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The problem there is that HAVING condition evaluates const parts of condition despite the condition has references on aggregate functions. Table t1 became const tables after make_join_statistics and table1.pk = 1, HAVING is transformed into MAX(1) < 7 and taken away from HAVING. The fix is to skip evaluation of HAVING conts parts if HAVING condition has references on aggregate functions.
567 lines
17 KiB
Text
567 lines
17 KiB
Text
# test of problems with having (Reported by Mark Rogers)
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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);
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select count(a) as b from t1 where a=0 having b > 0;
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insert into t1 values (null);
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select count(a) as b from t1 where a=0 having b > 0;
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select count(a) as b from t1 where a=0 having b >=0;
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explain extended select count(a) as b from t1 where a=0 having b >=0;
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drop table t1;
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#
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# Test of problem with HAVING and AVG()
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#
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CREATE TABLE t1 (
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raw_id int(10) NOT NULL default '0',
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chr_start int(10) NOT NULL default '0',
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chr_end int(10) NOT NULL default '0',
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raw_start int(10) NOT NULL default '0',
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raw_end int(10) NOT NULL default '0',
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raw_ori int(2) NOT NULL default '0'
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);
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INSERT INTO t1 VALUES (469713,1,164123,1,164123,1),(317330,164124,317193,101,153170,1),(469434,317194,375620,101,58527,1),(591816,375621,484273,1,108653,1),(591807,484274,534671,91,50488,1),(318885,534672,649362,101,114791,1),(318728,649363,775520,102,126259,1),(336829,775521,813997,101,38577,1),(317740,813998,953227,101,139330,1),(1,813998,953227,101,139330,1);
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CREATE TABLE t2 (
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id int(10) unsigned NOT NULL default '0',
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contig_id int(10) unsigned NOT NULL default '0',
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seq_start int(10) NOT NULL default '0',
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seq_end int(10) NOT NULL default '0',
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strand tinyint(2) NOT NULL default '0',
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KEY id (id)
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);
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INSERT INTO t2 VALUES (133195,469713,61327,61384,1),(133196,469713,64113,64387,1),(133197,1,1,1,0),(133197,1,1,1,-2);
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SELECT e.id,
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MIN( IF(sgp.raw_ori=1,
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(e.seq_start+sgp.chr_start-sgp.raw_start),
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(sgp.chr_start+sgp.raw_end-e.seq_end))) as start,
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MAX( IF(sgp.raw_ori=1,
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(e.seq_end+sgp.chr_start-sgp.raw_start),
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(sgp.chr_start+sgp.raw_end-e.seq_start))) as end,
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AVG(IF (sgp.raw_ori=1,e.strand,(-e.strand))) as chr_strand
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FROM t1 sgp,
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t2 e
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WHERE sgp.raw_id=e.contig_id
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GROUP BY e.id
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HAVING chr_strand= -1 and end >= 0
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AND start <= 999660;
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drop table t1,t2;
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#
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# Test problem with having and MAX() IS NOT NULL
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#
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CREATE TABLE t1 (Fld1 int(11) default NULL,Fld2 int(11) default NULL);
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INSERT INTO t1 VALUES (1,10),(1,20),(2,NULL),(2,NULL),(3,50);
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select Fld1, max(Fld2) as q from t1 group by Fld1 having q is not null;
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select Fld1, max(Fld2) from t1 group by Fld1 having max(Fld2) is not null;
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select Fld1, max(Fld2) from t1 group by Fld1 having avg(Fld2) is not null;
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select Fld1, max(Fld2) from t1 group by Fld1 having std(Fld2) is not null;
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select Fld1, max(Fld2) from t1 group by Fld1 having variance(Fld2) is not null;
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drop table t1;
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#
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# Test problem with count(distinct) in having
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#
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create table t1 (id int not null, qty int not null);
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insert into t1 values (1,2),(1,3),(2,4),(2,5);
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select id, sum(qty) as sqty from t1 group by id having sqty>2;
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select sum(qty) as sqty from t1 group by id having count(id) > 0;
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select sum(qty) as sqty from t1 group by id having count(distinct id) > 0;
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drop table t1;
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#
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# Test case for Bug #4358 Problem with HAVING clause that uses alias from the
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# select list and TEXT field
