# test of problems with having (Reported by Mark Rogers)
#

create table t1 (a int);
select count(a) as b from t1 where a=0 having b > 0;
insert into t1 values (null);
select count(a) as b from t1 where a=0 having b > 0;
select count(a) as b from t1 where a=0 having b >=0;
explain extended select count(a) as b from t1 where a=0 having b >=0;
drop table t1; 

#
# Test of problem with HAVING and AVG()
#

CREATE TABLE t1 (
  raw_id int(10) NOT NULL default '0',
  chr_start int(10) NOT NULL default '0',
  chr_end int(10) NOT NULL default '0',
  raw_start int(10) NOT NULL default '0',
  raw_end int(10) NOT NULL default '0',
  raw_ori int(2) NOT NULL default '0'
);

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);

CREATE TABLE t2 (
  id int(10) unsigned NOT NULL default '0',
  contig_id int(10) unsigned NOT NULL default '0',
  seq_start int(10) NOT NULL default '0',
  seq_end int(10) NOT NULL default '0',
  strand tinyint(2) NOT NULL default '0',
  KEY id (id)
);
INSERT INTO t2 VALUES (133195,469713,61327,61384,1),(133196,469713,64113,64387,1),(133197,1,1,1,0),(133197,1,1,1,-2);
SELECT e.id,
   MIN( IF(sgp.raw_ori=1,
          (e.seq_start+sgp.chr_start-sgp.raw_start),  
          (sgp.chr_start+sgp.raw_end-e.seq_end))) as start, 
   MAX( IF(sgp.raw_ori=1,
           (e.seq_end+sgp.chr_start-sgp.raw_start),  
           (sgp.chr_start+sgp.raw_end-e.seq_start))) as end, 
   AVG(IF (sgp.raw_ori=1,e.strand,(-e.strand))) as chr_strand 
FROM  t1 sgp,
      t2 e  
WHERE sgp.raw_id=e.contig_id 
GROUP BY e.id 
HAVING chr_strand= -1 and end >= 0 
  AND start <= 999660;
drop table t1,t2;

#
# Test problem with having and MAX() IS NOT NULL
#

CREATE TABLE t1 (Fld1 int(11) default NULL,Fld2 int(11) default NULL);
INSERT INTO t1 VALUES (1,10),(1,20),(2,NULL),(2,NULL),(3,50);
select Fld1, max(Fld2) as q from t1 group by Fld1 having q is not null;
select Fld1, max(Fld2) from t1 group by Fld1 having max(Fld2) is not null;
select Fld1, max(Fld2) from t1 group by Fld1 having avg(Fld2) is not null;
select Fld1, max(Fld2) from t1 group by Fld1 having std(Fld2) is not null;
select Fld1, max(Fld2) from t1 group by Fld1 having variance(Fld2) is not null;
drop table t1;

#
# Test problem with count(distinct) in having
#
create table t1 (id int not null, qty int not null);
insert into t1 values (1,2),(1,3),(2,4),(2,5);
select id, sum(qty) as sqty from t1 group by id having sqty>2;
select sum(qty) as sqty from t1 group by id having count(id) > 0;
select sum(qty) as sqty from t1 group by id having count(distinct id) > 0;
drop table t1;

#
# Test case for Bug #4358 Problem with HAVING clause that uses alias from the
#              select list and TEXT field 
#

CREATE TABLE t1 (
  `id` bigint(20) NOT NULL default '0',
  `description` text
) ENGINE=MyISAM;

CREATE TABLE t2 (
  `id` bigint(20) NOT NULL default '0',
  `description` varchar(20)
) ENGINE=MyISAM;

INSERT INTO t1  VALUES (1, 'test');
INSERT INTO t2 VALUES (1, 'test');

CREATE TABLE t3 (
  `id`       bigint(20) NOT NULL default '0',
  `order_id` bigint(20) NOT NULL default '0'
) ENGINE=MyISAM;

select
	a.id, a.description,
	count(b.id) as c 
from t1 a left join t3 b on a.id=b.order_id 
group by a.id, a.description 
having (a.description is not null) and (c=0);

select
	a.*, 
	count(b.id) as c 
from t2 a left join t3 b on a.id=b.order_id 
group by a.id, a.description
having (a.description is not null) and (c=0);

INSERT INTO t1  VALUES (2, 'test2');

select
	a.id, a.description,
	count(b.id) as c 
from t1 a left join t3 b on a.id=b.order_id 
group by a.id, a.description 
having (a.description is not null) and (c=0);
drop table t1,t2,t3;

#
# Bug #14274: HAVING clause containing only set function
#

CREATE TABLE t1 (a int);
INSERT INTO t1 VALUES (3), (4), (1), (3), (1);

