mirror of https://github.com/citusdata/citus.git
26 lines
912 B
SQL
26 lines
912 B
SQL
-- Test aggregate with GROUP BY to isolate the problem
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\c citus
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-- Tables should already exist
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CREATE TABLE IF NOT EXISTS users_table (user_id int, value_1 int, value_2 int);
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CREATE TABLE IF NOT EXISTS events_table (user_id int, event_type int, value_2 int);
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-- Populate with minimal data
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INSERT INTO users_table (user_id, value_1, value_2) VALUES (1, 10, 100), (2, 20, 200) ON CONFLICT DO NOTHING;
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INSERT INTO events_table (user_id, event_type, value_2) VALUES (1, 1, 1), (2, 2, 2) ON CONFLICT DO NOTHING;
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-- Test simple aggregate without GROUP BY (should work)
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SELECT avg(event_type) FROM events_table;
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-- Test simple aggregate with GROUP BY (might fail)
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SELECT avg(event_type) FROM events_table GROUP BY user_id;
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-- Test nested aggregate with GROUP BY (likely to fail)
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SELECT avg(event_type)
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FROM (
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SELECT event_type, user_id
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FROM events_table
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WHERE value_2 < 3
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) sub
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GROUP BY sub.user_id;
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