File: table_keyinfo-6838.result

package info (click to toggle)
mariadb-10.0 10.0.30-0%2Bdeb8u2
  • links: PTS, VCS
  • area: main
  • in suites: jessie
  • size: 474,048 kB
  • ctags: 183,740
  • sloc: cpp: 1,391,728; ansic: 831,813; perl: 59,717; sh: 36,566; pascal: 32,281; yacc: 14,921; xml: 5,257; sql: 4,660; cs: 4,647; makefile: 4,555; ruby: 4,465; python: 2,292; lex: 1,427; java: 941; asm: 295; awk: 54; php: 22; sed: 16
file content (12 lines) | stat: -rw-r--r-- 640 bytes parent folder | download | duplicates (10) 
1
2
3
4
5
6
7
8
9
10
11
12
 
CREATE TABLE t1 (i INT, state VARCHAR(997)) ENGINE=MyISAM;
INSERT INTO t1 VALUES (2,'Louisiana'),(9,'Maine');
CREATE TABLE t2 (state VARCHAR(997), j INT) ENGINE=MyISAM;
INSERT INTO t2 VALUES ('Louisiana',9),('Alaska',5);
INSERT INTO t2 SELECT t2.* FROM t2 JOIN t2 AS t3 JOIN t2 AS t4 JOIN t2 AS t5 JOIN t2 AS t6;
SET @@max_heap_table_size= 16384;
set @@optimizer_switch='derived_merge=OFF';
set @@optimizer_switch='extended_keys=ON';
SELECT * FROM t1 AS t1_1 LEFT JOIN ( t1 AS t1_2 INNER JOIN (SELECT * FROM t2) v2 ON t1_2.i = j ) ON t1_1.state = v2.state LIMIT 1;
i	state	i	state	state	j
2	Louisiana	9	Maine	Louisiana	9
DROP TABLE t1, t2;