SELECT SUM(a) FROM t1 GROUP BY a HAVING SUM(a)>0;
SELECT SUM(a) FROM t1 GROUP BY a HAVING SUM(a);

DROP TABLE t1;

#
# Bug #14927: HAVING clause containing constant false conjunct
#

CREATE TABLE t1 (a int);
INSERT INTO t1 VALUES (1), (2), (1), (3), (2), (1);

SELECT a FROM t1 GROUP BY a HAVING a > 1;
SELECT a FROM t1 GROUP BY a HAVING 1 != 1 AND a > 1;
SELECT 0 AS x, a FROM t1 GROUP BY x,a HAVING x=1 AND a > 1;

EXPLAIN SELECT a FROM t1 GROUP BY a HAVING 1 != 1 AND a > 1;
EXPLAIN SELECT 0 AS x, a FROM t1 GROUP BY x,a HAVING x=1 AND a > 1;

DROP table t1;  

#
# Bug #29911: HAVING clause depending on constant table and evaluated to false
#

CREATE TABLE t1 (a int PRIMARY KEY);
CREATE TABLE t2 (b int PRIMARY KEY, a int);
CREATE TABLE t3 (b int, flag int);

INSERT INTO t1 VALUES (1);
INSERT INTO t2 VALUES (1,1), (2,1), (3,1);
INSERT INTO t3(b,flag) VALUES (2, 1);

SELECT t1.a
  FROM t1 INNER JOIN t2 ON t1.a=t2.a LEFT JOIN t3 ON t2.b=t3.b
    GROUP BY t1.a, t2.b HAVING MAX(t3.flag)=0;

SELECT DISTINCT t1.a, MAX(t3.flag)
  FROM t1 INNER JOIN t2 ON t1.a=t2.a LEFT JOIN t3 ON t2.b=t3.b
    GROUP BY t1.a, t2.b HAVING MAX(t3.flag)=0;

SELECT DISTINCT t1.a
  FROM t1 INNER JOIN t2 ON t1.a=t2.a LEFT JOIN t3 ON t2.b=t3.b
    GROUP BY t1.a, t2.b HAVING MAX(t3.flag)=0;

DROP TABLE t1,t2,t3;

# End of 4.1 tests

#
# Tests for WL#1972 CORRECT EVALUATION OF COLUMN REFERENCES IN THE HAVING CLAUSE
# Per the SAP VERI tests and WL#1972, MySQL must ensure that HAVING can
# correctly evaluate column references from the GROUP BY clause, even if the
# same references are not also found in the select list.
#

# set global sql_mode='ansi';
# set session sql_mode='ansi';

create table t1 (col1 int, col2 varchar(5), col_t1 int);
create table t2 (col1 int, col2 varchar(5), col_t2 int);
create table t3 (col1 int, col2 varchar(5), col_t3 int);

insert into t1 values(10,'hello',10);
insert into t1 values(20,'hello',20);
insert into t1 values(30,'hello',30);
insert into t1 values(10,'bye',10);
insert into t1 values(10,'sam',10);
insert into t1 values(10,'bob',10);

insert into t2 select * from t1;
insert into t3 select * from t1;

select count(*) from t1 group by col1 having col1 = 10;
select count(*) as count_col1 from t1 group by col1 having col1 = 10;
select count(*) as count_col1 from t1 as tmp1 group by col1 having col1 = 10;
select count(*) from t1 group by col2 having col2 = 'hello';
--error ER_BAD_FIELD_ERROR
select count(*) from t1 group by col2 having col1 = 10;
select col1 as count_col1 from t1 as tmp1 group by col1 having col1 = 10;
select col1 as count_col1 from t1 as tmp1 group by col1 having count_col1 = 10;
select col1 as count_col1 from t1 as tmp1 group by count_col1 having col1 = 10;
# ANSI: should return SQLSTATE 42000 Syntax error or access violation 
# MySQL: returns 10 - because of GROUP BY name resolution
select col1 as count_col1 from t1 as tmp1 group by count_col1 having count_col1 = 10;
# ANSI: should return SQLSTATE 42000 Syntax error or access violation 
# MySQL: returns 10 - because of GROUP BY name resolution
select col1 as count_col1,col2 from t1 as tmp1 group by col1,col2 having col1 = 10;
select col1 as count_col1,col2 from t1 as tmp1 group by col1,col2 having count_col1 = 10;
select col1 as count_col1,col2 from t1 as tmp1 group by col1,col2 having col2 = 'hello';
select col1 as count_col1,col2 as group_col2 from t1 as tmp1 group by col1,col2 having group_col2 = 'hello';
--error ER_PARSE_ERROR
select sum(col1) as co12 from t1 group by col2 having col2 10; 
select sum(col1) as co2, count(col2) as cc from t1 group by col1 having col1 =10; 
--error ER_BAD_FIELD_ERROR
select t2.col2 from t2 group by t2.col1, t2.col2 having t1.col1 <= 10;


