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mysql-test/r/union.result: sect of uncachable union mysql-test/t/union.test: sect of uncachable union sql/sql_lex.h: fixed uncachable union
148 lines
5.8 KiB
Text
148 lines
5.8 KiB
Text
#
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# Test of unions
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#
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--disable_warnings
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drop table if exists t1,t2,t3;
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--enable_warnings
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CREATE TABLE t1 (a int not null, b char (10) not null);
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insert into t1 values(1,'a'),(2,'b'),(3,'c'),(3,'c');
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CREATE TABLE t2 (a int not null, b char (10) not null);
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insert into t2 values (3,'c'),(4,'d'),(5,'f'),(6,'e');
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select a,b from t1 union select a,b from t2;
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select a,b from t1 union all select a,b from t2;
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select a,b from t1 union all select a,b from t2 order by b;
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select a,b from t1 union all select a,b from t2 union select 7,'g';
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select 0,'#' union select a,b from t1 union all select a,b from t2 union select 7,'gg';
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select a,b from t1 union select a,b from t1;
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select 't1',b,count(*) from t1 group by b UNION select 't2',b,count(*) from t2 group by b;
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#test alternate syntax for unions
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(select a,b from t1 limit 2) union all (select a,b from t2 order by a) limit 4;
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(select a,b from t1 limit 2) union all (select a,b from t2 order by a limit 1);
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(select a,b from t1 limit 2) union all (select a,b from t2 order by a limit 1) order by b desc;
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--error 1248
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(select a,b from t1 limit 2) union all (select a,b from t2 order by a limit 1) order by t1.b;
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explain (select a,b from t1 limit 2) union all (select a,b from t2 order by a limit 1) order by b desc;
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#(select sql_calc_found_rows a,b from t1 limit 2) union all (select a,b from t2 order by a) limit 2;
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select found_rows();
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#
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# Test some error conditions with UNION
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#
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explain select a,b from t1 union all select a,b from t2;
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--error 1054
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explain select xx from t1 union select 1;
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explain select a,b from t1 union select 1;
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explain select 1 union select a,b from t1 union select 1;
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explain select a,b from t1 union select 1 limit 0;
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--error 1221
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select a,b from t1 into outfile 'skr' union select a,b from t2;
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--error 1221
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select a,b from t1 order by a union select a,b from t2;
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--error 1221
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insert into t3 select a from t1 order by a union select a from t2;
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--error 1222
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create table t3 select a,b from t1 union select a from t2;
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--error 1222
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select a,b from t1 union select a from t2;
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--error 1222
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select * from t1 union select a from t2;
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--error 1222
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select a from t1 union select * from t2;
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--error 1234
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select * from t1 union select SQL_BUFFER_RESULT * from t2;
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# Test CREATE, INSERT and REPLACE
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create table t3 select a,b from t1 union all select a,b from t2;
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insert into t3 select a,b from t1 union all select a,b from t2;
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replace into t3 select a,b as c from t1 union all select a,b from t2;
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drop table t1,t2,t3;
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#
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# Test bug reported by joc@presence-pc.com
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#
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CREATE TABLE t1 (
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`pseudo` char(35) NOT NULL default '',
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`pseudo1` char(35) NOT NULL default '',
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`same` tinyint(1) unsigned NOT NULL default '1',
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PRIMARY KEY (`pseudo1`),
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KEY `pseudo` (`pseudo`)
