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Commit 74e32241 authored by wax@kishkin.ru's avatar wax@kishkin.ru
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parents 87ee144f 77eb790e
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Showing with 879 additions and 43 deletions
include/mysqld_error.h
View file @ 74e32241
......@@ -266,8 +266,5 @@
#define ER_SELECT_REDUCED 1247
#define ER_TABLENAME_NOT_ALLOWED_HERE 1248
#define ER_NOT_SUPPORTED_AUTH_MODE 1249
#define ER_SPATIAL_CANT_HAVE_NULL 1250
#define ER_COLLATION_CHARSET_MISMATCH 1251
#define ER_SLAVE_WAS_RUNNING 1252
#define ER_SLAVE_WAS_NOT_RUNNING 1253
#define ER_ERROR_MESSAGES 254
#define ER_CUT_VALUE_GROUP_CONCAT 1250
#define ER_ERROR_MESSAGES 251
mysql-test/r/func_gconcat.result 0 → 100644
View file @ 74e32241
drop table if exists t1;
Warnings:
Note 1051 Unknown table 't1'
create table t1 (grp int, a bigint unsigned, c char(10) not null, d char(10) not null);
insert into t1 values (1,1,"a","a");
insert into t1 values (2,2,"b","a");
insert into t1 values (2,3,"c","b");
insert into t1 values (3,4,"E","a");
insert into t1 values (3,5,"C","b");
insert into t1 values (3,6,"D","b");
insert into t1 values (3,7,"d","d");
insert into t1 values (3,8,"d","d");
insert into t1 values (3,9,"D","c");
select grp,group_concat(c) from t1 group by grp;
grp group_concat(c)
1 a
2 b c
3 E C D d d D
select grp,group_concat(a,c) from t1 group by grp;
grp group_concat(a,c)
1 1a
2 2b 3c
3 4E 5C 6D 7d 8d 9D
select grp,group_concat("(",a,":",c,")") from t1 group by grp;
grp group_concat("(",a,":",c,")")
1 (1:a)
2 (2:b) (3:c)
3 (4:E) (5:C) (6:D) (7:d) (8:d) (9:D)
select grp,group_concat(c separator ",") from t1 group by grp;
grp group_concat(c separator ",")
1 a
2 b,c
3 E,C,D,d,d,D
select grp,group_concat(c separator "---->") from t1 group by grp;
grp group_concat(c separator "---->")
1 a
2 b---->c
3 E---->C---->D---->d---->d---->D
select grp,group_concat(c order by c) from t1 group by grp;
grp group_concat(c order by c)
1 a
2 b c
3 C D d d D E
select grp,group_concat(c order by c desc) from t1 group by grp;
grp group_concat(c order by c desc)
1 a
2 c b
3 E D d d D C
select grp,group_concat(d order by a) from t1 group by grp;
grp group_concat(d order by a)
1 a
2 a b
3 a b b d d c
select grp,group_concat(d order by a desc) from t1 group by grp;
grp group_concat(d order by a desc)
1 a
2 b a
3 c d d b b a
select grp,group_concat(a order by a,d+c) from t1 group by grp;
grp group_concat(a order by a,d+c)
1 1
2 2 3
3 4 5 6 7 8 9
select grp,group_concat(c order by 1) from t1 group by grp;
grp group_concat(c order by 1)
1 a
2 b c
3 C D d d D E
select grp,group_concat(c order by "c") from t1 group by grp;
grp group_concat(c order by "c")
1 a
2 b c
3 C D d d D E
select grp,group_concat(distinct c order by c) from t1 group by grp;
grp group_concat(distinct c order by c)
1 a
2 b c
3 C D E
select grp,group_concat(distinct c order by c desc) from t1 group by grp;
grp group_concat(distinct c order by c desc)
1 a
2 c b
3 E D C
select grp,group_concat(c order by c separator ",") from t1 group by grp;
grp group_concat(c order by c separator ",")
1 a
2 b,c
3 C,D,d,d,D,E
select grp,group_concat(c order by c desc separator ",") from t1 group by grp;
grp group_concat(c order by c desc separator ",")
1 a
2 c,b
3 E,D,d,d,D,C
select grp,group_concat(distinct c order by c separator ",") from t1 group by grp;
grp group_concat(distinct c order by c separator ",")
1 a
2 b,c
3 C,D,E
select grp,group_concat(distinct c order by c desc separator ",") from t1 group by grp;
grp group_concat(distinct c order by c desc separator ",")
1 a
2 c,b
3 E,D,C
select grp,group_concat(c order by grp desc) from t1 group by grp order by grp;
grp group_concat(c order by grp desc)
1 a
2 c b
3 D d d D C E
select grp, group_concat(a separator "")+0 from t1 group by grp;
grp group_concat(a separator "")+0
1 1
2 23
3 456789
select grp, group_concat(a separator "")+0.0 from t1 group by grp;
grp group_concat(a separator "")+0.0
1 1.0
2 23.0
3 456789.0
select grp, ROUND(group_concat(a separator "")) from t1 group by grp;
grp ROUND(group_concat(a separator ""))