#
# queries with nested sub-queries
#

# the having column is resolved in the same query
select t1.col1 from t1
where t1.col2 in 
      (select t2.col2 from t2 
       group by t2.col1, t2.col2 having t2.col1 <= 10);

select t1.col1 from t1
where t1.col2 in 
      (select t2.col2 from t2
       group by t2.col1, t2.col2
       having t2.col1 <=
              (select min(t3.col1) from t3));

# the having column is resolved in the SELECT clause of the outer query -
# works in ANSI
select t1.col1 from t1
where t1.col2 in
      (select t2.col2 from t2 
       group by t2.col1, t2.col2 having t1.col1 <= 10);

# the having column is resolved in the SELECT clause of the outer query -
# error in ANSI
--error ER_BAD_FIELD_ERROR
select t1.col1 as tmp_col from t1
where t1.col2 in 
      (select t2.col2 from t2 
       group by t2.col1, t2.col2 having tmp_col <= 10);

# the having column is resolved in the FROM clause of the outer query -
# works in ANSI
select t1.col1 from t1
where t1.col2 in 
      (select t2.col2 from t2 
       group by t2.col1, t2.col2 having col_t1 <= 10);

# Item_field must be resolved in the same way as Item_ref
select sum(col1) from t1
group by col_t1
having (select col_t1 from t2 where col_t1 = col_t2 order by col_t2 limit 1);

# nested queries with HAVING, inner having column resolved in outer FROM clause
# the outer having column is not referenced in GROUP BY which results in an error
--error ER_BAD_FIELD_ERROR
select t1.col1 from t1
where t1.col2 in 
      (select t2.col2 from t2 
       group by t2.col1, t2.col2 having col_t1 <= 10)
having col_t1 <= 20;

# both having columns are resolved in the GROUP clause of the outer query
select t1.col1 from t1
where t1.col2 in 
      (select t2.col2 from t2 
       group by t2.col1, t2.col2 having col_t1 <= 10)
group by col_t1
having col_t1 <= 20;

#
# nested HAVING clauses
#

# non-correlated subqueries
select col_t1, sum(col1) from t1
group by col_t1
having col_t1 > 10 and
       exists (select sum(t2.col1) from t2
               group by t2.col2 having t2.col2 > 'b');

# correlated subqueries - inner having column 't1.col2' resolves to
# the outer FROM clause, which cannot be used because the outer query
# is grouped
--error ER_BAD_FIELD_ERROR
select sum(col1) from t1
group by col_t1
having col_t1 in (select sum(t2.col1) from t2
                  group by t2.col2, t2.col1 having t2.col1 = t1.col1);

# correlated subqueries - inner having column 'col_t1' resolves to
# the outer GROUP clause
select sum(col1) from t1
group by col_t1
having col_t1 in (select sum(t2.col1) from t2
                  group by t2.col2, t2.col1 having t2.col1 = col_t1);

#
# queries with joins and ambiguous column names
#
--error ER_NON_UNIQ_ERROR
select t1.col1, t2.col1 from t1, t2 where t1.col1 = t2.col1
group by t1.col1, t2.col1 having col1 = 2;

--error ER_NON_UNIQ_ERROR
select t1.col1*10+t2.col1 from t1,t2 where t1.col1=t2.col1
group by t1.col1, t2.col1 having col1 = 2;

drop table t1, t2, t3;

# More queries to test ANSI compatibility
create table t1 (s1 int);
insert into t1 values (1),(2),(3);

select count(*) from t1 group by s1 having s1 is null;

# prepared statements prints warnings too early
--disable_ps_protocol
--disable_view_protocol
select s1*0 as s1 from t1 group by s1 having s1 <> 0;
--enable_view_protocol
--enable_ps_protocol

# ANSI requires: 3 rows
# MySQL returns: 0 rows - because of GROUP BY name resolution

select s1*0 from t1 group by s1 having s1 = 0;

select s1 from t1 group by 1 having 1 = 0;

select count(s1) from t1 group by s1 having count(1+1)=2;
# ANSI requires: 3 rows
# MySQL returns: 0 rows - because of GROUP BY name resolution

select count(s1) from t1 group by s1 having s1*0=0;

