#
# Regression tests for bugs in subquery evaluation that need
# a specific optimizer strategy selection
#
--echo # Bug#26436185 Assertion 'buf_is_inside_another(data_in_mysql_buf, ...)

CREATE TABLE t1 (
  pk int NOT NULL,
  col_int_key int DEFAULT NULL,
  col_int int DEFAULT NULL,
  col_varchar varchar(1) DEFAULT NULL,
  PRIMARY KEY (pk),
  KEY col_int_key (col_int_key)
);

INSERT INTO t1 VALUES (10,7,5,'l'), (12,7,4,'o');

CREATE TABLE t2 (
  col_date_key date DEFAULT NULL,
  col_datetime_key datetime DEFAULT NULL,
  col_int_key int(11) DEFAULT NULL,
  col_varchar_key varchar(1) DEFAULT NULL,
  col_varchar varchar(1) DEFAULT NULL,
  col_time time DEFAULT NULL,
  pk int NOT NULL,
  col_date date DEFAULT NULL,
  col_time_key time DEFAULT NULL,
  col_datetime datetime DEFAULT NULL,
  col_int int DEFAULT NULL,
  PRIMARY KEY (pk),
  KEY col_date_key (col_date_key),
  KEY col_datetime_key (col_datetime_key),
  KEY col_int_key (col_int_key),
  KEY col_varchar_key (col_varchar_key),
  KEY col_time_key (col_time_key)
);

INSERT INTO t2(col_int_key,col_varchar_key,col_varchar,pk,col_int)  VALUES
 (8,'a','w',1,5),
 (9,'y','f',7,0),
 (9,'z','i',11,9),
 (9,'r','s',12,3),
 (7,'n','i',13,6),
 (9,'j','v',17,9),
 (240,'u','k',20,6);

CREATE TABLE t3 (
  col_int int DEFAULT NULL,
  col_int_key int(11) DEFAULT NULL,
  pk int NOT NULL,
  PRIMARY KEY (pk),
  KEY col_int_key (col_int_key)
);

INSERT INTO t3 VALUES (8,4,1);

ANALYZE TABLE t1, t2, t3;

let $query=
SELECT table2.col_int_key AS field1
FROM (SELECT sq1_t1.*
      FROM t1 AS sq1_t1 RIGHT OUTER JOIN t2 AS sq1_t2
           ON sq1_t2.col_varchar_key = sq1_t1.col_varchar
     ) AS table1
     LEFT JOIN t1 AS table2
       RIGHT JOIN t2 AS table3
       ON table3.pk = table2.col_int_key
     ON table3.col_int_key = table2.col_int
WHERE table3.col_int_key >= ALL
   (SELECT sq2_t1.col_int AS sq2_field1
    FROM t2 AS sq2_t1 STRAIGHT_JOIN t3 AS sq2_t2
         ON sq2_t2.col_int = sq2_t1.pk AND
            sq2_t1.col_varchar IN
       (SELECT sq21_t1.col_varchar AS sq21_field1
        FROM t2 AS sq21_t1 STRAIGHT_JOIN t1 AS sq21_t2
             ON sq21_t2.col_int_key = sq21_t1.pk
        WHERE sq21_t1.pk = 7
       )
    WHERE sq2_t2.col_int_key >= table2.col_int AND
          sq2_t1.col_int_key <= table2.col_int_key
   );

eval EXPLAIN $query;
eval $query;

DROP TABLE t1, t2, t3;

--echo #
--echo # Bug#24713879 ASSERTION `MAYBE_NULL' FAILED. HANDLE_FATAL_SIGNAL IN TEM_FUNC_CONCAT::VAL_STR
--echo #

CREATE TABLE t1(k VARCHAR(10) PRIMARY KEY);
CREATE TABLE t2(k VARCHAR(10) PRIMARY KEY);

