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Mini Shell

Mini Shell

Direktori : /home/rs/mysql/5.1/mysql-test/r/
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Current File : /home/rs/mysql/5.1/mysql-test/r/subselect_debug.result

CREATE TABLE t1(id INT);
INSERT INTO t1 VALUES (1),(2),(3),(4);
INSERT INTO t1 SELECT a.id FROM t1 a,t1 b,t1 c,t1 d;
SET SESSION debug="d,subselect_exec_fail";
SELECT SUM(EXISTS(SELECT RAND() FROM t1)) FROM t1;
SUM(EXISTS(SELECT RAND() FROM t1))
0
SELECT REVERSE(EXISTS(SELECT RAND() FROM t1));
REVERSE(EXISTS(SELECT RAND() FROM t1))
0
SET SESSION debug=DEFAULT;
DROP TABLE t1;

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