-- error ER_NON_UNIQ_ERROR
select * from t1 a, t1 b group by a.s1 having s1 is null;
# ANSI requires: 0 rows
# MySQL returns:
# "ERROR 1052 (23000): Column 's1' in having clause is ambiguous"
# I think the column is ambiguous in ANSI too.
# It is the same as:
#   select a.s1, b.s1 from t1 a, t1 b group by a.s1 having s1 is null;
# currently we first check SELECT, thus s1 is ambiguous.

drop table t1;

create table t1 (s1 char character set latin1 collate latin1_german1_ci);
insert ignore into t1 values ('ü'),('y');

select s1,count(s1) from t1
group by s1 collate latin1_swedish_ci having s1 = 'y';
# ANSI requires: 1 row, with count(s1) = 2
# MySQL returns: 1 row, with count(s1) = 1

drop table t1;


#
# Bug #15917: unexpected complain for a name in having clause
# when the server is run on Windows or with --lower-case-table-names=1
#
--disable_service_connection

--disable_warnings
DROP SCHEMA IF EXISTS HU;
--enable_warnings
CREATE SCHEMA HU ;
USE HU ;

CREATE TABLE STAFF
 (EMPNUM   CHAR(3) NOT NULL UNIQUE,
  EMPNAME  CHAR(20),
  GRADE    DECIMAL(4),
  CITY     CHAR(15));

CREATE TABLE PROJ
 (PNUM     CHAR(3) NOT NULL UNIQUE,
  PNAME    CHAR(20),
  PTYPE    CHAR(6),
  BUDGET   DECIMAL(9),
  CITY     CHAR(15));

INSERT INTO STAFF VALUES ('E1','Alice',12,'Deale');
INSERT INTO STAFF VALUES ('E2','Betty',10,'Vienna');
INSERT INTO STAFF VALUES ('E3','Carmen',13,'Vienna');
INSERT INTO STAFF VALUES ('E4','Don',12,'Deale');
INSERT INTO STAFF VALUES ('E5','Ed',13,'Akron');

INSERT INTO PROJ VALUES  ('P1','MXSS','Design',10000,'Deale');
INSERT INTO PROJ VALUES  ('P2','CALM','Code',30000,'Vienna');
INSERT INTO PROJ VALUES  ('P3','SDP','Test',30000,'Tampa');
INSERT INTO PROJ VALUES  ('P4','SDP','Design',20000,'Deale');
INSERT INTO PROJ VALUES  ('P5','IRM','Test',10000,'Vienna');
INSERT INTO PROJ VALUES  ('P6','PAYR','Design',50000,'Deale');

SELECT EMPNUM, GRADE*1000
  FROM HU.STAFF WHERE GRADE * 1000 > 
                  ANY (SELECT SUM(BUDGET) FROM HU.PROJ
                         GROUP BY CITY, PTYPE
                           HAVING HU.PROJ.CITY = HU.STAFF.CITY);

DROP SCHEMA HU;
USE test;

--enable_service_connection

#
# Bug#18739: non-standard HAVING extension was allowed in strict ANSI sql mode.
#
create table t1(f1 int);
select f1 from t1 having max(f1)=f1;
select f1 from t1 group by f1 having max(f1)=f1;
set session sql_mode='ONLY_FULL_GROUP_BY';
--error ER_NON_GROUPING_FIELD_USED
select f1 from t1 having max(f1)=f1;
select f1 from t1 group by f1 having max(f1)=f1;
set session sql_mode='';
drop table t1;


#
# Bug #38637: COUNT DISTINCT prevents NULL testing in HAVING clause
#
CREATE TABLE t1 ( a INT, b INT);
INSERT INTO t1 VALUES (1, 1), (2,2), (3, NULL);
SELECT b, COUNT(DISTINCT a) FROM t1 GROUP BY b HAVING b is NULL;
DROP TABLE t1;


--echo #
--echo # Bug#50995 Having clause on subquery result produces incorrect results.
--echo #

CREATE TABLE t1
(
 id1 INT,
 id2 INT NOT NULL,
 INDEX id1(id2)
);

INSERT INTO t1 SET id1=1, id2=1;
INSERT INTO t1 SET id1=2, id2=1;
INSERT INTO t1 SET id1=3, id2=1;

SELECT t1.id1,
(SELECT 0 FROM DUAL
 WHERE t1.id1=t1.id1) AS amount FROM t1
WHERE t1.id2 = 1
HAVING amount > 0
ORDER BY t1.id1;

DROP TABLE t1;

--echo #
--echo # Bug#48916 Server incorrectly processing HAVING clauses with an ORDER BY clause
--echo #

--disable_view_protocol

CREATE TABLE t1 (f1 INT PRIMARY KEY, f2 INT, f3 INT);
INSERT INTO t1 VALUES (2,7,9), (4,7,9), (6,2,9), (17,0,9);