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#
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CREATE TABLE t1 (
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`id` bigint(20) NOT NULL default '0',
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`description` text
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) ENGINE=MyISAM;
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CREATE TABLE t2 (
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`id` bigint(20) NOT NULL default '0',
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`description` varchar(20)
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) ENGINE=MyISAM;
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INSERT INTO t1 VALUES (1, 'test');
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INSERT INTO t2 VALUES (1, 'test');
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CREATE TABLE t3 (
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`id` bigint(20) NOT NULL default '0',
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`order_id` bigint(20) NOT NULL default '0'
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) ENGINE=MyISAM;
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select
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a.id, a.description,
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count(b.id) as c
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from t1 a left join t3 b on a.id=b.order_id
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group by a.id, a.description
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having (a.description is not null) and (c=0);
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select
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a.*,
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count(b.id) as c
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from t2 a left join t3 b on a.id=b.order_id
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group by a.id, a.description
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having (a.description is not null) and (c=0);
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INSERT INTO t1 VALUES (2, 'test2');
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select
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a.id, a.description,
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count(b.id) as c
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from t1 a left join t3 b on a.id=b.order_id
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group by a.id, a.description
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having (a.description is not null) and (c=0);
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drop table t1,t2,t3;
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#
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# Bug #14274: HAVING clause containing only set function
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#
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CREATE TABLE t1 (a int);
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INSERT INTO t1 VALUES (3), (4), (1), (3), (1);
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SELECT SUM(a) FROM t1 GROUP BY a HAVING SUM(a)>0;
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SELECT SUM(a) FROM t1 GROUP BY a HAVING SUM(a);
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DROP TABLE t1;
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#
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# Bug #14927: HAVING clause containing constant false conjunct
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#
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CREATE TABLE t1 (a int);
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INSERT INTO t1 VALUES (1), (2), (1), (3), (2), (1);
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SELECT a FROM t1 GROUP BY a HAVING a > 1;
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SELECT a FROM t1 GROUP BY a HAVING 1 != 1 AND a > 1;
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SELECT 0 AS x, a FROM t1 GROUP BY x,a HAVING x=1 AND a > 1;
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EXPLAIN SELECT a FROM t1 GROUP BY a HAVING 1 != 1 AND a > 1;
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EXPLAIN SELECT 0 AS x, a FROM t1 GROUP BY x,a HAVING x=1 AND a > 1;
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DROP table t1;
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#
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# Bug #29911: HAVING clause depending on constant table and evaluated to false
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#
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CREATE TABLE t1 (a int PRIMARY KEY);
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CREATE TABLE t2 (b int PRIMARY KEY, a int);
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CREATE TABLE t3 (b int, flag int);
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INSERT INTO t1 VALUES (1);
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INSERT INTO t2 VALUES (1,1), (2,1), (3,1);
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INSERT INTO t3(b,flag) VALUES (2, 1);
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SELECT t1.a
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FROM t1 INNER JOIN t2 ON t1.a=t2.a LEFT JOIN t3 ON t2.b=t3.b
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GROUP BY t1.a, t2.b HAVING MAX(t3.flag)=0;
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SELECT DISTINCT t1.a, MAX(t3.flag)
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FROM t1 INNER JOIN t2 ON t1.a=t2.a LEFT JOIN t3 ON t2.b=t3.b
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GROUP BY t1.a, t2.b HAVING MAX(t3.flag)=0;
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SELECT DISTINCT t1.a
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FROM t1 INNER JOIN t2 ON t1.a=t2.a LEFT JOIN t3 ON t2.b=t3.b
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GROUP BY t1.a, t2.b HAVING MAX(t3.flag)=0;
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DROP TABLE t1,t2,t3;
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# End of 4.1 tests
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#
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# Tests for WL#1972 CORRECT EVALUATION OF COLUMN REFERENCES IN THE HAVING CLAUSE
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# Per the SAP VERI tests and WL#1972, MySQL must ensure that HAVING can
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# correctly evaluate column references from the GROUP BY clause, even if the
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# same references are not also found in the select list.
