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73 lines
2.8 KiB
Text
73 lines
2.8 KiB
Text
#
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# MDEV-31247 Assertion `c >= 0' failed in COST_MULT upon query with
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# many joins
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#
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CREATE TABLE t1 (a INT) ENGINE=MyISAM;
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INSERT INTO t1 VALUES (1),(2);
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CREATE TABLE t2 (b INT) ENGINE=MyISAM;
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CREATE TABLE t3 (c INT) ENGINE=MyISAM;
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INSERT INTO t3 VALUES (1),(2),(3);
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CREATE TABLE t4 (d CHAR(200), e INT, KEY(e)) ENGINE=Aria;
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INSERT INTO t4 (e) VALUES (1),(2),(3);
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CREATE TABLE t5 (f INT) ENGINE=MyISAM;
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INSERT INTO t5 VALUES (1),(2),(3),(4),(5),(6);
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create table t1000 engine=memory select seq from seq_1_to_1000;
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create table t2000 engine=memory select seq from seq_1_to_2000;
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CREATE ALGORITHM=TEMPTABLE VIEW v AS select t1000.seq
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from t1000 ml1
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join t1000 ml2
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join t1000;
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set @@max_statement_time=10;
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SELECT * FROM information_schema.TABLES
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JOIN t1000 ts
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JOIN t1000 d1
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JOIN t2000 d3
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LEFT JOIN (t1 JOIN t2) ON 1
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JOIN t1000 d5
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JOIN t1000 PROCESSLIST
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JOIN t1000 d2
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JOIN t1000 event_name
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JOIN t3
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JOIN t4 ON ts.seq = t4.e
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JOIN v ON ts.seq+1 = v.seq
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JOIN t5 limit rows examined 1000;
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TABLE_CATALOG TABLE_SCHEMA TABLE_NAME TABLE_TYPE ENGINE VERSION ROW_FORMAT TABLE_ROWS AVG_ROW_LENGTH DATA_LENGTH MAX_DATA_LENGTH INDEX_LENGTH DATA_FREE AUTO_INCREMENT CREATE_TIME UPDATE_TIME CHECK_TIME TABLE_COLLATION CHECKSUM CREATE_OPTIONS TABLE_COMMENT MAX_INDEX_LENGTH TEMPORARY seq seq seq a b seq seq seq seq c d e seq f
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Warnings:
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Warning 1931 Query execution was interrupted. The query exceeded LIMIT ROWS EXAMINED 1000. The query result may be incomplete
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DROP VIEW v;
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DROP TABLE t1, t2, t3, t4, t5, t1000, t2000;
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#
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# MDEV-31391 Assertion `((best.records_out) == 0.0 &&
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# (best.records) == 0.0) ||
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# (best.records_out)/(best.records) < 1.0000001' failed
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#
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CREATE TABLE t1 (a INT, b INT, PRIMARY KEY(a), KEY(b)) ENGINE=Aria;
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INSERT INTO t1 VALUES
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(1,13),(2,22),(3,8),(4,88),(5,6),(7,21),(9,64),(10,14),(11,15),(12,8),
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(6,20),(8,39),(13,0),(14,3),(15,54),(16,85),(17,1),(18,1),(19,0),(20,0);
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CREATE TABLE t2 (c INT) ENGINE=Aria;
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INSERT INTO t2 VALUES (1),(2),(3);
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EXPLAIN SELECT a FROM t1 JOIN t2 WHERE a = b AND c <> 7 GROUP BY a HAVING a != 6 AND a <= 9;
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t1 range PRIMARY,b PRIMARY 4 NULL 9 Using index condition; Using where; Using temporary; Using filesort
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1 SIMPLE t2 ALL NULL NULL NULL NULL 3 Using where; Using join buffer (flat, BNL join)
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SELECT a FROM t1 JOIN t2 WHERE a = b AND c <> 7 GROUP BY a HAVING a != 6 AND a <= 9;
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a
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DROP TABLE t1, t2;
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#
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# MDEV-31375 Assertion `dbl_records <= s->records' failed with
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# optimizer_use_condition_selectivity=1
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#
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CREATE TABLE t1 (a INT);
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INSERT INTO t1 VALUES (1),(2);
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CREATE TABLE t2 (id INT PRIMARY KEY);
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INSERT INTO t2 VALUES (2),(3);
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SET optimizer_switch = 'derived_with_keys=off';
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SET optimizer_use_condition_selectivity = 1;
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SELECT t1.* FROM t1 JOIN (SELECT id, COUNT(*) FROM t2 GROUP BY id) sq ON sq.id = t1.a;
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a
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2
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DROP TABLE t1, t2;
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#
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# End of 11.0 tests
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#
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