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MDEV-11108: Assertion `uniq_tuple_length_arg <= table->file->max_key_length()' failed in SJ_TMP_TABLE::create_sj_weedout_tmp_table

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Removed the assert from the if clause to the else clause.
This commit is contained in:
Varun Gupta 2017-01-24 01:21:43 +05:30
parent 45e40892c5
commit 1f3ad6a4ba
3 changed files with 29 additions and 1 deletions
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13
mysql-test/r/subselect_sj2.result
View File

@ -1318,5 +1318,18 @@ id
1 1
2 2
drop table t1,t2,t3; drop table t1,t2,t3;
#
# MDEV-11108: Assertion `uniq_tuple_length_arg <= table->file->max_key_length()' failed in SJ_TMP_TABLE::create_sj_weedout_tmp_table
#
CREATE TABLE t1 (a INT) ENGINE=InnoDB;
CREATE TABLE t2 (pk BLOB, b INT, PRIMARY KEY(pk(1000))) ENGINE=InnoDB;
CREATE TABLE t3 (c INT) ENGINE=InnoDB;
CREATE OR REPLACE ALGORITHM=MERGE VIEW v3 AS SELECT * FROM t3;
INSERT INTO t3 VALUES (1),(2),(3),(4),(5),(6),(7),(8);
SELECT * FROM t1, t2
WHERE a IN ( SELECT b FROM t2 LEFT JOIN v3 ON ( c = b ) ) ;
a pk b
DROP TABLE t1,t2,t3;
DROP VIEW v3;
# This must be the last in the file: # This must be the last in the file:
set optimizer_switch=@subselect_sj2_tmp; set optimizer_switch=@subselect_sj2_tmp;

15
mysql-test/t/subselect_sj2.test
View File

@ -1449,5 +1449,20 @@ SELECT * FROM t1 WHERE t1.id IN (
drop table t1,t2,t3; drop table t1,t2,t3;
--echo #
--echo # MDEV-11108: Assertion `uniq_tuple_length_arg <= table->file->max_key_length()' failed in SJ_TMP_TABLE::create_sj_weedout_tmp_table
--echo #
CREATE TABLE t1 (a INT) ENGINE=InnoDB;
CREATE TABLE t2 (pk BLOB, b INT, PRIMARY KEY(pk(1000))) ENGINE=InnoDB;
CREATE TABLE t3 (c INT) ENGINE=InnoDB;
CREATE OR REPLACE ALGORITHM=MERGE VIEW v3 AS SELECT * FROM t3;
INSERT INTO t3 VALUES (1),(2),(3),(4),(5),(6),(7),(8);
SELECT * FROM t1, t2
WHERE a IN ( SELECT b FROM t2 LEFT JOIN v3 ON ( c = b ) ) ;
DROP TABLE t1,t2,t3;
DROP VIEW v3;
--echo # This must be the last in the file: --echo # This must be the last in the file:
set optimizer_switch=@subselect_sj2_tmp; set optimizer_switch=@subselect_sj2_tmp;

2
sql/opt_subselect.cc
View File

@ -4053,13 +4053,13 @@ SJ_TMP_TABLE::create_sj_weedout_tmp_table(THD *thd)
share->db_plugin= ha_lock_engine(0, TMP_ENGINE_HTON); share->db_plugin= ha_lock_engine(0, TMP_ENGINE_HTON);
table->file= get_new_handler(share, &table->mem_root, table->file= get_new_handler(share, &table->mem_root,
share->db_type()); share->db_type());
DBUG_ASSERT(uniq_tuple_length_arg <= table->file->max_key_length());
} }
else else
{ {
share->db_plugin= ha_lock_engine(0, heap_hton); share->db_plugin= ha_lock_engine(0, heap_hton);
table->file= get_new_handler(share, &table->mem_root, table->file= get_new_handler(share, &table->mem_root,
share->db_type()); share->db_type());
DBUG_ASSERT(uniq_tuple_length_arg <= table->file->max_key_length());
} }
if (!table->file) if (!table->file)
goto err; goto err;