mirror of
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dd0d199ebe
Note that mix_innodb_myisam_binlog and union fails after this patch (Will be fixed shortly by maintaners of this code) client/mysql.cc: After merge fix include/mysql.h: Some additions to MYSQL_BIND for cleaner prepared statement code libmysql/libmysql.c: mysql_prepare_result -> mysql_get_metadata() Added test for offset overflow when using mysql_fetch_column() Cleaned up mysql_fetch_column() Optimized fetch_result() usage mysql-test/r/func_group.result: Updated results after merge mysql-test/r/func_test.result: Updated results after merge mysql-test/r/grant.result: Updated results after merge mysql-test/r/loaddata.result: Updated results after merge mysql-test/r/lowercase_table.result: Updated results after merge mysql-test/r/mix_innodb_myisam_binlog.result: Updated results after merge (note that this is still not correct; Need patch to mysqld to fix this properly) mysql-test/r/myisam.result: Updated results after merge mysql-test/r/range.result: Updated results after merge mysql-test/r/rpl_loaddata.result: Updated results after merge mysql-test/r/rpl_loaddata_rule_m.result: Updated results after merge mysql-test/r/rpl_loaddata_rule_s.result: Updated results after merge mysql-test/r/rpl_log.result: Updated results after merge mysql-test/r/union.result: Updated results after merge mysql-test/t/lowercase_table.test: Update after merge mysql-test/t/myisam.test: Update after merge mysql-test/t/union.test: Update after merge sql-bench/compare-results.sh: Fix for now output format sql/field.h: Added is_null_in_record() to make ha_innodb.cc code more general sql/ha_innodb.cc: Removed some functions that uses inernal (private) MySQL information sql/item_cmpfunc.cc: After merge fix sql/log_event.cc: After merge fix; (Some code should be checked by Guilhem) sql/opt_range.cc: Simple optimzation and after merge fixes sql/slave.cc: After merge fix sql/sql_acl.cc: After merge fix + code cleanup sql/sql_select.cc: After merge fix sql/sql_show.cc: After merge fix sql/sql_table.cc: After merge fix Cleanup of mysql_checksum_table() sql/sql_union.cc: After merge fixes. Note that after this the union test still fails; Will be fixed shortly... tests/client_test.c: mysql_prepare_result() -> mysql_get_metadata()
507 lines
14 KiB
Text
507 lines
14 KiB
Text
drop table if exists t1,t2,t3,t4,t5,t6;
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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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a b
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1 a
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2 b
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3 c
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4 d
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5 f
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6 e
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select a,b from t1 union all select a,b from t2;
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a b
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1 a
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2 b
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3 c
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3 c
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3 c
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4 d
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5 f
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6 e
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select a,b from t1 union all select a,b from t2 order by b;
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a b
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1 a
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2 b
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3 c
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3 c
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3 c
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4 d
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6 e
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5 f
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select a,b from t1 union all select a,b from t2 union select 7,'g';
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a b
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1 a
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2 b
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3 c
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3 c
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3 c
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4 d
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5 f
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6 e
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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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0 #
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0 #
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1 a
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2 b
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3 c
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3 c
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3 c
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4 d
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5 f
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6 e
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7 g
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select a,b from t1 union select a,b from t1;
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a b
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1 a
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2 b
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3 c
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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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t1 b count(*)
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t1 a 1
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t1 b 1
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t1 c 2
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t2 c 1
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t2 d 1
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t2 e 1
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t2 f 1
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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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a b
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1 a
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2 b
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3 c
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4 d
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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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a b
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1 a
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2 b
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3 c
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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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a b
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3 c
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2 b
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1 a
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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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ERROR 42000: Table 't1' from one of SELECT's can not be used in global ORDER clause
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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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id select_type table type possible_keys key key_len ref rows Extra
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1 PRIMARY t1 ALL NULL NULL NULL NULL 4
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2 UNION t2 ALL NULL NULL NULL NULL 4 Using filesort
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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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a b
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1 a
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2 b
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select found_rows();
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found_rows()
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6
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select sql_calc_found_rows a,b from t1 union all select a,b from t2 limit 2;
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a b
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1 a
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2 b
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select found_rows();
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found_rows()
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8
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explain select a,b from t1 union all select a,b from t2;
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id select_type table type possible_keys key key_len ref rows Extra
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1 PRIMARY t1 ALL NULL NULL NULL NULL 4
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2 UNION t2 ALL NULL NULL NULL NULL 4
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explain select xx from t1 union select 1;
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ERROR 42S22: Unknown column 'xx' in 'field list'
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explain select a,b from t1 union select 1;
