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Commit f3dab7be authored by timour@mysql.com's avatar timour@mysql.com
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Merge of WL#1469 with latest bk sources.

parent eadcae3d
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Showing with 833 additions and 541 deletions
mysql-test/r/func_group.result
View file @ f3dab7be
......@@ -551,7 +551,7 @@ id select_type table type possible_keys key key_len ref rows Extra
explain
select min(a1) from t1 where a1 between a3 and 'KKK';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 14 Using where
1 SIMPLE t1 ALL PRIMARY NULL NULL NULL 14 Using where
explain
select min(a4) from t1 where (a4 + 0.01) between 0.07 and 0.08;
id select_type table type possible_keys key key_len ref rows Extra
......
mysql-test/r/select.result
View file @ f3dab7be
......@@ -2279,10 +2279,10 @@ a a a
2 2 2
3 3 3
select * from t1 natural join (t1 as t2 left join t1 as t3 using (a));
a a a
1 1 1
2 2 2
3 3 3
a a
1 1
2 2
3 3
select * from (t1 as t2 left join t1 as t3 using (a)) natural join t1;
a a a
1 1 1
......@@ -2321,3 +2321,23 @@ left join t4 on id3 = id4 where id2 = 1 or id4 = 1;
id1 id2 id3 id4 id44
1 1 NULL NULL NULL
drop table t1,t2,t3,t4;
create table t1(s varchar(10) not null);
create table t2(s varchar(10) not null primary key);
create table t3(s varchar(10) not null primary key);
insert into t1 values ('one\t'), ('two\t');
insert into t2 values ('one\r'), ('two\t');
insert into t3 values ('one '), ('two\t');
select * from t1 where s = 'one';
s
select * from t2 where s = 'one';
s
select * from t3 where s = 'one';
s
one
select * from t1,t2 where t1.s = t2.s;
s s
two two
select * from t2,t3 where t2.s = t3.s;
s s
two two
drop table t1, t2, t3;
mysql-test/r/subselect.result
View file @ f3dab7be
......@@ -6,7 +6,7 @@ explain extended select (select 2);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1248 Select 2 was reduced during optimisation
Note 1249 Select 2 was reduced during optimisation
Note 1003 select high_priority 2 AS `(select 2)`
SELECT (SELECT 1) UNION SELECT (SELECT 2);
(SELECT 1)
......@@ -17,8 +17,8 @@ id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used
3 UNION NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1248 Select 2 was reduced during optimisation
Note 1248 Select 4 was reduced during optimisation
Note 1249 Select 2 was reduced during optimisation
Note 1249 Select 4 was reduced during optimisation
Note 1003 select high_priority 1 AS `(SELECT 1)` union select 2 AS `(SELECT 2)`
SELECT (SELECT (SELECT 0 UNION SELECT 0));
(SELECT (SELECT 0 UNION SELECT 0))
......@@ -29,7 +29,7 @@ id select_type table type possible_keys key key_len ref rows Extra
3 SUBQUERY NULL NULL NULL NULL NULL NULL NULL No tables used
4 UNION NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1248 Select 2 was reduced during optimisation
Note 1249 Select 2 was reduced during optimisation
Note 1003 select high_priority (select 0 AS `0` union select 0 AS `0`) AS `(SELECT (SELECT 0 UNION SELECT 0))`
SELECT (SELECT 1 FROM (SELECT 1) as b HAVING a=1) as a;
ERROR 42S22: Reference 'a' not supported (forward reference in item list)
......@@ -46,8 +46,8 @@ id select_type table type possible_keys key key_len ref rows Extra
3 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL No tables used
2 DERIVED NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1275 Field or reference 'a' of SELECT #3 was resolved in SELECT #1
Note 1275 Field or reference 'b.a' of SELECT #3 was resolved in SELECT #1
Note 1276 Field or reference 'a' of SELECT #3 was resolved in SELECT #1
Note 1276 Field or reference 'b.a' of SELECT #3 was resolved in SELECT #1
Note 1003 select high_priority 1 AS `1` from (select 1 AS `a`) b having ((select b.a AS `a`) = 1)
SELECT 1 FROM (SELECT 1 as a) as b HAVING (SELECT a)=1;
1
......@@ -219,7 +219,7 @@ id select_type table type possible_keys key key_len ref rows Extra
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2
3 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 3 Using where
Warnings:
Note 1275 Field or reference 't4.a' of SELECT #3 was resolved in SELECT #1
Note 1276 Field or reference 't4.a' of SELECT #3 was resolved in SELECT #1
Note 1003 select high_priority test.t4.b AS `b`,(select avg((test.t2.a + (select min(test.t3.a) AS `min(t3.a)` from test.t3 where (test.t3.a >= test.t4.a)))) AS `avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a))` from test.t2) AS `(select avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a)) from t2)` from test.t4
select * from t3 where exists (select * from t2 where t2.b=t3.a);
a
......@@ -307,8 +307,8 @@ id select_type table type possible_keys key key_len ref rows Extra
2 DEPENDENT SUBQUERY t1 system NULL NULL NULL NULL 1
3 DEPENDENT UNION t5 ALL NULL NULL NULL NULL 2 Using where
Warnings:
Note 1275 Field or reference 't2.a' of SELECT #2 was resolved in SELECT #1
Note 1275 Field or reference 't2.a' of SELECT #3 was resolved in SELECT #1
Note 1276 Field or reference 't2.a' of SELECT #2 was resolved in SELECT #1
Note 1276 Field or reference 't2.a' of SELECT #3 was resolved in SELECT #1
Note 1003 select high_priority (select test.t1.a AS `a` from test.t1 where (test.t1.a = test.t2.a) union select test.t5.a AS `a` from test.t5 where (test.t5.a = test.t2.a)) AS `(select a from t1 where t1.a=t2.a union select a from t5 where t5.a=t2.a)`,test.t2.a AS `a` from test.t2
select (select a from t1 where t1.a=t2.a union all select a from t5 where t5.a=t2.a), a from t2;
ERROR 21000: Subquery returns more than 1 row
......@@ -326,7 +326,7 @@ id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t6 ALL NULL NULL NULL NULL 4 Using where
2 DEPENDENT SUBQUERY t7 eq_ref PRIMARY PRIMARY 4 test.t6.clinic_uq 1
Warnings:
Note 1275 Field or reference 'clinic_uq' of SELECT #2 was resolved in SELECT #1
Note 1276 Field or reference 'clinic_uq' of SELECT #2 was resolved in SELECT #1
Note 1003 select high_priority test.t6.patient_uq AS `patient_uq`,test.t6.clinic_uq AS `clinic_uq` from test.t6 where exists(select test.t7.uq AS `uq`,test.t7.name AS `name` from test.t7 where (test.t7.uq = test.t6.clinic_uq) limit 1)
select * from t1 where a= (select a from t2,t4 where t2.b=t4.b);
ERROR 23000: Column: 'a' in field list is ambiguous
......@@ -715,7 +715,7 @@ EXPLAIN EXTENDED SELECT * FROM t2 WHERE id IN (SELECT 1);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 ref id id 5 const 1 Using where; Using index
Warnings:
Note 1248 Select 2 was reduced during optimisation
Note 1249 Select 2 was reduced during optimisation
Note 1003 select high_priority test.t2.id AS `id` from test.t2 where (test.t2.id = 1)
SELECT * FROM t2 WHERE id IN (SELECT 1 UNION SELECT 3);
id
......@@ -727,8 +727,8 @@ EXPLAIN EXTENDED SELECT * FROM t2 WHERE id IN (SELECT 1+(select 1));
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 ref id id 5 const 1 Using where; Using index
Warnings:
Note 1248 Select 3 was reduced during optimisation
Note 1248 Select 2 was reduced during optimisation
Note 1249 Select 3 was reduced during optimisation
Note 1249 Select 2 was reduced during optimisation
Note 1003 select high_priority test.t2.id AS `id` from test.t2 where (test.t2.id = (1 + 1))
EXPLAIN EXTENDED SELECT * FROM t2 WHERE id IN (SELECT 1 UNION SELECT 3);
id select_type table type possible_keys key key_len ref rows Extra
......@@ -860,8 +860,8 @@ explain extended select (select a+1) from t1;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 3
Warnings:
Note 1275 Field or reference 'a' of SELECT #2 was resolved in SELECT #1
Note 1248 Select 2 was reduced during optimisation
Note 1276 Field or reference 'a' of SELECT #2 was resolved in SELECT #1
Note 1249 Select 2 was reduced during optimisation
Note 1003 select high_priority (test.t1.a + 1) AS `(select a+1)` from test.t1
select (select a+1) from t1;
(select a+1)
......@@ -978,7 +978,7 @@ ERROR 42S02: Table 'test.t1' doesn't exist
CREATE TABLE t1 (a int, KEY(a));
HANDLER t1 OPEN;
HANDLER t1 READ a=((SELECT 1));
ERROR 42000: You have an error in your SQL syntax. Check the manual that corresponds to your MySQL server version for the right syntax to use
ERROR 42000: You have an error in your SQL syntax. Check the manual that corresponds to your MySQL server version for the right syntax to use near 'SELECT 1))' at line 1
HANDLER t1 CLOSE;
drop table t1;
create table t1 (a int);
......@@ -1049,12 +1049,12 @@ UNIQUE KEY `maxnumrep` (`maxnumrep`)
) ENGINE=MyISAM CHARSET=latin1;
INSERT INTO t1 VALUES ('joce','1','','joce'),('test','2','','test');
Warnings:
Warning 1264 Data truncated for column 'date' at row 1
Warning 1264 Data truncated for column 'date' at row 2
Warning 1265 Data truncated for column 'date' at row 1
Warning 1265 Data truncated for column 'date' at row 2
INSERT INTO t2 VALUES ('joce','1','','joce'),('test','2','','test');
Warnings:
Warning 1264 Data truncated for column 'date' at row 1
Warning 1264 Data truncated for column 'date' at row 2
Warning 1265 Data truncated for column 'date' at row 1
Warning 1265 Data truncated for column 'date' at row 2
INSERT INTO t3 VALUES (1,1);
SELECT DISTINCT topic FROM t2 WHERE NOT EXISTS(SELECT * FROM t3 WHERE
numeropost=topic);
......@@ -1168,9 +1168,9 @@ SELECT 0 IN (SELECT 1 FROM t1 a);
EXPLAIN EXTENDED SELECT 0 IN (SELECT 1 FROM t1 a);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
Warnings:
Note 1003 select high_priority <in_optimizer>(0,<exists>(select 1 AS `Not_used` from test.t1 a where isnull(1) having <is_not_null_test>(1) limit 1)) AS `0 IN (SELECT 1 FROM t1 a)`
Note 1003 select high_priority <in_optimizer>(0,<exists>(select 1 AS `Not_used` from test.t1 a limit 1)) AS `0 IN (SELECT 1 FROM t1 a)`
INSERT INTO t1 (pseudo) VALUES ('test1');
SELECT 0 IN (SELECT 1 FROM t1 a);
0 IN (SELECT 1 FROM t1 a)
......@@ -1178,9 +1178,9 @@ SELECT 0 IN (SELECT 1 FROM t1 a);
EXPLAIN EXTENDED SELECT 0 IN (SELECT 1 FROM t1 a);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
Warnings:
Note 1003 select high_priority <in_optimizer>(0,<exists>(select 1 AS `Not_used` from test.t1 a where isnull(1) having <is_not_null_test>(1) limit 1)) AS `0 IN (SELECT 1 FROM t1 a)`
Note 1003 select high_priority <in_optimizer>(0,<exists>(select 1 AS `Not_used` from test.t1 a limit 1)) AS `0 IN (SELECT 1 FROM t1 a)`
drop table t1;
CREATE TABLE `t1` (
`i` int(11) NOT NULL default '0',
......@@ -1246,7 +1246,7 @@ insert into t1 values (1,0), (2,0), (3,0);
insert into t2 values (1,1), (2,1), (3,1), (2,2);
update ignore t1 set b=(select b from t2 where t1.a=t2.a);
Warnings:
Error 1241 Subquery returns more than 1 row
Error 1242 Subquery returns more than 1 row
select * from t1;
a b
1 1
......@@ -1577,6 +1577,16 @@ INSERT INTO t2 VALUES (100, 200, 'C');
SELECT DISTINCT COLC FROM t1 WHERE COLA = (SELECT COLA FROM t2 WHERE COLB = 200 AND COLC ='C' LIMIT 1);
COLC
DROP TABLE t1, t2;
CREATE TABLE t1 (a int(1));
INSERT INTO t1 VALUES (1),(1),(1),(1),(1),(2),(3),(4),(5);
SELECT DISTINCT (SELECT a) FROM t1 LIMIT 100;
(SELECT a)
1
2
3
4
5
DROP TABLE t1;
create table t1 (a int, b decimal(13, 3));
insert into t1 values (1, 0.123);
select a, (select max(b) from t1) into outfile "subselect.out.file.1" from t1;
......@@ -1611,3 +1621,97 @@ id max_anno_dep PIPPO
50 1990 0
51 1990 NULL
DROP TABLE t1, t2;
create table t1 (a int);
insert into t1 values (1), (2), (3);
SET SQL_SELECT_LIMIT=1;
select sum(a) from (select * from t1) as a;
sum(a)
6
select 2 in (select * from t1);
2 in (select * from t1)
1
SET SQL_SELECT_LIMIT=default;
drop table t1;
CREATE TABLE t1 (a int, b int, INDEX (a));
INSERT INTO t1 VALUES (1, 1), (1, 2), (1, 3);
SELECT * FROM t1 WHERE a = (SELECT MAX(a) FROM t1 WHERE a = 1) ORDER BY b;
a b
1 1
1 2
1 3
DROP TABLE t1;
create table t1(val varchar(10));
insert into t1 values ('aaa'), ('bbb'),('eee'),('mmm'),('ppp');
select count(*) from t1 as w1 where w1.val in (select w2.val from t1 as w2 where w2.val like 'm%') and w1.val in (select w3.val from t1 as w3 where w3.val like 'e%');
count(*)
0
drop table t1;
create table t1 (id int not null, text varchar(20) not null default '', primary key (id));
insert into t1 (id, text) values (1, 'text1'), (2, 'text2'), (3, 'text3'), (4, 'text4'), (5, 'text5'), (6, 'text6'), (7, 'text7'), (8, 'text8'), (9, 'text9'), (10, 'text10'), (11, 'text11'), (12, 'text12');
select * from t1 where id not in (select id from t1 where id < 8);
id text
8 text8
9 text9
10 text10
11 text11
12 text12
select * from t1 as tt where not exists (select id from t1 where id < 8 and (id = tt.id or id is null) having id is not null);
id text
8 text8
9 text9
10 text10
11 text11
12 text12
explain extended select * from t1 where id not in (select id from t1 where id < 8);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 12 Using where
2 DEPENDENT SUBQUERY t1 unique_subquery PRIMARY PRIMARY 4 func 1 Using index; Using where
Warnings:
Note 1003 select high_priority test.t1.id AS `id`,test.t1.text AS `text` from test.t1 where not(<in_optimizer>(test.t1.id,<exists>(<primary_index_lookup>(<cache>(test.t1.id) in t1 on PRIMARY where (test.t1.id < 8)))))
explain extended select * from t1 as tt where not exists (select id from t1 where id < 8 and (id = tt.id or id is null) having id is not null);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY tt ALL NULL NULL NULL NULL 12 Using where
2 DEPENDENT SUBQUERY t1 eq_ref PRIMARY PRIMARY 4 test.tt.id 7 Using where; Using index
Warnings:
Note 1276 Field or reference 'tt.id' of SELECT #2 was resolved in SELECT #1
Note 1003 select high_priority test.tt.id AS `id`,test.tt.text AS `text` from test.t1 tt where not(exists(select test.t1.id AS `id` from test.t1 where ((test.t1.id < 8) and ((test.t1.id = test.tt.id) or isnull(test.t1.id))) having (test.t1.id is not null) limit 1))
insert into t1 (id, text) values (1000, 'text1000'), (1001, 'text1001');
create table t2 (id int not null, text varchar(20) not null default '', primary key (id));
