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MDEV-11363: Assertion `!derived->first_sel ect()->first_inner_unit() || derived->first_select()->first_inner_unit()->first_select()-> exclude_from_table_unique_test' failed in TABLE_LIST::set_check_materialized()

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Do not try to materialize derived table which already merged (irreversebly).
This commit is contained in:
Oleksandr Byelkin
2017-03-08 16:12:17 +01:00
parent 70a0500d3c
commit 8e05953dad
3 changed files with 36 additions and 1 deletions
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2
sql/sql_base.cc
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@ -1060,7 +1060,7 @@ next:
{
/* Try to fix */
TABLE_LIST *derived= res->belong_to_derived;
if (derived->is_merged_derived())
if (derived->is_merged_derived() && !derived->derived->is_excluded())
{
DBUG_PRINT("info",
("convert merged to materialization to resolve the conflict"));