SELECT table1.f1, table2.f2
FROM t1 AS table1
JOIN t1 AS table2 ON table1.f3 = table2.f3
WHERE table2.f1 = 2
GROUP BY table1.f1, table2.f2
HAVING (table2.f2 = 8 AND table1.f1 >= 6);

EXPLAIN EXTENDED
SELECT table1.f1, table2.f2
FROM t1 AS table1
JOIN t1 AS table2 ON table1.f3 = table2.f3
WHERE table2.f1 = 2
GROUP BY table1.f1, table2.f2
HAVING (table2.f2 = 8 AND table1.f1 >= 6);

EXPLAIN EXTENDED
SELECT table1.f1, table2.f2
FROM t1 AS table1
JOIN t1 AS table2 ON table1.f3 = table2.f3
WHERE table2.f1 = 2
GROUP BY table1.f1, table2.f2
HAVING (table2.f2 = 8);

DROP TABLE t1;

--enable_view_protocol

--echo #
--echo # Bug#52336 Segfault / crash in 5.1 copy_fields (param=0x9872980) at sql_select.cc:15355
--echo #
CREATE TABLE t1(f1 INT, f2 INT);
INSERT INTO t1 VALUES (10,8);
CREATE TABLE t2 (f1 INT);
INSERT INTO t2 VALUES (5);

SELECT  COUNT(f1) FROM t2
HAVING (7, 9)  IN (SELECT f1, MIN(f2) FROM t1);

DROP TABLE t1, t2;

CREATE TABLE t1 (f1 INT, f2 VARCHAR(1));
INSERT INTO t1 VALUES (16,'f');
INSERT INTO t1 VALUES (16,'f');
CREATE TABLE t2 (f1 INT, f2 VARCHAR(1));
INSERT INTO t2 VALUES (13,'f');
INSERT INTO t2 VALUES (20,'f');
CREATE TABLE t3 (f1 INT, f2 VARCHAR(1));
INSERT INTO t3 VALUES (7,'f');

SELECT t1.f2 FROM t1
STRAIGHT_JOIN (t2 JOIN t3 ON t3.f2  = t2.f2  ) ON t3 .f2  = t2 .f2
HAVING ('v', 'i') NOT IN (SELECT f2, MIN(f2) FROM t1)
ORDER BY f2;

DROP TABLES t1,t2,t3;

--echo #
--echo # Bug#52340 Segfault: read_cached_record (tab=0x94a2634) at sql_select.cc:14411
--echo #
CREATE TABLE t1 (f1 INT, f2 VARCHAR(1));
INSERT INTO t1 VALUES (16,'d');
CREATE TABLE t2 (f1 INT, f2 VARCHAR(1));
INSERT INTO t2 VALUES (13,'e');
INSERT INTO t2 VALUES (20,'d');

SELECT MAX(t2.f2) FROM t2 JOIN t1 ON t1.f2
HAVING ('e' , 'd') IN
(SELECT ts1.f2, ts2.f2 FROM t2 ts1 JOIN t2 ts2 ON ts1.f1)
ORDER BY t1.f2;

DROP TABLE t1,t2;

--echo End of 5.0 tests

--echo #
--echo # Bug#54416 MAX from JOIN with HAVING returning NULL with 5.1 and Empty set
--echo #

CREATE TABLE t1 (f1 INT(11), f2 VARCHAR(1), PRIMARY KEY (f1));
INSERT INTO t1 VALUES (1,'f');

CREATE TABLE t2 (f1 INT(11), f2 VARCHAR(1));
INSERT INTO t2 VALUES (2,'m');
INSERT INTO t2 VALUES (3,'m');
INSERT INTO t2 VALUES (11,NULL);
INSERT INTO t2 VALUES (12,'k');

SELECT MAX(t1.f1) field1
FROM t1 JOIN t2 ON t2.f2 LIKE 'x'
HAVING field1 < 7;

DROP TABLE t1,t2;

--echo #
--echo # Bug#48916 Server incorrectly processing HAVING clauses with an ORDER BY clause
--echo #

CREATE TABLE t1 (f1 INT, f2 INT);
INSERT INTO t1 VALUES (1, 0), (2, 1), (3, 2);
CREATE TABLE t2 (f1 INT, f2 INT);

SELECT t1.f1
FROM t1
HAVING (3, 2) IN (SELECT f1, f2 FROM t2) AND t1.f1  >= 0
ORDER BY t1.f1;

SELECT t1.f1
FROM t1
HAVING (3, 2) IN (SELECT 4, 2) AND t1.f1  >= 0
ORDER BY t1.f1;