SET SQL_MODE='';

let $query=
SELECT (SELECT 'X' FROM t2
        WHERE t2.k = CONCAT(t1.k, 'X')) = 'XXX'
FROM t1
WHERE k ='X';

eval EXPLAIN $query;
eval $query;

let $query=
SELECT (SELECT 'X' FROM t2
        WHERE t2.k = CONCAT(t1.k, 'X')) = 'XXX',
       SUM(k)
FROM t1;

eval EXPLAIN $query;
eval $query;

let $query=
SELECT SUM(k), k
FROM t1
HAVING (SELECT 'X' FROM t2
        WHERE t2.k = CONCAT(t1.k, 'X')) = 'XXX';

eval EXPLAIN $query;
eval $query;

let $query=
SELECT (SELECT 'X' FROM t2
        WHERE t2.k = CONCAT(t1.k, 'X')
        AND SUM(t1.k)) = 'XXX'
FROM t1;

eval EXPLAIN $query;
eval $query;

SET SQL_MODE=ONLY_FULL_GROUP_BY;

let $query=
SELECT (SELECT 'X' FROM t2
        WHERE t2.k = CONCAT(t1.k, 'X')) = 'XXX'
FROM t1
WHERE k ='X';

eval EXPLAIN $query;
eval $query;

let $query=
SELECT (SELECT 'X' FROM t2
        WHERE t2.k = CONCAT(t1.k, 'X')) = 'XXX',
       SUM(k)
FROM t1;

--error ER_MIX_OF_GROUP_FUNC_AND_FIELDS
eval EXPLAIN $query;

let $query=
SELECT SUM(k), k
FROM t1
HAVING (SELECT 'X' FROM t2
        WHERE t2.k = CONCAT(t1.k, 'X')) = 'XXX';

--error ER_MIX_OF_GROUP_FUNC_AND_FIELDS
eval EXPLAIN $query;

let $query=
SELECT (SELECT 'X' FROM t2
        WHERE t2.k = CONCAT(t1.k, 'X')
        AND SUM(t1.k)) = 'XXX'
FROM t1;

--error ER_MIX_OF_GROUP_FUNC_AND_FIELDS
eval EXPLAIN $query;

SET SQL_MODE=STRICT_TRANS_TABLES;

let $query=
SELECT (SELECT 'X' FROM t2
        WHERE t2.k = CONCAT(t1.k, 'X')) = 'XXX'
FROM t1
WHERE k ='X';

eval EXPLAIN $query;
eval $query;

let $query=
SELECT (SELECT 'X' FROM t2
        WHERE t2.k = CONCAT(t1.k, 'X')) = 'XXX',
       SUM(k)
FROM t1;

eval EXPLAIN $query;
eval $query;

let $query=
SELECT SUM(k), k
FROM t1
HAVING (SELECT 'X' FROM t2
        WHERE t2.k = CONCAT(t1.k, 'X')) = 'XXX';

eval EXPLAIN $query;
eval $query;

let $query=
SELECT (SELECT 'X' FROM t2
        WHERE t2.k = CONCAT(t1.k, 'X')
        AND SUM(t1.k)) = 'XXX'
FROM t1;

eval EXPLAIN $query;
eval $query;

SET SQL_MODE=DEFAULT;

let $query=
SELECT (SELECT 'X' FROM t2
        WHERE t2.k = CONCAT(t1.k, 'X')) = 'XXX'
FROM t1
WHERE k ='X';

eval EXPLAIN $query;
eval $query;

let $query=
SELECT (SELECT 'X' FROM t2
        WHERE t2.k = CONCAT(t1.k, 'X')) = 'XXX',
       SUM(k)
FROM t1;

--error ER_MIX_OF_GROUP_FUNC_AND_FIELDS
eval EXPLAIN $query;

let $query=
SELECT SUM(k), k
FROM t1
HAVING (SELECT 'X' FROM t2
        WHERE t2.k = CONCAT(t1.k, 'X')) = 'XXX';