insert into t2 (id, text) values (1, 'text1'), (2, 'text2'), (3, 'text3'), (4, 'text4'), (5, 'text5'), (6, 'text6'), (7, 'text7'), (8, 'text8'), (9, 'text9'), (10, 'text10'), (11, 'text1'), (12, 'text2'), (13, 'text3'), (14, 'text4'), (15, 'text5'), (16, 'text6'), (17, 'text7'), (18, 'text8'), (19, 'text9'), (20, 'text10'),(21, 'text1'), (22, 'text2'), (23, 'text3'), (24, 'text4'), (25, 'text5'), (26, 'text6'), (27, 'text7'), (28, 'text8'), (29, 'text9'), (30, 'text10'), (31, 'text1'), (32, 'text2'), (33, 'text3'), (34, 'text4'), (35, 'text5'), (36, 'text6'), (37, 'text7'), (38, 'text8'), (39, 'text9'), (40, 'text10'), (41, 'text1'), (42, 'text2'), (43, 'text3'), (44, 'text4'), (45, 'text5'), (46, 'text6'), (47, 'text7'), (48, 'text8'), (49, 'text9'), (50, 'text10');
select * from t1 a left join t2 b on (a.id=b.id or b.id is null) join t1 c on (if(isnull(b.id), 1000, b.id)=c.id);
id text id text id text
1 text1 1 text1 1 text1
2 text2 2 text2 2 text2
3 text3 3 text3 3 text3
4 text4 4 text4 4 text4
5 text5 5 text5 5 text5
6 text6 6 text6 6 text6
7 text7 7 text7 7 text7
8 text8 8 text8 8 text8
9 text9 9 text9 9 text9
10 text10 10 text10 10 text10
11 text11 11 text1 11 text11
12 text12 12 text2 12 text12
1000 text1000 NULL NULL 1000 text1000
1001 text1001 NULL NULL 1000 text1000
explain extended select * from t1 a left join t2 b on (a.id=b.id or b.id is null) join t1 c on (if(isnull(b.id), 1000, b.id)=c.id);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE a ALL NULL NULL NULL NULL 14
1 SIMPLE b eq_ref PRIMARY PRIMARY 4 test.a.id 2
1 SIMPLE c eq_ref PRIMARY PRIMARY 4 func 1 Using where
Warnings:
Note 1003 select high_priority test.a.id AS `id`,test.a.text AS `text`,test.b.id AS `id`,test.b.text AS `text`,test.c.id AS `id`,test.c.text AS `text` from test.t1 a left join test.t2 b on(((test.a.id = test.b.id) or isnull(test.b.id))) join test.t1 c where (if(isnull(test.b.id),1000,test.b.id) = test.c.id)
drop table t1,t2;
create table t1 (a int);
insert into t1 values (1);
explain select benchmark(1000, (select a from t1 where a=sha(rand())));
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used
2 UNCACHEABLE SUBQUERY t1 system NULL NULL NULL NULL 1
drop table t1;
create table t1(id int);
create table t2(id int);
create table t3(flag int);
select (select * from t3 where id not null) from t1, t2;
ERROR 42000: You have an error in your SQL syntax. Check the manual that corresponds to your MySQL server version for the right syntax to use near 'null) from t1, t2' at line 1
drop table t1,t2,t3;
sql/mysql_priv.h
View file @ f3dab7be
......@@ -73,14 +73,6 @@ char* query_table_status(THD *thd,const char *db,const char *table_name);
#define PREV_BITS(type,A) ((type) (((type) 1 << (A)) -1))
#define all_bits_set(A,B) ((A) & (B) != (B))
#ifndef LL
#ifdef HAVE_LONG_LONG
#define LL(A) A ## LL
#else
#define LL(A) A ## L
#endif
#endif
extern CHARSET_INFO *system_charset_info, *files_charset_info ;
extern CHARSET_INFO *national_charset_info, *table_alias_charset;
......@@ -164,6 +156,9 @@ extern CHARSET_INFO *national_charset_info, *table_alias_charset;
/* Time handling defaults */
#define TIMESTAMP_MAX_YEAR 2038
#define YY_PART_YEAR 70
#define TIMESTAMP_MIN_YEAR (1900 + YY_PART_YEAR - 1)
#define TIMESTAMP_MAX_VALUE 2145916799
#define TIMESTAMP_MIN_VALUE 1
#define PRECISION_FOR_DOUBLE 53
#define PRECISION_FOR_FLOAT 24
......@@ -205,7 +200,8 @@ extern CHARSET_INFO *national_charset_info, *table_alias_charset;
#define TEST_CORE_ON_SIGNAL 256 /* Give core if signal */
#define TEST_NO_STACKTRACE 512
#define TEST_SIGINT 1024 /* Allow sigint on threads */
#define TEST_SYNCHRONIZATION 2048 /* get server to do sleep in some
places */
#endif
/*
......@@ -255,9 +251,6 @@ extern CHARSET_INFO *national_charset_info, *table_alias_charset;
/* The rest of the file is included in the server only */
#ifndef MYSQL_CLIENT
/* options for UNION set by the yacc parser (stored in unit->union_option) */
#define UNION_ALL 1
/* Bits for different SQL modes modes (including ANSI mode) */
#define MODE_REAL_AS_FLOAT 1
#define MODE_PIPES_AS_CONCAT 2
......@@ -333,6 +326,7 @@ void debug_sync_point(const char* lock_name, uint lock_timeout);
struct st_table;
class THD;
class Statement;
/* Struct to handle simple linked lists */
......@@ -387,6 +381,11 @@ inline THD *_current_thd(void)
#include "sql_udf.h"
#include "item.h"
typedef Comp_creator* (*chooser_compare_func_creator)(bool invert);
/* sql_parse.cc */
void free_items(Item *item);
void cleanup_items(Item *item);
class THD;
void close_thread_tables(THD *thd, bool locked=0, bool skip_derived=0);
#include "sql_class.h"
#include "opt_range.h"
......@@ -447,8 +446,8 @@ int quick_rm_table(enum db_type base,const char *db,
bool mysql_rename_tables(THD *thd, TABLE_LIST *table_list);
bool mysql_change_db(THD *thd,const char *name);
void mysql_parse(THD *thd,char *inBuf,uint length);
bool mysql_test_parse_for_slave(THD *thd,char *inBuf,uint length);
bool is_update_query(enum enum_sql_command command);
void free_items(Item *item);
bool alloc_query(THD *thd, char *packet, ulong packet_length);
void mysql_init_select(LEX *lex);
void mysql_init_query(THD *thd, bool lexonly=0);
......@@ -467,13 +466,8 @@ bool do_command(THD *thd);
bool dispatch_command(enum enum_server_command command, THD *thd,
char* packet, uint packet_length);
bool check_dup(const char *db, const char *name, TABLE_LIST *tables);
#ifndef EMBEDDED_LIBRARY
bool check_stack_overrun(THD *thd,char *dummy);
#else
#define check_stack_overrun(A, B) 0
#endif
void table_cache_init(void);
bool table_cache_init(void);
void table_cache_free(void);
uint cached_tables(void);
void kill_mysql(void);
......@@ -577,7 +571,6 @@ int mysql_multi_update(THD *thd, TABLE_LIST *table_list,
int mysql_insert(THD *thd,TABLE_LIST *table,List<Item> &fields,
List<List_item> &values, List<Item> &update_fields,
List<Item> &update_values, enum_duplicates flag);
void kill_delayed_threads(void);
int mysql_delete(THD *thd, TABLE_LIST *table, COND *conds, SQL_LIST *order,
ha_rows rows, ulong options);
int mysql_truncate(THD *thd, TABLE_LIST *table_list, bool dont_send_ok=0);
......@@ -601,7 +594,8 @@ extern const Field *not_found_field;
Field *find_field_in_tables(THD *thd, Item_ident *item, TABLE_LIST *tables,
TABLE_LIST **where, bool report_error);
Field *find_field_in_table(THD *thd,TABLE *table,const char *name,uint length,
bool check_grant,bool allow_rowid);
bool check_grant,bool allow_rowid,
uint *cached_field_index_ptr);
#ifdef HAVE_OPENSSL
#include <openssl/des.h>
struct st_des_keyblock
......@@ -653,14 +647,13 @@ int mysqld_show_column_types(THD *thd);
int mysqld_help (THD *thd, const char *text);
/* sql_prepare.cc */
bool mysql_stmt_prepare(THD *thd, char *packet, uint packet_length);
void mysql_stmt_execute(THD *thd, char *packet);
void mysql_stmt_prepare(THD *thd, char *packet, uint packet_length);
void mysql_stmt_execute(THD *thd, char *packet, uint packet_length);
void mysql_stmt_free(THD *thd, char *packet);
void mysql_stmt_reset(THD *thd, char *packet);
void mysql_stmt_get_longdata(THD *thd, char *pos, ulong packet_length);
int check_insert_fields(THD *thd,TABLE *table,List<Item> &fields,
List<Item> &values, ulong counter);
void setup_param_functions(Item_param *param, uchar param_type);
/* sql_error.cc */
MYSQL_ERROR *push_warning(THD *thd, MYSQL_ERROR::enum_warning_level level, uint code,
......@@ -682,7 +675,7 @@ void set_item_name(Item *item,char *pos,uint length);
bool add_field_to_list(THD *thd, char *field_name, enum enum_field_types type,
char *length, char *decimal,
uint type_modifier,
Item *default_value,
Item *default_value, Item *on_update_value,
LEX_STRING *comment,
char *change, TYPELIB *interval,CHARSET_INFO *cs,
uint uint_geom_type);
......@@ -705,7 +698,7 @@ bool get_key_map_from_key_list(key_map *map, TABLE *table,
bool insert_fields(THD *thd,TABLE_LIST *tables,
const char *db_name, const char *table_name,
List_iterator<Item> *it);
bool setup_tables(TABLE_LIST *tables, my_bool reinit);
bool setup_tables(TABLE_LIST *tables);
int setup_wild(THD *thd, TABLE_LIST *tables, List<Item> &fields,
List<Item> *sum_func_list, uint wild_num);
int setup_fields(THD *thd, Item** ref_pointer_array, TABLE_LIST *tables,
......@@ -725,7 +718,6 @@ bool rm_temporary_table(enum db_type base, char *path);
void free_io_cache(TABLE *entry);
void intern_close_table(TABLE *entry);
bool close_thread_table(THD *thd, TABLE **table_ptr);
void close_thread_tables(THD *thd, bool locked=0, bool skip_derived=0);
void close_temporary_tables(THD *thd);
TABLE_LIST * find_table_in_list(TABLE_LIST *table,
const char *db_name, const char *table_name);
......@@ -796,6 +788,9 @@ bool open_log(MYSQL_LOG *log, const char *hostname,
/* mysqld.cc */
extern void yyerror(const char*);
/* item_func.cc */
extern bool check_reserved_words(LEX_STRING *name);
/* strfunc.cc */
ulonglong find_set(TYPELIB *typelib,const char *x, uint length,
char **err_pos, uint *err_len, bool *set_warning);
......@@ -805,9 +800,6 @@ uint check_word(TYPELIB *lib, const char *val, const char *end,
bool is_keyword(const char *name, uint len);
/* sql_parse.cc */
void free_items(Item *item);
void cleanup_items(Item *item);
#define MY_DB_OPT_FILE "db.opt"
bool load_db_opt(THD *thd, const char *path, HA_CREATE_INFO *create);
......@@ -818,7 +810,8 @@ bool load_db_opt(THD *thd, const char *path, HA_CREATE_INFO *create);
extern time_t start_time;
extern char *mysql_data_home,server_version[SERVER_VERSION_LENGTH],
mysql_real_data_home[], *opt_mysql_tmpdir, mysql_charsets_dir[];
mysql_real_data_home[], *opt_mysql_tmpdir, mysql_charsets_dir[],
opt_ft_boolean_syntax[sizeof(ft_boolean_syntax)];
#define mysql_tmpdir (my_tmpdir(&mysql_tmpdir_list))
extern MY_TMPDIR mysql_tmpdir_list;
extern const char *command_name[];
......@@ -837,11 +830,13 @@ extern char language[LIBLEN],reg_ext[FN_EXTLEN];
extern char glob_hostname[FN_REFLEN], mysql_home[FN_REFLEN];
extern char pidfile_name[FN_REFLEN], time_zone[30], *opt_init_file;
extern char log_error_file[FN_REFLEN];
extern double log_10[32];
extern double last_query_cost;
extern double log_10[32];
extern ulonglong log_10_int[20];
extern ulonglong keybuff_size;
extern ulong refresh_version,flush_version, thread_id,query_id,opened_tables;
extern ulong created_tmp_tables, created_tmp_disk_tables;
extern ulong created_tmp_tables, created_tmp_disk_tables, bytes_sent;
extern ulong binlog_cache_use, binlog_cache_disk_use;
extern ulong aborted_threads,aborted_connects;
extern ulong delayed_insert_timeout;
extern ulong delayed_insert_limit, delayed_queue_size;
......@@ -862,7 +857,7 @@ extern ulong ha_read_rnd_count, ha_read_rnd_next_count;
extern ulong ha_commit_count, ha_rollback_count,table_cache_size;
extern ulong max_connections,max_connect_errors, connect_timeout;
extern ulong slave_net_timeout;
extern ulong max_insert_delayed_threads, max_user_connections;
extern ulong max_user_connections;
extern ulong long_query_count, what_to_log,flush_time;
extern ulong query_buff_size, thread_stack,thread_stack_min;
extern ulong binlog_cache_size, max_binlog_cache_size, open_files_limit;
......@@ -874,7 +869,7 @@ extern ulong expire_logs_days;
extern my_bool relay_log_purge;
extern uint test_flags,select_errors,ha_open_options;
extern uint protocol_version, mysqld_port, dropping_tables;
extern uint delay_key_write_options;
extern uint delay_key_write_options, lower_case_table_names;
extern bool opt_endinfo, using_udf_functions, locked_in_memory;
extern bool opt_using_transactions, mysql_embedded;
extern bool using_update_log, opt_large_files;
......@@ -883,10 +878,10 @@ extern bool opt_disable_networking, opt_skip_show_db;
extern bool volatile abort_loop, shutdown_in_progress, grant_option;
extern uint volatile thread_count, thread_running, global_read_lock;
extern my_bool opt_sql_bin_update, opt_safe_user_create, opt_no_mix_types;
extern my_bool opt_safe_show_db, opt_local_infile, lower_case_table_names;
extern my_bool opt_safe_show_db, opt_local_infile;
extern my_bool opt_slave_compressed_protocol, use_temp_pool;
extern my_bool opt_readonly;
extern my_bool opt_enable_named_pipe;
extern my_bool opt_readonly, lower_case_file_system;
extern my_bool opt_enable_named_pipe, opt_sync_frm;
extern my_bool opt_secure_auth;
extern char *shared_memory_base_name, *mysqld_unix_port;
extern bool opt_enable_shared_memory;
......@@ -896,7 +891,7 @@ extern FILE *bootstrap_file;
extern pthread_key(MEM_ROOT*,THR_MALLOC);
extern pthread_mutex_t LOCK_mysql_create_db,LOCK_Acl,LOCK_open,
LOCK_thread_count,LOCK_mapped_file,LOCK_user_locks, LOCK_status,
LOCK_error_log, LOCK_delayed_insert,
LOCK_error_log, LOCK_delayed_insert, LOCK_uuid_generator,
LOCK_delayed_status, LOCK_delayed_create, LOCK_crypt, LOCK_timezone,
LOCK_slave_list, LOCK_active_mi, LOCK_manager,
LOCK_global_system_variables, LOCK_user_conn;
......@@ -998,6 +993,8 @@ timestamp_type str_to_TIME(const char *str, uint length, TIME *l_time,
void localtime_to_TIME(TIME *to, struct tm *from);
void calc_time_from_sec(TIME *to, long seconds, long microseconds);
void make_truncated_value_warning(THD *thd, const char *str_val,
uint str_length, timestamp_type time_type);
extern DATE_TIME_FORMAT *date_time_format_make(timestamp_type format_type,
const char *format_str,
uint format_length);
......@@ -1013,11 +1010,6 @@ void make_datetime(DATE_TIME_FORMAT *format, TIME *l_time, String *str);
int test_if_number(char *str,int *res,bool allow_wildcards);
void change_byte(byte *,uint,char,char);
#ifndef EMBEDDED_LIBRARY
extern "C" void unireg_abort(int exit_code);
#else
#define unireg_abort(exit_code) DBUG_RETURN(exit_code)
#endif
void init_read_record(READ_RECORD *info, THD *thd, TABLE *reg_form,
SQL_SELECT *select,
int use_record_cache, bool print_errors);
......@@ -1119,6 +1111,19 @@ inline void table_case_convert(char * name, uint length)
my_casedn(files_charset_info, name, length);
}
inline const char *table_case_name(HA_CREATE_INFO *info, const char *name)
{
return ((lower_case_table_names == 2 && info->alias) ? info->alias : name);
}
inline ulong sql_rnd_with_mutex()
{
pthread_mutex_lock(&LOCK_thread_count);
