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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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16
mysql-test/r/derived.result
View File

@ -1080,5 +1080,21 @@ f
drop view v1; drop view v1;
drop table t1; drop table t1;
# #
# 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()
#
CREATE TABLE t1 (f1 INT);
CREATE TABLE t2 (f2 INT);
CREATE TABLE t3 (f3 INT);
CREATE VIEW v1 AS ( SELECT f1 AS f FROM t1 ) UNION ( SELECT f2 AS f FROM t2 );
CREATE VIEW v2 AS SELECT f3 AS f FROM t3;
CREATE VIEW v3 AS SELECT f FROM ( SELECT f3 AS f FROM v1, t3 ) AS sq;
CREATE VIEW v4 AS SELECT COUNT(*) as f FROM v3;
REPLACE INTO v2 ( SELECT * FROM v4 ) UNION ( SELECT f FROM v2 );
drop view v1,v2,v3,v4;
drop table t1,t2,t3;
#
# End of 10.2 tests # End of 10.2 tests
# #

19
mysql-test/t/derived.test
View File

@ -928,6 +928,25 @@ EXECUTE stmt;
drop view v1; drop view v1;
drop table t1; drop table t1;
--echo #
--echo # MDEV-11363: Assertion `!derived->first_sel ect()->first_inner_unit() ||
--echo # derived->first_select()->first_inner_unit()->first_select()->
--echo # exclude_from_table_unique_test' failed in
--echo # TABLE_LIST::set_check_materialized()
--echo #
CREATE TABLE t1 (f1 INT);
CREATE TABLE t2 (f2 INT);
CREATE TABLE t3 (f3 INT);
CREATE VIEW v1 AS ( SELECT f1 AS f FROM t1 ) UNION ( SELECT f2 AS f FROM t2 );
CREATE VIEW v2 AS SELECT f3 AS f FROM t3;
CREATE VIEW v3 AS SELECT f FROM ( SELECT f3 AS f FROM v1, t3 ) AS sq;
CREATE VIEW v4 AS SELECT COUNT(*) as f FROM v3;
REPLACE INTO v2 ( SELECT * FROM v4 ) UNION ( SELECT f FROM v2 );
drop view v1,v2,v3,v4;
drop table t1,t2,t3;
--echo # --echo #
--echo # End of 10.2 tests --echo # End of 10.2 tests
--echo # --echo #

2
sql/sql_base.cc
View File

@ -1060,7 +1060,7 @@ next:
{ {
/* Try to fix */ /* Try to fix */
TABLE_LIST *derived= res->belong_to_derived; TABLE_LIST *derived= res->belong_to_derived;
if (derived->is_merged_derived()) if (derived->is_merged_derived() && !derived->derived->is_excluded())
{ {
DBUG_PRINT("info", DBUG_PRINT("info",
("convert merged to materialization to resolve the conflict")); ("convert merged to materialization to resolve the conflict"));