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Merge from 5.0 trunk.

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This commit is contained in:
Chad MILLER
2008-07-14 16:16:37 -04:00
parent c94a46240a 443698a56d
commit dae4c823e9
415 changed files with 25785 additions and 18092 deletions
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8
sql/sql_update.cc
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@ -716,7 +716,7 @@ static table_map get_table_map(List<Item> *items)
TRUE Error
*/
bool mysql_multi_update_prepare(THD *thd)
int mysql_multi_update_prepare(THD *thd)
{
LEX *lex= thd->lex;
TABLE_LIST *table_list= lex->query_tables;
@ -1440,6 +1440,12 @@ 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++));