ulong tmp=(ulong) (my_rnd(&sql_rand) * 0xffffffff); /* make all bits random */
pthread_mutex_unlock(&LOCK_thread_count);
return tmp;
}
Comp_creator *comp_eq_creator(bool invert);
Comp_creator *comp_ge_creator(bool invert);
Comp_creator *comp_gt_creator(bool invert);
......@@ -1154,13 +1159,20 @@ inline void setup_table_map(TABLE *table, TABLE_LIST *table_list, uint tablenr)
table->force_index= table_list->force_index;
}
typedef struct st_sym_group {
const char *name;
const char *needed_define;
} SYM_GROUP;
extern SYM_GROUP sym_group_common;
extern SYM_GROUP sym_group_geom;
extern SYM_GROUP sym_group_rtree;
/*
Some functions that are different in the embedded library and the normal
server
*/
#ifndef EMBEDDED_LIBRARY
extern "C" void unireg_abort(int exit_code);
void kill_delayed_threads(void);
bool check_stack_overrun(THD *thd,char *dummy);
#else
#define unireg_abort(exit_code) DBUG_RETURN(exit_code)
inline void kill_delayed_threads(void) {}
#define check_stack_overrun(A, B) 0
#endif
#endif /* MYSQL_CLIENT */
sql/mysqld.cc
View file @ f3dab7be
......@@ -152,7 +152,7 @@ int initgroups(const char *,unsigned int);
typedef fp_except fp_except_t;
#endif
/* We can't handle floating point expections with threads, so disable
/* We can't handle floating point exceptions with threads, so disable
this on freebsd
*/
......@@ -186,15 +186,11 @@ inline void reset_floating_point_exceptions()
#else
#include <my_pthread.h> // For thr_setconcurency()
#endif
#if defined(HAVE_GETRLIMIT) && defined(RLIMIT_NOFILE) && !defined(HAVE_mit_thread)
#define SET_RLIMIT_NOFILE
#endif
#ifdef SOLARIS
extern "C" int gethostname(char *name, int namelen);
#endif
/* Set prefix for windows binary */
#ifdef __WIN__
#undef MYSQL_SERVER_SUFFIX
......@@ -254,6 +250,7 @@ arg_cmp_func Arg_comparator::comparator_matrix[4][2] =
bool opt_log, opt_update_log, opt_bin_log, opt_slow_log;
bool opt_error_log= IF_WIN(1,0);
bool opt_disable_networking=0, opt_skip_show_db=0;
bool lower_case_table_names_used= 0;
bool server_id_supplied = 0;
bool opt_endinfo,using_udf_functions, locked_in_memory;
bool opt_using_transactions, using_update_log;
......@@ -265,18 +262,20 @@ my_bool opt_reckless_slave = 0;
my_bool opt_enable_named_pipe= 0, opt_debugging= 0;
my_bool opt_local_infile, opt_external_locking, opt_slave_compressed_protocol;
my_bool opt_safe_user_create = 0, opt_no_mix_types = 0;
my_bool lower_case_table_names, opt_old_rpl_compat;
my_bool opt_show_slave_auth_info, opt_sql_bin_update = 0;
my_bool opt_log_slave_updates= 0;
my_bool opt_console= 0, opt_bdb, opt_innodb, opt_isam;
my_bool opt_readonly, use_temp_pool, relay_log_purge;
my_bool opt_sync_bdb_logs, opt_sync_frm;
my_bool opt_secure_auth= 0;
my_bool opt_short_log_format= 0;
my_bool opt_log_queries_not_using_indexes= 0;
my_bool lower_case_file_system= 0;
volatile bool mqh_used = 0;
uint mysqld_port, test_flags, select_errors, dropping_tables, ha_open_options;
uint delay_key_write_options, protocol_version;
uint lower_case_table_names;
uint volatile thread_count, thread_running, kill_cached_threads, wake_thread;
ulong back_log, connect_timeout, concurrency;
......@@ -301,7 +300,8 @@ ulong select_range_check_count, select_range_count, select_scan_count;
ulong select_full_range_join_count,select_full_join_count;
ulong specialflag=0,opened_tables=0,created_tmp_tables=0,
created_tmp_disk_tables=0;
ulong max_connections,max_insert_delayed_threads,max_used_connections,
ulong binlog_cache_use= 0, binlog_cache_disk_use= 0;
ulong max_connections,max_used_connections,
max_connect_errors, max_user_connections = 0;
ulong thread_id=1L,current_pid;
ulong slow_launch_threads = 0;
......@@ -309,9 +309,17 @@ ulong expire_logs_days = 0;
ulong rpl_recovery_rank=0;
ulong my_bind_addr; /* the address we bind to */
volatile ulong cached_thread_count= 0;
double last_query_cost= -1; /* -1 denotes that no query was compiled yet */
double log_10[32]; /* 10 potences */
double last_query_cost= -1; /* -1 denotes that no query was compiled yet */
ulonglong log_10_int[20]=
{
1, 10, 100, 1000, 10000UL, 100000UL, 1000000UL, 10000000UL,
ULL(100000000), ULL(1000000000), ULL(10000000000), ULL(100000000000),
ULL(1000000000000), ULL(10000000000000), ULL(100000000000000),
ULL(1000000000000000), ULL(10000000000000000), ULL(100000000000000000),
ULL(1000000000000000000), ULL(10000000000000000000)
};
time_t start_time;
......@@ -321,7 +329,8 @@ char* log_error_file_ptr= log_error_file;
char mysql_real_data_home[FN_REFLEN],
language[LIBLEN],reg_ext[FN_EXTLEN], mysql_charsets_dir[FN_REFLEN],
max_sort_char,*mysqld_user,*mysqld_chroot, *opt_init_file,
*opt_init_connect, *opt_init_slave;
*opt_init_connect, *opt_init_slave,
opt_ft_boolean_syntax[sizeof(ft_boolean_syntax)];
const char *opt_date_time_formats[3];
......@@ -375,7 +384,7 @@ pthread_key(MEM_ROOT*,THR_MALLOC);
pthread_key(THD*, THR_THD);
pthread_mutex_t LOCK_mysql_create_db, LOCK_Acl, LOCK_open, LOCK_thread_count,
LOCK_mapped_file, LOCK_status,
LOCK_error_log,
LOCK_error_log, LOCK_uuid_generator,
LOCK_delayed_insert, LOCK_delayed_status, LOCK_delayed_create,
LOCK_crypt, LOCK_bytes_sent, LOCK_bytes_received,
LOCK_global_system_variables,
......@@ -435,7 +444,7 @@ static NTService Service; // Service object for WinNT
#endif /* __WIN__ */
#ifdef __NT__
static char szPipeName [ 257 ];
static char pipe_name[512];
static SECURITY_ATTRIBUTES saPipeSecurity;
static SECURITY_DESCRIPTOR sdPipeDescriptor;
static HANDLE hPipe = INVALID_HANDLE_VALUE;
......@@ -495,9 +504,6 @@ extern "C" pthread_handler_decl(handle_connections_namedpipes,arg);
static pthread_handler_decl(handle_connections_shared_memory,arg);
#endif
extern "C" pthread_handler_decl(handle_slave,arg);
#ifdef SET_RLIMIT_NOFILE
static uint set_maximum_open_files(uint max_file_limit);
#endif
static ulong find_bit_type(const char *x, TYPELIB *bit_lib);
static void clean_up(bool print_message);
static void clean_up_mutexes(void);
......@@ -581,7 +587,7 @@ static void close_connections(void)
DBUG_PRINT( "quit", ("Closing named pipes") );
/* Create connection to the handle named pipe handler to break the loop */
if ((temp = CreateFile(szPipeName,
if ((temp = CreateFile(pipe_name,
GENERIC_READ | GENERIC_WRITE,
0,
NULL,
......@@ -589,7 +595,7 @@ static void close_connections(void)
0,
NULL )) != INVALID_HANDLE_VALUE)
{
WaitNamedPipe(szPipeName, 1000);
WaitNamedPipe(pipe_name, 1000);
DWORD dwMode = PIPE_READMODE_BYTE | PIPE_WAIT;
SetNamedPipeHandleState(temp, &dwMode, NULL, NULL);
CancelIo(temp);
......@@ -922,6 +928,7 @@ void clean_up(bool print_message)
#ifdef USE_RAID
end_raid();
#endif
my_free_open_file_info();
my_free((char*) global_system_variables.date_format,
MYF(MY_ALLOW_ZERO_PTR));
my_free((char*) global_system_variables.time_format,
......@@ -1057,8 +1064,8 @@ static void set_user(const char *user)
{
/* Don't give a warning, if real user is same as given with --user */
struct passwd *user_info= getpwnam(user);
if (!user_info || user_id != user_info->pw_uid)
if ((!user_info || user_id != user_info->pw_uid) &&
global_system_variables.log_warnings)
fprintf(stderr,
"Warning: One can only use the --user switch if running as root\n");
}
......@@ -1192,11 +1199,14 @@ static void server_init(void)
if (Service.IsNT() && mysqld_unix_port[0] && !opt_bootstrap &&
opt_enable_named_pipe)
{
sprintf(szPipeName, "\\\\.\\pipe\\%s", mysqld_unix_port );
ZeroMemory( &saPipeSecurity, sizeof(saPipeSecurity) );
ZeroMemory( &sdPipeDescriptor, sizeof(sdPipeDescriptor) );
if ( !InitializeSecurityDescriptor(&sdPipeDescriptor,
SECURITY_DESCRIPTOR_REVISION) )
pipe_name[sizeof(pipe_name)-1]= 0; /* Safety if too long string */
strxnmov(pipe_name, sizeof(pipe_name)-1, "\\\\.\\pipe\\",
mysqld_unix_port, NullS);
bzero((char*) &saPipeSecurity, sizeof(saPipeSecurity));
bzero((char*) &sdPipeDescriptor, sizeof(sdPipeDescriptor));
if (!InitializeSecurityDescriptor(&sdPipeDescriptor,
SECURITY_DESCRIPTOR_REVISION))
{
sql_perror("Can't start server : Initialize security descriptor");
unireg_abort(1);
......@@ -1209,7 +1219,7 @@ static void server_init(void)
saPipeSecurity.nLength = sizeof( SECURITY_ATTRIBUTES );
saPipeSecurity.lpSecurityDescriptor = &sdPipeDescriptor;
saPipeSecurity.bInheritHandle = FALSE;
if ((hPipe = CreateNamedPipe(szPipeName,
if ((hPipe= CreateNamedPipe(pipe_name,
PIPE_ACCESS_DUPLEX,
PIPE_TYPE_BYTE |
PIPE_READMODE_BYTE |
......@@ -1218,7 +1228,7 @@ static void server_init(void)
(int) global_system_variables.net_buffer_length,
(int) global_system_variables.net_buffer_length,
NMPWAIT_USE_DEFAULT_WAIT,
&saPipeSecurity )) == INVALID_HANDLE_VALUE)
&saPipeSecurity)) == INVALID_HANDLE_VALUE)
{
LPVOID lpMsgBuf;
int error=GetLastError();
......@@ -1716,7 +1726,7 @@ static void start_signal_handler(void)
(void) pthread_attr_setdetachstate(&thr_attr,PTHREAD_CREATE_DETACHED);
if (!(opt_specialflag & SPECIAL_NO_PRIOR))
my_pthread_attr_setprio(&thr_attr,INTERRUPT_PRIOR);
pthread_attr_setstacksize(&thr_attr, 129*1024);
pthread_attr_setstacksize(&thr_attr,thread_stack);
#endif
(void) pthread_mutex_lock(&LOCK_thread_count);
......@@ -1750,7 +1760,8 @@ extern "C" void *signal_hand(void *arg __attribute__((unused)))
This should actually be '+ max_number_of_slaves' instead of +10,
but the +10 should be quite safe.
*/
init_thr_alarm(max_connections+max_insert_delayed_threads+10);
init_thr_alarm(max_connections +
global_system_variables.max_insert_delayed_threads + 10);
#if SIGINT != THR_KILL_SIGNAL
if (test_flags & TEST_SIGINT)
{
......@@ -2101,10 +2112,11 @@ static int init_common_variables(const char *conf_file_name, int argc,
strmov(fn_ext(pidfile_name),".pid"); // Add proper extension
#ifndef DBUG_OFF
strxmov(strend(server_version),MYSQL_SERVER_SUFFIX,"-debug",NullS);
#else
strmov(strend(server_version),MYSQL_SERVER_SUFFIX);
if (!*(MYSQL_SERVER_SUFFIX))
strmov(strend(server_version),"-debug");
else
#endif
strmov(strend(server_version),MYSQL_SERVER_SUFFIX);
load_defaults(conf_file_name, groups, &argc, &argv);
defaults_argv=argv;
......@@ -2114,28 +2126,33 @@ static int init_common_variables(const char *conf_file_name, int argc,
DBUG_PRINT("info",("%s Ver %s for %s on %s\n",my_progname,
server_version, SYSTEM_TYPE,MACHINE_TYPE));
#if defined( SET_RLIMIT_NOFILE) || defined( OS2)
/* connections and databases needs lots of files */
{
uint wanted_files=10+(uint) max(max_connections*5,
uint files, wanted_files;
wanted_files= 10+(uint) max(max_connections*5,
max_connections+table_cache_size*2);
set_if_bigger(wanted_files, open_files_limit);
// Note that some system returns 0 if we succeed here:
uint files=set_maximum_open_files(wanted_files);
if (files && files < wanted_files && ! open_files_limit)
files= my_set_max_open_files(wanted_files);
if (files < wanted_files)
{
if (!open_files_limit)
{
max_connections= (ulong) min((files-10),max_connections);
table_cache_size= (ulong) max((files-10-max_connections)/2,64);
DBUG_PRINT("warning",
("Changed limits: max_connections: %ld table_cache: %ld",
max_connections,table_cache_size));
sql_print_error("Warning: Changed limits: max_connections: %ld table_cache: %ld",max_connections,table_cache_size);
("Changed limits: max_open_files: %u max_connections: %ld table_cache: %ld",
files, max_connections, table_cache_size));
if (global_system_variables.log_warnings)
sql_print_error("Warning: Changed limits: max_open_files: %u max_connections: %ld table_cache: %ld",
files, max_connections, table_cache_size);
}
else if (global_system_variables.log_warnings)
sql_print_error("Warning: Could not increase number of max_open_files to more than %u (request: %u)", files, wanted_files);
}
open_files_limit= files;
}
#else
open_files_limit= 0; /* Can't set or detect limit */
#endif
unireg_init(opt_specialflag); /* Set up extern variabels */
if (init_errmessage()) /* Read error messages from file */
return 1;
......@@ -2180,10 +2197,14 @@ static int init_common_variables(const char *conf_file_name, int argc,
sys_init_connect.value_length= 0;
if ((sys_init_connect.value= opt_init_connect))
sys_init_connect.value_length= strlen(opt_init_connect);
else
sys_init_connect.value=my_strdup("",MYF(0));
sys_init_slave.value_length= 0;
if ((sys_init_slave.value= opt_init_slave))
sys_init_slave.value_length= strlen(opt_init_slave);
else
sys_init_slave.value=my_strdup("",MYF(0));
if (use_temp_pool && bitmap_init(&temp_pool,0,1024,1))
return 1;
......@@ -2210,6 +2231,7 @@ static int init_thread_environment()
(void) pthread_mutex_init(&LOCK_user_conn, MY_MUTEX_INIT_FAST);
(void) pthread_mutex_init(&LOCK_active_mi, MY_MUTEX_INIT_FAST);
(void) pthread_mutex_init(&LOCK_global_system_variables, MY_MUTEX_INIT_FAST);
(void) pthread_mutex_init(&LOCK_uuid_generator, MY_MUTEX_INIT_FAST);
(void) my_rwlock_init(&LOCK_sys_init_connect, NULL);
(void) my_rwlock_init(&LOCK_sys_init_slave, NULL);
(void) my_rwlock_init(&LOCK_grant, NULL);
......@@ -2263,8 +2285,9 @@ static void init_ssl()
static int init_server_components()
{
DBUG_ENTER("init_server_components");
table_cache_init();
hostname_cache_init();
if (table_cache_init() || hostname_cache_init())
unireg_abort(1);
query_cache_result_size_limit(query_cache_limit);
query_cache_set_min_res_unit(query_cache_min_res_unit);
query_cache_resize(query_cache_size);
......@@ -2391,10 +2414,10 @@ Now disabling --log-slave-updates.");
{
if (mlockall(MCL_CURRENT))
{
if (global_system_variables.log_warnings)
sql_print_error("Warning: Failed to lock memory. Errno: %d\n",errno);
locked_in_memory= 0;
}
else
locked_in_memory=1;
}
#else
locked_in_memory=0;
......@@ -2412,7 +2435,7 @@ static void create_maintenance_thread()
{
if (
#ifdef HAVE_BERKELEY_DB
!berkeley_skip ||
(have_berkeley_db == SHOW_OPTION_YES) ||
#endif
(flush_time && flush_time != ~(ulong) 0L))
{
......@@ -2558,8 +2581,38 @@ int main(int argc, char **argv)
}
}
#endif
thread_stack_min=thread_stack - STACK_MIN_SIZE;
(void) thr_setconcurrency(concurrency); // 10 by default
/*
Ensure that lower_case_table_names is set on system where we have case
insensitive names. If this is not done the users MyISAM tables will
get corrupted if accesses with names of different case.
