25 lines
535 B
Plaintext
25 lines
535 B
Plaintext
DROP TABLE IF EXISTS t1,t2;
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CREATE TABLE t1 (a INT, b CHAR(8), PRIMARY KEY (a)) ENGINE=xengine;
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INSERT INTO t1 (a,b) VALUES (1,'a'),(2,'b'),(3,'c'),(4,'d'),(5,'e');
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DELETE QUICK FROM t1 WHERE a = 1 OR b > 'foo';
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SELECT a,b FROM t1;
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a b
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2 b
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3 c
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4 d
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5 e
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CREATE TABLE t2 (c CHAR(8), d INT, PRIMARY KEY (c)) ENGINE=xengine;
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INSERT INTO t2 (c,d) SELECT b, a FROM t1;
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SELECT c,d FROM t2;
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c d
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b 2
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c 3
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d 4
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e 5
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DELETE QUICK FROM t2, t1.* USING t2, t1 WHERE c IS NULL OR a = d;
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SELECT a,b FROM t1;
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a b
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SELECT c,d FROM t2;
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c d
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DROP TABLE t1, t2;
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