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#
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# set global sql_mode='ansi';
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# set session sql_mode='ansi';
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create table t1 (col1 int, col2 varchar(5), col_t1 int);
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create table t2 (col1 int, col2 varchar(5), col_t2 int);
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create table t3 (col1 int, col2 varchar(5), col_t3 int);
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insert into t1 values(10,'hello',10);
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insert into t1 values(20,'hello',20);
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insert into t1 values(30,'hello',30);
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insert into t1 values(10,'bye',10);
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insert into t1 values(10,'sam',10);
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insert into t1 values(10,'bob',10);
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insert into t2 select * from t1;
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insert into t3 select * from t1;
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select count(*) from t1 group by col1 having col1 = 10;
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select count(*) as count_col1 from t1 group by col1 having col1 = 10;
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select count(*) as count_col1 from t1 as tmp1 group by col1 having col1 = 10;
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select count(*) from t1 group by col2 having col2 = 'hello';
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--error 1054
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select count(*) from t1 group by col2 having col1 = 10;
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select col1 as count_col1 from t1 as tmp1 group by col1 having col1 = 10;
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select col1 as count_col1 from t1 as tmp1 group by col1 having count_col1 = 10;
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select col1 as count_col1 from t1 as tmp1 group by count_col1 having col1 = 10;
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# ANSI: should return SQLSTATE 42000 Syntax error or access violation
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# MySQL: returns 10 - because of GROUP BY name resolution
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select col1 as count_col1 from t1 as tmp1 group by count_col1 having count_col1 = 10;
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# ANSI: should return SQLSTATE 42000 Syntax error or access violation
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# MySQL: returns 10 - because of GROUP BY name resolution
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select col1 as count_col1,col2 from t1 as tmp1 group by col1,col2 having col1 = 10;
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select col1 as count_col1,col2 from t1 as tmp1 group by col1,col2 having count_col1 = 10;
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select col1 as count_col1,col2 from t1 as tmp1 group by col1,col2 having col2 = 'hello';
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select col1 as count_col1,col2 as group_col2 from t1 as tmp1 group by col1,col2 having group_col2 = 'hello';
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--error 1064
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select sum(col1) as co12 from t1 group by col2 having col2 10;
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select sum(col1) as co2, count(col2) as cc from t1 group by col1 having col1 =10;
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--error 1054
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select t2.col2 from t2 group by t2.col1, t2.col2 having t1.col1 <= 10;
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#
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# queries with nested sub-queries
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#
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# the having column is resolved in the same query
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select t1.col1 from t1
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where t1.col2 in
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(select t2.col2 from t2
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group by t2.col1, t2.col2 having t2.col1 <= 10);
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select t1.col1 from t1
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where t1.col2 in
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(select t2.col2 from t2
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group by t2.col1, t2.col2
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having t2.col1 <=
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(select min(t3.col1) from t3));
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# the having column is resolved in the SELECT clause of the outer query -
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# works in ANSI
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select t1.col1 from t1
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where t1.col2 in
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(select t2.col2 from t2
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group by t2.col1, t2.col2 having t1.col1 <= 10);
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# the having column is resolved in the SELECT clause of the outer query -
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# error in ANSI, works with MySQL extension
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select t1.col1 as tmp_col from t1
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where t1.col2 in
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(select t2.col2 from t2
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group by t2.col1, t2.col2 having tmp_col <= 10);
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# the having column is resolved in the FROM clause of the outer query -
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# works in ANSI
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select t1.col1 from t1
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where t1.col2 in
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(select t2.col2 from t2
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group by t2.col1, t2.col2 having col_t1 <= 10);
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# Item_field must be resolved in the same way as Item_ref