1 1
2 23
3 456789
drop table t1;
create table t1 (grp int, c char(10));
insert into t1 values (1,NULL);
insert into t1 values (2,"b");
insert into t1 values (2,NULL);
insert into t1 values (3,"E");
insert into t1 values (3,NULL);
insert into t1 values (3,"D");
insert into t1 values (3,NULL);
insert into t1 values (3,NULL);
insert into t1 values (3,"D");
insert into t1 values (4,"");
insert into t1 values (5,NULL);
select grp,group_concat(c order by c) from t1 group by grp;
grp group_concat(c order by c)
1 NULL
2 b
3 D D E
4
5 NULL
set group_concat_max_len = 5;
select grp,group_concat(c) from t1 group by grp;
grp group_concat(c)
1 NULL
2 b
3 E D D
4
5 NULL
Warnings:
Warning 1250 1 line(s) was(were) cut by group_concat()
show warnings;
Level Code Message
Warning 1250 1 line(s) was(were) cut by group_concat()
select group_concat(sum(a)) from t1 group by grp;
Invalid use of group function
select grp,group_concat(c order by 2) from t1 group by grp;
Unknown column '2' in 'group statement'
drop table if exists t1;
mysql-test/t/func_gconcat.test 0 → 100644
View file @ 74e32241
#
# simple test of group_concat function
#
drop table if exists t1;
create table t1 (grp int, a bigint unsigned, c char(10) not null, d char(10) not null);
insert into t1 values (1,1,"a","a");
insert into t1 values (2,2,"b","a");
insert into t1 values (2,3,"c","b");
insert into t1 values (3,4,"E","a");
insert into t1 values (3,5,"C","b");
insert into t1 values (3,6,"D","b");
insert into t1 values (3,7,"d","d");
insert into t1 values (3,8,"d","d");
insert into t1 values (3,9,"D","c");
# Test of MySQL simple request
select grp,group_concat(c) from t1 group by grp;
select grp,group_concat(a,c) from t1 group by grp;
select grp,group_concat("(",a,":",c,")") from t1 group by grp;
# Test of MySQL with options
select grp,group_concat(c separator ",") from t1 group by grp;
select grp,group_concat(c separator "---->") from t1 group by grp;
select grp,group_concat(c order by c) from t1 group by grp;
select grp,group_concat(c order by c desc) from t1 group by grp;
select grp,group_concat(d order by a) from t1 group by grp;
select grp,group_concat(d order by a desc) from t1 group by grp;
select grp,group_concat(a order by a,d+c) from t1 group by grp;
select grp,group_concat(c order by 1) from t1 group by grp;
select grp,group_concat(c order by "c") from t1 group by grp;
select grp,group_concat(distinct c order by c) from t1 group by grp;
select grp,group_concat(distinct c order by c desc) from t1 group by grp;
select grp,group_concat(c order by c separator ",") from t1 group by grp;
select grp,group_concat(c order by c desc separator ",") from t1 group by grp;
select grp,group_concat(distinct c order by c separator ",") from t1 group by grp;
select grp,group_concat(distinct c order by c desc separator ",") from t1 group by grp;
# Test of SQL_LIST objects
select grp,group_concat(c order by grp desc) from t1 group by grp order by grp;
# Test transfer to real values
select grp, group_concat(a separator "")+0 from t1 group by grp;
select grp, group_concat(a separator "")+0.0 from t1 group by grp;
select grp, ROUND(group_concat(a separator "")) from t1 group by grp;
# Test NULL values
drop table t1;
create table t1 (grp int, c char(10));
insert into t1 values (1,NULL);
insert into t1 values (2,"b");
insert into t1 values (2,NULL);
insert into t1 values (3,"E");
insert into t1 values (3,NULL);
insert into t1 values (3,"D");
insert into t1 values (3,NULL);
insert into t1 values (3,NULL);
insert into t1 values (3,"D");
insert into t1 values (4,"");
insert into t1 values (5,NULL);
select grp,group_concat(c order by c) from t1 group by grp;
# Test warnings
set group_concat_max_len = 5;
select grp,group_concat(c) from t1 group by grp;
show warnings;
# Test errors
--error 1111
select group_concat(sum(a)) from t1 group by grp;
--error 1054
select grp,group_concat(c order by 2) from t1 group by grp;
drop table if exists t1;
sql/field.h
View file @ 74e32241
......@@ -224,6 +224,7 @@ public:
friend class Item_sum_std;
friend class Item_sum_min;
friend class Item_sum_max;
friend class Item_func_group_concat;
};
......