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id select_type table type possible_keys key key_len ref rows Extra
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1 PRIMARY t1 ALL NULL NULL NULL NULL 4
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2 UNION NULL NULL NULL NULL NULL NULL NULL No tables used
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explain select 1 union select a,b from t1 union select 1;
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id select_type table type possible_keys key key_len ref rows Extra
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1 PRIMARY NULL NULL NULL NULL NULL NULL NULL No tables used
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2 UNION t1 ALL NULL NULL NULL NULL 4
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3 UNION NULL NULL NULL NULL NULL NULL NULL No tables used
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explain select a,b from t1 union select 1 limit 0;
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id select_type table type possible_keys key key_len ref rows Extra
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1 PRIMARY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
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2 UNION NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
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select a,b from t1 into outfile 'skr' union select a,b from t2;
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ERROR HY000: Wrong usage of UNION and INTO
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select a,b from t1 order by a union select a,b from t2;
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ERROR HY000: Wrong usage of UNION and ORDER BY
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insert into t3 select a from t1 order by a union select a from t2;
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ERROR HY000: Wrong usage of UNION and ORDER BY
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create table t3 select a,b from t1 union select a from t2;
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ERROR 21000: The used SELECT statements have a different number of columns
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select a,b from t1 union select a from t2;
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ERROR 21000: The used SELECT statements have a different number of columns
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select * from t1 union select a from t2;
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ERROR 21000: The used SELECT statements have a different number of columns
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select a from t1 union select * from t2;
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ERROR 21000: The used SELECT statements have a different number of columns
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select * from t1 union select SQL_BUFFER_RESULT * from t2;
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ERROR 42000: Wrong usage/placement of 'SQL_BUFFER_RESULT'
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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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select * union select 1;
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ERROR HY000: No tables used
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select 1 as a,(select a union select a);
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a (select a union select a)
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1 1
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(select 1) union (select 2) order by 0;
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ERROR 42S22: Unknown column '0' in 'order clause'
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SELECT @a:=1 UNION SELECT @a:=@a+1;
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@a:=1
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1
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2
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(SELECT 1) UNION (SELECT 2) ORDER BY (SELECT a);
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ERROR 42S22: Unknown column 'a' in 'field list'
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(SELECT 1,3) UNION (SELECT 2,1) ORDER BY (SELECT 2);
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1 3
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1 3
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2 1
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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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pseudo
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dekad
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joce
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SELECT pseudo1 FROM t1 WHERE pseudo1='joce' UNION SELECT pseudo1 FROM t1 WHERE pseudo='joce';
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pseudo1
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joce
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testtt
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tsestset
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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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pseudo pseudo1 same
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joce tsestset 1
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joce testtt 1
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dekad joce 1
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SELECT pseudo1 FROM t1 WHERE pseudo='joce' UNION SELECT pseudo FROM t1 WHERE pseudo1='joce';
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pseudo1
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testtt
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tsestset
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dekad
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SELECT pseudo1 FROM t1 WHERE pseudo='joce' UNION ALL SELECT pseudo FROM t1 WHERE pseudo1='joce';
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pseudo1
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testtt
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tsestset
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dekad
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SELECT pseudo1 FROM t1 WHERE pseudo='joce' UNION SELECT 1;
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pseudo1
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testtt
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tsestset
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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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a
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1
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2
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11
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12
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(select * from t1 limit 2) union (select * from t2 limit 3);
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a
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1
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2
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11
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12
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13
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(select * from t1 limit 2) union (select * from t2 limit 20,3);
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a
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1
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2
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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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a
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1
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11
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set SQL_SELECT_LIMIT=DEFAULT;
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drop table t1,t2;
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CREATE TABLE t1 (
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cid smallint(5) unsigned NOT NULL default '0',
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cv varchar(250) NOT NULL default '',
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PRIMARY KEY (cid),
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UNIQUE KEY cv (cv)
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) ;
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INSERT INTO t1 VALUES (8,'dummy');
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CREATE TABLE t2 (
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cid bigint(20) unsigned NOT NULL auto_increment,
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cap varchar(255) NOT NULL default '',
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PRIMARY KEY (cid),
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KEY cap (cap)
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) ;
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CREATE TABLE t3 (
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gid bigint(20) unsigned NOT NULL auto_increment,
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gn varchar(255) NOT NULL default '',
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must tinyint(4) default NULL,
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PRIMARY KEY (gid),
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KEY gn (gn)
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) ;
