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-rw-r--r--changelog.d/10349.misc1
-rw-r--r--synapse/storage/schema/main/delta/61/01change_appservices_txns.sql.postgres23
2 files changed, 24 insertions, 0 deletions
diff --git a/changelog.d/10349.misc b/changelog.d/10349.misc
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+Switch `application_services_txns.txn_id` database column to `BIGINT`.
diff --git a/synapse/storage/schema/main/delta/61/01change_appservices_txns.sql.postgres b/synapse/storage/schema/main/delta/61/01change_appservices_txns.sql.postgres
new file mode 100644
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+++ b/synapse/storage/schema/main/delta/61/01change_appservices_txns.sql.postgres
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+/* Copyright 2021 The Matrix.org Foundation C.I.C
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+-- we use bigint elsewhere in the database for appservice txn ids (notably,
+-- application_services_state.last_txn), and generally we use bigints everywhere else
+-- we have monotonic counters, so let's bring this one in line.
+--
+-- assuming there aren't thousands of rows for decommisioned/non-functional ASes, this
+-- table should be pretty small, so safe to do a synchronous ALTER TABLE.
+
+ALTER TABLE application_services_txns ALTER COLUMN txn_id SET DATA TYPE BIGINT;