sql/item_sum.cc
View file @ 74e32241
This diff is collapsed.
sql/item_sum.h
View file @ 74e32241
......@@ -28,7 +28,7 @@ class Item_sum :public Item_result_field
public:
enum Sumfunctype {COUNT_FUNC,COUNT_DISTINCT_FUNC,SUM_FUNC,AVG_FUNC,MIN_FUNC,
MAX_FUNC, UNIQUE_USERS_FUNC,STD_FUNC,VARIANCE_FUNC,SUM_BIT_FUNC,
UDF_SUM_FUNC };
UDF_SUM_FUNC, GROUP_CONCAT_FUNC };
Item **args,*tmp_args[2];
uint arg_count;
......@@ -630,3 +630,87 @@ public:
};
#endif /* HAVE_DLOPEN */
class Item_func_group_concat : public Item_sum
{
THD *item_thd;
TMP_TABLE_PARAM *tmp_table_param;
uint max_elements_in_tree;
void *warning;
bool warning_available;
public:
String result;
String *separator;
uint show_elements;
TREE tree_base;
TREE *tree;
TABLE *table;
int arg_count_order;
int arg_count_field;
int arg_show_fields;
int distinct;
Item **expr;
ORDER **order;
bool tree_mode;
int count_cut_values;
ulong group_concat_max_len;
bool warning_for_row;
TABLE_LIST *tables_list;
bool always_null;
/*
Following is 0 normal object and pointer to original one for copy
(to correctly free resources)
*/
Item_func_group_concat *original;
Item_func_group_concat(int is_distinct,List<Item> *is_select,
SQL_LIST *is_order,String *is_separator);
Item_func_group_concat(THD *thd, Item_func_group_concat &item)
:Item_sum(thd, item),item_thd(thd),
tmp_table_param(item.tmp_table_param),
max_elements_in_tree(item.max_elements_in_tree),
warning(item.warning),
warning_available(item.warning_available),
separator(item.separator),
show_elements(item.show_elements),
tree(item.tree),
table(item.table),
arg_count_order(item.arg_count_order),
arg_count_field(item.arg_count_field),
arg_show_fields(item.arg_show_fields),
distinct(item.distinct),
expr(item.expr),
order(item.order),
tree_mode(0),
count_cut_values(item.count_cut_values),
group_concat_max_len(item.group_concat_max_len),
warning_for_row(item.warning_for_row),
tables_list(item.tables_list),
original(&item)
{
quick_group = 0;
};
~Item_func_group_concat();
enum Sumfunctype sum_func () const {return GROUP_CONCAT_FUNC;}
const char *func_name() const { return "group_concat"; }
enum Type type() const { return SUM_FUNC_ITEM; }
virtual Item_result result_type () const { return STRING_RESULT; }
void reset();
bool add();
void reset_field();
bool fix_fields(THD *, TABLE_LIST *, Item **);
bool setup(THD *thd);
virtual void update_field(int offset) {};
double val()
{
String *res; res=val_str(&str_value);
return res ? atof(res->c_ptr()) : 0.0;
}
longlong val_int()
{
String *res; res=val_str(&str_value);
return res ? strtoll(res->c_ptr(),(char**) 0,10) : (longlong) 0;
}
String* val_str(String* str);
};
sql/lex.h
View file @ 74e32241
......@@ -335,6 +335,7 @@ static SYMBOL symbols[] = {
{ "ROWS", SYM(ROWS_SYM),0,0},
{ "RTREE", SYM(RTREE_SYM),0,0},
{ "SECOND", SYM(SECOND_SYM),0,0},
{ "SEPARATOR", SYM(SEPARATOR_SYM),0,0},
{ "SELECT", SYM(SELECT_SYM),0,0},
{ "SERIAL", SYM(SERIAL_SYM),0,0},
{ "SERIALIZABLE", SYM(SERIALIZABLE_SYM),0,0},
......@@ -503,6 +504,7 @@ static SYMBOL sql_functions[] = {
{ "GEOMFROMWKB", SYM(GEOMFROMWKB),0,0},
{ "GLENGTH", SYM(FUNC_ARG1),0,CREATE_FUNC(create_func_glength)},
{ "GREATEST", SYM(GREATEST_SYM),0,0},
{ "GROUP_CONCAT", SYM(GROUP_CONCAT_SYM),0,0},
{ "GROUP_UNIQUE_USERS", SYM(GROUP_UNIQUE_USERS),0,0},
{ "HEX", SYM(FUNC_ARG1),0,CREATE_FUNC(create_func_hex)},
{ "IFNULL", SYM(FUNC_ARG2),0,CREATE_FUNC(create_func_ifnull)},
......
