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| author | unknown <Sinisa@sinisa.nasamreza.org> | 2002-06-15 20:59:42 +0300 |
|---|---|---|
| committer | unknown <Sinisa@sinisa.nasamreza.org> | 2002-06-15 20:59:42 +0300 |
| commit | fc12cafff26e9372568c71b91ee73680c77605d4 (patch) | |
| tree | 9843d9f75a46bd100e12e4677570ece39501909c /mysql-test | |
| parent | 1986f3b64d0f46fffb89bcc914e1715c80259dc9 (diff) | |
| download | mariadb-git-fc12cafff26e9372568c71b91ee73680c77605d4.tar.gz | |
Fixed a bug in optimiser with MERGE tables with non-unique values
with aggregating functions.
This consistently crashed Mysql
Diffstat (limited to 'mysql-test')
| -rw-r--r-- | mysql-test/r/merge.result | 9 | ||||
| -rw-r--r-- | mysql-test/t/merge.test | 7 |
2 files changed, 16 insertions, 0 deletions
diff --git a/mysql-test/r/merge.result b/mysql-test/r/merge.result index 9b72ff26350..1e657883253 100644 --- a/mysql-test/r/merge.result +++ b/mysql-test/r/merge.result @@ -462,3 +462,12 @@ a b 6 1 6 2 drop table if exists t6, t5, t4, t3, t2, t1; +CREATE TABLE t1 ( a int(11) NOT NULL default '0', b int(11) NOT NULL default '0', PRIMARY KEY (a,b)) TYPE=MyISAM; +INSERT INTO t1 VALUES (1,1), (2,1); +CREATE TABLE t2 ( a int(11) NOT NULL default '0', b int(11) NOT NULL default '0', PRIMARY KEY (a,b)) TYPE=MyISAM; +INSERT INTO t2 VALUES (1,2), (2,2); +CREATE TABLE t ( a int(11) NOT NULL default '0', b int(11) NOT NULL default '0', KEY a (a,b)) TYPE=MRG_MyISAM UNION=(t1,t2); +select max(b) from t where a = 2; +max(b) +NULL +drop table if exists t,t1,t2; diff --git a/mysql-test/t/merge.test b/mysql-test/t/merge.test index 5bd78769a05..de26d7eb1d3 100644 --- a/mysql-test/t/merge.test +++ b/mysql-test/t/merge.test @@ -168,3 +168,10 @@ select * from t3 order by a,b; select * from t4 order by a,b; select * from t5 order by a,b; drop table if exists t6, t5, t4, t3, t2, t1; +CREATE TABLE t1 ( a int(11) NOT NULL default '0', b int(11) NOT NULL default '0', PRIMARY KEY (a,b)) TYPE=MyISAM; +INSERT INTO t1 VALUES (1,1), (2,1); +CREATE TABLE t2 ( a int(11) NOT NULL default '0', b int(11) NOT NULL default '0', PRIMARY KEY (a,b)) TYPE=MyISAM; +INSERT INTO t2 VALUES (1,2), (2,2); +CREATE TABLE t ( a int(11) NOT NULL default '0', b int(11) NOT NULL default '0', KEY a (a,b)) TYPE=MRG_MyISAM UNION=(t1,t2); +select max(b) from t where a = 2; +drop table if exists t,t1,t2; |