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Commit 0c5b323d authored by bell@sanja.is.com.ua's avatar bell@sanja.is.com.ua
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fixed bugs in temporary tables in subselect implementation (SCRUM) 

merging with switching on static tables optimization (SCRUM)
fixed subselects with uncacheable results
added test for fixed bugs from bugreports
parent 5469c014
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Showing with 246 additions and 52 deletions
mysql-test/r/subselect.result
View file @ 0c5b323d
......@@ -278,7 +278,7 @@ NULL 1
explain select (select a from t1 where t1.a=t2.a union select a from t5 where t5.a=t2.a), a from t2;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 ALL NULL NULL NULL NULL 2
2 DEPENDENT SUBSELECT t1 system NULL NULL NULL NULL 1 Using where
2 DEPENDENT SUBSELECT t1 system NULL NULL NULL NULL 1
3 DEPENDENT UNION t5 ALL NULL NULL NULL NULL 2 Using where
select (select a from t1 where t1.a=t2.a union all select a from t5 where t5.a=t2.a), a from t2;
Subselect returns more than 1 record
......@@ -321,9 +321,9 @@ INSERT INTO t8 (pseudo,email) VALUES ('2joce1','2test1');
EXPLAIN SELECT pseudo,(SELECT email FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce')) FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce');
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t8 const PRIMARY PRIMARY 35 const 1
4 SUBSELECT t8 const PRIMARY PRIMARY 35 const 1
4 SUBSELECT t8 const PRIMARY PRIMARY 35 1
2 SUBSELECT t8 const PRIMARY PRIMARY 35 const 1
3 SUBSELECT t8 const PRIMARY PRIMARY 35 const 1
3 SUBSELECT t8 const PRIMARY PRIMARY 35 1
SELECT pseudo FROM t8 WHERE pseudo=(SELECT pseudo,email FROM
t8 WHERE pseudo='joce');
Cardinality error (more/less than 1 columns)
......@@ -397,33 +397,51 @@ SELECT (SELECT 1) as a FROM (SELECT 1 FROM t1 HAVING a=1) b;
Unknown column 'a' in 'having clause'
SELECT 1 IN (SELECT 1 FROM t2 HAVING a);
Unknown column 'a' in 'having clause'
SELECT * from t2 where topic IN (SELECT topic FROM t2 GROUP BY date);
SELECT * from t2 where topic IN (SELECT topic FROM t2 GROUP BY topic);
mot topic date pseudo
joce 40143 2002-10-22 joce
SELECT * from t2 where topic IN (SELECT topic FROM t2 GROUP BY date HAVING topic < 4100);
joce 43506 2002-10-22 joce
SELECT * from t2 where topic IN (SELECT topic FROM t2 GROUP BY topic HAVING topic < 4100);
mot topic date pseudo
SELECT * from t2 where topic IN (SELECT SUM(topic) FROM t1);
mot topic date pseudo
SELECT * from t2 where topic = any (SELECT topic FROM t2 GROUP BY date);
SELECT * from t2 where topic = any (SELECT topic FROM t2 GROUP BY topic);
mot topic date pseudo
joce 40143 2002-10-22 joce
SELECT * from t2 where topic = any (SELECT topic FROM t2 GROUP BY date HAVING topic < 4100);
joce 43506 2002-10-22 joce
SELECT * from t2 where topic = any (SELECT topic FROM t2 GROUP BY topic HAVING topic < 4100);
mot topic date pseudo
SELECT * from t2 where topic = any (SELECT SUM(topic) FROM t1);
mot topic date pseudo
SELECT * from t2 where topic = all (SELECT topic FROM t2 GROUP BY date);
SELECT * from t2 where topic = all (SELECT topic FROM t2 GROUP BY topic);
mot topic date pseudo
joce 40143 2002-10-22 joce
SELECT * from t2 where topic = all (SELECT topic FROM t2 GROUP BY date HAVING topic < 4100);