sql/mysql_priv.h
View file @ 74e32241
......@@ -547,7 +547,7 @@ int check_insert_fields(THD *thd,TABLE *table,List<Item> &fields,
List<Item> &values, ulong counter);
/* sql_error.cc */
void push_warning(THD *thd, MYSQL_ERROR::enum_warning_level level, uint code,
MYSQL_ERROR *push_warning(THD *thd, MYSQL_ERROR::enum_warning_level level, uint code,
const char *msg);
void push_warning_printf(THD *thd, MYSQL_ERROR::enum_warning_level level,
uint code, const char *format, ...);
......
sql/share/english/errmsg.txt
View file @ 74e32241
......@@ -166,7 +166,7 @@
"Result string is longer than max_allowed_packet",
"The used table type doesn't support BLOB/TEXT columns",
"The used table type doesn't support AUTO_INCREMENT columns",
"INSERT DELAYED can't be used with table '%-.64s' because it is locked with LOCK TABLES",
"INSERT DELAYED can't be used with table '%-.64s', because it is locked with LOCK TABLES",
"Incorrect column name '%-.100s'",
"The used table handler can't index column '%-.64s'",
"All tables in the MERGE table are not identically defined",
......@@ -198,7 +198,7 @@
"Table '%-.64s' is marked as crashed and should be repaired",
"Table '%-.64s' is marked as crashed and last (automatic?) repair failed",
"Some non-transactional changed tables couldn't be rolled back",
"Multi-statement transaction required more than 'max_binlog_cache_size' bytes of storage. Increase this mysqld variable and try again",
"Multi-statement transaction required more than 'max_binlog_cache_size' bytes of storage. Increase this mysqld variable and try again',
"This operation cannot be performed with a running slave, run STOP SLAVE first",
"This operation requires a running slave, configure slave and do START SLAVE",
"The server is not configured as slave, fix in config file or with CHANGE MASTER TO",
......@@ -250,8 +250,5 @@
"Every derived table must have it's own alias",
"Select %u was reduced during optimisation",
"Table '%-.64s' from one of SELECT's can not be used in %-.32s"
"Client does not support authentication protocol requested by server. Consider upgrading MySQL client"
"All parts of a SPATIAL KEY must be NOT NULL"
"COLLATION '%s' is not valid for CHARACTER SET '%s'"
"The slave was already running"
"The slave was already stopped"
"Client does not support authentication protocol requested by server. Consider upgrading MySQL client",
"%d line(s) was(were) cut by group_concat()"
sql/sql_class.h
View file @ 74e32241
......@@ -34,8 +34,6 @@ enum enum_log_type { LOG_CLOSED, LOG_NORMAL, LOG_NEW, LOG_BIN };
enum enum_delay_key_write { DELAY_KEY_WRITE_NONE, DELAY_KEY_WRITE_ON,
DELAY_KEY_WRITE_ALL };
extern char internal_table_name[2];
// log info errors
#define LOG_INFO_EOF -1
#define LOG_INFO_IO -2
......@@ -145,9 +143,7 @@ public:
int generate_new_name(char *new_name,const char *old_name);
void make_log_name(char* buf, const char* log_ident);
bool is_active(const char* log_file_name);
int update_log_index(LOG_INFO* linfo);
int purge_logs(THD* thd, const char* to_log);
int purge_logs_before_date(THD* thd, time_t purge_time);
int purge_first_log(struct st_relay_log_info* rli);
bool reset_logs(THD* thd);
// if we are exiting, we also want to close the index file
......@@ -174,6 +170,32 @@ public:
/* character conversion tables */
class CONVERT;
CONVERT *get_convert_set(const char *name_ptr);
class CONVERT
{
const uchar *from_map,*to_map;
void convert_array(const uchar *mapping,uchar *buff,uint length);
public:
const char *name;
uint numb;
CONVERT(const char *name_par,uchar *from_par,uchar *to_par, uint number)