SELECT t1.f1
FROM t1
HAVING 2 IN (SELECT f2 FROM t2) AND t1.f1  >= 0
ORDER BY t1.f1;

DROP TABLE t1,t2;

--echo End of 5.1 tests

--echo #
--echo # LP bug:938518 HAVING does not reject the result of aggregation
--echo #
CREATE TABLE t1 (pk INT PRIMARY KEY, a INT);
INSERT INTO t1 VALUES (2,7), (4,7), (6,2), (17,0);
SELECT MIN(t.pk) FROM t1, t1 as t WHERE t1.pk = 1;
SELECT MIN(t.pk) FROM t1, t1 as t WHERE t1.pk = 1 HAVING MIN(t.pk) < 10;
drop table t1;

--echo #
--echo # LP bug #791761: MAX over an empty join + HAVING
--echo #

CREATE TABLE t1 (a int, b int , KEY (b)) ;
INSERT INTO t1 VALUES (3,1);

CREATE TABLE t2 (a int NOT NULL ) ;
INSERT INTO t2 VALUES (29);

SELECT MAX(t1.b)  FROM t1,t2 WHERE t2.a > 0 HAVING MAX(t1.b) <> 6;
SELECT MAX(t1.b)  FROM t1,t2 WHERE t2.a > 0 HAVING MAX(t1.b) IS NULL;

EXPLAIN
SELECT MAX(t1.b)  FROM t1,t2 WHERE t2.a < 0 HAVING MAX(t1.b) <> 6;
SELECT MAX(t1.b)  FROM t1,t2 WHERE t2.a < 0 HAVING MAX(t1.b) <> 6;

CREATE TABLE t3 ( f3 int) ;
INSERT INTO t3 VALUES (NULL);

SELECT MAX(t1.b) AS f FROM t1 JOIN t2 ON t2.a != 0
  WHERE (SELECT f3 FROM t3) <> 0 HAVING f <> 6 ;

DROP TABLE t1,t2,t3;

--echo #
--echo # LP bug:806955 HAVING not observed with aggregate +subquery
--echo #

CREATE TABLE t1 (f3 int, f10 varchar(1), f11 int, KEY (f10) );
INSERT INTO t1 VALUES (NULL,'a',0),(8,'b',0);

CREATE TABLE t2 (f2 int);
INSERT INTO t2 VALUES (7);

CREATE TABLE t3 (f3 int);
INSERT INTO t3 VALUES (0),(8);

set @save_optimizer_switch=@@optimizer_switch;
set optimizer_switch='semijoin=off,materialization=off';

SELECT MIN( t1.f10 ) AS field1
FROM t1 , t2
WHERE t2.f2 IN ( SELECT f3 FROM t3 )
HAVING field1 < 's';

explain extended 
SELECT MIN( t1.f10 ) AS field1
FROM t1 , t2
WHERE t2.f2 IN ( SELECT f3 FROM t3 )
HAVING field1 < 's';

set optimizer_switch=@save_optimizer_switch;

drop table t1,t2,t3;

--echo End of 5.2 tests

--echo #
--echo # Bug mdev-6116: an equality in the conjunction of HAVING
--echo #                and IN subquery in WHERE
--echo # (The bug is caused by the same problem as bug mdev-5927)
--echo #

CREATE TABLE t1 (f_key varchar(1), f_nokey varchar(1), INDEX(f_key));
INSERT INTO t1 VALUES ('v','v'),('s','s');

CREATE TABLE t2 (f_int int, f_key varchar(1), INDEX(f_key));
INSERT INTO t2 VALUES 
(4,'j'),(6,'v'),(3,'c'),(5,'m'),(3,'d'),(2,'d'),(2,'y'),
(9,'t'),(3,'d'),(8,'s'),(1,'r'),(8,'m'),(8,'b'),(5,'x');

SELECT t2.f_int FROM t1 INNER JOIN t2 ON (t2.f_key = t1.f_nokey) 
WHERE t1.f_nokey IN ( 
  SELECT t1.f_key FROM t1, t2 WHERE t1.f_key = t2.f_key 
) HAVING t2.f_int >= 0 AND t2.f_int != 0;

DROP TABLE t1,t2;

--echo #
--echo # Bug mdev-5927: an equality in the conjunction of HAVING
--echo #                and an equality in WHERE
--echo #

CREATE TABLE t1 (pk int PRIMARY KEY, f int NOT NULL, INDEX(f));
INSERT INTO t1 VALUES (1,0), (2,8);

SELECT * FROM t1 WHERE f = 2 HAVING ( pk IN ( SELECT 9 ) AND f != 0 );

DROP TABLE t1;

