--source include/have_innodb.inc
--source include/have_sequence.inc

--echo #
--echo # MDEV-31247 Assertion `c >= 0' failed in COST_MULT upon query with
--echo # many joins
--echo #

CREATE TABLE t1 (a INT) ENGINE=MyISAM;
INSERT INTO t1 VALUES (1),(2);

CREATE TABLE t2 (b INT) ENGINE=MyISAM;

CREATE TABLE t3 (c INT) ENGINE=MyISAM;
INSERT INTO t3 VALUES (1),(2),(3);

CREATE TABLE t4 (d CHAR(200), e INT, KEY(e)) ENGINE=Aria;
INSERT INTO t4 (e) VALUES (1),(2),(3);

CREATE TABLE t5 (f INT) ENGINE=MyISAM;
INSERT INTO t5 VALUES (1),(2),(3),(4),(5),(6);

create table t1000 engine=memory select seq from seq_1_to_1000;
create table t2000 engine=memory select seq from seq_1_to_2000;

CREATE ALGORITHM=TEMPTABLE VIEW v AS select t1000.seq
  from t1000 ml1
  join t1000 ml2
  join t1000;

set @@max_statement_time=10;
--replace_regex /least \d* rows/least ### rows/
SELECT * FROM information_schema.TABLES
         JOIN t1000 ts
         JOIN t1000 d1
         JOIN t2000 d3
         LEFT JOIN (t1 JOIN t2) ON 1
         JOIN t1000 d5
         JOIN t1000 PROCESSLIST
         JOIN t1000 d2
         JOIN t1000 event_name
         JOIN t3
         JOIN t4 ON ts.seq = t4.e
         JOIN v ON ts.seq+1 = v.seq
         JOIN t5 limit rows examined 1000;
# Cleanup
DROP VIEW v;
DROP TABLE t1, t2, t3, t4, t5, t1000, t2000;

--echo #
--echo # MDEV-31391 Assertion `((best.records_out) == 0.0 &&
--echo # (best.records) == 0.0) ||
--echo # (best.records_out)/(best.records) < 1.0000001' failed
--echo #

CREATE TABLE t1 (a INT, b INT, PRIMARY KEY(a), KEY(b)) ENGINE=Aria;
INSERT INTO t1 VALUES
(1,13),(2,22),(3,8),(4,88),(5,6),(7,21),(9,64),(10,14),(11,15),(12,8),
(6,20),(8,39),(13,0),(14,3),(15,54),(16,85),(17,1),(18,1),(19,0),(20,0);
CREATE TABLE t2 (c INT) ENGINE=Aria;
INSERT INTO t2 VALUES (1),(2),(3);
EXPLAIN SELECT a FROM t1 JOIN t2 WHERE a = b AND c <> 7 GROUP BY a HAVING a != 6 AND a <= 9;
SELECT a FROM t1 JOIN t2 WHERE a = b AND c <> 7 GROUP BY a HAVING a != 6 AND a <= 9;
DROP TABLE t1, t2;

--echo #
--echo # MDEV-31375 Assertion `dbl_records <= s->records' failed with
--echo # optimizer_use_condition_selectivity=1
--echo #

CREATE TABLE t1 (a INT);
INSERT INTO t1 VALUES (1),(2);
CREATE TABLE t2 (id INT PRIMARY KEY);
INSERT INTO t2 VALUES (2),(3);
SET optimizer_switch = 'derived_with_keys=off';
SET optimizer_use_condition_selectivity = 1;
SELECT t1.* FROM t1 JOIN (SELECT id, COUNT(*) FROM t2 GROUP BY id) sq ON sq.id = t1.a;
DROP TABLE t1, t2;

--echo #
--echo # End of 11.0 tests
--echo #