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Merge 4.1 -> 5.0

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This commit is contained in:
pem@mysql.com
2004-05-07 18:52:06 +02:00
parent e1182c5226 df8e3eac45
commit bf45960eef
2201 changed files with 519910 additions and 8438 deletions
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47
sql/sql_delete.cc
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@ -37,8 +37,6 @@ int mysql_delete(THD *thd, TABLE_LIST *table_list, COND *conds, SQL_LIST *order,
bool using_limit=limit != HA_POS_ERROR;
bool transactional_table, log_delayed, safe_update, const_cond;
ha_rows deleted;
TABLE_LIST *delete_table_list= (TABLE_LIST*)
thd->lex->select_lex.table_list.first;
DBUG_ENTER("mysql_delete");
if ((open_and_lock_tables(thd, table_list)))
@ -47,15 +45,9 @@ int mysql_delete(THD *thd, TABLE_LIST *table_list, COND *conds, SQL_LIST *order,
table->file->info(HA_STATUS_VARIABLE | HA_STATUS_NO_LOCK);
thd->proc_info="init";
table->map=1;
if (setup_conds(thd, delete_table_list, &conds) ||
setup_ftfuncs(&thd->lex->select_lex))
DBUG_RETURN(-1);
if (find_real_table_in_list(table_list->next,
table_list->db, table_list->real_name))
{
my_error(ER_UPDATE_TABLE_USED, MYF(0), table_list->real_name);
DBUG_RETURN(-1);
}
if ((error= mysql_prepare_delete(thd, table_list, &conds)))
DBUG_RETURN(error);
const_cond= (!conds || conds->const_item());
safe_update=test(thd->options & OPTION_SAFE_UPDATES);
@ -249,6 +241,39 @@ cleanup:
thd->row_count_func= deleted;
send_ok(thd,deleted);
DBUG_PRINT("info",("%d records deleted",deleted));
}
DBUG_RETURN(0);
}
/*
Prepare items in DELETE statement
SYNOPSIS
mysql_prepare_delete()
thd - thread handler
table_list - global table list
conds - conditions
RETURN VALUE
0 - OK
1 - error (message is sent to user)
-1 - error (message is not sent to user)
*/
int mysql_prepare_delete(THD *thd, TABLE_LIST *table_list, Item **conds)
{
TABLE_LIST *delete_table_list= ((TABLE_LIST*) thd->lex->
select_lex.table_list.first);
DBUG_ENTER("mysql_prepare_delete");
if (setup_conds(thd, delete_table_list, conds) ||
setup_ftfuncs(&thd->lex->select_lex))
DBUG_RETURN(-1);
if (find_real_table_in_list(table_list->next,
table_list->db, table_list->real_name))
{
my_error(ER_UPDATE_TABLE_USED, MYF(0), table_list->real_name);
DBUG_RETURN(-1);
}
DBUG_RETURN(0);
}