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| author | Patrick Cloke <clokep@users.noreply.github.com> | 2023-11-07 14:02:09 -0500 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2023-11-07 14:02:09 -0500 |
| commit | 455ef041871fe944a0f3b7b1f5073663f20a99be (patch) | |
| tree | 4d81ac2b66652be0a2954314ddcdda5252e1078b | |
| parent | Avoid executing no-op queries. (#16583) (diff) | |
| download | synapse-455ef041871fe944a0f3b7b1f5073663f20a99be.tar.xz | |
Avoid updating the same rows multiple times with simple_update_many_txn. (#16609)
simple_update_many_txn had a bug in it which would cause each update to be applied twice.
Diffstat (limited to '')
| -rw-r--r-- | changelog.d/16609.bugfix | 1 | ||||
| -rw-r--r-- | synapse/storage/database.py | 5 | ||||
| -rw-r--r-- | tests/storage/test_base.py | 4 |
3 files changed, 4 insertions, 6 deletions
diff --git a/changelog.d/16609.bugfix b/changelog.d/16609.bugfix new file mode 100644 index 0000000000..a52d395cd3 --- /dev/null +++ b/changelog.d/16609.bugfix @@ -0,0 +1 @@ +Fix a long-standing bug where some queries updated the same row twice. Introduced in Synapse 1.57.0. diff --git a/synapse/storage/database.py b/synapse/storage/database.py index 792f2e7cdf..f50a4ce2fc 100644 --- a/synapse/storage/database.py +++ b/synapse/storage/database.py @@ -2060,10 +2060,7 @@ class DatabasePool: # List of tuples of (value values, then key values) # (This matches the order needed for the query) - args = [tuple(x) + tuple(y) for x, y in zip(value_values, key_values)] - - for ks, vs in zip(key_values, value_values): - args.append(tuple(vs) + tuple(ks)) + args = [tuple(vv) + tuple(kv) for vv, kv in zip(value_values, key_values)] # 'col1 = ?, col2 = ?, ...' set_clause = ", ".join(f"{n} = ?" for n in value_names) diff --git a/tests/storage/test_base.py b/tests/storage/test_base.py index de4fcfe026..f34b6b2dcf 100644 --- a/tests/storage/test_base.py +++ b/tests/storage/test_base.py @@ -363,12 +363,12 @@ class SQLBaseStoreTestCase(unittest.TestCase): self.mock_execute_batch.assert_called_once_with( self.mock_txn, "UPDATE tablename SET col3 = ? WHERE col1 = ? AND col2 = ?", - [("val3", "val1", "val2"), ("val3", "val1", "val2")], + [("val3", "val1", "val2")], ) else: self.mock_txn.executemany.assert_called_once_with( "UPDATE tablename SET col3 = ? WHERE col1 = ? AND col2 = ?", - [("val3", "val1", "val2"), ("val3", "val1", "val2")], + [("val3", "val1", "val2")], ) # key_values and value_values must be the same length. |