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Fix for BUG#20023: mysql_change_user() resets the value

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of SQL_BIG_SELECTS.

The bug was that SQL_BIG_SELECTS was not properly set
in COM_CHANGE_USER.

The fix is to update SQL_BIG_SELECTS properly.
This commit is contained in:
anozdrin/alik@station.
2007-10-10 17:57:01 +04:00
parent c6c419f919
commit ac83b3122c
4 changed files with 179 additions and 3 deletions
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6
sql/sql_class.cc
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@ -585,6 +585,12 @@ void THD::init(void)
if (variables.sql_mode & MODE_NO_BACKSLASH_ESCAPES)
server_status|= SERVER_STATUS_NO_BACKSLASH_ESCAPES;
options= thd_startup_options;
if (variables.max_join_size == HA_POS_ERROR)
options |= OPTION_BIG_SELECTS;
else
options &= ~OPTION_BIG_SELECTS;
transaction.all.modified_non_trans_table= transaction.stmt.modified_non_trans_table= FALSE;
open_options=ha_open_options;
update_lock_default= (variables.low_priority_updates ?