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32 lines
1.4 KiB
MySQL
32 lines
1.4 KiB
MySQL
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SET transform_null_in = 1;
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DROP TABLE IF EXISTS null_in_1;
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CREATE TABLE null_in_1 (u UInt32, n Nullable(UInt32)) ENGINE = Memory;
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INSERT INTO null_in_1 VALUES (1, NULL), (2, 2), (3, NULL), (4, 4), (5, NULL);
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SELECT count() FROM null_in_1 WHERE n IN (1, 2, NULL);
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SELECT count() FROM null_in_1 WHERE u IN (1, 2, NULL);
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SELECT count() FROM null_in_1 WHERE (u, n) IN ((1, 2), (1, NULL), (2, 2));
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SELECT count() FROM null_in_1 WHERE (u, n) IN ((NULL, NULL), (2, 2), (NULL, 2));
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SELECT count() FROM null_in_1 WHERE (u, n) IN (42, NULL);
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SELECT count() FROM null_in_1 WHERE (u, n) NOT IN ((3, NULL), (5, NULL));
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SELECT '==============';
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DROP TABLE IF EXISTS null_in_1;
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CREATE TABLE null_in_1 (a Nullable(UInt32), b Nullable(UInt32)) ENGINE = Memory;
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INSERT INTO null_in_1 VALUES (1, NULL) (0, NULL) (NULL, NULL) (NULL, 1) (NULL, 0) (0, 0) (1, 1);
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SELECT count() FROM null_in_1 WHERE (a, b) IN (1, NULL);
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SELECT count() FROM null_in_1 WHERE (a, b) IN (0, NULL);
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SELECT count() FROM null_in_1 WHERE (a, b) IN (42, NULL);
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SELECT count() FROM null_in_1 WHERE (a, b) IN (NULL, 0);
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SELECT count() FROM null_in_1 WHERE (a, b) IN (NULL, 1);
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SELECT count() FROM null_in_1 WHERE (a, b) IN (NULL, 42);
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SELECT count() FROM null_in_1 WHERE (a, b) IN (NULL, NULL);
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SELECT count() FROM null_in_1 WHERE (a, b) IN (0, 0);
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SELECT count() FROM null_in_1 WHERE (a, b) IN (1, 1);
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SELECT count() FROM null_in_1 WHERE (a, b) IN (1, 42);
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DROP TABLE IF EXISTS null_in_1;
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