SELECT * from t2 where topic = all (SELECT topic FROM t2 GROUP BY topic HAVING topic < 4100);
mot topic date pseudo
joce 40143 2002-10-22 joce
joce 43506 2002-10-22 joce
SELECT *, topic = all (SELECT topic FROM t2 GROUP BY topic HAVING topic < 4100) from t2;
mot topic date pseudo topic = all (SELECT topic FROM t2 GROUP BY topic HAVING topic < 4100)
joce 40143 2002-10-22 joce 1
joce 43506 2002-10-22 joce 1
SELECT * from t2 where topic = all (SELECT SUM(topic) FROM t2);
mot topic date pseudo
SELECT * from t2 where topic <> any (SELECT SUM(topic) FROM t2);
mot topic date pseudo
joce 40143 2002-10-22 joce
joce 43506 2002-10-22 joce
SELECT * from t2 where topic IN (SELECT topic FROM t2 GROUP BY topic HAVING topic < 41000);
mot topic date pseudo
joce 40143 2002-10-22 joce
SELECT * from t2 where topic = any (SELECT topic FROM t2 GROUP BY topic HAVING topic < 41000);
mot topic date pseudo
joce 40143 2002-10-22 joce
SELECT * from t2 where topic = all (SELECT topic FROM t2 GROUP BY topic HAVING topic < 41000);
mot topic date pseudo
joce 40143 2002-10-22 joce
SELECT *, topic = all (SELECT topic FROM t2 GROUP BY topic HAVING topic < 41000) from t2;
mot topic date pseudo topic = all (SELECT topic FROM t2 GROUP BY topic HAVING topic < 41000)
joce 40143 2002-10-22 joce 1
joce 43506 2002-10-22 joce 0
drop table t1,t2;
CREATE TABLE `t1` (
`numeropost` mediumint(8) unsigned NOT NULL auto_increment,
......@@ -850,3 +868,86 @@ do (SELECT a from t1);
Table 'test.t1' doesn't exist
set @a:=(SELECT a from t1);
Table 'test.t1' doesn't exist
CREATE TABLE t1 (a int, KEY(a));
HANDLER t1 OPEN;
HANDLER t1 READ a=((SELECT 1));
You have an error in your SQL syntax. Check the manual that corresponds to your MySQL server version for the right syntax to use
HANDLER t1 CLOSE;
drop table t1;
create table t1 (a int);
create table t2 (b int);
insert into t1 values (1),(2);
insert into t2 values (1);
select a from t1 where a in (select a from t1 where a in (select b from t2));
a
1
drop table t1, t2;
create table t1 (a int, b int);
create table t2 like t1;
insert into t1 values (1,2),(1,3),(1,4),(1,5);
insert into t2 values (1,2),(1,3);
select * from t1 where row(a,b) in (select a,b from t2);
a b
1 2
1 3
drop table t1, t2;
CREATE TABLE `t1` (`i` int(11) NOT NULL default '0',PRIMARY KEY (`i`)) TYPE=MyISAM CHARSET=latin1;
INSERT INTO t1 VALUES (1);
UPDATE t1 SET i=i+1 WHERE i=(SELECT MAX(i));
Invalid use of group function
drop table t1;
CREATE TABLE t (a int(1));
EXPLAIN SELECT (SELECT RAND() FROM t) FROM t;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t system NULL NULL NULL NULL 0 const row not found
2 UNCACHEABLE SUBSELECT t system NULL NULL NULL NULL 0 const row not found
EXPLAIN SELECT (SELECT ENCRYPT('test') FROM t) FROM t;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t system NULL NULL NULL NULL 0 const row not found
2 UNCACHEABLE SUBSELECT t system NULL NULL NULL NULL 0 const row not found
EXPLAIN SELECT (SELECT BENCHMARK(1,1) FROM t) FROM t;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t system NULL NULL NULL NULL 0 const row not found
2 UNCACHEABLE SUBSELECT t system NULL NULL NULL NULL 0 const row not found
drop table t;
CREATE TABLE `t1` (