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INSERT INTO t3 VALUES (1,'V1',NULL);
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CREATE TABLE t4 (
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uid bigint(20) unsigned NOT NULL default '0',
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gid bigint(20) unsigned default NULL,
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rid bigint(20) unsigned default NULL,
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cid bigint(20) unsigned default NULL,
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UNIQUE KEY m (uid,gid,rid,cid),
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KEY uid (uid),
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KEY rid (rid),
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KEY cid (cid),
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KEY container (gid,rid,cid)
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) ;
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INSERT INTO t4 VALUES (1,1,NULL,NULL);
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CREATE TABLE t5 (
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rid bigint(20) unsigned NOT NULL auto_increment,
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rl varchar(255) NOT NULL default '',
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PRIMARY KEY (rid),
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KEY rl (rl)
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) ;
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CREATE TABLE t6 (
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uid bigint(20) unsigned NOT NULL auto_increment,
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un varchar(250) NOT NULL default '',
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uc smallint(5) unsigned NOT NULL default '0',
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PRIMARY KEY (uid),
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UNIQUE KEY nc (un,uc),
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KEY un (un)
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) ;
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INSERT INTO t6 VALUES (1,'test',8);
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SELECT t4.uid, t5.rl, t3.gn as g1, t4.cid, t4.gid as gg FROM t3, t6, t1, t4 left join t5 on t5.rid = t4.rid left join t2 on t2.cid = t4.cid WHERE t3.gid=t4.gid AND t6.uid = t4.uid AND t6.uc = t1.cid AND t1.cv = "dummy" AND t6.un = "test";
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uid rl g1 cid gg
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1 NULL V1 NULL 1
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SELECT t4.uid, t5.rl, t3.gn as g1, t4.cid, t4.gid as gg FROM t3, t6, t1, t4 left join t5 on t5.rid = t4.rid left join t2 on t2.cid = t4.cid WHERE t3.gid=t4.gid AND t6.uid = t4.uid AND t3.must IS NOT NULL AND t6.uc = t1.cid AND t1.cv = "dummy" AND t6.un = "test";
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uid rl g1 cid gg
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(SELECT t4.uid, t5.rl, t3.gn as g1, t4.cid, t4.gid as gg FROM t3, t6, t1, t4 left join t5 on t5.rid = t4.rid left join t2 on t2.cid = t4.cid WHERE t3.gid=t4.gid AND t6.uid = t4.uid AND t3.must IS NOT NULL AND t6.uc = t1.cid AND t1.cv = "dummy" AND t6.un = "test") UNION (SELECT t4.uid, t5.rl, t3.gn as g1, t4.cid, t4.gid as gg FROM t3, t6, t1, t4 left join t5 on t5.rid = t4.rid left join t2 on t2.cid = t4.cid WHERE t3.gid=t4.gid AND t6.uid = t4.uid AND t6.uc = t1.cid AND t1.cv = "dummy" AND t6.un = "test");
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uid rl g1 cid gg
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1 NULL V1 NULL 1
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drop table t1,t2,t3,t4,t5,t6;
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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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create table t3 select a,b from t1 union select a,b from t2;
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create table t4 (select a,b from t1) union (select a,b from t2) limit 2;
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insert into t4 select a,b from t1 union select a,b from t2;
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insert into t3 (select a,b from t1) union (select a,b from t2) limit 2;
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select * from t3;
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a b
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1 a
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2 b
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3 c
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4 d
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5 f
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6 e
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1 a
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2 b
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select * from t4;
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a b
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1 a
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2 b
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1 a
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2 b
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3 c
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4 d
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5 f
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6 e
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drop table t1,t2,t3,t4;
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create table t1 (a int);
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insert into t1 values (1),(2),(3);
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create table t2 (a int);
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insert into t2 values (3),(4),(5);
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(SELECT SQL_CALC_FOUND_ROWS * FROM t1) UNION all (SELECT * FROM t2) LIMIT 1;
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a
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1
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select found_rows();
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found_rows()
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6
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(SELECT SQL_CALC_FOUND_ROWS * FROM t1 LIMIT 1) UNION all (SELECT * FROM t2) LIMIT 2;
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a
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1
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3
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select found_rows();
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found_rows()
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4
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(SELECT SQL_CALC_FOUND_ROWS * FROM t1 LIMIT 1) UNION all (SELECT * FROM t2);
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a
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1
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3
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4
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5
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select found_rows();
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found_rows()
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4
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(SELECT SQL_CALC_FOUND_ROWS * FROM t1) UNION all (SELECT * FROM t2 LIMIT 1);
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a
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1
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2
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3
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3
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select found_rows();
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found_rows()
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4
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(SELECT SQL_CALC_FOUND_ROWS * FROM t1 LIMIT 1) UNION SELECT * FROM t2 LIMIT 1;
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ERROR 42000: You have an error in your SQL syntax. Check the manual that corresponds to your MySQL server version for the right syntax to use
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SELECT SQL_CALC_FOUND_ROWS * FROM t1 LIMIT 1 UNION all SELECT * FROM t2 LIMIT 2;
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a
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1
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3
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select found_rows();
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found_rows()
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6
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SELECT SQL_CALC_FOUND_ROWS * FROM t1 UNION all SELECT * FROM t2 LIMIT 2;
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a
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1
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2
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select found_rows();
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found_rows()
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6
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SELECT SQL_CALC_FOUND_ROWS * FROM t1 UNION SELECT * FROM t2 LIMIT 2;
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a
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1
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2
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select found_rows();
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found_rows()