*/
DBUG_PRINT("info", ("lower_case_table_names: %d", lower_case_table_names));
if (!lower_case_table_names &&
(lower_case_file_system=
(test_if_case_insensitive(mysql_real_data_home) == 1)))
{
if (lower_case_table_names_used)
{
if (global_system_variables.log_warnings)
sql_print_error("\
Warning: You have forced lower_case_table_names to 0 through a command-line \
option, even though your file system '%s' is case insensitive. This means \
that you can corrupt a MyISAM table by accessing it with different cases. \
You should consider changing lower_case_table_names to 1 or 2",
mysql_real_data_home);
}
else
{
if (global_system_variables.log_warnings)
sql_print_error("Warning: Setting lower_case_table_names=2 because file system for %s is case insensitive", mysql_real_data_home);
lower_case_table_names= 2;
}
}
select_thread=pthread_self();
select_thread_in_use=1;
init_ssl();
......@@ -2989,8 +3042,6 @@ static void create_new_thread(THD *thd)
DBUG_VOID_RETURN;
}
pthread_mutex_lock(&LOCK_thread_count);
if (thread_count-delayed_insert_threads > max_used_connections)
max_used_connections=thread_count-delayed_insert_threads;
thd->thread_id=thread_id++;
thd->real_id=pthread_self(); // Keep purify happy
......@@ -3019,6 +3070,8 @@ static void create_new_thread(THD *thd)
thread_count++;
thread_created++;
threads.append(thd);
if (thread_count-delayed_insert_threads > max_used_connections)
max_used_connections=thread_count-delayed_insert_threads;
DBUG_PRINT("info",(("creating thread %d"), thd->thread_id));
thd->connect_time = time(NULL);
if ((error=pthread_create(&thd->real_id,&connection_attrib,
......@@ -3311,7 +3364,7 @@ extern "C" pthread_handler_decl(handle_connections_namedpipes,arg)
if (!fConnected)
{
CloseHandle( hPipe );
if ((hPipe = CreateNamedPipe(szPipeName,
if ((hPipe = CreateNamedPipe(pipe_name,
PIPE_ACCESS_DUPLEX,
PIPE_TYPE_BYTE |
PIPE_READMODE_BYTE |
......@@ -3329,7 +3382,7 @@ extern "C" pthread_handler_decl(handle_connections_namedpipes,arg)
}
hConnectedPipe = hPipe;
/* create new pipe for new connection */
if ((hPipe = CreateNamedPipe(szPipeName,
if ((hPipe = CreateNamedPipe(pipe_name,
PIPE_ACCESS_DUPLEX,
PIPE_TYPE_BYTE |
PIPE_READMODE_BYTE |
......@@ -3594,7 +3647,7 @@ enum options_mysqld
OPT_DELAY_KEY_WRITE_ALL, OPT_SLOW_QUERY_LOG,
OPT_DELAY_KEY_WRITE, OPT_CHARSETS_DIR,
OPT_BDB_HOME, OPT_BDB_LOG,
OPT_BDB_TMP, OPT_BDB_NOSYNC,
OPT_BDB_TMP, OPT_BDB_SYNC,
OPT_BDB_LOCK, OPT_BDB,
OPT_BDB_NO_RECOVER, OPT_BDB_SHARED,
OPT_MASTER_HOST, OPT_MASTER_USER,
......@@ -3634,7 +3687,7 @@ enum options_mysqld
OPT_HAVE_NAMED_PIPE,
OPT_DO_PSTACK, OPT_REPORT_HOST,
OPT_REPORT_USER, OPT_REPORT_PASSWORD, OPT_REPORT_PORT,
OPT_SHOW_SLAVE_AUTH_INFO, OPT_OLD_RPL_COMPAT,
OPT_SHOW_SLAVE_AUTH_INFO,
OPT_SLAVE_LOAD_TMPDIR, OPT_NO_MIX_TYPE,
OPT_RPL_RECOVERY_RANK,OPT_INIT_RPL_ROLE,
OPT_RELAY_LOG, OPT_RELAY_LOG_INDEX, OPT_RELAY_LOG_INFO_FILE,
......@@ -3644,7 +3697,7 @@ enum options_mysqld
OPT_BACK_LOG, OPT_BINLOG_CACHE_SIZE,
OPT_CONNECT_TIMEOUT, OPT_DELAYED_INSERT_TIMEOUT,
OPT_DELAYED_INSERT_LIMIT, OPT_DELAYED_QUEUE_SIZE,
OPT_FLUSH_TIME, OPT_FT_MIN_WORD_LEN,
OPT_FLUSH_TIME, OPT_FT_MIN_WORD_LEN, OPT_FT_BOOLEAN_SYNTAX,
OPT_FT_MAX_WORD_LEN, OPT_FT_QUERY_EXPANSION_LIMIT, OPT_FT_STOPWORD_FILE,
OPT_INTERACTIVE_TIMEOUT, OPT_JOIN_BUFF_SIZE,
OPT_KEY_BUFFER_SIZE, OPT_KEY_CACHE_BLOCK_SIZE,
......@@ -3666,7 +3719,7 @@ enum options_mysqld
OPT_OPEN_FILES_LIMIT,
OPT_PRELOAD_BUFFER_SIZE,
OPT_QUERY_CACHE_LIMIT, OPT_QUERY_CACHE_MIN_RES_UNIT, OPT_QUERY_CACHE_SIZE,
OPT_QUERY_CACHE_TYPE, OPT_RECORD_BUFFER,
OPT_QUERY_CACHE_TYPE, OPT_QUERY_CACHE_WLOCK_INVALIDATE, OPT_RECORD_BUFFER,
OPT_RECORD_RND_BUFFER, OPT_RELAY_LOG_SPACE_LIMIT, OPT_RELAY_LOG_PURGE,
OPT_SLAVE_NET_TIMEOUT, OPT_SLAVE_COMPRESSED_PROTOCOL, OPT_SLOW_LAUNCH_TIME,
OPT_READONLY, OPT_DEBUGGING,
......@@ -3695,6 +3748,7 @@ enum options_mysqld
OPT_RANGE_ALLOC_BLOCK_SIZE,
OPT_QUERY_ALLOC_BLOCK_SIZE, OPT_QUERY_PREALLOC_SIZE,
OPT_TRANS_ALLOC_BLOCK_SIZE, OPT_TRANS_PREALLOC_SIZE,
OPT_SYNC_FRM, OPT_BDB_NOSYNC,
OPT_ENABLE_SHARED_MEMORY,
OPT_SHARED_MEMORY_BASE_NAME,
OPT_OLD_PASSWORDS,
......@@ -3735,8 +3789,14 @@ struct my_option my_long_options[] =
{"bdb-no-recover", OPT_BDB_NO_RECOVER,
"Don't try to recover Berkeley DB tables on start.", 0, 0, 0, GET_NO_ARG,
NO_ARG, 0, 0, 0, 0, 0, 0},
{"bdb-no-sync", OPT_BDB_NOSYNC, "Don't synchronously flush logs.", 0, 0, 0,
GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
{"bdb-no-sync", OPT_BDB_NOSYNC,
"Disable synchronously flushing logs. This option is deprecated, use --skip-sync-bdb-logs or sync-bdb-logs=0 instead",
// (gptr*) &opt_sync_bdb_logs, (gptr*) &opt_sync_bdb_logs, 0, GET_BOOL,
0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
{"sync-bdb-logs", OPT_BDB_SYNC,
"Synchronously flush logs. Enabled by default",
(gptr*) &opt_sync_bdb_logs, (gptr*) &opt_sync_bdb_logs, 0, GET_BOOL,
NO_ARG, 1, 0, 0, 0, 0, 0},
{"bdb-shared-data", OPT_BDB_SHARED,
"Start Berkeley DB in multi-process mode.", 0, 0, 0, GET_NO_ARG, NO_ARG, 0,
0, 0, 0, 0, 0},
......@@ -3744,6 +3804,9 @@ struct my_option my_long_options[] =
(gptr*) &berkeley_tmpdir, (gptr*) &berkeley_tmpdir, 0, GET_STR,
REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
#endif /* HAVE_BERKELEY_DB */
{"sync-frm", OPT_SYNC_FRM, "Sync .frm to disk on create. Enabled by default",
(gptr*) &opt_sync_frm, (gptr*) &opt_sync_frm, 0, GET_BOOL, NO_ARG, 1, 0,
0, 0, 0, 0},
{"bdb", OPT_BDB, "Enable Berkeley DB (if this version of MySQL supports it). \
Disable with --skip-bdb (will save memory).",
(gptr*) &opt_bdb, (gptr*) &opt_bdb, 0, GET_BOOL, NO_ARG, 1, 0, 0,
......@@ -3960,7 +4023,8 @@ log and this option justs turns on --log-bin instead.",
0, 0, 0, 0},
{"master-password", OPT_MASTER_PASSWORD,
"The password the slave thread will authenticate with when connecting to the master. If not set, an empty password is assumed.The value in master.info will take precedence if it can be read.",
0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
(gptr*)&master_password, (gptr*)&master_password, 0,
GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"master-port", OPT_MASTER_PORT,
"The port the master is listening on. If not set, the compiled setting of MYSQL_PORT is assumed. If you have not tinkered with configure options, this should be 3306. The value in master.info will take precedence if it can be read.",
(gptr*) &master_port, (gptr*) &master_port, 0, GET_UINT, REQUIRED_ARG,
......@@ -4045,10 +4109,6 @@ master-ssl",
(gptr*) &global_system_variables.old_passwords,
(gptr*) &max_system_variables.old_passwords, 0, GET_BOOL, NO_ARG,
0, 0, 0, 0, 0, 0},
{"old-rpl-compat", OPT_OLD_RPL_COMPAT,
"Use old LOAD DATA format in the binary log (don't save data in file).",
(gptr*) &opt_old_rpl_compat, (gptr*) &opt_old_rpl_compat, 0, GET_BOOL,
NO_ARG, 0, 0, 0, 0, 0, 0},
#ifdef ONE_THREAD
{"one-thread", OPT_ONE_THREAD,
"Only use one thread (for debugging under Linux).", 0, 0, 0, GET_NO_ARG,
......@@ -4217,7 +4277,7 @@ log and this option does nothing anymore.",
0, 0, 0, 0, 0},
{"tmpdir", 't',
"Path for temporary files. Several paths may be specified, separated by a "
#if defined( __WIN__) || defined(OS2)
#if defined( __WIN__) || defined(OS2) || defined(__NETWARE__)
"semicolon (;)"
#else
"colon (:)"
......@@ -4243,11 +4303,11 @@ log and this option does nothing anymore.",
NO_ARG, 0, 0, 0, 0, 0, 0},
{"log-warnings", 'W', "Log some not critical warnings to the log file.",
(gptr*) &global_system_variables.log_warnings,
(gptr*) &max_system_variables.log_warnings, 0, GET_BOOL, NO_ARG, 0, 0, 0,
(gptr*) &max_system_variables.log_warnings, 0, GET_BOOL, NO_ARG, 1, 0, 0,
0, 0, 0},
{"warnings", 'W', "Deprecated ; Use --log-warnings instead.",
(gptr*) &global_system_variables.log_warnings,
(gptr*) &max_system_variables.log_warnings, 0, GET_BOOL, NO_ARG, 0, 0, 0,
(gptr*) &max_system_variables.log_warnings, 0, GET_BOOL, NO_ARG, 1, 0, 0,
0, 0, 0},
{ "back_log", OPT_BACK_LOG,
"The number of outstanding connection requests MySQL can have. This comes into play when the main MySQL thread gets very many connection requests in a very short time.",
......@@ -4295,6 +4355,10 @@ log and this option does nothing anymore.",
"A dedicated thread is created to flush all tables at the given interval.",
(gptr*) &flush_time, (gptr*) &flush_time, 0, GET_ULONG, REQUIRED_ARG,
FLUSH_TIME, 0, LONG_TIMEOUT, 0, 1, 0},
{ "ft_boolean_syntax", OPT_FT_BOOLEAN_SYNTAX,
"List of operators for MATCH ... AGAINST ( ... IN BOOLEAN MODE)",
0, 0, 0, GET_STR,
REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{ "ft_min_word_len", OPT_FT_MIN_WORD_LEN,
"The minimum length of the word to be included in a FULLTEXT index. Note: FULLTEXT indexes must be rebuilt after changing this variable.",
(gptr*) &ft_min_word_len, (gptr*) &ft_min_word_len, 0, GET_ULONG,
......@@ -4410,15 +4474,15 @@ log and this option does nothing anymore.",
(gptr*) &max_system_variables.long_query_time, 0, GET_ULONG,
REQUIRED_ARG, 10, 1, LONG_TIMEOUT, 0, 1, 0},
{"lower_case_table_names", OPT_LOWER_CASE_TABLE_NAMES,
"If set to 1 table names are stored in lowercase on disk and table names will be case-insensitive.",
"If set to 1 table names are stored in lowercase on disk and table names will be case-insensitive. Should be set to 2 if you are using a case insensitive file system",
(gptr*) &lower_case_table_names,
(gptr*) &lower_case_table_names, 0, GET_BOOL, NO_ARG,
(gptr*) &lower_case_table_names, 0, GET_UINT, OPT_ARG,
#ifdef FN_NO_CASE_SENCE
1
#else
0
#endif
, 0, 1, 0, 1, 0},
, 0, 2, 0, 1, 0},
{"max_allowed_packet", OPT_MAX_ALLOWED_PACKET,
"Max packetlength to send/receive from to server.",
(gptr*) &global_system_variables.max_allowed_packet,
......@@ -4444,7 +4508,8 @@ The minimum value for this variable is 4096.",
REQUIRED_ARG, MAX_CONNECT_ERRORS, 1, ~0L, 0, 1, 0},
{"max_delayed_threads", OPT_MAX_DELAYED_THREADS,
"Don't start more than this number of threads to handle INSERT DELAYED statements. If set to zero, which means INSERT DELAYED is not used.",
(gptr*) &max_insert_delayed_threads, (gptr*) &max_insert_delayed_threads,
(gptr*) &global_system_variables.max_insert_delayed_threads,
(gptr*) &max_system_variables.max_insert_delayed_threads,
0, GET_ULONG, REQUIRED_ARG, 20, 0, 16384, 0, 1, 0},
{"max_error_count", OPT_MAX_ERROR_COUNT,
"Max number of errors/warnings to store for a statement.",
......@@ -4549,7 +4614,7 @@ The minimum value for this variable is 4096.",
{"open_files_limit", OPT_OPEN_FILES_LIMIT,
"If this is not 0, then mysqld will use this value to reserve file descriptors to use with setrlimit(). If this value is 0 then mysqld will reserve max_connections*5 or max_connections + table_cache*2 (whichever is larger) number of files.",
(gptr*) &open_files_limit, (gptr*) &open_files_limit, 0, GET_ULONG,
REQUIRED_ARG, 0, 0, 65535, 0, 1, 0},
REQUIRED_ARG, 0, 0, OS_FILE_LIMIT, 0, 1, 0},
{"plan_search_depth", OPT_PLAN_SEARCH_DEPTH,
"Maximum depth of search performed by the query optimizer. Values larger than the number of relations in a query result in better query plans, but take longer to compile a query. Smaller values than the number of tables in a relation result in faster optimization, but may produce very bad query plans. If set to 0, the system will automatically pick a reasonable value; if set to MAX_TABLES+2, the optimizer will switch to the original find_best (used for testing/comparison).",
(gptr*) &global_system_variables.plan_search_depth,
......@@ -4586,12 +4651,17 @@ The minimum value for this variable is 4096.",
(gptr*) &global_system_variables.query_cache_type,
(gptr*) &max_system_variables.query_cache_type,
0, GET_ULONG, REQUIRED_ARG, 1, 0, 2, 0, 1, 0},
{"query_cache_wlock_invalidate", OPT_QUERY_CACHE_WLOCK_INVALIDATE,
"Invalidate queries in query cache on LOCK for write",
(gptr*) &global_system_variables.query_cache_wlock_invalidate,
(gptr*) &max_system_variables.query_cache_wlock_invalidate,
0, GET_BOOL, NO_ARG, 0, 0, 1, 0, 1, 0},
#endif /*HAVE_QUERY_CACHE*/
{"query_prealloc_size", OPT_QUERY_PREALLOC_SIZE,
"Persistent buffer for query parsing and execution",
(gptr*) &global_system_variables.query_prealloc_size,
(gptr*) &max_system_variables.query_prealloc_size, 0, GET_ULONG,
REQUIRED_ARG, QUERY_ALLOC_PREALLOC_SIZE, 1024, ~0L, 0, 1024, 0},
#endif /*HAVE_QUERY_CACHE*/
{"read_buffer_size", OPT_RECORD_BUFFER,
"Each thread that does a sequential scan allocates a buffer of this size for each table it scans. If you do many sequential scans, you may want to increase this value.",
(gptr*) &global_system_variables.read_buff_size,