`mot` varchar(30) character set latin1 NOT NULL default '',
`topic` mediumint(8) unsigned NOT NULL default '0',
`date` date NOT NULL default '0000-00-00',
`pseudo` varchar(35) character set latin1 NOT NULL default '',
PRIMARY KEY (`mot`,`pseudo`,`date`,`topic`),
KEY `pseudo` (`pseudo`,`date`,`topic`),
KEY `topic` (`topic`)
) TYPE=MyISAM CHARSET=latin1 ROW_FORMAT=DYNAMIC;
CREATE TABLE `t2` (
`mot` varchar(30) character set latin1 NOT NULL default '',
`topic` mediumint(8) unsigned NOT NULL default '0',
`date` date NOT NULL default '0000-00-00',
`pseudo` varchar(35) character set latin1 NOT NULL default '',
PRIMARY KEY (`mot`,`pseudo`,`date`,`topic`),
KEY `pseudo` (`pseudo`,`date`,`topic`),
KEY `topic` (`topic`)
) TYPE=MyISAM CHARSET=latin1 ROW_FORMAT=DYNAMIC;
CREATE TABLE `t3` (
`numeropost` mediumint(8) unsigned NOT NULL auto_increment,
`maxnumrep` int(10) unsigned NOT NULL default '0',
PRIMARY KEY (`numeropost`),
UNIQUE KEY `maxnumrep` (`maxnumrep`)
) TYPE=MyISAM CHARSET=latin1;
INSERT INTO t1 VALUES ('joce','1','','joce'),('test','2','','test');
INSERT INTO t2 VALUES ('joce','1','','joce'),('test','2','','test');
INSERT INTO t3 VALUES (1,1);
SELECT DISTINCT topic FROM t2 WHERE NOT EXISTS(SELECT * FROM t3 WHERE
numeropost=topic);
topic
2
select * from t1;
mot topic date pseudo
joce 1 0000-00-00 joce
test 2 0000-00-00 test
DELETE FROM t1 WHERE topic IN (SELECT DISTINCT topic FROM t2 WHERE NOT
EXISTS(SELECT * FROM t3 WHERE numeropost=topic));
select * from t1;
mot topic date pseudo
joce 1 0000-00-00 joce
drop table t1, t2, t3;
mysql-test/t/subselect.test
View file @ 0c5b323d
......@@ -215,13 +215,13 @@ SELECT * from t2 where topic = any (SELECT topic FROM t2 GROUP BY topic HAVING t
SELECT * from t2 where topic = any (SELECT SUM(topic) FROM t1);
SELECT * from t2 where topic = all (SELECT topic FROM t2 GROUP BY topic);
SELECT * from t2 where topic = all (SELECT topic FROM t2 GROUP BY topic HAVING topic < 4100);
SELECT topic FROM t2 GROUP BY topic HAVING topic < 4100;
SELECT *, topic = all (SELECT topic FROM t2 GROUP BY topic HAVING topic < 4100) from t2;
SELECT * from t2 where topic = all (SELECT SUM(topic) FROM t2);
SELECT * from t2 where topic <> any (SELECT SUM(topic) FROM t2);
delete from t2 where topic=40143;
SELECT *, topic = all (SELECT topic FROM t2 GROUP BY topic HAVING topic < 4100) from t2;
SELECT *, topic as fff, exists (SELECT topic FROM t2 GROUP BY topic HAVING topic < 4100 and fff = topic) from t2;
SELECT * from t2 where topic IN (SELECT topic FROM t2 GROUP BY topic HAVING topic < 41000);
SELECT * from t2 where topic = any (SELECT topic FROM t2 GROUP BY topic HAVING topic < 41000);
SELECT * from t2 where topic = all (SELECT topic FROM t2 GROUP BY topic HAVING topic < 41000);
SELECT *, topic = all (SELECT topic FROM t2 GROUP BY topic HAVING topic < 41000) from t2;
drop table t1,t2;
#forumconthardwarefr7
......@@ -483,3 +483,79 @@ drop table t1;
do (SELECT a from t1);
-- error 1146
set @a:=(SELECT a from t1);
CREATE TABLE t1 (a int, KEY(a));
HANDLER t1 OPEN;
-- error 1149
HANDLER t1 READ a=((SELECT 1));
HANDLER t1 CLOSE;
drop table t1;
create table t1 (a int);
create table t2 (b int);
insert into t1 values (1),(2);
insert into t2 values (1);
select a from t1 where a in (select a from t1 where a in (select b from t2));
