database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-07-30 16:24:05 +03:00
Code Activity

Merged 5.1 with maria 5.1

Browse Source
This commit is contained in:
Michael Widenius
2008-10-10 18:28:41 +03:00
parent 51a92bbb03 9daa56fd5c
commit f47e003e1b
1924 changed files with 487105 additions and 167345 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
sql/sql_update.cc
View File

@ -457,7 +457,7 @@ int mysql_update(THD *thd,
*/
if (used_index == MAX_KEY || (select && select->quick))
init_read_record(&info,thd,table,select,0,1);
init_read_record(&info, thd, table, select, 0, 1, FALSE);
else
init_read_record_idx(&info, thd, table, 1, used_index);
@ -523,7 +523,7 @@ int mysql_update(THD *thd,
if (select && select->quick && select->quick->reset())
goto err;
table->file->try_semi_consistent_read(1);
init_read_record(&info,thd,table,select,0,1);
init_read_record(&info, thd, table, select, 0, 1, FALSE);
updated= found= 0;
/* Generate an error when trying to set a NOT NULL field to NULL. */
@ -853,8 +853,9 @@ bool mysql_prepare_update(THD *thd, TABLE_LIST *table_list,
Item **conds, uint order_num, ORDER *order)
{
Item *fake_conds= 0;
#ifndef NO_EMBEDDED_ACCESS_CHECKS
TABLE *table= table_list->table;
TABLE_LIST tables;
#endif
List<Item> all_fields;
SELECT_LEX *select_lex= &thd->lex->select_lex;
DBUG_ENTER("mysql_prepare_update");
@ -878,9 +879,6 @@ bool mysql_prepare_update(THD *thd, TABLE_LIST *table_list,
table_list->register_want_access(SELECT_ACL);
#endif
bzero((char*) &tables,sizeof(tables)); // For ORDER BY
tables.table= table;
tables.alias= table_list->alias;
thd->lex->allow_sum_func= 0;
if (setup_tables_and_check_access(thd, &select_lex->context,
@ -1002,7 +1000,7 @@ reopen_tables:
DBUG_RETURN(TRUE);
}
tables_for_update= get_table_map(fields);
thd->table_map_for_update= tables_for_update= get_table_map(fields);
/*
Setup timestamp handling and locking mode
@ -1669,6 +1667,12 @@ bool multi_update::send_data(List<Item> &not_used_values)
tbl->file->position(tbl->record[0]);
memcpy((char*) tmp_table->field[field_num]->ptr,
(char*) tbl->file->ref, tbl->file->ref_length);
/*
For outer joins a rowid field may have no NOT_NULL_FLAG,
so we have to reset NULL bit for this field.
(set_notnull() resets NULL bit only if available).
*/
tmp_table->field[field_num]->set_notnull();
field_num++;
} while ((tbl= tbl_it++));