......@@ -4635,7 +4705,7 @@ The minimum value for this variable is 4096.",
(gptr*) &max_system_variables.range_alloc_block_size, 0, GET_ULONG,
REQUIRED_ARG, RANGE_ALLOC_BLOCK_SIZE, 1024, ~0L, 0, 1024, 0},
{"read-only", OPT_READONLY,
"Make all tables readonly, with the expections for replications (slave) threads and users with the SUPER privilege.",
"Make all tables readonly, with the exception for replication (slave) threads and users with the SUPER privilege",
(gptr*) &opt_readonly,
(gptr*) &opt_readonly,
0, GET_BOOL, NO_ARG, 0, 0, 1, 0, 1, 0},
......@@ -4651,8 +4721,8 @@ The minimum value for this variable is 4096.",
1, 0},
{"table_cache", OPT_TABLE_CACHE,
"The number of open tables for all threads.", (gptr*) &table_cache_size,
(gptr*) &table_cache_size, 0, GET_ULONG, REQUIRED_ARG, 64, 1, ~0L, 0, 1,
0},
(gptr*) &table_cache_size, 0, GET_ULONG, REQUIRED_ARG, 64, 1, 512*1024L,
0, 1, 0},
{"thread_concurrency", OPT_THREAD_CONCURRENCY,
"Permits the application to give the threads system a hint for the desired number of threads that should be run at the same time.",
(gptr*) &concurrency, (gptr*) &concurrency, 0, GET_ULONG, REQUIRED_ARG,
......@@ -4684,7 +4754,8 @@ The minimum value for this variable is 4096.",
"The number of seconds the server waits for activity on a connection before closing it.",
(gptr*) &global_system_variables.net_wait_timeout,
(gptr*) &max_system_variables.net_wait_timeout, 0, GET_ULONG,
REQUIRED_ARG, NET_WAIT_TIMEOUT, 1, LONG_TIMEOUT, 0, 1, 0},
REQUIRED_ARG, NET_WAIT_TIMEOUT, 1, IF_WIN(INT_MAX32/1000, LONG_TIMEOUT),
0, 1, 0},
{"expire_logs_days", OPT_EXPIRE_LOGS_DAYS,
"Binary logs will be rotated after expire-log-days days ",
(gptr*) &expire_logs_days,
......@@ -4717,6 +4788,8 @@ The minimum value for this variable is 4096.",
struct show_var_st status_vars[]= {
{"Aborted_clients", (char*) &aborted_threads, SHOW_LONG},
{"Aborted_connects", (char*) &aborted_connects, SHOW_LONG},
{"Binlog_cache_disk_use", (char*) &binlog_cache_disk_use, SHOW_LONG},
{"Binlog_cache_use", (char*) &binlog_cache_use, SHOW_LONG},
{"Bytes_received", (char*) &bytes_received, SHOW_LONG},
{"Bytes_sent", (char*) &bytes_sent, SHOW_LONG},
{"Com_admin_commands", (char*) &com_other, SHOW_LONG},
......@@ -4771,13 +4844,13 @@ struct show_var_st status_vars[]= {
{"Com_savepoint", (char*) (com_stat+(uint) SQLCOM_SAVEPOINT),SHOW_LONG},
{"Com_select", (char*) (com_stat+(uint) SQLCOM_SELECT),SHOW_LONG},
{"Com_set_option", (char*) (com_stat+(uint) SQLCOM_SET_OPTION),SHOW_LONG},
{"Com_show_binlogs", (char*) (com_stat+(uint) SQLCOM_SHOW_BINLOGS),SHOW_LONG},
{"Com_show_binlog_events", (char*) (com_stat+(uint) SQLCOM_SHOW_BINLOG_EVENTS),SHOW_LONG},
{"Com_show_binlogs", (char*) (com_stat+(uint) SQLCOM_SHOW_BINLOGS),SHOW_LONG},
{"Com_show_charsets", (char*) (com_stat+(uint) SQLCOM_SHOW_CHARSETS),SHOW_LONG},
{"Com_show_collations", (char*) (com_stat+(uint) SQLCOM_SHOW_COLLATIONS),SHOW_LONG},
{"Com_show_column_types", (char*) (com_stat+(uint) SQLCOM_SHOW_COLUMN_TYPES),SHOW_LONG},
{"Com_show_create_table", (char*) (com_stat+(uint) SQLCOM_SHOW_CREATE),SHOW_LONG},
{"Com_show_create_db", (char*) (com_stat+(uint) SQLCOM_SHOW_CREATE_DB),SHOW_LONG},
{"Com_show_create_table", (char*) (com_stat+(uint) SQLCOM_SHOW_CREATE),SHOW_LONG},
{"Com_show_databases", (char*) (com_stat+(uint) SQLCOM_SHOW_DATABASES),SHOW_LONG},
{"Com_show_errors", (char*) (com_stat+(uint) SQLCOM_SHOW_ERRORS),SHOW_LONG},
{"Com_show_fields", (char*) (com_stat+(uint) SQLCOM_SHOW_FIELDS),SHOW_LONG},
......@@ -4805,11 +4878,11 @@ struct show_var_st status_vars[]= {
{"Com_update_multi", (char*) (com_stat+(uint) SQLCOM_UPDATE_MULTI),SHOW_LONG},
{"Connections", (char*) &thread_id, SHOW_LONG_CONST},
{"Created_tmp_disk_tables", (char*) &created_tmp_disk_tables,SHOW_LONG},
{"Created_tmp_tables", (char*) &created_tmp_tables, SHOW_LONG},
{"Created_tmp_files", (char*) &my_tmp_file_created, SHOW_LONG},
{"Created_tmp_tables", (char*) &created_tmp_tables, SHOW_LONG},
{"Delayed_errors", (char*) &delayed_insert_errors, SHOW_LONG},
{"Delayed_insert_threads", (char*) &delayed_insert_threads, SHOW_LONG_CONST},
{"Delayed_writes", (char*) &delayed_insert_writes, SHOW_LONG},
{"Delayed_errors", (char*) &delayed_insert_errors, SHOW_LONG},
{"Flush_commands", (char*) &refresh_version, SHOW_LONG_CONST},
{"Handler_commit", (char*) &ha_commit_count, SHOW_LONG},
{"Handler_delete", (char*) &ha_delete_count, SHOW_LONG},
......@@ -4836,24 +4909,24 @@ struct show_var_st status_vars[]= {
SHOW_KEY_CACHE_LONG},
{"Max_used_connections", (char*) &max_used_connections, SHOW_LONG},
{"Not_flushed_delayed_rows", (char*) &delayed_rows_in_use, SHOW_LONG_CONST},
{"Open_tables", (char*) 0, SHOW_OPENTABLES},
{"Open_files", (char*) &my_file_opened, SHOW_LONG_CONST},
{"Open_streams", (char*) &my_stream_opened, SHOW_LONG_CONST},
{"Open_tables", (char*) 0, SHOW_OPENTABLES},
{"Opened_tables", (char*) &opened_tables, SHOW_LONG},
{"Questions", (char*) 0, SHOW_QUESTION},
#ifdef HAVE_QUERY_CACHE
{"Qcache_queries_in_cache", (char*) &query_cache.queries_in_cache, SHOW_LONG_CONST},
{"Qcache_inserts", (char*) &query_cache.inserts, SHOW_LONG},
{"Qcache_free_blocks", (char*) &query_cache.free_memory_blocks,
SHOW_LONG_CONST},
{"Qcache_free_memory", (char*) &query_cache.free_memory,
SHOW_LONG_CONST},
{"Qcache_hits", (char*) &query_cache.hits, SHOW_LONG},
{"Qcache_inserts", (char*) &query_cache.inserts, SHOW_LONG},
{"Qcache_lowmem_prunes", (char*) &query_cache.lowmem_prunes, SHOW_LONG},
{"Qcache_not_cached", (char*) &query_cache.refused, SHOW_LONG},
{"Qcache_free_memory", (char*) &query_cache.free_memory,
SHOW_LONG_CONST},
{"Qcache_free_blocks", (char*) &query_cache.free_memory_blocks,
SHOW_LONG_CONST},
{"Qcache_queries_in_cache", (char*) &query_cache.queries_in_cache, SHOW_LONG_CONST},
{"Qcache_total_blocks", (char*) &query_cache.total_blocks,
SHOW_LONG_CONST},
#endif /*HAVE_QUERY_CACHE*/
{"Questions", (char*) 0, SHOW_QUESTION},
{"Rpl_status", (char*) 0, SHOW_RPL_STATUS},
{"Select_full_join", (char*) &select_full_join_count, SHOW_LONG},
{"Select_full_range_join", (char*) &select_full_range_join_count, SHOW_LONG},
......@@ -4869,35 +4942,35 @@ struct show_var_st status_vars[]= {
{"Sort_rows", (char*) &filesort_rows, SHOW_LONG},
{"Sort_scan", (char*) &filesort_scan_count, SHOW_LONG},
#ifdef HAVE_OPENSSL
{"Ssl_accept_renegotiates", (char*) 0, SHOW_SSL_CTX_SESS_ACCEPT_RENEGOTIATE},
{"Ssl_accepts", (char*) 0, SHOW_SSL_CTX_SESS_ACCEPT},
{"Ssl_callback_cache_hits", (char*) 0, SHOW_SSL_CTX_SESS_CB_HITS},
{"Ssl_cipher", (char*) 0, SHOW_SSL_GET_CIPHER},
{"Ssl_cipher_list", (char*) 0, SHOW_SSL_GET_CIPHER_LIST},
{"Ssl_client_connects", (char*) 0, SHOW_SSL_CTX_SESS_CONNECT},
{"Ssl_connect_renegotiates", (char*) 0, SHOW_SSL_CTX_SESS_CONNECT_RENEGOTIATE},
{"Ssl_ctx_verify_depth", (char*) 0, SHOW_SSL_CTX_GET_VERIFY_DEPTH},
{"Ssl_ctx_verify_mode", (char*) 0, SHOW_SSL_CTX_GET_VERIFY_MODE},
{"Ssl_default_timeout", (char*) 0, SHOW_SSL_GET_DEFAULT_TIMEOUT},
{"Ssl_finished_accepts", (char*) 0, SHOW_SSL_CTX_SESS_ACCEPT_GOOD},
{"Ssl_finished_connects", (char*) 0, SHOW_SSL_CTX_SESS_CONNECT_GOOD},
{"Ssl_accept_renegotiates", (char*) 0, SHOW_SSL_CTX_SESS_ACCEPT_RENEGOTIATE},
{"Ssl_connect_renegotiates", (char*) 0, SHOW_SSL_CTX_SESS_CONNECT_RENEGOTIATE},
{"Ssl_callback_cache_hits", (char*) 0, SHOW_SSL_CTX_SESS_CB_HITS},
{"Ssl_session_cache_hits", (char*) 0, SHOW_SSL_CTX_SESS_HITS},
{"Ssl_session_cache_misses", (char*) 0, SHOW_SSL_CTX_SESS_MISSES},
{"Ssl_session_cache_timeouts", (char*) 0, SHOW_SSL_CTX_SESS_TIMEOUTS},
{"Ssl_used_session_cache_entries",(char*) 0, SHOW_SSL_CTX_SESS_NUMBER},
{"Ssl_client_connects", (char*) 0, SHOW_SSL_CTX_SESS_CONNECT},
{"Ssl_session_cache_mode", (char*) 0, SHOW_SSL_CTX_GET_SESSION_CACHE_MODE},
{"Ssl_session_cache_overflows", (char*) 0, SHOW_SSL_CTX_SESS_CACHE_FULL},
{"Ssl_session_cache_size", (char*) 0, SHOW_SSL_CTX_SESS_GET_CACHE_SIZE},
{"Ssl_session_cache_mode", (char*) 0, SHOW_SSL_CTX_GET_SESSION_CACHE_MODE},
{"Ssl_session_cache_timeouts", (char*) 0, SHOW_SSL_CTX_SESS_TIMEOUTS},
{"Ssl_sessions_reused", (char*) 0, SHOW_SSL_SESSION_REUSED},
{"Ssl_ctx_verify_mode", (char*) 0, SHOW_SSL_CTX_GET_VERIFY_MODE},
{"Ssl_ctx_verify_depth", (char*) 0, SHOW_SSL_CTX_GET_VERIFY_DEPTH},
{"Ssl_verify_mode", (char*) 0, SHOW_SSL_GET_VERIFY_MODE},
{"Ssl_used_session_cache_entries",(char*) 0, SHOW_SSL_CTX_SESS_NUMBER},
{"Ssl_verify_depth", (char*) 0, SHOW_SSL_GET_VERIFY_DEPTH},
{"Ssl_verify_mode", (char*) 0, SHOW_SSL_GET_VERIFY_MODE},
{"Ssl_version", (char*) 0, SHOW_SSL_GET_VERSION},
{"Ssl_cipher", (char*) 0, SHOW_SSL_GET_CIPHER},
{"Ssl_cipher_list", (char*) 0, SHOW_SSL_GET_CIPHER_LIST},
{"Ssl_default_timeout", (char*) 0, SHOW_SSL_GET_DEFAULT_TIMEOUT},
#endif /* HAVE_OPENSSL */
{"Table_locks_immediate", (char*) &locks_immediate, SHOW_LONG},
{"Table_locks_waited", (char*) &locks_waited, SHOW_LONG},
{"Threads_cached", (char*) &cached_thread_count, SHOW_LONG_CONST},
{"Threads_created", (char*) &thread_created, SHOW_LONG_CONST},
{"Threads_connected", (char*) &thread_count, SHOW_INT_CONST},
{"Threads_created", (char*) &thread_created, SHOW_LONG_CONST},
{"Threads_running", (char*) &thread_running, SHOW_INT_CONST},
{"Uptime", (char*) 0, SHOW_STARTTIME},
{"Last_query_cost", (char*) &last_query_cost, SHOW_DOUBLE},
......@@ -5012,6 +5085,7 @@ static void mysql_init_variables(void)
filesort_merge_passes= select_range_check_count= select_range_count= 0;
select_scan_count= select_full_range_join_count= select_full_join_count= 0;
specialflag= opened_tables= created_tmp_tables= created_tmp_disk_tables= 0;
binlog_cache_use= binlog_cache_disk_use= 0;
max_used_connections= slow_launch_threads = 0;
max_sort_char= 0;
mysqld_user= mysqld_chroot= opt_init_file= opt_bin_logname = 0;
......@@ -5531,7 +5605,14 @@ get_one_option(int optid, const struct my_option *opt __attribute__((unused)),
}
#ifdef HAVE_BERKELEY_DB
case OPT_BDB_NOSYNC:
berkeley_env_flags|=DB_TXN_NOSYNC;
/* Deprecated option */
opt_sync_bdb_logs= 0;
/* Fall through */
case OPT_BDB_SYNC:
if (!opt_sync_bdb_logs)
berkeley_env_flags|= DB_TXN_NOSYNC;
else
berkeley_env_flags&= ~DB_TXN_NOSYNC;
break;
case OPT_BDB_NO_RECOVER:
berkeley_init_flags&= ~(DB_RECOVER);
......@@ -5565,43 +5646,25 @@ get_one_option(int optid, const struct my_option *opt __attribute__((unused)),
case OPT_BDB:
#ifdef HAVE_BERKELEY_DB
if (opt_bdb)
{
berkeley_skip=0;
have_berkeley_db=SHOW_OPTION_YES;
}
else
{
berkeley_skip=1;
have_berkeley_db=SHOW_OPTION_DISABLED;
}
#endif
break;
case OPT_ISAM:
#ifdef HAVE_ISAM
if (opt_isam)
{
isam_skip=0;
have_isam= SHOW_OPTION_YES;
}
else
{
isam_skip=1;
have_isam= SHOW_OPTION_DISABLED;
}
#endif
break;
case OPT_INNODB:
#ifdef HAVE_INNOBASE_DB
if (opt_innodb)
{
innodb_skip=0;
have_innodb=SHOW_OPTION_YES;
}
else
{
innodb_skip=1;
have_innodb=SHOW_OPTION_DISABLED;
}
#endif
break;
case OPT_INNODB_DATA_FILE_PATH:
......@@ -5648,15 +5711,25 @@ get_one_option(int optid, const struct my_option *opt __attribute__((unused)),
}
global_system_variables.sql_mode= fix_sql_mode(global_system_variables.
sql_mode);
break;
}
case OPT_MASTER_PASSWORD:
master_password=argument;
case OPT_FT_BOOLEAN_SYNTAX:
if (ft_boolean_check_syntax_string((byte*) argument))
{
fprintf(stderr, "Invalid ft-boolean-syntax string: %s\n", argument);
exit(1);
}
strmake(opt_ft_boolean_syntax, argument, sizeof(ft_boolean_syntax)-1);
break;
case OPT_SKIP_SAFEMALLOC:
#ifdef SAFEMALLOC
sf_malloc_quick=1;
#endif
break;
case OPT_LOWER_CASE_TABLE_NAMES:
lower_case_table_names= argument ? atoi(argument) : 1;
lower_case_table_names_used= 1;
break;
}
return 0;
}
......@@ -5696,6 +5769,8 @@ static void get_options(int argc,char **argv)
int ho_error;
my_getopt_register_get_addr(mysql_getopt_value);
strmake(opt_ft_boolean_syntax, ft_boolean_syntax,
sizeof(ft_boolean_syntax)-1);
if ((ho_error=handle_options(&argc, &argv, my_long_options, get_one_option)))
exit(ho_error);
if (argc > 0)
......@@ -5751,6 +5826,9 @@ static void get_options(int argc,char **argv)
table_alias_charset= (lower_case_table_names ?
files_charset_info :
&my_charset_bin);
strmake(ft_boolean_syntax, opt_ft_boolean_syntax,
sizeof(ft_boolean_syntax)-1);
if (opt_short_log_format)
opt_specialflag|= SPECIAL_SHORT_LOG_FORMAT;
if (opt_log_queries_not_using_indexes)
......@@ -5847,110 +5925,9 @@ static void fix_paths(void)
exit(1);
}
#endif /* HAVE_REPLICATION */
/*
Ensure that lower_case_table_names is set on system where we have case
insensitive names. If this is not done the users MyISAM tables will
get corrupted if accesses with names of different case.