drop table t1, t2;
create table t1 (a int, b int);
create table t2 like t1;
insert into t1 values (1,2),(1,3),(1,4),(1,5);
insert into t2 values (1,2),(1,3);
select * from t1 where row(a,b) in (select a,b from t2);
drop table t1, t2;
CREATE TABLE `t1` (`i` int(11) NOT NULL default '0',PRIMARY KEY (`i`)) TYPE=MyISAM CHARSET=latin1;
INSERT INTO t1 VALUES (1);
-- error 1111
UPDATE t1 SET i=i+1 WHERE i=(SELECT MAX(i));
drop table t1;
#test of uncacheable subqueries
CREATE TABLE t (a int(1));
EXPLAIN SELECT (SELECT RAND() FROM t) FROM t;
EXPLAIN SELECT (SELECT ENCRYPT('test') FROM t) FROM t;
EXPLAIN SELECT (SELECT BENCHMARK(1,1) FROM t) FROM t;
drop table t;
CREATE TABLE `t1` (
`mot` varchar(30) character set latin1 NOT NULL default '',
`topic` mediumint(8) unsigned NOT NULL default '0',
`date` date NOT NULL default '0000-00-00',
`pseudo` varchar(35) character set latin1 NOT NULL default '',
PRIMARY KEY (`mot`,`pseudo`,`date`,`topic`),
KEY `pseudo` (`pseudo`,`date`,`topic`),
KEY `topic` (`topic`)
) TYPE=MyISAM CHARSET=latin1 ROW_FORMAT=DYNAMIC;
CREATE TABLE `t2` (
`mot` varchar(30) character set latin1 NOT NULL default '',
`topic` mediumint(8) unsigned NOT NULL default '0',
`date` date NOT NULL default '0000-00-00',
`pseudo` varchar(35) character set latin1 NOT NULL default '',
PRIMARY KEY (`mot`,`pseudo`,`date`,`topic`),
KEY `pseudo` (`pseudo`,`date`,`topic`),
KEY `topic` (`topic`)
) TYPE=MyISAM CHARSET=latin1 ROW_FORMAT=DYNAMIC;
CREATE TABLE `t3` (
`numeropost` mediumint(8) unsigned NOT NULL auto_increment,
`maxnumrep` int(10) unsigned NOT NULL default '0',
PRIMARY KEY (`numeropost`),
UNIQUE KEY `maxnumrep` (`maxnumrep`)
) TYPE=MyISAM CHARSET=latin1;
INSERT INTO t1 VALUES ('joce','1','','joce'),('test','2','','test');
INSERT INTO t2 VALUES ('joce','1','','joce'),('test','2','','test');
INSERT INTO t3 VALUES (1,1);
SELECT DISTINCT topic FROM t2 WHERE NOT EXISTS(SELECT * FROM t3 WHERE
numeropost=topic);
select * from t1;
DELETE FROM t1 WHERE topic IN (SELECT DISTINCT topic FROM t2 WHERE NOT
EXISTS(SELECT * FROM t3 WHERE numeropost=topic));
select * from t1;
drop table t1, t2, t3;
\ No newline at end of file
sql/item_create.cc
View file @ 0c5b323d
......@@ -167,7 +167,7 @@ Item *create_func_from_days(Item* a)
Item *create_func_get_lock(Item* a, Item *b)
{
current_thd->lex.safe_to_cache_query=0;
current_thd->lex.uncacheable();
return new Item_func_get_lock(a, b);
}
......@@ -327,7 +327,7 @@ Item *create_func_radians(Item *a)
Item *create_func_release_lock(Item* a)
{
current_thd->lex.safe_to_cache_query=0;
current_thd->lex.uncacheable();
return new Item_func_release_lock(a);
}
......@@ -435,13 +435,13 @@ Item *create_func_year(Item* a)
Item *create_load_file(Item* a)
{
current_thd->lex.safe_to_cache_query=0;
current_thd->lex.uncacheable();
return new Item_load_file(a);
}
Item *create_wait_for_master_pos(Item* a, Item* b)
{
current_thd->lex.safe_to_cache_query=0;
current_thd->lex.uncacheable();
return new Item_master_pos_wait(a, b);
}
......@@ -463,7 +463,7 @@ Item *create_func_cast(Item *a, Item_cast cast_type)
Item *create_func_is_free_lock(Item* a)
{
current_thd->lex.safe_to_cache_query=0;
current_thd->lex.uncacheable();
return new Item_func_is_free_lock(a);
}
......