--echo End of 5.3 tests

--echo #
--echo # Bug MDEV-7301: Unknown column quoted with backticks in HAVING clause when using function.
--echo # Bug#16221433 MYSQL REJECTS QUERY DUE TO BAD RESOLUTION OF NAMES IN HAVING; VIEW UNREADABLE
--echo #

CREATE TABLE `t1` (
  `id` int(11) NOT NULL,
  `title` varchar(45) DEFAULT NULL,
  PRIMARY KEY (`id`)
) DEFAULT CHARSET=utf8;

INSERT INTO `t1` VALUES ('1', 'Just for fun');
INSERT INTO `t1` VALUES ('2', 'Wait until a sunhine');
INSERT INTO `t1` VALUES ('3', 'Take a new turn');

SELECT `id`, SHA1(`title`) AS `column_1`
FROM `t1`
HAVING `column_1` LIKE '8%';

--echo expected 1 row(s) returned

SELECT `id`, SHA1(`title`) AS `column_1`
FROM `t1`
HAVING UPPER(column_1) LIKE '8%';

--echo expected -- 1 row(s) returned

SELECT `id`, SHA1(`title`) AS `column_1`
FROM `t1`
HAVING UPPER(`column_1`) LIKE '8%';

--echo expected -- 1 row(s) returned not ER_BAD_FIELD_ERROR

drop table t1;

--echo #
--echo # mdev-14368: grouping query with alias for aggregate function in HAVING
--echo #             when sql_mode = 'ONLY_FULL_GROUP_BY'


set @save_sql_mode= @@sql_mode;
set sql_mode = 'ONLY_FULL_GROUP_BY';

create table t1(a int);
insert  t1 values (4),(1),(2),(1), (3),(4);

SELECT a, COUNT(a) as ct FROM t1 GROUP BY a HAVING ct>0;

set sql_mode=@save_sql_mode;

drop table t1;

--echo #
--echo # mdev-16235: impossible HAVING in query without aggregation
--echo #

explain extended
select * from mysql.help_topic where example = 'foo' having description is null;

select * from mysql.help_topic where example = 'foo' having description is null;

--echo #
--echo # End of 5. tests
--echo #

--echo #
--echo # Start of 10.0 tests
--echo #

--echo #
--echo # Bug mdev-5160: two-way join with HAVING over the second table
--echo #

CREATE TABLE t1 (c1 varchar(6)) ENGINE=MyISAM;
INSERT INTO t1 VALUES ('s'), ('t'), ('a'),  ('x');

CREATE TABLE t2 (c2 varchar(6)) ENGINE=MyISAM;
INSERT INTO t2 VALUES ('a'), ('x');

SELECT * FROM t1 JOIN t2 ON c1 = c2 HAVING c2 > 'a' ORDER BY c2 LIMIT 1; 

DROP TABLE t1,t2;

--echo #
--echo # MDEV-6736: Valgrind warnings 'Invalid read' in subselect_engine::calc_const_tables with SQ 
--echo # in WHERE and HAVING, ORDER BY, materialization+semijoin
--echo #

CREATE TABLE t1 (a INT) ENGINE=MyISAM;
INSERT INTO t1 VALUES (3),(8);

CREATE TABLE t2 (b INT) ENGINE=MyISAM;
INSERT INTO t2 VALUES (2),(1);

SELECT a FROM t1
WHERE 9 IN ( SELECT MIN( a ) FROM t1 )
HAVING a <> ( SELECT COUNT(*) FROM t2 ) 
ORDER BY a;

DROP TABLE t1,t2;

--echo End of 10.0 tests

--echo #
--echo # MDEV-10716: Assertion `real_type() != FIELD_ITEM' failed in
--echo # Item_ref::build_equal_items(THD*, COND_EQUAL*, bool, COND_EQUAL**)
--echo #
CREATE TABLE t1 (i INT);
INSERT INTO t1 VALUES (1),(2);
SELECT i, COUNT(*) FROM t1 GROUP BY i HAVING i<>0 AND 1;
SELECT i-1 A, COUNT(*) FROM t1 GROUP BY i HAVING A AND 1;
CREATE VIEW v1 as select i, i-1 as A from t1;
SELECT A, COUNT(*) FROM v1 GROUP BY i HAVING A AND 1;
DROP VIEW v1;
DROP TABLE t1;

--echo End of 10.1 tests

--echo #
--echo # MDEV-14093: GROUP BY with HAVING over function + ORDER BY
--echo #

CREATE TABLE _authors (
  id MEDIUMINT(8) UNSIGNED AUTO_INCREMENT,
  name VARCHAR(100),
  some_field MEDIUMINT(8) UNSIGNED,
  PRIMARY KEY (id),
  index(some_field)
);
 