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6
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SELECT SQL_CALC_FOUND_ROWS * FROM t1 UNION SELECT * FROM t2 LIMIT 100;
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a
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1
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2
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3
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4
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5
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select found_rows();
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found_rows()
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6
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SELECT SQL_CALC_FOUND_ROWS * FROM t1 LIMIT 100 UNION SELECT * FROM t2;
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a
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1
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2
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3
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4
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5
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select found_rows();
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found_rows()
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5
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SELECT SQL_CALC_FOUND_ROWS * FROM t1 LIMIT 1 UNION SELECT * FROM t2;
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a
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1
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3
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4
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5
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select found_rows();
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found_rows()
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6
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SELECT SQL_CALC_FOUND_ROWS * FROM t1 LIMIT 1 UNION SELECT * FROM t2 LIMIT 2;
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a
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1
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3
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select found_rows();
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found_rows()
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6
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SELECT SQL_CALC_FOUND_ROWS * FROM t1 UNION SELECT * FROM t2 LIMIT 2,2;
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a
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3
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4
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select found_rows();
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found_rows()
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6
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SELECT SQL_CALC_FOUND_ROWS * FROM t1 limit 2,2 UNION SELECT * FROM t2;
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a
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3
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4
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5
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select found_rows();
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found_rows()
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5
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SELECT * FROM t1 UNION SELECT * FROM t2 ORDER BY a desc LIMIT 1;
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a
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5
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(SELECT * FROM t1 ORDER by a) UNION ALL (SELECT * FROM t2 ORDER BY a) ORDER BY A desc LIMIT 4;
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a
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5
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4
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3
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3
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(SELECT * FROM t1) UNION all (SELECT SQL_CALC_FOUND_ROWS * FROM t2) LIMIT 1;
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ERROR 42000: Wrong usage/placement of 'SQL_CALC_FOUND_ROWS'
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drop table t1,t2;
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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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id_master id text1 text2
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1 1 NULL ABCDE
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1 1 bar1
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1 2 bar2
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1 3 NULL bar3
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1 4 bar4
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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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id_master id text1 text2
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1 1 ABCDE ABCDE
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1 1 foo1 bar1
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1 2 foo2 bar2
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1 3 NULL bar3
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1 4 foo4 bar4
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drop table if exists t1,t2;
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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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id select_type table type possible_keys key key_len ref rows Extra
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1 PRIMARY t1 const PRIMARY PRIMARY 4 const 1
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2 UNION t2 const PRIMARY PRIMARY 4 const 1
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(select * from t1 where a=5) union (select * from t2 where a=1);
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a b
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1 10
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(select * from t1 where a=5 and a=6) union (select * from t2 where a=1);
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a b
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1 10
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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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a b
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1 10
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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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a b
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1 1
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2 2
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3 3
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4 4
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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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id select_type table type possible_keys key key_len ref rows Extra
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1 PRIMARY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
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2 UNION t1 index PRIMARY PRIMARY 4 NULL 4 Using index
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2 UNION t2 index PRIMARY PRIMARY 4 NULL 3 Using where; Using index
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explain (select * from t1 where a=1) union (select * from t1 where b=1);
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id select_type table type possible_keys key key_len ref rows Extra
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1 PRIMARY t1 const PRIMARY PRIMARY 4 const 1
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2 UNION t1 ref b b 5 const 1 Using where
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drop table t1,t2;
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create table t1 ( id int not null auto_increment, primary key (id) ,user_name text );
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create table t2 ( id int not null auto_increment, primary key (id) ,group_name text );
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create table t3 ( id int not null auto_increment, primary key (id) ,user_id int ,index user_idx (user_id) ,foreign key (user_id) references users(id) ,group_id int ,index group_idx (group_id) ,foreign key (group_id) references groups(id) );
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insert into t1 (user_name) values ('Tester');
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insert into t2 (group_name) values ('Group A');
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insert into t2 (group_name) values ('Group B');
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insert into t3 (user_id, group_id) values (1,1);
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select 1 'is_in_group', a.user_name, c.group_name, b.id from t1 a, t3 b, t2 c where a.id = b.user_id and b.group_id = c.id UNION select 0 'is_in_group', a.user_name, c.group_name, null from t1 a, t2 c;
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is_in_group user_name group_name id
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1 Tester Group A 1
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0 Tester Group A NULL
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0 Tester Group B NULL
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drop table t1, t2, t3;
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