sql/item_func.cc
View file @ 0c5b323d
......@@ -2544,7 +2544,7 @@ Item *get_system_var(enum_var_type var_type, LEX_STRING name)
}
if (!(item=var->item(thd, var_type)))
return 0; // Impossible
thd->lex.safe_to_cache_query=0;
thd->lex.uncacheable();
buff[0]='@';
buff[1]='@';
pos=buff+2;
......@@ -2570,7 +2570,7 @@ Item *get_system_var(enum_var_type var_type, const char *var_name, uint length,
DBUG_ASSERT(var != 0);
if (!(item=var->item(thd, var_type)))
return 0; // Impossible
thd->lex.safe_to_cache_query=0;
thd->lex.uncacheable();
item->set_name(item_name); // Will use original name
return item;
}
......
sql/item_subselect.cc
View file @ 0c5b323d
......@@ -129,7 +129,8 @@ void Item_subselect::fix_length_and_dec()
inline table_map Item_subselect::used_tables() const
{
return (table_map) engine->depended() ? 1L : 0L;
return (table_map) (engine->dependent() ? 1L :
(engine->uncacheable() ? RAND_TABLE_BIT : 0L));
}
Item_singlerow_subselect::Item_singlerow_subselect(THD *thd,
......@@ -795,7 +796,7 @@ int subselect_single_select_engine::exec()
DBUG_RETURN(join->error?join->error:1);
}
}
if (select_lex->dependent && executed)
if ((select_lex->dependent || select_lex->uncacheable) && executed)
{
if (join->reinit())
{
......@@ -837,16 +838,26 @@ uint subselect_union_engine::cols()
return unit->first_select()->item_list.elements;
}
bool subselect_single_select_engine::depended()
bool subselect_single_select_engine::dependent()
{
return select_lex->dependent;
}
bool subselect_union_engine::depended()
bool subselect_union_engine::dependent()
{
return unit->dependent;
}
bool subselect_single_select_engine::uncacheable()
{
return select_lex->uncacheable;
}
bool subselect_union_engine::uncacheable()
{
return unit->uncacheable;
}
bool subselect_single_select_engine::check_loop(uint id)
{
DBUG_ENTER("subselect_single_select_engine::check_loop");
......@@ -865,13 +876,9 @@ bool subselect_union_engine::check_loop(uint id)
void subselect_single_select_engine::exclude()
{
select_lex->master_unit()->exclude_level();
//if (current_thd->lex->describe)
}
void subselect_union_engine::exclude()
{
unit->exclude_level();
// for (SELECT_LEX *sl= unit->first_select(); sl; sl= sl->next_select())
// if (sl->join && sl->join->check_loop(id))
// DBUG_RETURN(1);
}
sql/item_subselect.h
View file @ 0c5b323d
......@@ -223,7 +223,8 @@ public:
virtual void fix_length_and_dec(Item_cache** row)= 0;
virtual int exec()= 0;
virtual uint cols()= 0; /* return number of columnss in select */
virtual bool depended()= 0; /* depended from outer select */