:from_map(from_par),to_map(to_par),name(name_par),numb(number) {}
friend CONVERT *get_convert_set(const char *name_ptr);
inline void convert(char *a,uint length)
{
convert_array(from_map, (uchar*) a,length);
}
char *store_dest(char *to, const char *from, uint length)
{
for (const char *end=from+length ; from != end ; from++)
*to++= to_map[(uchar) *from];
return to;
}
bool store(String *, const char *,uint);
inline uint number() { return numb; }
};
typedef struct st_copy_info {
ha_rows records;
......@@ -304,6 +326,11 @@ public:
MYSQL_ERROR(uint code_arg, enum_warning_level level_arg,
const char *msg_arg)
:code(code_arg), level(level_arg)
{
if (msg_arg)
msg=sql_strdup(msg_arg);
}
inline void set_msg(const char *msg_arg)
{
msg=sql_strdup(msg_arg);
}
......@@ -333,6 +360,10 @@ class select_result;
#define THD_SENTRY_MAGIC 0xfeedd1ff
#define THD_SENTRY_GONE 0xdeadbeef
#ifdef EMBEDDED_LIBRARY
typedef struct st_mysql;
#endif
#define THD_CHECK_SENTRY(thd) DBUG_ASSERT(thd->dbug_sentry == THD_SENTRY_MAGIC)
struct system_variables
......@@ -365,8 +396,7 @@ struct system_variables
ulong tmp_table_size;
ulong tx_isolation;
ulong sql_mode;
ulong default_week_format;
ulong group_concat_max_len;
/*
In slave thread we need to know in behalf of which
thread the query is being run to replicate temp tables properly
......@@ -375,9 +405,8 @@ struct system_variables
my_bool log_warnings;
my_bool low_priority_updates;
my_bool new_mode;
my_bool convert_result_charset;
CONVERT *convert_set;
CHARSET_INFO *thd_charset;
};
......@@ -424,9 +453,8 @@ public:
db - currently selected database
ip - client IP
*/
char *host,*user,*priv_user,*db,*ip;
/* remote (peer) port */
uint16 peer_port;
/* Points to info-string that will show in SHOW PROCESSLIST */
const char *proc_info;
/* points to host if host is available, otherwise points to ip */
......@@ -549,7 +577,6 @@ public:
void init(void);
void change_user(void);
void init_for_queries();
void cleanup(void);
bool store_globals();
#ifdef SIGNAL_WITH_VIO_CLOSE
......@@ -657,9 +684,7 @@ public:
{
is_fatal_error= 1;
net.report_error= 1;
DBUG_PRINT("error",("Fatal error set"));
}
inline CHARSET_INFO *charset() { return variables.thd_charset; }
};
/*
......@@ -885,11 +910,10 @@ class Table_ident :public Sql_alloc
LEX_STRING db;
LEX_STRING table;
SELECT_LEX_UNIT *sel;
inline Table_ident(THD *thd, LEX_STRING db_arg, LEX_STRING table_arg,
bool force)
inline Table_ident(LEX_STRING db_arg, LEX_STRING table_arg, bool force)
:table(table_arg), sel((SELECT_LEX_UNIT *)0)
{
if (!force && (thd->client_capabilities & CLIENT_NO_SCHEMA))
if (!force && (current_thd->client_capabilities & CLIENT_NO_SCHEMA))
db.str=0;
else
db= db_arg;
......@@ -901,8 +925,7 @@ class Table_ident :public Sql_alloc
}
inline Table_ident(SELECT_LEX_UNIT *s) : sel(s)
{
/* We must have a table name here as this is used with add_table_to_list */
db.str=0; table.str= internal_table_name; table.length=1;
db.str=0; table.str=(char *)""; table.length=0;
}
inline void change_db(char *db_name)
{
......@@ -919,7 +942,6 @@ class user_var_entry
ulong length, update_query_id, used_query_id;
Item_result type;
CHARSET_INFO *var_charset;
enum Item::coercion var_coercibility;
};
/* Class for unique (removing of duplicates) */
......@@ -978,7 +1000,7 @@ class multi_update : public select_result
{
TABLE_LIST *all_tables, *update_tables, *table_being_updated;
THD *thd;
TABLE **tmp_tables, *main_table, *table_to_update;
TABLE **tmp_tables, *main_table;
TMP_TABLE_PARAM *tmp_table_param;
ha_rows updated, found;
List <Item> *fields, *values;
......
