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authorPatrick Cloke <clokep@users.noreply.github.com>2023-11-07 14:02:09 -0500
committerGitHub <noreply@github.com>2023-11-07 14:02:09 -0500
commit455ef041871fe944a0f3b7b1f5073663f20a99be (patch)
tree4d81ac2b66652be0a2954314ddcdda5252e1078b /synapse/storage/database.py
parentAvoid executing no-op queries. (#16583) (diff)
downloadsynapse-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 'synapse/storage/database.py')
-rw-r--r--synapse/storage/database.py5
1 files changed, 1 insertions, 4 deletions
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)