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28 lines
902 B
SQL
28 lines
902 B
SQL
DROP TABLE IF EXISTS join_test;
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CREATE TABLE join_test (id UInt16, num UInt16) engine = Join(ANY, LEFT, id) settings join_any_take_last_row = 1;
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INSERT INTO join_test (id, num) SELECT number, number FROM system.numbers LIMIT 1000;
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SELECT joinGet('join_test', 'num', 500);
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-- joinGet('join_test', 'num', 500) will be 500 and it is fine
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-- replace all the values
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INSERT INTO join_test (id, num) SELECT number, number * 2 FROM system.numbers LIMIT 1000;
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SELECT joinGet ('join_test', 'num', 500);
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-- joinGet('join_test', 'num', 500) will be 1000 and it is fine
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TRUNCATE TABLE join_test;
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INSERT INTO join_test (id, num) SELECT number, number FROM system.numbers LIMIT 1000;
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INSERT INTO join_test (id, num) SELECT number, number * 2 FROM system.numbers LIMIT 1000;
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SELECT joinGet('join_test', 'num', 500);
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-- joinGet('join_test', 'num', 500) will be 1000 and it is not fine
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DROP TABLE join_test;
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