*/
if (!lower_case_table_names &&
test_if_case_insensitive(mysql_real_data_home) == 1)
{
sql_print_error("Warning: Setting lower_case_table_names=1 becasue file system %s is case insensitive", mysql_real_data_home);
lower_case_table_names= 1;
}
}
/*
set how many open files we want to be able to handle
SYNOPSIS
set_maximum_open_files()
max_file_limit Files to open
NOTES
The request may not fulfilled becasue of system limitations
RETURN
Files available to open
*/
#ifdef SET_RLIMIT_NOFILE
#ifndef RLIM_INFINITY
#define RLIM_INFINITY ((uint) 0xffffffff)
#endif
static uint set_maximum_open_files(uint max_file_limit)
{
struct rlimit rlimit;
uint old_cur;
DBUG_ENTER("set_maximum_open_files");
DBUG_PRINT("enter",("files: %u", max_file_limit));
if (!getrlimit(RLIMIT_NOFILE,&rlimit))
{
old_cur= (uint) rlimit.rlim_cur;
DBUG_PRINT("info", ("rlim_cur: %u rlim_max: %u",
(uint) rlimit.rlim_cur,
(uint) rlimit.rlim_max));
if (rlimit.rlim_cur >= max_file_limit ||
rlimit.rlim_cur == RLIM_INFINITY)
DBUG_RETURN(rlimit.rlim_cur); /* purecov: inspected */
rlimit.rlim_cur= rlimit.rlim_max= max_file_limit;
if (setrlimit(RLIMIT_NOFILE,&rlimit))
{
if (global_system_variables.log_warnings)
sql_print_error("Warning: setrlimit couldn't increase number of open files to more than %u (request: %u)",
old_cur, max_file_limit); /* purecov: inspected */
max_file_limit= old_cur;
}
else
{
rlimit.rlim_cur= 0; // Safety if next call fails
(void) getrlimit(RLIMIT_NOFILE,&rlimit);
DBUG_PRINT("info", ("rlim_cur: %u", (uint) rlimit.rlim_cur));
if ((uint) rlimit.rlim_cur < max_file_limit &&
global_system_variables.log_warnings)
sql_print_error("Warning: setrlimit returned ok, but didn't change limits. Max open files is %u (request: %u)",
(uint) rlimit.rlim_cur,
max_file_limit); /* purecov: inspected */
max_file_limit= (uint) rlimit.rlim_cur;
}
}
DBUG_PRINT("exit",("max_file_limit: %u", max_file_limit));
DBUG_RETURN(max_file_limit);
}
#endif
#ifdef OS2
static uint set_maximum_open_files(uint max_file_limit)
{
LONG cbReqCount;
ULONG cbCurMaxFH, cbCurMaxFH0;
APIRET ulrc;
DBUG_ENTER("set_maximum_open_files");
// get current limit
cbReqCount = 0;
DosSetRelMaxFH( &cbReqCount, &cbCurMaxFH0);
// set new limit
cbReqCount = max_file_limit - cbCurMaxFH0;
ulrc = DosSetRelMaxFH( &cbReqCount, &cbCurMaxFH);
if (ulrc) {
sql_print_error("Warning: DosSetRelMaxFH couldn't increase number of open files to more than %d",
cbCurMaxFH0);
cbCurMaxFH = cbCurMaxFH0;
}
DBUG_RETURN(cbCurMaxFH);
}
#endif
/*
Return a bitfield from a string of substrings separated by ','
returns ~(ulong) 0 on error.
......@@ -6031,6 +6008,7 @@ static int test_if_case_insensitive(const char *dir_name)
File file;
char buff[FN_REFLEN], buff2[FN_REFLEN];
MY_STAT stat_info;
DBUG_ENTER("test_if_case_insensitive");
fn_format(buff, glob_hostname, dir_name, ".lower-test",
MY_UNPACK_FILENAME | MY_REPLACE_EXT | MY_REPLACE_DIR);
......@@ -6040,13 +6018,14 @@ static int test_if_case_insensitive(const char *dir_name)
if ((file= my_create(buff, 0666, O_RDWR, MYF(0))) < 0)
{
sql_print_error("Warning: Can't create test file %s", buff);
return -1;
DBUG_RETURN(-1);
}
my_close(file, MYF(0));
if (my_stat(buff2, &stat_info, MYF(0)))
result= 1; // Can access file
(void) my_delete(buff, MYF(MY_WME));
return result;
DBUG_PRINT("exit", ("result: %d", result));
DBUG_RETURN(result);
}
......
sql/set_var.cc
View file @ f3dab7be
......@@ -156,6 +156,7 @@ sys_var_str sys_ft_boolean_syntax("ft_boolean_syntax",
sys_update_ftb_syntax,
sys_default_ftb_syntax,
ft_boolean_syntax);
sys_var_thd_ulong sys_heuristic("heuristic", &SV::heuristic);
sys_var_str sys_init_connect("init_connect", 0,
sys_update_init_connect,
sys_default_init_connect,0);
......@@ -253,6 +254,8 @@ sys_var_thd_ulong sys_net_retry_count("net_retry_count",
0, fix_net_retry_count);
sys_var_thd_bool sys_new_mode("new", &SV::new_mode);
sys_var_thd_bool sys_old_passwords("old_passwords", &SV::old_passwords);
sys_var_thd_ulong sys_plan_search_depth("plan_search_depth",
&SV::plan_search_depth);
sys_var_thd_ulong sys_preload_buff_size("preload_buffer_size",
&SV::preload_buff_size);
sys_var_thd_ulong sys_read_buff_size("read_buffer_size",
......@@ -479,6 +482,7 @@ sys_var *sys_variables[]=
&sys_ft_boolean_syntax,
&sys_foreign_key_checks,
&sys_group_concat_max_len,
&sys_heuristic,
&sys_identity,
&sys_init_connect,
&sys_init_slave,
......@@ -526,6 +530,7 @@ sys_var *sys_variables[]=
&sys_net_write_timeout,
&sys_new_mode,
&sys_old_passwords,
&sys_plan_search_depth,
&sys_preload_buff_size,
&sys_pseudo_thread_id,
&sys_query_alloc_block_size,
......@@ -800,6 +805,8 @@ struct show_var_st init_vars[]= {
{"version_compile_machine", (char*) MACHINE_TYPE, SHOW_CHAR},
{sys_os.name, (char*) &sys_os, SHOW_SYS},
{sys_net_wait_timeout.name, (char*) &sys_net_wait_timeout, SHOW_SYS},
{sys_heuristic.name, (char*) &sys_heuristic, SHOW_SYS},
{sys_plan_search_depth.name,(char*) &sys_plan_search_depth, SHOW_SYS},
{NullS, NullS, SHOW_LONG}
};
......
sql/sql_class.h
View file @ f3dab7be
......@@ -392,6 +392,8 @@ struct system_variables
ulong table_type;
ulong tmp_table_size;
ulong tx_isolation;
ulong heuristic;
ulong plan_search_depth;
/* Determines which non-standard SQL behaviour should be enabled */
ulong sql_mode;
ulong default_week_format;
......
sql/sql_select.cc
View file @ f3dab7be
......@@ -89,8 +89,10 @@ static int return_zero_rows(JOIN *join, select_result *res,TABLE_LIST *tables,
uint select_options, const char *info,
Item *having, Procedure *proc,
SELECT_LEX_UNIT *unit);
static COND *optimize_cond(COND *conds,Item::cond_result *cond_value);
static COND *remove_eq_conds(COND *cond,Item::cond_result *cond_value);
static COND *optimize_cond(THD *thd, COND *conds,
Item::cond_result *cond_value);
static COND *remove_eq_conds(THD *thd, COND *cond,
Item::cond_result *cond_value);
static bool const_expression_in_where(COND *conds,Item *item, Item **comp_item);
static bool open_tmp_table(TABLE *table);
static bool create_myisam_tmp_table(TABLE *table,TMP_TABLE_PARAM *param,
......@@ -310,6 +312,10 @@ JOIN::prepare(Item ***rref_pointer_array,
{
DBUG_ENTER("JOIN::prepare");
// to prevent double initialization on EXPLAIN
if (optimized)
DBUG_RETURN(0);
conds= conds_init;
order= order_init;
group_list= group_init;
......@@ -322,7 +328,7 @@ JOIN::prepare(Item ***rref_pointer_array,
/* Check that all tables, fields, conds and order are ok */
if (setup_tables(tables_list, 0) ||
if (setup_tables(tables_list) ||
setup_wild(thd, tables_list, fields_list, &all_fields, wild_num) ||
select_lex->setup_ref_array(thd, og_num) ||
setup_fields(thd, (*rref_pointer_array), tables_list, fields_list, 1,
......@@ -339,8 +345,9 @@ JOIN::prepare(Item ***rref_pointer_array,
thd->where="having clause";
thd->allow_sum_func=1;
select_lex->having_fix_field= 1;
bool having_fix_rc= (having->fix_fields(thd, tables_list, &having) ||
having->check_cols(1));
bool having_fix_rc= (!having->fixed &&
(having->fix_fields(thd, tables_list, &having) ||
having->check_cols(1)));
select_lex->having_fix_field= 0;
if (having_fix_rc || thd->net.report_error)
DBUG_RETURN(-1); /* purecov: inspected */
......@@ -351,8 +358,7 @@ JOIN::prepare(Item ***rref_pointer_array,
// Is it subselect
{
Item_subselect *subselect;
if ((subselect= select_lex->master_unit()->item) &&
select_lex->linkage != GLOBAL_OPTIONS_TYPE)
if ((subselect= select_lex->master_unit()->item))
{
Item_subselect::trans_res res;
if ((res= subselect->select_transformer(this)) !=
......@@ -543,7 +549,7 @@ JOIN::optimize()
}
#endif
conds= optimize_cond(conds,&cond_value);
conds= optimize_cond(thd, conds, &cond_value);
if (thd->net.report_error)
{
error= 1;
......@@ -609,7 +615,10 @@ JOIN::optimize()
DBUG_RETURN(1); // error == -1
}
if (const_table_map != found_const_table_map &&
!(select_options & SELECT_DESCRIBE))
!(select_options & SELECT_DESCRIBE) &&
(!conds ||
!(conds->used_tables() & RAND_TABLE_BIT) ||
select_lex->master_unit() == &thd->lex->unit)) // upper level SELECT
{
zero_result_cause= "no matching row in const table";
DBUG_PRINT("error",("Error: %s", zero_result_cause));
......@@ -867,8 +876,7 @@ JOIN::optimize()
for (uint i_h = const_tables; i_h < tables; i_h++)
{
TABLE* table_h = join_tab[i_h].table;
if (table_h->db_type == DB_TYPE_INNODB)
table_h->file->extra(HA_EXTRA_RETRIEVE_ALL_COLS);
table_h->file->extra(HA_EXTRA_RETRIEVE_PRIMARY_KEY);
}
}
#endif
......@@ -1033,7 +1041,7 @@ JOIN::reinit()
/* TODO move to unit reinit */
unit->set_limit(select_lex, select_lex);
if (setup_tables(tables_list, 1))
if (setup_tables(tables_list))
DBUG_RETURN(1);
/* Reset of sum functions */
......@@ -1100,7 +1108,7 @@ JOIN::exec()
if (!tables_list)
{ // Only test of functions
if (select_options & SELECT_DESCRIBE)
select_describe(this, false, false, false,
select_describe(this, FALSE, FALSE, FALSE,
(zero_result_cause?zero_result_cause:"No tables used"));
else
{
......@@ -1439,9 +1447,17 @@ JOIN::exec()
if (!curr_table->select->cond)
curr_table->select->cond= sort_table_cond;
else // This should never happen
{
if (!(curr_table->select->cond=
new Item_cond_and(curr_table->select->cond, sort_table_cond)))
new Item_cond_and(curr_table->select->cond,
sort_table_cond)))
DBUG_VOID_RETURN;
/*
Item_cond_and do not need fix_fields for execution, its parameters
are fixed or do not need fix_fields, too
*/
curr_table->select->cond->quick_fix_field();
}
curr_table->select_cond= curr_table->select->cond;
curr_table->select_cond->top_level_item();
DBUG_EXECUTE("where",print_where(curr_table->select->cond,
......@@ -1994,7 +2010,7 @@ make_join_statistics(JOIN *join,TABLE_LIST *tables,COND *conds,
if (join->const_tables != join->tables)
{
optimize_keyuse(join, keyuse_array);
choose_plan(join,all_table_map & ~join->const_table_map);
choose_plan(join, all_table_map & ~join->const_table_map);
}
else
{
......@@ -2163,8 +2179,8 @@ add_key_field(KEY_FIELD **key_fields,uint and_level, COND *cond,
bool optimizable=0;
for (uint i=0; i<num_values; i++)
{
used_tables|=(*value)->used_tables();
if (!((*value)->used_tables() & (field->table->map | RAND_TABLE_BIT)))
used_tables|=(value[i])->used_tables();
if (!((value[i])->used_tables() & (field->table->map | RAND_TABLE_BIT)))
optimizable=1;
}
if (!optimizable)
......@@ -2820,8 +2836,8 @@ best_access_path(JOIN *join,
will match
*/
if (table->quick_keys.is_set(key) &&
table->quick_key_parts[key] <= max_key_part)
tmp = records = (double) table->quick_rows[key];
table->quick_key_parts[key] == max_key_part)
tmp= records= (double) table->quick_rows[key];
else
{
/* Check if we have statistic about the distribution */
......@@ -2862,7 +2878,15 @@ best_access_path(JOIN *join,
}
records = (ulong) tmp;
}
if (found_ref_or_null)
/*
If quick_select was used on a part of this key, we know
the maximum number of rows that the key can match.
*/
if (table->quick_keys.is_set(key) &&
table->quick_key_parts[key] <= max_key_part &&
records > (double) table->quick_rows[key])
tmp= records= (double) table->quick_rows[key];
else if (found_ref_or_null)
{
/* We need to do two key searches to find key */
tmp *= 2.0;
......@@ -3467,6 +3491,8 @@ best_extension_by_limited_search(JOIN *join,
uint heuristic)
{
THD *thd= join->thd;
if (thd->killed) // Abort
return;
DBUG_ENTER("best_extension_by_limited_search");
......@@ -3582,6 +3608,8 @@ find_best(JOIN *join,table_map rest_tables,uint idx,double record_count,
ha_rows rec;
double tmp;
THD *thd= join->thd;
if (thd->killed) // Abort
return;
if (!rest_tables)
{
......@@ -3590,7 +3618,8 @@ find_best(JOIN *join,table_map rest_tables,uint idx,double record_count,
read_time+=record_count/(double) TIME_FOR_COMPARE;
if (join->sort_by_table &&
join->sort_by_table != join->positions[join->const_tables].table->table)
join->sort_by_table !=
join->positions[join->const_tables].table->table)
read_time+=record_count; // We have to make a temp table
if (read_time < join->best_read)
{
......@@ -3762,7 +3791,7 @@ find_best(JOIN *join,table_map rest_tables,uint idx,double record_count,
will match
*/
if (table->quick_keys.is_set(key) &&
table->quick_key_parts[key] <= max_key_part)
table->quick_key_parts[key] == max_key_part)
tmp=records= (double) table->quick_rows[key];
else
{
......@@ -3804,7 +3833,15 @@ find_best(JOIN *join,table_map rest_tables,uint idx,double record_count,
}
records=(ulong) tmp;
}
if (found_ref_or_null)
/*
If quick_select was used on a part of this key, we know
the maximum number of rows that the key can match.
