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jrivero/gist:1387602

Forked from jsl/gist:1387560
Created November 23, 2011 00:54
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gistfile1.sql
SELECT DISTINCT message_id
FROM SELECT *, id AS message_id FROM user_messages WHERE user_id = ?
AND read = false AND parent_id IS NULL AS initial_messages
UNION
SELECT *, parent_id AS message_id FROM user_messages WHERE user_id = ?
AND read = false AND parent_id IS NOT NULL AS replies;
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