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merge with 4.0

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This commit is contained in:
monty@mysql.com
2004-03-16 22:41:30 +02:00
parent 861bf3c8c0 325f661525
commit 350b433569
195 changed files with 2651 additions and 4109 deletions
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23
sql/sql_select.cc
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@ -2635,6 +2635,8 @@ find_best(JOIN *join,table_map rest_tables,uint idx,double record_count,
ha_rows rec;
double tmp;
THD *thd= join->thd;
if (thd->killed) // Abort
return;
if (!rest_tables)
{
@ -5452,13 +5454,22 @@ free_tmp_table(THD *thd, TABLE *entry)
save_proc_info=thd->proc_info;
thd->proc_info="removing tmp table";
free_blobs(entry);
if (entry->db_stat && entry->file)
if (entry->file)
{
(void) entry->file->close();
if (entry->db_stat)
{
(void) entry->file->close();
}
/*
We can't call ha_delete_table here as the table may created in mixed case
here and we have to ensure that delete_table gets the table name in
the original case.
*/
if (!(test_flags & TEST_KEEP_TMP_TABLES) || entry->db_type == DB_TYPE_HEAP)
entry->file->delete_table(entry->real_name);
delete entry->file;
}
if (!(test_flags & TEST_KEEP_TMP_TABLES) || entry->db_type == DB_TYPE_HEAP)
(void) ha_delete_table(entry->db_type,entry->real_name);
/* free blobs */
for (Field **ptr=entry->field ; *ptr ; ptr++)
(*ptr)->free();
@ -5931,8 +5942,8 @@ join_read_const_table(JOIN_TAB *tab, POSITION *pos)
if (tab->on_expr && !table->null_row)
{
if ((table->null_row= test(tab->on_expr->val_int() == 0)))
empty_record(table);
}
mark_as_null_row(table);
}
if (!table->null_row)
table->maybe_null=0;
DBUG_RETURN(0);