*/
if (table->quick_keys.is_set(key) &&
table->quick_key_parts[key] <= max_key_part &&
records > (double) table->quick_rows[key])
tmp= records= (double) table->quick_rows[key];
else if (found_ref_or_null)
{
/* We need to do two key searches to find key */
tmp*= 2.0;
......@@ -4203,8 +4240,12 @@ static bool create_ref_for_key(JOIN *join, JOIN_TAB *j, KEYUSE *org_keyuse,
keyuse,join->const_table_map,
&keyinfo->key_part[i],
(char*) key_buff,maybe_null);
/* Remmeber if we are going to use REF_OR_NULL */
if (keyuse->optimize & KEY_OPTIMIZE_REF_OR_NULL)
/*
Remeber if we are going to use REF_OR_NULL
But only if field _really_ can be null i.e. we force JT_REF
instead of JT_REF_OR_NULL in case if field can't be null
*/
if ((keyuse->optimize & KEY_OPTIMIZE_REF_OR_NULL) && maybe_null)
null_ref_key= key_buff;
key_buff+=keyinfo->key_part[i].store_length;
}
......@@ -4280,9 +4321,15 @@ store_val_in_field(Field *field,Item *item)
bool error;
THD *thd=current_thd;
ha_rows cuted_fields=thd->cuted_fields;
/*
we should restore old value of count_cuted_fields because
store_val_in_field can be called from mysql_insert
with select_insert, which make count_cuted_fields= 1
*/
enum_check_fields old_count_cuted_fields= thd->count_cuted_fields;
thd->count_cuted_fields= CHECK_FIELD_WARN;
error= item->save_in_field(field, 1);
thd->count_cuted_fields= CHECK_FIELD_IGNORE;
thd->count_cuted_fields= old_count_cuted_fields;
return error || cuted_fields != thd->cuted_fields;
}
......@@ -4339,7 +4386,9 @@ make_join_select(JOIN *join,SQL_SELECT *select,COND *cond)
table_map used_tables;
if (join->tables > 1)
cond->update_used_tables(); // Tablenr may have changed
if (join->const_tables == join->tables)
if (join->const_tables == join->tables &&
join->thd->lex->current_select->master_unit() ==
&join->thd->lex->unit) // not upper level SELECT
join->const_table_map|=RAND_TABLE_BIT;
{ // Check const tables
COND *const_cond=
......@@ -4374,6 +4423,7 @@ make_join_select(JOIN *join,SQL_SELECT *select,COND *cond)
tab->type=JT_ALL;
use_quick_range=1;
tab->use_quick=1;
tab->ref.key= -1;
tab->ref.key_parts=0; // Don't use ref key.
join->best_positions[i].records_read= rows2double(tab->quick->records);
}
......@@ -4441,7 +4491,9 @@ make_join_select(JOIN *join,SQL_SELECT *select,COND *cond)
{
/* Join with outer join condition */
COND *orig_cond=sel->cond;
sel->cond=and_conds(sel->cond,tab->on_expr);
sel->cond= and_conds(sel->cond, tab->on_expr);
if (sel->cond && !sel->cond->fixed)
sel->cond->fix_fields(join->thd, 0, &sel->cond);
if (sel->test_quick_select(join->thd, tab->keys,
used_tables & ~ current_map,
(join->select_options &
......@@ -4513,7 +4565,7 @@ static void
make_join_readinfo(JOIN *join, uint options)
{
uint i;
SELECT_LEX *select_lex= &join->thd->lex->select_lex;
bool statistics= test(!(join->select_options & SELECT_DESCRIBE));
DBUG_ENTER("make_join_readinfo");
for (i=join->const_tables ; i < join->tables ; i++)
......@@ -4607,6 +4659,7 @@ make_join_readinfo(JOIN *join, uint options)
{
join->thd->server_status|=SERVER_QUERY_NO_GOOD_INDEX_USED;
tab->read_first_record= join_init_quick_read_record;
if (statistics)
statistic_increment(select_range_check_count, &LOCK_status);
}
else
......@@ -4616,11 +4669,13 @@ make_join_readinfo(JOIN *join, uint options)
{
if (tab->select && tab->select->quick)
{
if (statistics)
statistic_increment(select_range_count, &LOCK_status);
}
else
{
join->thd->server_status|=SERVER_QUERY_NO_INDEX_USED;
if (statistics)
statistic_increment(select_scan_count, &LOCK_status);
}
}
......@@ -4628,11 +4683,13 @@ make_join_readinfo(JOIN *join, uint options)
{
if (tab->select && tab->select->quick)
{
if (statistics)
statistic_increment(select_full_range_join_count, &LOCK_status);
}
else
{
join->thd->server_status|=SERVER_QUERY_NO_INDEX_USED;
if (statistics)
statistic_increment(select_full_join_count, &LOCK_status);
}
}
......@@ -4777,9 +4834,7 @@ JOIN::join_free(bool full)
else
{
for (tab= join_tab, end= tab+tables; tab != end; tab++)
{
tab->cleanup();
}
table= 0;
}
}
......@@ -5011,7 +5066,7 @@ return_zero_rows(JOIN *join, select_result *result,TABLE_LIST *tables,
if (select_options & SELECT_DESCRIBE)
{
select_describe(join, false, false, false, info);
select_describe(join, FALSE, FALSE, FALSE, info);
DBUG_RETURN(0);
}
......@@ -5255,6 +5310,7 @@ propagate_cond_constants(I_List<COND_CMP> *save_list,COND *and_father,
SYNPOSIS
eliminate_not_funcs()
thd thread handler
cond condition tree
DESCRIPTION
......@@ -5271,7 +5327,7 @@ propagate_cond_constants(I_List<COND_CMP> *save_list,COND *and_father,
New condition tree
*/
COND *eliminate_not_funcs(COND *cond)
COND *eliminate_not_funcs(THD *thd, COND *cond)
{
if (!cond)
return cond;
......@@ -5281,7 +5337,7 @@ COND *eliminate_not_funcs(COND *cond)
Item *item;
while ((item= li++))
{
Item *new_item= eliminate_not_funcs(item);
Item *new_item= eliminate_not_funcs(thd, item);
if (item != new_item)
VOID(li.replace(new_item)); /* replace item with a new condition */
}
......@@ -5289,14 +5345,13 @@ COND *eliminate_not_funcs(COND *cond)
else if (cond->type() == Item::FUNC_ITEM && /* 'NOT' operation? */
((Item_func*) cond)->functype() == Item_func::NOT_FUNC)
{
COND *new_cond= ((Item_func*) cond)->arguments()[0]->neg_transformer();
COND *new_cond= ((Item_func*) cond)->arguments()[0]->neg_transformer(thd);
if (new_cond)
{
/*
Here we can delete the NOT function. Something like: delete cond;
But we don't need to do it. All items will be deleted later at once.
*/
new_cond->fix_fields(current_thd, 0, &new_cond);
cond= new_cond;
}
}
......@@ -5305,7 +5360,7 @@ COND *eliminate_not_funcs(COND *cond)
static COND *
optimize_cond(COND *conds,Item::cond_result *cond_value)
optimize_cond(THD *thd, COND *conds, Item::cond_result *cond_value)
{
DBUG_ENTER("optimize_cond");
if (!conds)
......@@ -5315,7 +5370,7 @@ optimize_cond(COND *conds,Item::cond_result *cond_value)
}
DBUG_EXECUTE("where",print_where(conds,"original"););
/* eliminate NOT operators */
conds= eliminate_not_funcs(conds);
conds= eliminate_not_funcs(thd, conds);
DBUG_EXECUTE("where", print_where(conds, "after negation elimination"););
/* change field = field to field = const for each found field = const */
propagate_cond_constants((I_List<COND_CMP> *) 0,conds,conds);
......@@ -5324,7 +5379,7 @@ optimize_cond(COND *conds,Item::cond_result *cond_value)
Remove all and-levels where CONST item != CONST item
*/
DBUG_EXECUTE("where",print_where(conds,"after const change"););
conds=remove_eq_conds(conds,cond_value) ;
conds= remove_eq_conds(thd, conds, cond_value) ;
DBUG_EXECUTE("info",print_where(conds,"after remove"););
DBUG_RETURN(conds);
}
......@@ -5339,7 +5394,7 @@ optimize_cond(COND *conds,Item::cond_result *cond_value)
*/
static COND *
remove_eq_conds(COND *cond,Item::cond_result *cond_value)
remove_eq_conds(THD *thd, COND *cond, Item::cond_result *cond_value)
{
if (cond->type() == Item::COND_ITEM)
{
......@@ -5353,7 +5408,7 @@ remove_eq_conds(COND *cond,Item::cond_result *cond_value)
Item *item;
while ((item=li++))
{
Item *new_item=remove_eq_conds(item,&tmp_cond_value);
Item *new_item=remove_eq_conds(thd, item, &tmp_cond_value);
if (!new_item)
li.remove();
else if (item != new_item)
......@@ -5387,7 +5442,7 @@ remove_eq_conds(COND *cond,Item::cond_result *cond_value)
}
}
if (should_fix_fields)
cond->fix_fields(current_thd,0, &cond);
cond->update_used_tables();
if (!((Item_cond*) cond)->argument_list()->elements ||
*cond_value != Item::COND_OK)
......@@ -5414,7 +5469,6 @@ remove_eq_conds(COND *cond,Item::cond_result *cond_value)
Item_func_isnull *func=(Item_func_isnull*) cond;
Item **args= func->arguments();
THD *thd=current_thd;
if (args[0]->type() == Item::FIELD_ITEM)
{
Field *field=((Item_field*) args[0])->field;
......@@ -5715,17 +5769,19 @@ Field *create_tmp_field(THD *thd, TABLE *table,Item *item, Item::Type type,
default:
// This case should never be choosen
DBUG_ASSERT(0);
thd->fatal_error();
return 0;
}
}
thd->fatal_error();
return 0; // Error
/* We never come here */
}
case Item::FIELD_ITEM:
case Item::DEFAULT_VALUE_ITEM:
return create_tmp_field_from_field(thd, (*from_field=
((Item_field*) item)->field),
{
Item_field *field= (Item_field*) item;
return create_tmp_field_from_field(thd, (*from_field= field->field),
item, table, modify_item);
}
case Item::FUNC_ITEM:
case Item::COND_ITEM:
case Item::FIELD_AVG_ITEM:
......@@ -6378,13 +6434,22 @@ free_tmp_table(THD *thd, TABLE *entry)
save_proc_info=thd->proc_info;
thd->proc_info="removing tmp table";
free_blobs(entry);
if (entry->db_stat && entry->file)
if (entry->file)
{
if (entry->db_stat)
{
(void) entry->file->close();
delete entry->file;
}
/*
We can't call ha_delete_table here as the table may created in mixed case
here and we have to ensure that delete_table gets the table name in
the original case.
*/
if (!(test_flags & TEST_KEEP_TMP_TABLES) || entry->db_type == DB_TYPE_HEAP)
(void) ha_delete_table(entry->db_type,entry->real_name);
entry->file->delete_table(entry->real_name);
delete entry->file;
}
/* free blobs */
for (Field **ptr=entry->field ; *ptr ; ptr++)
(*ptr)->free();
......@@ -6687,8 +6752,16 @@ sub_select(JOIN *join,JOIN_TAB *join_tab,bool end_of_records)
return 0;
}
else
{
/*
This row failed selection, release lock on it.
XXX: There is no table handler in MySQL which makes use of this
call. It's kept from Gemini times. A lot of new code was added
recently (i. e. subselects) without having it in mind.
*/
info->file->unlock_row();
}
}
} while (!(error=info->read_record(info)) && !(*report_error));
}
if (error > 0 || (*report_error)) // Fatal error
......@@ -6849,7 +6922,7 @@ join_read_const_table(JOIN_TAB *tab, POSITION *pos)
if (tab->on_expr && !table->null_row)
{
if ((table->null_row= test(tab->on_expr->val_int() == 0)))
empty_record(table);
mark_as_null_row(table);
}
if (!table->null_row)
table->maybe_null=0;
......@@ -7641,8 +7714,11 @@ static bool test_if_ref(Item_field *left_item,Item *right_item)
/*
We can remove binary fields and numerical fields except float,
as float comparison isn't 100 % secure
We have to keep binary strings to be able to check for end spaces
*/
if (field->binary() &&
field->real_type() != FIELD_TYPE_STRING &&
field->real_type() != FIELD_TYPE_VAR_STRING &&
(field->type() != FIELD_TYPE_FLOAT || field->decimals() == 0))
{
return !store_val_in_field(field,right_item);
......@@ -7655,7 +7731,7 @@ static bool test_if_ref(Item_field *left_item,Item *right_item)
static COND *
make_cond_for_table(COND *cond,table_map tables,table_map used_table)
make_cond_for_table(COND *cond, table_map tables, table_map used_table)
{
if (used_table && !(cond->used_tables() & used_table))
return (COND*) 0; // Already checked
......@@ -7681,7 +7757,13 @@ make_cond_for_table(COND *cond,table_map tables,table_map used_table)
case 1:
return new_cond->argument_list()->head();
default:
new_cond->used_tables_cache=((Item_cond*) cond)->used_tables_cache &
/*
Item_cond_and do not need fix_fields for execution, its parameters
are fixed or do not need fix_fields, too
*/
new_cond->quick_fix_field();
new_cond->used_tables_cache=
((Item_cond_and*) cond)->used_tables_cache &
tables;
return new_cond;
}
......@@ -7700,7 +7782,12 @@ make_cond_for_table(COND *cond,table_map tables,table_map used_table)
return (COND*) 0; // Always true
new_cond->argument_list()->push_back(fix);
}
new_cond->used_tables_cache=((Item_cond_or*) cond)->used_tables_cache;
/*
Item_cond_and do not need fix_fields for execution, its parameters
are fixed or do not need fix_fields, too
*/
new_cond->quick_fix_field();
new_cond->used_tables_cache= ((Item_cond_or*) cond)->used_tables_cache;
new_cond->top_level_item();
return new_cond;
}
......@@ -7929,7 +8016,7 @@ test_if_skip_sort_order(JOIN_TAB *tab,ORDER *order,ha_rows select_limit,
ref_key= -1;
/* Test if constant range in WHERE */
if (tab->ref.key >= 0)
if (tab->ref.key >= 0 && tab->ref.key_parts)
{
ref_key= tab->ref.key;
ref_key_parts= tab->ref.key_parts;
......@@ -8049,13 +8136,20 @@ test_if_skip_sort_order(JOIN_TAB *tab,ORDER *order,ha_rows select_limit,
*/
if (select_limit >= table->file->records)
{
keys=*table->file->keys_to_use_for_scanning();
keys= *table->file->keys_to_use_for_scanning();
keys.merge(table->used_keys);
}
else
keys.set_all();
/*
We are adding here also the index speified in FORCE INDEX clause,
if any.
This is to allow users to use index in ORDER BY.
*/
if (table->force_index)
keys.merge(table->keys_in_use_for_query);
keys.intersect(usable_keys);
}
else
keys= usable_keys;
for (nr=0; nr < table->keys ; nr++)
{
......@@ -8217,8 +8311,10 @@ static bool fix_having(JOIN *join, Item **having)
if (!table->select->cond)
table->select->cond=sort_table_cond;
else // This should never happen
if (!(table->select->cond=new Item_cond_and(table->select->cond,
sort_table_cond)))
if (!(table->select->cond= new Item_cond_and(table->select->cond,
sort_table_cond)) ||
table->select->cond->fix_fields(join->thd, join->tables_list,
&table->select->cond))
return 1;
table->select_cond=table->select->cond;
table->select_cond->top_level_item();
......@@ -8837,10 +8933,16 @@ find_order_in_list(THD *thd, Item **ref_pointer_array,
}
order->in_field_list=0;
Item *it= *order->item;
if (it->fix_fields(thd, tables, order->item) ||
//'it' ressigned because fix_field can change it
/*
We check it->fixed because Item_func_group_concat can put
arguments for which fix_fields already was called.
'it' reassigned in if condition because fix_field can change it.
*/
if (!it->fixed &&
(it->fix_fields(thd, tables, order->item) ||
(it= *order->item)->check_cols(1) ||
thd->is_fatal_error)
thd->is_fatal_error))
return 1; // Wrong field
uint el= all_fields.elements;
all_fields.push_front(it); // Add new field to field list
......@@ -8868,6 +8970,29 @@ int setup_order(THD *thd, Item **ref_pointer_array, TABLE_LIST *tables,
}
/*
Intitialize the GROUP BY list.
SYNOPSIS
setup_group()
thd Thread handler
ref_pointer_array We store references to all fields that was not in
'fields' here.
fields All fields in the select part. Any item in 'order'
that is part of these list is replaced by a pointer
to this fields.
all_fields Total list of all unique fields used by the select.
All items in 'order' that was not part of fields will
be added first to this list.
order The fields we should do GROUP BY on.
hidden_group_fields Pointer to flag that is set to 1 if we added any fields
to all_fields.