CREATE TABLE _books (
  id MEDIUMINT(8) UNSIGNED AUTO_INCREMENT,
  title VARCHAR(100),
  PRIMARY KEY (id)
);
CREATE TABLE _books2authors (
  author_id MEDIUMINT(8) DEFAULT 0,
  book_id MEDIUMINT(8) DEFAULT 0,
  index(author_id),
  index(book_id)
);

INSERT INTO _authors (name, some_field) VALUES
('author1', 1),('author2', 2),('author3', 3);

INSERT INTO _books (title) VALUES
('book1'),('book2'),('book3');

INSERT INTO _books2authors (author_id, book_id) VALUES
(2,1),(3,2),(3,3);

SELECT A.id,
       GROUP_CONCAT(B.title ORDER BY B.title DESC SEPARATOR ',') AS books,
       some_field-1 AS having_field
FROM _authors A
     LEFT JOIN _books2authors B2A FORCE INDEX(author_id)
     ON B2A.author_id = A.id
     LEFT JOIN
     _books B ON B.id = B2A.book_id
GROUP BY A.id
HAVING having_field < 1
ORDER BY having_field ASC;

DROP TABLE _authors, _books, _books2authors;

--echo #
--echo # Bug#17055185: WRONG RESULTS WHEN RUNNING A SELECT THAT INCLUDE
--echo #               A HAVING BASED ON A FUNCTION.
--echo #

# Generate series 1, 0, 1, 0....
CREATE TABLE series (
  val INT(10) UNSIGNED NOT NULL
);
INSERT INTO series VALUES(1);

DELIMITER |;
CREATE FUNCTION next_seq_value() RETURNS INT
BEGIN
 DECLARE next_val INT;
 SELECT val INTO next_val FROM series;
 UPDATE series SET val=mod(val + 1, 2);
 RETURN next_val;
END;
|
DELIMITER ;|

CREATE TABLE t1 (t INT, u INT, KEY(t));
INSERT INTO t1 VALUES(10, 10), (11, 11), (12, 12), (12, 13),(14, 15), (15, 16),
                     (16, 17), (17, 17);
ANALYZE TABLE t1;
explain SELECT t, next_seq_value() r FROM t1 FORCE INDEX(t) GROUP BY t HAVING r = 1  ORDER BY t1.u;
SELECT t, next_seq_value() r FROM t1 FORCE INDEX(t) GROUP BY t HAVING r = 1  ORDER BY t1.u;

DROP TABLE t1;
DROP FUNCTION next_seq_value;
DROP TABLE series;


--echo #
--echo # MDEV-24958 Server crashes in my_strtod /
--echo # Value_source::Converter_strntod::Converter_strntod with DEFAULT(blob)
--echo #
--echo # MDEV-24942 Server crashes in _ma_rec_pack / _ma_write_blob_record with
--echo # DEFAULT() on BLOB
--echo #

CREATE TABLE t1 (id INT, f MEDIUMTEXT NOT NULL DEFAULT 'A');
INSERT INTO t1 VALUES (1,'foo'),(2,'bar');
SELECT f FROM t1 GROUP BY id ORDER BY DEFAULT(f);
SELECT DEFAULT(f) AS h FROM t1 HAVING h > 5;
SELECT DEFAULT(f) AS h FROM t1 HAVING h >= 0;
SELECT DEFAULT(f) AS h FROM t1 HAVING h >= 'A';

alter table t1 add column b int default (rand()+1+3);
--replace_column 1 #
select default(b) AS h FROM t1 HAVING h > "2";
drop table t1;

--echo #
--echo # End of 10.3 tests
--echo #

--echo #
--echo # MDEV-18681: AND formula in HAVING with several occurances
--echo #             of the same field f in different conjuncts + f=constant
--echo #

CREATE TABLE t1 (pk int, f varchar(1));
INSERT INTO t1 VALUES (2,'x'), (7,'y');
CREATE TABLE t2 (pk int);
INSERT INTO t2 VALUES (2), (3);

SELECT t.f
FROM (SELECT t1.* FROM (t1 JOIN t2 ON (t2.pk = t1.pk))) t
HAVING t.f != 112 AND t.f = 'x' AND t.f != 'a';

DROP TABLE t1,t2;

--echo #
--echo # MDEV-20200: AddressSanitizer: use-after-poison in
--echo # Item_direct_view_ref::get_null_ref_table
--echo #

CREATE TABLE t (f VARCHAR(512));
INSERT INTO t VALUES ('a'),('b');
SELECT * FROM t HAVING f = 'foo';

# Cleanup
DROP TABLE t;

--echo #
--echo # End of 10.4 tests
--echo #