sql/sql_error.cc
View file @ 74e32241
......@@ -80,14 +80,19 @@ void mysql_reset_errors(THD *thd)
level Severity of warning (note, warning, error ...)
code Error number
msg Clear error message
RETURN
pointer on MYSQL_ERROR object
*/
void push_warning(THD *thd, MYSQL_ERROR::enum_warning_level level, uint code,
const char *msg)
MYSQL_ERROR *push_warning(THD *thd, MYSQL_ERROR::enum_warning_level level,
uint code, const char *msg)
{
if (thd->query_id != thd->warn_id)
mysql_reset_errors(thd);
MYSQL_ERROR *err = NULL;
if (thd->warn_list.elements < thd->variables.max_error_count)
{
/*
......@@ -96,13 +101,14 @@ void push_warning(THD *thd, MYSQL_ERROR::enum_warning_level level, uint code,
*/
MEM_ROOT *old_root=my_pthread_getspecific_ptr(MEM_ROOT*,THR_MALLOC);
my_pthread_setspecific_ptr(THR_MALLOC, &thd->warn_root);
MYSQL_ERROR *err= new MYSQL_ERROR(code, level, msg);
err = new MYSQL_ERROR(code, level, msg);
if (err)
thd->warn_list.push_back(err);
my_pthread_setspecific_ptr(THR_MALLOC, old_root);
}
thd->warn_count[(uint) level]++;
thd->total_warn_count++;
return err;
}
/*
......
sql/sql_lex.h
View file @ 74e32241
......@@ -478,6 +478,7 @@ typedef struct st_lex
uint slave_thd_opt;
CHARSET_INFO *charset;
char *help_arg;
SQL_LIST *gorder_list;
inline void uncacheable()
{
......
sql/sql_yacc.yy
View file @ 74e32241
......@@ -336,6 +336,7 @@ bool my_yyoverflow(short **a, YYSTYPE **b,int *yystacksize);
%token ROW_SYM
%token RTREE_SYM
%token SET
%token SEPARATOR_SYM
%token SERIAL_SYM
%token SERIALIZABLE_SYM
%token SESSION_SYM
......@@ -462,6 +463,7 @@ bool my_yyoverflow(short **a, YYSTYPE **b,int *yystacksize);
%token GEOMFROMTEXT
%token GEOMFROMWKB
%token GEOMETRYCOLLECTION
%token GROUP_CONCAT_SYM
%token GROUP_UNIQUE_USERS
%token HOUR_MINUTE_SYM
%token HOUR_SECOND_SYM
......@@ -575,13 +577,13 @@ bool my_yyoverflow(short **a, YYSTYPE **b,int *yystacksize);
opt_escape
%type <string>
text_string
text_string opt_gconcat_separator
%type <num>
type int_type real_type order_dir opt_field_spec lock_option
udf_type if_exists opt_local opt_table_options table_options
table_option opt_if_not_exists opt_var_type opt_var_ident_type
delete_option opt_temporary all_or_any
delete_option opt_temporary all_or_any opt_distinct
%type <ulong_num>
ULONG_NUM raid_types merge_insert_types
......@@ -2554,7 +2556,35 @@ sum_expr:
| VARIANCE_SYM '(' in_sum_expr ')'
{ $$=new Item_sum_variance($3); }
| SUM_SYM '(' in_sum_expr ')'
{ $$=new Item_sum_sum($3); };
{ $$=new Item_sum_sum($3); }
| GROUP_CONCAT_SYM '(' opt_distinct expr_list opt_gorder_clause opt_gconcat_separator ')'
{
$$=new Item_func_group_concat($3,$4,Lex->gorder_list,$6);
$4->empty();
};
opt_distinct:
/* empty */ { $$ = 0; }
|DISTINCT { $$ = 1; };
opt_gconcat_separator:
/* empty */ { $$ = new String(" ",1,default_charset_info); }
|SEPARATOR_SYM text_string { $$ = $2; };
opt_gorder_clause:
/* empty */
{
LEX *lex=Lex;
lex->gorder_list = NULL;
}
| order_clause
{
LEX *lex=Lex;
lex->gorder_list= (SQL_LIST*) sql_memdup((char*) &lex->current_select->order_list,sizeof(st_sql_list));
lex->current_select->order_list.empty();
};
in_sum_expr:
opt_all
......
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