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select sum(col1) from t1
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group by col_t1
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having (select col_t1 from t2 where col_t1 = col_t2 order by col_t2 limit 1);
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# nested queries with HAVING, inner having column resolved in outer FROM clause
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# the outer having column is not referenced in GROUP BY which results in an error
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--error 1054
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select t1.col1 from t1
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where t1.col2 in
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(select t2.col2 from t2
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group by t2.col1, t2.col2 having col_t1 <= 10)
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having col_t1 <= 20;
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# both having columns are resolved in the GROUP clause of the outer query
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select t1.col1 from t1
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where t1.col2 in
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(select t2.col2 from t2
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group by t2.col1, t2.col2 having col_t1 <= 10)
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group by col_t1
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having col_t1 <= 20;
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#
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# nested HAVING clauses
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#
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# non-correlated subqueries
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select col_t1, sum(col1) from t1
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group by col_t1
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having col_t1 > 10 and
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exists (select sum(t2.col1) from t2
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group by t2.col2 having t2.col2 > 'b');
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# correlated subqueries - inner having column 't1.col2' resolves to
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# the outer FROM clause, which cannot be used because the outer query
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# is grouped
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--error 1054
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select sum(col1) from t1
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group by col_t1
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having col_t1 in (select sum(t2.col1) from t2
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group by t2.col2, t2.col1 having t2.col1 = t1.col1);
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# correlated subqueries - inner having column 'col_t1' resolves to
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# the outer GROUP clause
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select sum(col1) from t1
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group by col_t1
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having col_t1 in (select sum(t2.col1) from t2
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group by t2.col2, t2.col1 having t2.col1 = col_t1);
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#
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# queries with joins and ambiguous column names
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#
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--error 1052
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select t1.col1, t2.col1 from t1, t2 where t1.col1 = t2.col1
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group by t1.col1, t2.col1 having col1 = 2;
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--error 1052
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select t1.col1*10+t2.col1 from t1,t2 where t1.col1=t2.col1
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group by t1.col1, t2.col1 having col1 = 2;
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drop table t1, t2, t3;
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# More queries to test ANSI compatibility
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create table t1 (s1 int);
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insert into t1 values (1),(2),(3);
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select count(*) from t1 group by s1 having s1 is null;
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# prepared statements prints warnings too early
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--disable_ps_protocol
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select s1*0 as s1 from t1 group by s1 having s1 <> 0;
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--enable_ps_protocol
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# ANSI requires: 3 rows
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# MySQL returns: 0 rows - because of GROUP BY name resolution
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select s1*0 from t1 group by s1 having s1 = 0;
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select s1 from t1 group by 1 having 1 = 0;
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select count(s1) from t1 group by s1 having count(1+1)=2;
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# ANSI requires: 3 rows
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# MySQL returns: 0 rows - because of GROUP BY name resolution
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select count(s1) from t1 group by s1 having s1*0=0;
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-- error 1052
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select * from t1 a, t1 b group by a.s1 having s1 is null;
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# ANSI requires: 0 rows
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# MySQL returns:
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# "ERROR 1052 (23000): Column 's1' in having clause is ambiguous"
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# I think the column is ambiguous in ANSI too.
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# It is the same as:
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# select a.s1, b.s1 from t1 a, t1 b group by a.s1 having s1 is null;
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# currently we first check SELECT, thus s1 is ambiguous.