RETURN
0 ok
1 error (probably out of memory)
*/
int
setup_group(THD *thd, Item **ref_pointer_array, TABLE_LIST *tables,
List<Item> &fields, List<Item> &all_fields, ORDER *order,
......@@ -9247,12 +9372,11 @@ setup_copy_fields(THD *thd, TMP_TABLE_PARAM *param,
Item *pos;
List_iterator_fast<Item> li(all_fields);
Copy_field *copy;
DBUG_ENTER("setup_copy_fields");
res_selected_fields.empty();
res_all_fields.empty();
List_iterator_fast<Item> itr(res_all_fields);
uint i, border= all_fields.elements - elements;
DBUG_ENTER("setup_copy_fields");
if (!(copy=param->copy_field= new Copy_field[param->field_count]))
goto err2;
......@@ -9387,6 +9511,23 @@ bool JOIN::alloc_func_list()
}
/*
Initialize 'sum_funcs' array with all Item_sum objects
SYNOPSIS
make_sum_func_list()
field_list All items
send_fields Items in select list
before_group_by Set to 1 if this is called before GROUP BY handling
NOTES
Calls ::setup() for all item_sum objects in field_list
RETURN
0 ok
1 error
*/
bool JOIN::make_sum_func_list(List<Item> &field_list, List<Item> &send_fields,
bool before_group_by)
{
......@@ -9643,7 +9784,7 @@ static bool add_ref_to_table_cond(THD *thd, JOIN_TAB *join_tab)
Field *field=table->field[table->key_info[join_tab->ref.key].key_part[i].
fieldnr-1];
Item *value=join_tab->ref.items[i];
cond->add(new Item_func_equal(new Item_field(field),value));
cond->add(new Item_func_equal(new Item_field(field), value));
}
if (thd->is_fatal_error)
DBUG_RETURN(TRUE);
......@@ -9923,7 +10064,6 @@ static void select_describe(JOIN *join, bool need_tmp_table, bool need_order,
List<Item> field_list;
List<Item> item_list;
THD *thd=join->thd;
SELECT_LEX *select_lex= &join->thd->lex->select_lex;
select_result *result=join->result;
Item *item_null= new Item_null();
CHARSET_INFO *cs= &my_charset_latin1;
......@@ -10290,7 +10430,7 @@ void st_select_lex::print(THD *thd, String *str)
str->append(table->db);
str->append('.');
str->append(table->real_name);
if (strcmp(table->real_name, table->alias))
if (my_strcasecmp(table_alias_charset, table->real_name, table->alias))
{
str->append(' ');
str->append(table->alias);
......
sql/sql_select.h
View file @ f3dab7be
......@@ -438,4 +438,4 @@ bool cp_buffer_from_ref(TABLE_REF *ref);
bool error_if_full_join(JOIN *join);
int report_error(TABLE *table, int error);
int safe_index_read(JOIN_TAB *tab);
COND *eliminate_not_funcs(COND *cond);
COND *eliminate_not_funcs(THD *thd, COND *cond);
sql/sql_show.cc
View file @ f3dab7be
......@@ -31,9 +31,11 @@ static const char *grant_names[]={
"select","insert","update","delete","create","drop","reload","shutdown",
"process","file","grant","references","index","alter"};
#ifndef NO_EMBEDDED_ACCESS_CHECKS
static TYPELIB grant_types = { sizeof(grant_names)/sizeof(char **),
"grant_types",
grant_names};
#endif
static int mysql_find_files(THD *thd,List<char> *files, const char *db,
const char *path, const char *wild, bool dir);
......@@ -219,30 +221,32 @@ struct show_privileges_st {
const char *comment;
};
/*
TODO: Update with new privileges
*/
static struct show_privileges_st sys_privileges[]=
{
{"Select", "Tables", "To retrieve rows from table"},
{"Insert", "Tables", "To insert data into tables"},
{"Update", "Tables", "To update existing rows "},
{"Delete", "Tables", "To delete existing rows"},
{"Index", "Tables", "To create or drop indexes"},
{"Alter", "Tables", "To alter the table"},
{"Create temporary tables","Databases","To use CREATE TEMPORARY TABLE"},
{"Create", "Databases,Tables,Indexes", "To create new databases and tables"},
{"Delete", "Tables", "To delete existing rows"},
{"Drop", "Databases,Tables", "To drop databases and tables"},
{"Grant", "Databases,Tables", "To give to other users those privileges you possess"},
{"File", "File access on server", "To read and write files on the server"},
{"Grant option", "Databases,Tables", "To give to other users those privileges you possess"},
{"Index", "Tables", "To create or drop indexes"},
{"Insert", "Tables", "To insert data into tables"},
{"Lock tables","Databases","To use LOCK TABLES (together with SELECT privilege)"},
{"Process", "Server Admin", "To view the plain text of currently executing queries"},
{"References", "Databases,Tables", "To have references on tables"},
{"Reload", "Server Admin", "To reload or refresh tables, logs and privileges"},
{"Replication client","Server Admin","To ask where the slave or master servers are"},
{"Replication slave","Server Admin","To read binary log events from the master"},
{"Select", "Tables", "To retrieve rows from table"},
{"Show databases","Server Admin","To see all databases with SHOW DATABASES"},
{"Shutdown","Server Admin", "To shutdown the server"},
{"Process", "Server Admin", "To view the plain text of currently executing queries"},
{"File", "File access on server", "To read and write files on the server"},
{"Super","Server Admin","To use KILL thread, SET GLOBAL, CHANGE MASTER, etc."},
{"Update", "Tables", "To update existing rows"},
{"Usage","Server Admin","No privileges - allow connect only"},
{NullS, NullS, NullS}
};
int mysqld_show_privileges(THD *thd)
{
List<Item> field_list;
......@@ -365,7 +369,9 @@ mysql_find_files(THD *thd,List<char> *files, const char *db,const char *path,
char *ext;
MY_DIR *dirp;
FILEINFO *file;
#ifndef NO_EMBEDDED_ACCESS_CHECKS
uint col_access=thd->col_access;
#endif
TABLE_LIST table_list;
DBUG_ENTER("mysql_find_files");
......@@ -692,17 +698,11 @@ mysqld_show_fields(THD *thd, TABLE_LIST *table_list,const char *wild,
if (!wild || !wild[0] ||
!wild_case_compare(system_charset_info, field->field_name,wild))
{
#ifdef NOT_USED
if (thd->col_access & TABLE_ACLS ||
! check_grant_column(thd,table,field->field_name,
(uint) strlen(field->field_name),1))
#endif
{
byte *pos;
uint flags=field->flags;
String type(tmp,sizeof(tmp), system_charset_info);
uint col_access;
bool null_default_value=0;
protocol->prepare_for_resend();
protocol->store(field->field_name, system_charset_info);
......@@ -711,6 +711,12 @@ mysqld_show_fields(THD *thd, TABLE_LIST *table_list,const char *wild,
if (verbose)
protocol->store(field->has_charset() ? field->charset()->name : "NULL",
system_charset_info);
/*
Altough TIMESTAMP fields can't contain NULL as its value they
will accept NULL if you will try to insert such value and will
convert it to current TIMESTAMP. So YES here means that NULL
is allowed for assignment but can't be returned.
*/
pos=(byte*) ((flags & NOT_NULL_FLAG) &&
field->type() != FIELD_TYPE_TIMESTAMP ?
"" : "YES");
......@@ -720,16 +726,24 @@ mysqld_show_fields(THD *thd, TABLE_LIST *table_list,const char *wild,
(field->flags & MULTIPLE_KEY_FLAG) ? "MUL":"");
protocol->store((char*) pos, system_charset_info);
if (field->type() == FIELD_TYPE_TIMESTAMP ||
field->unireg_check == Field::NEXT_NUMBER)
null_default_value=1;
if (!null_default_value && !field->is_null())
if (table->timestamp_field == field &&
field->unireg_check != Field::TIMESTAMP_UN_FIELD)
{
/*
We have NOW() as default value but we use CURRENT_TIMESTAMP form
because it is more SQL standard comatible
*/
protocol->store("CURRENT_TIMESTAMP", system_charset_info);
}
else if (field->unireg_check != Field::NEXT_NUMBER &&
!field->is_null())
{ // Not null by default
type.set(tmp, sizeof(tmp), field->charset());
field->val_str(&type,&type);
protocol->store(type.ptr(),type.length(),type.charset());
}
else if (field->maybe_null() || null_default_value)
else if (field->unireg_check == Field::NEXT_NUMBER ||
field->maybe_null())
protocol->store_null(); // Null as default
else
protocol->store("",0, system_charset_info); // empty string
......@@ -819,7 +833,9 @@ int mysqld_show_create_db(THD *thd, char *dbname,
char path[FN_REFLEN];
char buff[2048];
String buffer(buff, sizeof(buff), system_charset_info);
#ifndef NO_EMBEDDED_ACCESS_CHECKS
uint db_access;
#endif
bool found_libchar;
HA_CREATE_INFO create;
uint create_options = create_info ? create_info->options : 0;
......@@ -916,7 +932,7 @@ mysqld_show_logs(THD *thd)
DBUG_RETURN(1);
#ifdef HAVE_BERKELEY_DB
if (!berkeley_skip && berkeley_show_logs(protocol))
if ((have_berkeley_db == SHOW_OPTION_YES) && berkeley_show_logs(protocol))
DBUG_RETURN(-1);
#endif
......@@ -995,9 +1011,8 @@ mysqld_show_keys(THD *thd, TABLE_LIST *table_list)
protocol->store_null();
/* Check if we have a key part that only uses part of the field */
if (!key_part->field ||
key_part->length !=
table->field[key_part->fieldnr-1]->key_length())
if (!(key_info->flags & HA_FULLTEXT) && (!key_part->field ||
key_part->length != table->field[key_part->fieldnr-1]->key_length()))
protocol->store_tiny((longlong) key_part->length);
else
protocol->store_null();
......@@ -1085,100 +1100,85 @@ mysqld_dump_create_info(THD *thd, TABLE *table, int fd)
DBUG_RETURN(0);
}
static inline const char *require_quotes(const char *name, uint length)
{
uint i, d, c;
for (i=0; i<length; i+=d)
{
c=((uchar *)name)[i];
d=my_mbcharlen(system_charset_info, c);
if (d==1 && !system_charset_info->ident_map[c])
return name+i;
}
return 0;
}
/*
Looking for char in multibyte string
Go through all character combinations and ensure that sql_lex.cc can
parse it as an identifer.
SYNOPSIS
look_for_char()
name string for looking at
length length of name
q '\'' or '\"' for looking for
RETURN VALUES
# pointer to found char in string
0 string doesn't contain required char
require_quotes()
name attribute name
name_length length of name
RETURN
# Pointer to conflicting character
0 No conflicting character
*/
static inline const char *look_for_char(const char *name,
uint length, char q)
static const char *require_quotes(const char *name, uint name_length)
{
const char *cur= name;
const char *end= cur+length;
uint symbol_length;
for (; cur<end; cur+= symbol_length)
uint length;
const char *end= name + name_length;
for ( ; name < end ; name++)
{
char c= *cur;
symbol_length= my_mbcharlen(system_charset_info, c);
if (symbol_length==1 && c==q)
return cur;
uchar chr= (uchar) *name;
length= my_mbcharlen(system_charset_info, chr);
if (length == 1 && !system_charset_info->ident_map[chr])
return name;
}
return 0;
}
static void append_quoted_simple_identifier(String *packet, char quote_char,
const char *name, uint length)
{
packet->append(&quote_char, 1, system_charset_info);
packet->append(name, length, system_charset_info);
packet->append(&quote_char, 1, system_charset_info);
}
void
append_identifier(THD *thd, String *packet, const char *name, uint length)
{
char qtype;
uint part_len;
const char *qplace;
const char *name_end;
char quote_char;
if (thd->variables.sql_mode & MODE_ANSI_QUOTES)
qtype= '\"';
quote_char= '\"';
else
qtype= '`';
quote_char= '`';
if (is_keyword(name,length))
{
packet->append(&qtype, 1, system_charset_info);
packet->append(name, length, system_charset_info);
packet->append(&qtype, 1, system_charset_info);
append_quoted_simple_identifier(packet, quote_char, name, length);
return;
}
else
{
if (!(qplace= require_quotes(name, length)))
if (!require_quotes(name, length))
{
if (!(thd->options & OPTION_QUOTE_SHOW_CREATE))
packet->append(name, length, system_charset_info);
else
{
packet->append(&qtype, 1, system_charset_info);
packet->append(name, length, system_charset_info);
packet->append(&qtype, 1, system_charset_info);
}
append_quoted_simple_identifier(packet, quote_char, name, length);
return;
}
else
{
packet->shrink(packet->length()+length+2);
packet->append(&qtype, 1, system_charset_info);
if (*qplace != qtype)
qplace= look_for_char(qplace+1,length-(qplace-name)-1,qtype);
while (qplace)
{
if ((part_len= qplace-name))
/* The identifier must be quoted as it includes a quote character */
packet->reserve(length*2 + 2);
packet->append(&quote_char, 1, system_charset_info);
for (name_end= name+length ; name < name_end ; name+= length)
{
packet->append(name, part_len, system_charset_info);
length-= part_len;
}
packet->append(qplace, 1, system_charset_info);
name= qplace;
qplace= look_for_char(name+1,length-1,qtype);
}
packet->append(name, length, system_charset_info);
packet->append(&qtype, 1, system_charset_info);
}
char chr= *name;
length= my_mbcharlen(system_charset_info, chr);
if (length == 1 && chr == quote_char)
packet->append(&quote_char, 1, system_charset_info);
packet->append(name, length, packet->charset());
}
packet->append(&quote_char, 1, system_charset_info);
}
......@@ -1206,7 +1206,7 @@ static int
store_create_info(THD *thd, TABLE *table, String *packet)
{
List<Item> field_list;
char tmp[MAX_FIELD_WIDTH], *for_str, buff[128], *end;
char tmp[MAX_FIELD_WIDTH], *for_str, buff[128], *end, *alias;
String type(tmp, sizeof(tmp),&my_charset_bin);
Field **ptr,*field;
uint primary_key;
......@@ -1232,12 +1232,15 @@ store_create_info(THD *thd, TABLE *table, String *packet)
packet->append("CREATE TEMPORARY TABLE ", 23);
else
packet->append("CREATE TABLE ", 13);
append_identifier(thd,packet, table->real_name, strlen(table->real_name));
alias= (lower_case_table_names == 2 ? table->table_name :
table->real_name);
append_identifier(thd, packet, alias, strlen(alias));
packet->append(" (\n", 3);
for (ptr=table->field ; (field= *ptr); ptr++)
{
bool has_default;
bool has_now_default;
uint flags = field->flags;
if (ptr != table->field)
......@@ -1253,11 +1256,7 @@ store_create_info(THD *thd, TABLE *table, String *packet)
field->sql_type(type);
packet->append(type.ptr(),type.length());
if (field->has_charset())
{
if (field->charset() == &my_charset_bin)
packet->append(" binary", 7);
else if (!limited_mysql_mode && !foreign_db_mode)
if (field->has_charset() && !limited_mysql_mode && !foreign_db_mode)
{
if (field->charset() != table->table_charset)
{
......@@ -1274,19 +1273,29 @@ store_create_info(THD *thd, TABLE *table, String *packet)
packet->append(field->charset()->name);
}
}
}
if (flags & NOT_NULL_FLAG)
packet->append(" NOT NULL", 9);
/*
Again we are using CURRENT_TIMESTAMP instead of NOW because it is
more standard
*/
has_now_default= table->timestamp_field == field &&
field->unireg_check != Field::TIMESTAMP_UN_FIELD;
has_default= (field->type() != FIELD_TYPE_BLOB &&
field->type() != FIELD_TYPE_TIMESTAMP &&
field->unireg_check != Field::NEXT_NUMBER);
field->unireg_check != Field::NEXT_NUMBER &&
!((foreign_db_mode || limited_mysql_mode) &&
has_now_default));
if (has_default)
{
packet->append(" default ", 9);
if (!field->is_null())
if (has_now_default)
packet->append("CURRENT_TIMESTAMP",17);
else if (!field->is_null())
{ // Not null by default
type.set(tmp, sizeof(tmp), field->charset());
field->val_str(&type,&type);
......@@ -1307,6 +1316,11 @@ store_create_info(THD *thd, TABLE *table, String *packet)
packet->append(tmp,0);
}
if (!foreign_db_mode && !limited_mysql_mode &&
table->timestamp_field == field &&
field->unireg_check != Field::TIMESTAMP_DN_FIELD)
packet->append(" on update CURRENT_TIMESTAMP",28);
if (field->unireg_check == Field::NEXT_NUMBER && !foreign_db_mode)
packet->append(" auto_increment", 15 );
......@@ -1814,10 +1828,10 @@ int mysqld_show(THD *thd, const char *wild, show_var_st *variables,
break;
case SHOW_SLAVE_RUNNING:
{
LOCK_ACTIVE_MI;
pthread_mutex_lock(&LOCK_active_mi);
end= strmov(buff, (active_mi->slave_running &&
active_mi->rli.slave_running) ? "ON" : "OFF");
UNLOCK_ACTIVE_MI;
pthread_mutex_unlock(&LOCK_active_mi);
break;
}
#endif /* HAVE_REPLICATION */
......
sql/sql_test.cc
View file @ f3dab7be
......@@ -402,10 +402,14 @@ static void display_table_locks(void)
THR_LOCK *lock=(THR_LOCK*) list->data;
VOID(pthread_mutex_lock(&lock->mutex));
push_locks_into_array(&saved_table_locks, lock->write.data, false, "Locked - write");
push_locks_into_array(&saved_table_locks, lock->write_wait.data, true, "Waiting - write");
push_locks_into_array(&saved_table_locks, lock->read.data, false, "Locked - read");
push_locks_into_array(&saved_table_locks, lock->read_wait.data, true, "Waiting - read");
push_locks_into_array(&saved_table_locks, lock->write.data, FALSE,
"Locked - write");
push_locks_into_array(&saved_table_locks, lock->write_wait.data, TRUE,
"Waiting - write");
push_locks_into_array(&saved_table_locks, lock->read.data, FALSE,
"Locked - read");
push_locks_into_array(&saved_table_locks, lock->read_wait.data, TRUE,
"Waiting - read");
VOID(pthread_mutex_unlock(&lock->mutex));
}
VOID(pthread_mutex_unlock(&THR_LOCK_lock));
......
sql/structs.h
View file @ f3dab7be
......@@ -20,11 +20,21 @@
struct st_table;
class Field;
typedef struct lex_string {
typedef struct st_lex_string
{
char *str;
uint length;
} LEX_STRING;
typedef struct st_lex_string_with_init :public st_lex_string
{
st_lex_string_with_init(const char *str_arg, uint length_arg)
{
str= (char*) str_arg;
length= length_arg;
}
} LEX_STRING_WITH_INIT;
typedef struct st_date_time_format {
uchar positions[8];
......@@ -210,7 +220,7 @@ typedef struct user_conn {
#define REG_NEW_RECORD 2 /* Write a new record if not found */
#define REG_UPDATE 4 /* Uppdate record */
#define REG_DELETE 8 /* Delete found record */
#define REG_PROG 16 /* User is updateing database */
#define REG_PROG 16 /* User is updating database */
#define REG_CLEAR_AFTER_WRITE 32
#define REG_MAY_BE_UPDATED 64
#define REG_AUTO_UPDATE 64 /* Used in D-forms for scroll-tables */
......
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