10 lines
265 B
MySQL
10 lines
265 B
MySQL
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DELETE FROM event_to_state_groups WHERE state_group not in (
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SELECT MAX(state_group) FROM event_to_state_groups GROUP BY event_id
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);
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DELETE FROM event_to_state_groups WHERE rowid not in (
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SELECT MIN(rowid) FROM event_to_state_groups GROUP BY event_id
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);
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