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| author | Erik Johnston <erik@matrix.org> | 2015-04-10 18:47:03 +0100 |
|---|---|---|
| committer | Erik Johnston <erik@matrix.org> | 2015-04-10 18:47:03 +0100 |
| commit | 93937b2b313e5b1020d21f3f2cad404ecff659c2 (patch) | |
| tree | 5abd10c0ce1e7aa031dc53fe94f2d472bbcebfdb /synapse/storage | |
| parent | Use case sensitive collations (diff) | |
| download | synapse-93937b2b313e5b1020d21f3f2cad404ecff659c2.tar.xz | |
Remove duplicate rows
Diffstat (limited to 'synapse/storage')
| -rw-r--r-- | synapse/storage/schema/delta/16/remove_duplicates.sql | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/synapse/storage/schema/delta/16/remove_duplicates.sql b/synapse/storage/schema/delta/16/remove_duplicates.sql new file mode 100644 index 0000000000..65c97b5e2f --- /dev/null +++ b/synapse/storage/schema/delta/16/remove_duplicates.sql @@ -0,0 +1,9 @@ + + +DELETE FROM event_to_state_groups WHERE state_group not in ( + SELECT MAX(state_group) FROM event_to_state_groups GROUP BY event_id +); + +DELETE FROM event_to_state_groups WHERE rowid not in ( + SELECT MIN(rowid) FROM event_to_state_groups GROUP BY event_id +); |