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) TYPE=MyISAM;
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INSERT INTO t1 (pseudo,pseudo1,same) VALUES ('joce', 'testtt', 1),('joce', 'tsestset', 1),('dekad', 'joce', 1);
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SELECT pseudo FROM t1 WHERE pseudo1='joce' UNION SELECT pseudo FROM t1 WHERE pseudo='joce';
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SELECT pseudo1 FROM t1 WHERE pseudo1='joce' UNION SELECT pseudo1 FROM t1 WHERE pseudo='joce';
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SELECT * FROM t1 WHERE pseudo1='joce' UNION SELECT * FROM t1 WHERE pseudo='joce' order by pseudo desc,pseudo1 desc;
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SELECT pseudo1 FROM t1 WHERE pseudo='joce' UNION SELECT pseudo FROM t1 WHERE pseudo1='joce';
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SELECT pseudo1 FROM t1 WHERE pseudo='joce' UNION ALL SELECT pseudo FROM t1 WHERE pseudo1='joce';
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SELECT pseudo1 FROM t1 WHERE pseudo='joce' UNION SELECT 1;
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drop table t1;
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create table t1 (a int);
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create table t2 (a int);
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insert into t1 values (1),(2),(3),(4),(5);
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insert into t2 values (11),(12),(13),(14),(15);
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(select * from t1 limit 2) union (select * from t2 limit 3) limit 4;
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(select * from t1 limit 2) union (select * from t2 limit 3);
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(select * from t1 limit 2) union (select * from t2 limit 20,3);
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set SQL_SELECT_LIMIT=2;
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(select * from t1 limit 1) union (select * from t2 limit 3);
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set SQL_SELECT_LIMIT=DEFAULT;
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drop table t1,t2;
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--error 1096
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select * union select 1;
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select 1 as a,(select a union select a);
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--disable_warnings
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drop table if exists t1,t2;
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--enable_warnings
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CREATE TABLE t1 ( id int(3) unsigned default '0') TYPE=MyISAM;
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INSERT INTO t1 (id) VALUES("1");
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CREATE TABLE t2 ( id int(3) unsigned default '0', id_master int(5) default '0', text1 varchar(5) default NULL, text2 varchar(5) default NULL) TYPE=MyISAM;
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INSERT INTO t2 (id, id_master, text1, text2) VALUES("1", "1",
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"foo1", "bar1");
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INSERT INTO t2 (id, id_master, text1, text2) VALUES("2", "1",
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"foo2", "bar2");
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INSERT INTO t2 (id, id_master, text1, text2) VALUES("3", "1", NULL,
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"bar3");
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INSERT INTO t2 (id, id_master, text1, text2) VALUES("4", "1",
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"foo4", "bar4");
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SELECT 1 AS id_master, 1 AS id, NULL AS text1, 'ABCDE' AS text2 UNION SELECT id_master, t2.id, text1, text2 FROM t1 LEFT JOIN t2 ON t1.id = t2.id_master;
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SELECT 1 AS id_master, 1 AS id, 'ABCDE' AS text1, 'ABCDE' AS text2 UNION SELECT id_master, t2.id, text1, text2 FROM t1 LEFT JOIN t2 ON t1.id = t2.id_master;
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drop table if exists t1,t2;
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(SELECT 1,3) UNION (SELECT 2,1) ORDER BY (SELECT 2);
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#
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# Test of bug when using the same table multiple times
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#
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create table t1 (a int not null primary key auto_increment, b int, key(b));
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create table t2 (a int not null primary key auto_increment, b int);
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insert into t1 (b) values (1),(2),(2),(3);
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insert into t2 (b) values (10),(11),(12),(13);
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explain (select * from t1 where a=1) union (select * from t2 where a=1);
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(select * from t1 where a=5) union (select * from t2 where a=1);
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(select * from t1 where a=5 and a=6) union (select * from t2 where a=1);
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(select t1.a,t1.b from t1,t2 where t1.a=5) union (select * from t2 where a=1);
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(select * from t1 where a=1) union (select t1.a,t2.a from t1,t2 where t1.a=t2.a);
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explain (select * from t1 where a=1 and b=10) union (select t1.a,t2.a from t1,t2 where t1.a=t2.a);
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explain (select * from t1 where a=1) union (select * from t1 where b=1);
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drop table t1,t2;
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--error 1054
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(select 1) union (select 2) order by 0;
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SELECT @a:=1 UNION SELECT @a:=@a+1;
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