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drop table t1;
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create table t1 (s1 char character set latin1 collate latin1_german1_ci);
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insert into t1 values ('ü'),('y');
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select s1,count(s1) from t1
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group by s1 collate latin1_swedish_ci having s1 = 'y';
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# ANSI requires: 1 row, with count(s1) = 2
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# MySQL returns: 1 row, with count(s1) = 1
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drop table t1;
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#
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# Bug #15917: unexpected complain for a name in having clause
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# when the server is run on Windows or with --lower-case-table-names=1
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#
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--disable_warnings
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DROP SCHEMA IF EXISTS HU;
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--enable_warnings
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CREATE SCHEMA HU ;
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USE HU ;
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CREATE TABLE STAFF
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(EMPNUM CHAR(3) NOT NULL UNIQUE,
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EMPNAME CHAR(20),
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GRADE DECIMAL(4),
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CITY CHAR(15));
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CREATE TABLE PROJ
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(PNUM CHAR(3) NOT NULL UNIQUE,
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PNAME CHAR(20),
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PTYPE CHAR(6),
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BUDGET DECIMAL(9),
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CITY CHAR(15));
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INSERT INTO STAFF VALUES ('E1','Alice',12,'Deale');
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INSERT INTO STAFF VALUES ('E2','Betty',10,'Vienna');
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INSERT INTO STAFF VALUES ('E3','Carmen',13,'Vienna');
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INSERT INTO STAFF VALUES ('E4','Don',12,'Deale');
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INSERT INTO STAFF VALUES ('E5','Ed',13,'Akron');
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INSERT INTO PROJ VALUES ('P1','MXSS','Design',10000,'Deale');
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INSERT INTO PROJ VALUES ('P2','CALM','Code',30000,'Vienna');
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INSERT INTO PROJ VALUES ('P3','SDP','Test',30000,'Tampa');
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INSERT INTO PROJ VALUES ('P4','SDP','Design',20000,'Deale');
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INSERT INTO PROJ VALUES ('P5','IRM','Test',10000,'Vienna');
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INSERT INTO PROJ VALUES ('P6','PAYR','Design',50000,'Deale');
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SELECT EMPNUM, GRADE*1000
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FROM HU.STAFF WHERE GRADE * 1000 >
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ANY (SELECT SUM(BUDGET) FROM HU.PROJ
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GROUP BY CITY, PTYPE
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HAVING HU.PROJ.CITY = HU.STAFF.CITY);
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DROP SCHEMA HU;
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USE test;
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#
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# Bug#18739: non-standard HAVING extension was allowed in strict ANSI sql mode.
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#
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create table t1(f1 int);
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select f1 from t1 having max(f1)=f1;
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select f1 from t1 group by f1 having max(f1)=f1;
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set session sql_mode='ONLY_FULL_GROUP_BY';
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--error ER_NON_GROUPING_FIELD_USED
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select f1 from t1 having max(f1)=f1;
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select f1 from t1 group by f1 having max(f1)=f1;
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set session sql_mode='';
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drop table t1;
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#
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# Bug #38637: COUNT DISTINCT prevents NULL testing in HAVING clause
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#
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CREATE TABLE t1 ( a INT, b INT);
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INSERT INTO t1 VALUES (1, 1), (2,2), (3, NULL);
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SELECT b, COUNT(DISTINCT a) FROM t1 GROUP BY b HAVING b is NULL;
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DROP TABLE t1;
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--echo #
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--echo # Bug#50995 Having clause on subquery result produces incorrect results.
