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authorErik Johnston <erik@matrix.org>2019-10-08 15:09:05 +0100
committerErik Johnston <erik@matrix.org>2019-10-08 16:18:43 +0100
commite7631d84e62e05b0dd0087b1b32b1f5f3ac521c5 (patch)
tree4e40d33a0bde2243166f0f298510e18eb5af8616 /synapse/storage/schema
parentNewsfile (diff)
downloadsynapse-e7631d84e62e05b0dd0087b1b32b1f5f3ac521c5.tar.xz
Fix existing hex encoded json values in DB
Diffstat (limited to 'synapse/storage/schema')
-rw-r--r--synapse/storage/schema/delta/56/redaction_censor3_fix_update.sql.postgres26
1 files changed, 26 insertions, 0 deletions
diff --git a/synapse/storage/schema/delta/56/redaction_censor3_fix_update.sql.postgres b/synapse/storage/schema/delta/56/redaction_censor3_fix_update.sql.postgres
new file mode 100644
index 0000000000..f7bcc5e2f2
--- /dev/null
+++ b/synapse/storage/schema/delta/56/redaction_censor3_fix_update.sql.postgres
@@ -0,0 +1,26 @@
+/* Copyright 2019 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.
+ */
+
+
+-- There was a bug where we may have updated censored redactions as bytes,
+-- which can (somehow) cause json to be inserted hex encoded. This goes and
+-- undoes any such hex encoded JSON.
+UPDATE event_json SET json = convert_from(json::bytea, 'utf8')
+WHERE event_id IN (
+  SELECT event_json.event_id
+  FROM event_json
+  INNER JOIN redactions ON (event_json.event_id = redacts)
+  WHERE have_censored AND json NOT LIKE '{%'
+);