virtual bool dependent()= 0; /* depended from outer select */
virtual bool uncacheable()= 0; /* query is uncacheable */
enum Item_result type() { return res_type; }
virtual bool check_loop(uint id)= 0;
virtual void exclude()= 0;
......@@ -245,7 +246,8 @@ public:
void fix_length_and_dec(Item_cache** row);
int exec();
uint cols();
bool depended();
bool dependent();
bool uncacheable();
bool check_loop(uint id);
void exclude();
};
......@@ -262,7 +264,8 @@ public:
void fix_length_and_dec(Item_cache** row);
int exec();
uint cols();
bool depended();
bool dependent();
bool uncacheable();
bool check_loop(uint id);
void exclude();
};
sql/sql_lex.cc
View file @ 0c5b323d
......@@ -995,7 +995,7 @@ int yylex(void *arg, void *yythd)
void st_select_lex_node::init_query()
{
no_table_names_allowed= dependent= 0;
no_table_names_allowed= uncacheable= dependent= 0;
ref_pointer_array= 0;
}
......
sql/sql_lex.h
View file @ 0c5b323d
......@@ -216,6 +216,7 @@ public:
uint with_sum_func; /* sum function indicator and number of it */
bool create_refs;
bool dependent; /* dependent from outer select subselect */
bool uncacheable; /* result of this query can't be cached */
bool no_table_names_allowed; /* used for global order by */
static void *operator new(size_t size)
......@@ -475,6 +476,13 @@ typedef struct st_lex
CHARSET_INFO *charset;
char *help_arg;
bool tmp_table_used;
inline void uncacheable()
{
safe_to_cache_query= 0;
current_select->uncacheable =
current_select->master_unit()->uncacheable= 1;
}
} LEX;
......
sql/sql_select.cc
View file @ 0c5b323d
......@@ -839,7 +839,6 @@ JOIN::reinit()
exec_tmp_table1->file->extra(HA_EXTRA_RESET_STATE);
exec_tmp_table1->file->delete_all_rows();
free_io_cache(exec_tmp_table1);
memcpy(ref_pointer_array, items0, ref_pointer_array_size);
}
if (exec_tmp_table2)
{
......@@ -850,9 +849,6 @@ JOIN::reinit()
if (items0)
memcpy(ref_pointer_array, items0, ref_pointer_array_size);
tmp_table_param.copy_funcs.empty();
tmp_table_param.copy_field= tmp_table_param.copy_field_end= 0;
if (tmp_join)
restore_tmp();
......@@ -4824,7 +4820,7 @@ bool create_myisam_from_heap(THD *thd, TABLE *table, TMP_TABLE_PARAM *param,
static int
do_select(JOIN *join,List<Item> *fields,TABLE *table,Procedure *procedure)
{
int error;
int error= 0;
JOIN_TAB *join_tab;
int (*end_select)(JOIN *, struct st_join_table *,bool);
DBUG_ENTER("do_select");
......@@ -8032,9 +8028,11 @@ int mysql_explain_union(THD *thd, SELECT_LEX_UNIT *unit, select_result *result)
((sl->linkage == DERIVED_TABLE_TYPE) ?
