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Second phase of UNIONS (please do not test it yet) and some other

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changes. This is mostly a merge between my repository and central 
one, so that I can take a test for multi table delete and fix it.


sql/mysql_priv.h:
  Added new functions needed for UNIONS, EXCEPT's etc
sql/sql_class.h:
  A little change in multi_delete class
sql/sql_lex.h:
  Added command for UNION's
sql/sql_parse.cc:
  One new function and SQLCOM_UNION_SELECT.
  
  Please do not test UNION's. This is just a start of the work on them
sql/sql_yacc.yy:
  Parsing stuff for the UNION's
This commit is contained in:
unknown
2001-06-13 13:36:53 +03:00
parent 9cda81a4b8
commit 1f07c0b7a5
6 changed files with 127 additions and 5 deletions
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2
sql/mysql_priv.h
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@@ -232,6 +232,7 @@ 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);
void mysql_init_select(LEX *lex);
void mysql_new_select(LEX *lex);
void init_max_user_conn(void);
void free_max_user_conn(void);
pthread_handler_decl(handle_one_connection,arg);
@@ -304,6 +305,7 @@ int mysql_select(THD *thd,TABLE_LIST *tables,List<Item> &list,COND *conds,
List<Item_func_match> &ftfuncs,
ORDER *order, ORDER *group,Item *having,ORDER *proc_param,
uint select_type,select_result *result);
int mysql_union(THD *thd,LEX *lex, uint no);
Field *create_tmp_field(TABLE *table,Item *item, Item::Type type,
Item_result_field ***copy_func, Field **from_field,
bool group,bool modify_item);