--error ER_MIX_OF_GROUP_FUNC_AND_FIELDS
eval EXPLAIN $query;

let $query=
SELECT (SELECT 'X' FROM t2
        WHERE t2.k = CONCAT(t1.k, 'X')
        AND SUM(t1.k)) = 'XXX'
FROM t1;

--error ER_MIX_OF_GROUP_FUNC_AND_FIELDS
eval EXPLAIN $query;

DROP TABLE t1,t2;

--echo #
--echo # Bug#27665085 ASSERTION FAILED: JOIN == 0.
--echo #

SET sql_mode='';
CREATE TABLE a(d INT,e BIGINT, KEY(e));
INSERT a VALUES (0,0);
CREATE TABLE b(f TIME);
INSERT b VALUES (null),(null),(null);
CREATE TABLE c(g DATETIME(6) NOT NULL);
INSERT c(g) VALUES (now()+interval 1 day);
INSERT c(g) VALUES (now()-interval 1 day);

--error ER_SUBQUERY_NO_1_ROW
SELECT 1 FROM a WHERE (SELECT f FROM b WHERE (SELECT 1 FROM c)) <=> e GROUP BY d;

SET sql_mode=default;
DROP TABLES a, b, c;

--echo #
--echo # Bug#27182010 SUBQUERY INCORRECTLY SHOWS DUPLICATE VALUES ON SUBQUERIES
--echo #

CREATE TABLE p (Id INT,PRIMARY KEY (Id));
INSERT INTO p VALUES (1);

--echo # Test UNIQUE KEY with NULL values
CREATE TABLE s (Id INT, u INT, UNIQUE KEY o(Id, u) );
INSERT INTO s VALUES (1, NULL),(1, NULL);

ANALYZE TABLE p, s;

let query1= SELECT p.Id FROM (p) WHERE p.Id IN (
            SELECT s.Id FROM s WHERE Id=1 AND u IS NULL)ORDER BY Id DESC;
let query2= SELECT p.Id FROM (p) WHERE p.Id IN (
            SELECT s.Id FROM s WHERE Id=1 AND u IS NOT NULL) ORDER BY Id DESC;

eval EXPLAIN $query1;
eval EXPLAIN $query2;

eval $query1;
eval $query2;

--echo # UNIQUE KEY without NULL values
CREATE TABLE s1 (Id INT, u INT, UNIQUE KEY o(Id, u) );
INSERT INTO s1 VALUES (1, 2),(1, 3);
ANALYZE TABLE s1;

let query3= SELECT p.Id FROM (p) WHERE p.Id IN (
            SELECT s1.Id FROM s1 WHERE Id=1 AND u IS NOT NULL) ORDER BY Id DESC;
let query4= SELECT p.Id FROM (p) WHERE p.Id IN (
            SELECT s1.Id FROM s1 WHERE Id=1 AND u != 1) ORDER BY Id DESC;

eval EXPLAIN $query3;
eval EXPLAIN $query4;

eval $query3;
eval $query4;

--echo # NON UNIQUE KEY Scenario
CREATE TABLE s2 (Id INT, u INT, KEY o(Id, u) );
INSERT INTO s2 VALUES (1, NULL),(1, NULL);

let query5= SELECT p.Id FROM (p) WHERE p.Id IN (
            SELECT s.Id FROM s2 s WHERE Id=1 AND u IS NULL) ORDER BY Id DESC;

--echo #UNIQUE KEY with NON NULL FIELDS
CREATE TABLE s3 (Id INT NOT NULL, u INT NOT NULL, UNIQUE KEY o(Id, u));
INSERT INTO s3 VALUES (1, 2),(1, 3);

let query6= SELECT p.Id FROM (p) WHERE p.Id IN (
            SELECT s.Id FROM s3 s WHERE Id=1 AND u IS NOT NULL)
            ORDER BY Id DESC;

eval EXPLAIN $query5;
eval EXPLAIN $query6;

eval $query5;
eval $query6;

