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| author | Georgi Kodinov <kgeorge@mysql.com> | 2008-12-09 20:35:02 +0200 |
|---|---|---|
| committer | Georgi Kodinov <kgeorge@mysql.com> | 2008-12-09 20:35:02 +0200 |
| commit | 979974c53ba88f66c2c00b803159599b6856ab21 (patch) | |
| tree | 0db843e1daa7ae2e3211dd641d435f7584a1a8c6 /mysql-test/t/explain.test | |
| parent | cbe1a8a0f937dd37901f13963573a16bdf3e5c26 (diff) | |
| download | mariadb-git-979974c53ba88f66c2c00b803159599b6856ab21.tar.gz | |
backported the fix for bug #34773 to 5.0
Diffstat (limited to 'mysql-test/t/explain.test')
| -rw-r--r-- | mysql-test/t/explain.test | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/mysql-test/t/explain.test b/mysql-test/t/explain.test index c9ae8aceaf6..0247aca82df 100644 --- a/mysql-test/t/explain.test +++ b/mysql-test/t/explain.test @@ -94,4 +94,33 @@ EXPLAIN SELECT 1 FROM DROP TABLE t2; DROP TABLE t1; +# +# Bug #34773: query with explain extended and derived table / other table +# crashes server +# + +CREATE TABLE t1(a INT); +CREATE TABLE t2(a INT); +INSERT INTO t1 VALUES (1),(2); +INSERT INTO t2 VALUES (1),(2); + +EXPLAIN EXTENDED SELECT 1 + FROM (SELECT COUNT(DISTINCT t1.a) FROM t1,t2 GROUP BY t1.a) AS s1; + +EXPLAIN EXTENDED SELECT 1 + FROM (SELECT COUNT(DISTINCT t1.a) FROM t1,t2 GROUP BY t1.a) AS s1; + +prepare s1 from +'EXPLAIN EXTENDED SELECT 1 + FROM (SELECT COUNT(DISTINCT t1.a) FROM t1,t2 GROUP BY t1.a) AS s1'; +execute s1; + +prepare s1 from +'EXPLAIN EXTENDED SELECT 1 + FROM (SELECT COUNT(DISTINCT t1.a) FROM t1,t2 GROUP BY t1.a) AS s1'; +execute s1; +execute s1; + +DROP TABLE t1,t2; + # End of 5.0 tests. |