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author | Igor Babaev <igor@askmonty.org> | 2012-01-17 03:26:49 -0800 |
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committer | Igor Babaev <igor@askmonty.org> | 2012-01-17 03:26:49 -0800 |
commit | 7902a73d4cf71eada787f1f1886685bfd44ebea4 (patch) | |
tree | 95f5c5e221f7b51f2544b74444271fa0898d0f57 /mysql-test/r/innodb_ext_key.result | |
parent | 01dc15f3a7b7d9bc3f8747142de31ba678661a13 (diff) | |
download | mariadb-git-7902a73d4cf71eada787f1f1886685bfd44ebea4.tar.gz |
Fixed LP bug #914560.
The patch for MWL #247 forgot to initialize the TABLE::ext_key_parts and
TABLE::ext_key_flags of the temporary tables by a query. This could cause
crashes for queries the execution of which needed creation of temporary
tables.
Diffstat (limited to 'mysql-test/r/innodb_ext_key.result')
-rw-r--r-- | mysql-test/r/innodb_ext_key.result | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/mysql-test/r/innodb_ext_key.result b/mysql-test/r/innodb_ext_key.result index 7518d78dda4..57377271fc7 100644 --- a/mysql-test/r/innodb_ext_key.result +++ b/mysql-test/r/innodb_ext_key.result @@ -561,6 +561,29 @@ Handler_read_next 3 Handler_read_prev 0 Handler_read_rnd 0 Handler_read_rnd_next 0 -set optimizer_switch=@save_ext_key_optimizer_switch; DROP DATABASE dbt3_s001; +use test; +# +# LP Bug #914560: query containing IN subquery +# + extended_keys = on +# +set @save_optimizer_switch=@@optimizer_switch; +SET optimizer_switch='materialization=on,semijoin=on'; +SET optimizer_switch='extended_keys=on'; +CREATE TABLE t1 (a int, b int) ENGINE=MyISAM; +INSERT INTO t1 VALUES (1,1), (2,2); +SELECT * FROM t1 WHERE 2 IN (SELECT MAX(s1.a) FROM t1 AS s1, t1 AS s2); +a b +1 1 +2 2 +EXPLAIN +SELECT * FROM t1 WHERE 2 IN (SELECT MAX(s1.a) FROM t1 AS s1, t1 AS s2); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY <subquery2> const distinct_key distinct_key 5 const 1 +1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using join buffer (flat, BNL join) +2 MATERIALIZED s1 ALL NULL NULL NULL NULL 2 +2 MATERIALIZED s2 ALL NULL NULL NULL NULL 2 Using join buffer (flat, BNL join) +DROP TABLE t1; +set optimizer_switch=@save_optimizer_switch; +set optimizer_switch=@save_ext_key_optimizer_switch; SET SESSION STORAGE_ENGINE=DEFAULT; |