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--echo #
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CREATE TABLE t1
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(
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id1 INT,
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id2 INT NOT NULL,
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INDEX id1(id2)
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);
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INSERT INTO t1 SET id1=1, id2=1;
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INSERT INTO t1 SET id1=2, id2=1;
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INSERT INTO t1 SET id1=3, id2=1;
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SELECT t1.id1,
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(SELECT 0 FROM DUAL
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WHERE t1.id1=t1.id1) AS amount FROM t1
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WHERE t1.id2 = 1
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HAVING amount > 0
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ORDER BY t1.id1;
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DROP TABLE t1;
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--echo #
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--echo # Bug#48916 Server incorrectly processing HAVING clauses with an ORDER BY clause
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--echo #
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CREATE TABLE t1 (f1 INT PRIMARY KEY, f2 INT, f3 INT);
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INSERT INTO t1 VALUES (2,7,9), (4,7,9), (6,2,9), (17,0,9);
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SELECT table1.f1, table2.f2
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FROM t1 AS table1
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JOIN t1 AS table2 ON table1.f3 = table2.f3
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WHERE table2.f1 = 2
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GROUP BY table1.f1, table2.f2
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HAVING (table2.f2 = 8 AND table1.f1 >= 6);
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EXPLAIN EXTENDED
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SELECT table1.f1, table2.f2
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FROM t1 AS table1
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JOIN t1 AS table2 ON table1.f3 = table2.f3
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WHERE table2.f1 = 2
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GROUP BY table1.f1, table2.f2
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HAVING (table2.f2 = 8 AND table1.f1 >= 6);
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EXPLAIN EXTENDED
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SELECT table1.f1, table2.f2
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FROM t1 AS table1
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JOIN t1 AS table2 ON table1.f3 = table2.f3
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WHERE table2.f1 = 2
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GROUP BY table1.f1, table2.f2
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HAVING (table2.f2 = 8);
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DROP TABLE t1;
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--echo #
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--echo # Bug#52336 Segfault / crash in 5.1 copy_fields (param=0x9872980) at sql_select.cc:15355
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--echo #
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CREATE TABLE t1(f1 INT, f2 INT);
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INSERT INTO t1 VALUES (10,8);
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CREATE TABLE t2 (f1 INT);
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INSERT INTO t2 VALUES (5);
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SELECT COUNT(f1) FROM t2
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HAVING (7, 9) IN (SELECT f1, MIN(f2) FROM t1);
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DROP TABLE t1, t2;
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CREATE TABLE t1 (f1 INT, f2 VARCHAR(1));
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INSERT INTO t1 VALUES (16,'f');
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INSERT INTO t1 VALUES (16,'f');
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CREATE TABLE t2 (f1 INT, f2 VARCHAR(1));
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INSERT INTO t2 VALUES (13,'f');
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INSERT INTO t2 VALUES (20,'f');
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CREATE TABLE t3 (f1 INT, f2 VARCHAR(1));
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INSERT INTO t3 VALUES (7,'f');
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SELECT t1.f2 FROM t1
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STRAIGHT_JOIN (t2 JOIN t3 ON t3.f2 = t2.f2 ) ON t3 .f2 = t2 .f2
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HAVING ('v', 'i') NOT IN (SELECT f2, MIN(f2) FROM t1)
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ORDER BY f2;
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DROP TABLES t1,t2,t3;
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--echo #
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--echo # Bug#52340 Segfault: read_cached_record (tab=0x94a2634) at sql_select.cc:14411
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--echo #
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CREATE TABLE t1 (f1 INT, f2 VARCHAR(1));
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INSERT INTO t1 VALUES (16,'d');
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CREATE TABLE t2 (f1 INT, f2 VARCHAR(1));
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INSERT INTO t2 VALUES (13,'e');
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INSERT INTO t2 VALUES (20,'d');
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SELECT MAX(t2.f2) FROM t2 JOIN t1 ON t1.f2
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HAVING ('e' , 'd') IN
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(SELECT ts1.f2, ts2.f2 FROM t2 ts1 JOIN t2 ts2 ON ts1.f1)
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ORDER BY t1.f2;
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DROP TABLE t1,t2;
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--echo End of 5.0 tests
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--echo #
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--echo # Bug#54416 MAX from JOIN with HAVING returning NULL with 5.1 and Empty set
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--echo #
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CREATE TABLE t1 (f1 INT(11), f2 VARCHAR(1), PRIMARY KEY (f1));
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INSERT INTO t1 VALUES (1,'f');
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CREATE TABLE t2 (f1 INT(11), f2 VARCHAR(1));
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INSERT INTO t2 VALUES (2,'m');
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INSERT INTO t2 VALUES (3,'m');
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INSERT INTO t2 VALUES (11,NULL);
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INSERT INTO t2 VALUES (12,'k');
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SELECT MAX(t1.f1) field1
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FROM t1 JOIN t2 ON t2.f2 LIKE 'x'
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HAVING field1 < 7;
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DROP TABLE t1,t2;
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--echo End of 5.1 tests
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