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27 lines
1.0 KiB
SQL
27 lines
1.0 KiB
SQL
SET join_algorithm = 'auto';
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SET max_bytes_in_join = 100;
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DROP TABLE IF EXISTS t;
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DROP TABLE IF EXISTS nr;
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CREATE TABLE t (`x` UInt32, `s` LowCardinality(String)) ENGINE = Memory;
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CREATE TABLE nr (`x` Nullable(UInt32), `s` Nullable(String)) ENGINE = Memory;
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INSERT INTO t VALUES (1, 'l');
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INSERT INTO nr VALUES (2, NULL);
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SET join_use_nulls = 0;
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SELECT t.x, l.s, r.s, toTypeName(l.s), toTypeName(r.s) FROM t AS l LEFT JOIN nr AS r USING (x) ORDER BY t.x;
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SELECT t.x, l.s, r.s, toTypeName(l.s), toTypeName(r.s) FROM t AS l RIGHT JOIN nr AS r USING (x) ORDER BY t.x;
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SELECT t.x, l.s, r.s, toTypeName(l.s), toTypeName(r.s) FROM t AS l FULL JOIN nr AS r USING (x) ORDER BY t.x;
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SELECT '-';
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SELECT t.x, l.s, r.s, toTypeName(l.s), toTypeName(r.s) FROM nr AS l LEFT JOIN t AS r USING (x) ORDER BY t.x;
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SELECT t.x, l.s, r.s, toTypeName(l.s), toTypeName(r.s) FROM nr AS l RIGHT JOIN t AS r USING (x) ORDER BY t.x;
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SELECT t.x, l.s, r.s, toTypeName(l.s), toTypeName(r.s) FROM nr AS l FULL JOIN t AS r USING (x) ORDER BY t.x;
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DROP TABLE t;
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DROP TABLE nr;
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