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MDEV-18816 Assertion `sel->quick' failed in JOIN::make_range_rowid_filters

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Do not build range filters with detected impossible WHERE.
Anyway conditions cannot be used anymore to extract ranges for filters.
This commit is contained in:
Igor Babaev
2019-03-05 23:42:04 -08:00
parent a36ac52f93
commit 7b9981fbdf
4 changed files with 105 additions and 0 deletions
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8
sql/sql_select.cc
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@ -1581,6 +1581,13 @@ bool JOIN::make_range_rowid_filters()
{
DBUG_ENTER("make_range_rowid_filters");
/*
Do not build range filters with detected impossible WHERE.
Anyway conditions cannot be used anymore to extract ranges for filters.
*/
if (const_table_map != found_const_table_map)
DBUG_RETURN(0);
JOIN_TAB *tab;
for (tab= first_linear_tab(this, WITH_BUSH_ROOTS, WITHOUT_CONST_TABLES);
@ -7051,6 +7058,7 @@ void set_position(JOIN *join,uint idx,JOIN_TAB *table,KEYUSE *key)
// join->positions[idx].loosescan_key= MAX_KEY; /* Not a LooseScan */
join->positions[idx].sj_strategy= SJ_OPT_NONE;
join->positions[idx].use_join_buffer= FALSE;
join->positions[idx].range_rowid_filter_info= 0;
/* Move the const table as down as possible in best_ref */
JOIN_TAB **pos=join->best_ref+idx+1;