File: delete_quick.result

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file content (25 lines) | stat: -rw-r--r-- 626 bytes parent folder | download | duplicates (11) 
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DROP TABLE IF EXISTS t1,t2;
CREATE TABLE t1 (a <INT_COLUMN>, <CUSTOM_INDEX> (a), b <CHAR_COLUMN>) ENGINE=<STORAGE_ENGINE> <CUSTOM_TABLE_OPTIONS>;
INSERT INTO t1 (a,b) VALUES (1,'a'),(2,'b'),(3,'c'),(4,'d'),(5,'e');
DELETE QUICK FROM t1 WHERE a = 1 OR b > 'foo';
SELECT a,b FROM t1;
a	b
2	b
3	c
4	d
5	e
CREATE TABLE t2 (c <CHAR_COLUMN>, d <INT_COLUMN>) ENGINE=<STORAGE_ENGINE> <CUSTOM_TABLE_OPTIONS>;
INSERT INTO t2 (c,d) SELECT b, a FROM t1;
SELECT c,d FROM t2;
c	d
b	2
c	3
d	4
e	5
DELETE QUICK FROM t2, t1.* USING t2, t1 WHERE c IS NULL OR a = d;
SELECT a,b FROM t1;
a	b
SELECT c,d FROM t2;
c	d
DROP TABLE t2;
DROP TABLE t1;