DROP TABLE p, s, s1, s2, s3;
--echo #
--echo # Bug#28239008: WL#9571: SIG11 IN ITEM_FIELD::RESULT_TYPE() AT SQL/ITEM.H
--echo #

CREATE TABLE t1 (f1 varchar(1) DEFAULT NULL);

INSERT INTO t1 VALUES ('5');

CREATE TABLE t2 (f1 varchar(1) DEFAULT NULL);

INSERT INTO t2 VALUES ('Y');

PREPARE prep_stmt FROM "SELECT t2.f1 FROM (t2 LEFT JOIN t1
 ON (1 = ANY (SELECT f1 FROM t1 WHERE 1 IS NULL)))" ;

EXECUTE prep_stmt ;

DROP TABLE t1,t2;

CREATE TABLE t1 (f1 varchar(1) DEFAULT NULL);
INSERT INTO t1 VALUES ('Z') ;
CREATE TABLE t2 (f1 varchar(1) DEFAULT NULL);
INSERT INTO t2 VALUES ('Z') ;

PREPARE prep_stmt FROM "
SELECT t2.f1 FROM t2 LEFT OUTER JOIN
(SELECT  * FROM t2 WHERE ('y',1)
 IN (SELECT alias1.f1 , 0 FROM t1 AS alias1 LEFT JOIN t2 ON 0)) AS alias ON 0";

EXECUTE prep_stmt ;

PREPARE prep_stmt FROM "
SELECT t2.f1 FROM (t2 LEFT OUTER JOIN (SELECT  * FROM t2 WHERE ('y',1)
 IN (SELECT alias1.f1 , 0 FROM
     (t1 INNER JOIN  (t1 AS alias1 LEFT JOIN t2 ON 0) ON 0))) AS alias ON 0)";

EXECUTE prep_stmt ;

DROP TABLE t1,t2;

--echo #
--echo # Bug#28805105: Sig11 in calc_length_and_keyparts
--echo #

CREATE TABLE t1 (cv VARCHAR(1) DEFAULT NULL);

INSERT INTO t1 VALUES ('h'), ('Q'), ('I'), ('q'), ('W');

ANALYZE TABLE t1;

let $query=
SELECT cv
FROM t1
WHERE EXISTS (SELECT alias1.cv AS field1
              FROM t1 AS alias1 RIGHT JOIN t1 AS alias2
                   ON alias1.cv = alias2.cv
             );

eval EXPLAIN $query;
eval $query;

DROP TABLE t1;

--echo # Bug#28970261: Sig6 in decorrelate_equality()

CREATE TABLE t1 (col_varchar_key varchar(1) DEFAULT NULL);

let $query=
SELECT *
FROM t1
WHERE col_varchar_key IN
       (SELECT col_varchar_key
        FROM t1
        WHERE col_varchar_key =
              (SELECT col_varchar_key
               FROM t1
               WHERE col_varchar_key > @var1
              )
       );
eval EXPLAIN $query;
eval $query;

let $query=
SELECT *
FROM t1
WHERE col_varchar_key IN
       (SELECT col_varchar_key
        FROM t1
        WHERE col_varchar_key =
              (SELECT col_varchar_key
               FROM t1
               WHERE col_varchar_key = RAND()
              )
       );
eval EXPLAIN $query;
eval $query;

DROP TABLE t1;

--echo #
--echo # Bug#29356132:OPTIMIZED-AWAY SUBQUERY IN PREPARED STATEMENT CAUSES ASSERT FAILURE IN EXECUTION
--echo #

CREATE TABLE t1 (f1 varchar(1));

INSERT INTO t1 VALUES ('5');

CREATE TABLE t2 (f1 varchar(1));

INSERT INTO t2 VALUES ('Y');

PREPARE prep_stmt FROM "SELECT t2.f1 FROM (t2 LEFT JOIN t1
 ON 1 IN (SELECT f1 FROM t1 WHERE FALSE))" ;

EXECUTE prep_stmt ;

DROP TABLE t1,t2;

--source suite/xengine/include/check_xengine_log_error.inc