"DERIVED":
((sl->dependent)?"DEPENDENT SUBSELECT":
"SUBSELECT")):
(sl->uncacheable?"UNCACHEABLE SUBSELECT":
"SUBSELECT"))):
((sl->dependent)?"DEPENDENT UNION":
"UNION"))),
sl->uncacheable?"UNCACHEABLE UNION":
"UNION"))),
result);
if (res)
break;
......
sql/sql_union.cc
View file @ 0c5b323d
......@@ -207,11 +207,11 @@ int st_select_lex_unit::exec()
DBUG_ENTER("st_select_lex_unit::exec");
SELECT_LEX_NODE *lex_select_save= thd->lex.current_select;
if (executed && !dependent)
if (executed && !(dependent||uncacheable))
DBUG_RETURN(0);
executed= 1;
if (dependent || !item || !item->assigned())
if ((dependent||uncacheable) || !item || !item->assigned())
{
if (optimized && item && item->assigned())
{
......
sql/sql_yacc.yy
View file @ 0c5b323d
......@@ -1798,7 +1798,7 @@ select_option:
YYABORT;
Select->options|= OPTION_FOUND_ROWS;
}
| SQL_NO_CACHE_SYM { Lex->safe_to_cache_query=0; }
| SQL_NO_CACHE_SYM { Lex->uncacheable();; }
| SQL_CACHE_SYM { Select->options|= OPTION_TO_QUERY_CACHE; }
| ALL {}
;
......@@ -2045,12 +2045,12 @@ simple_expr:
| '@' ident_or_text SET_VAR expr
{
$$= new Item_func_set_user_var($2,$4);
Lex->safe_to_cache_query=0;
Lex->uncacheable();;
}
| '@' ident_or_text
{
$$= new Item_func_get_user_var($2);
Lex->safe_to_cache_query=0;
Lex->uncacheable();;
}
| '@' '@' opt_var_ident_type ident_or_text
{
......@@ -2136,7 +2136,7 @@ simple_expr:
| ENCRYPT '(' expr ')'
{
$$= new Item_func_encrypt($3);
Lex->safe_to_cache_query=0;
Lex->uncacheable();;
}
| ENCRYPT '(' expr ',' expr ')' { $$= new Item_func_encrypt($3,$5); }
| DECODE_SYM '(' expr ',' TEXT_STRING ')'
......@@ -2192,11 +2192,12 @@ simple_expr:
{
$$= get_system_var(OPT_SESSION, "last_insert_id", 14,
"last_insert_id()");
Lex->safe_to_cache_query= 0;
}
| LAST_INSERT_ID '(' expr ')'
{
$$= new Item_func_set_last_insert_id($3);
Lex->safe_to_cache_query=0;
Lex->safe_to_cache_query= 0;
}
| LEFT '(' expr ',' expr ')'
{ $$= new Item_func_left($3,$5); }
......@@ -2272,9 +2273,9 @@ simple_expr:
| POSITION_SYM '(' no_in_expr IN_SYM expr ')'
{ $$ = new Item_func_locate($5,$3); }
| RAND '(' expr ')'
{ $$= new Item_func_rand($3); Lex->safe_to_cache_query=0;}
{ $$= new Item_func_rand($3); Lex->uncacheable();}
| RAND '(' ')'
{ $$= new Item_func_rand(); Lex->safe_to_cache_query=0;}
{ $$= new Item_func_rand(); Lex->uncacheable();}
| REPLACE '(' expr ',' expr ',' expr ')'
{ $$= new Item_func_replace($3,$5,$7); }
| RIGHT '(' expr ',' expr ')'
......@@ -2376,7 +2377,7 @@ simple_expr:
| BENCHMARK_SYM '(' ULONG_NUM ',' expr ')'
{
$$=new Item_func_benchmark($3,$5);
Lex->safe_to_cache_query=0;
Lex->uncacheable();
}
| EXTRACT_SYM '(' interval FROM expr ')'
{ $$=new Item_extract( $3, $5); };
......@@ -2874,7 +2875,7 @@ procedure_clause:
lex->proc_list.next= (byte**) &lex->proc_list.first;
if (add_proc_to_list(lex->thd, new Item_field(NULL,NULL,$2.str)))
YYABORT;
Lex->safe_to_cache_query=0;
Lex->uncacheable();
}
'(' procedure_list ')';
......@@ -2948,7 +2949,7 @@ into:
}
| INTO select_var_list_init
{
Lex->safe_to_cache_query=0;
Lex->uncacheable();
}
;
......
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