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15 lines
638 B
Plaintext
15 lines
638 B
Plaintext
--disable_warnings
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DROP TABLE IF EXISTS t7;
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--enable_warnings
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CREATE TABLE t7(c1 SET('a','abcdefghijabcdefghijabcdefghijabcdefghijabcdefghij') NULL);
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INSERT INTO t7(c1) VALUES(NULL);
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INSERT INTO t7(c1) VALUES('');
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INSERT INTO t7(c1) VALUES('a');
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INSERT INTO t7(c1) VALUES('abcdefghijabcdefghijabcdefghijabcdefghijabcdefghij');
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INSERT IGNORE INTO t7(c1) VALUES('abcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghijabcdefghij');
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INSERT INTO t7(c1) VALUES('a,abcdefghijabcdefghijabcdefghijabcdefghijabcdefghij');
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SELECT * FROM t7;
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SELECT COUNT(c1) AS null_rows FROM t7 WHERE c1 IS NULL;
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DROP TABLE t7;
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