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Setting MODE_NO_AUTO_VALUE_ON_ZERO at copying in copy_data_between_tables

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This commit is contained in:
mskold@mysql.com
2004-09-26 17:11:28 +02:00
parent 2027459cce
commit f29939c453
3 changed files with 35 additions and 0 deletions
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12
sql/sql_table.cc
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@@ -3303,6 +3303,8 @@ copy_data_between_tables(TABLE *from,TABLE *to,
List<Item> all_fields;
ha_rows examined_rows;
bool auto_increment_field_copied= 0;
ulong old_sql_mode;
bool no_auto_on_zero;
DBUG_ENTER("copy_data_between_tables");
if (!(copy= new Copy_field[to->fields]))
@@ -3361,6 +3363,11 @@ copy_data_between_tables(TABLE *from,TABLE *to,
goto err;
}
/* Turn on NO_AUTO_VALUE_ON_ZERO if not already on */
old_sql_mode= thd->variables.sql_mode;
if (!(no_auto_on_zero= thd->variables.sql_mode & MODE_NO_AUTO_VALUE_ON_ZERO))
thd->variables.sql_mode|= MODE_NO_AUTO_VALUE_ON_ZERO;
/* Handler must be told explicitly to retrieve all columns, because
this function does not set field->query_id in the columns to the
current query id */
@@ -3417,6 +3424,11 @@ copy_data_between_tables(TABLE *from,TABLE *to,
to->file->extra(HA_EXTRA_NO_IGNORE_DUP_KEY);
ha_enable_transaction(thd,TRUE);
/* Turn off NO_AUTO_VALUE_ON_ZERO if it was not already off */
if (!no_auto_on_zero)
thd->variables.sql_mode= old_sql_mode;
/*
Ensure that the new table is saved properly to disk so that we
can do a rename