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mirror of https://github.com/MariaDB/server.git synced 2025-08-08 11:22:35 +03:00

Merge 10.8 into 10.9

This commit is contained in:
Marko Mäkelä
2023-02-16 10:25:34 +02:00
327 changed files with 2896 additions and 1771 deletions

View File

@@ -4193,7 +4193,7 @@ JOIN::optimize_distinct()
}
/* Optimize "select distinct b from t1 order by key_part_1 limit #" */
if (order && skip_sort_order)
if (order && skip_sort_order && !unit->lim.is_with_ties())
{
/* Should already have been optimized away */
DBUG_ASSERT(ordered_index_usage == ordered_index_order_by);
@@ -30124,7 +30124,6 @@ void JOIN::make_notnull_conds_for_range_scans()
{
DBUG_ENTER("JOIN::make_notnull_conds_for_range_scans");
if (impossible_where ||
!optimizer_flag(thd, OPTIMIZER_SWITCH_NOT_NULL_RANGE_SCAN))
{
@@ -30204,7 +30203,6 @@ bool build_notnull_conds_for_range_scans(JOIN *join, Item *cond,
table_map allowed)
{
THD *thd= join->thd;
DBUG_ENTER("build_notnull_conds_for_range_scans");
for (JOIN_TAB *s= join->join_tab;
@@ -30212,13 +30210,13 @@ bool build_notnull_conds_for_range_scans(JOIN *join, Item *cond,
{
/* Clear all needed bitmaps to mark found fields */
if ((allowed & s->table->map) &&
!(s->table->map && join->const_table_map))
!(s->table->map & join->const_table_map))
bitmap_clear_all(&s->table->tmp_set);
}
/*
Find all null-rejected fields assuming that cond is null-rejected and
only formulas over tables from 'allowed' are to be taken into account
only formulas over tables from 'allowed' are to be taken into account
*/
if (cond->find_not_null_fields(allowed))
DBUG_RETURN(true);