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-rw-r--r--src/backend/catalog/index.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/src/backend/catalog/index.c b/src/backend/catalog/index.c
index a819b4197ce..33759056e37 100644
--- a/src/backend/catalog/index.c
+++ b/src/backend/catalog/index.c
@@ -2631,8 +2631,9 @@ CompareIndexInfo(const IndexInfo *info1, const IndexInfo *info2,
* Add extra state to IndexInfo record
*
* For unique indexes, we usually don't want to add info to the IndexInfo for
- * checking uniqueness, since the B-Tree AM handles that directly. However,
- * in the case of speculative insertion, additional support is required.
+ * checking uniqueness, since the B-Tree AM handles that directly. However, in
+ * the case of speculative insertion and conflict detection in logical
+ * replication, additional support is required.
*
* Do this processing here rather than in BuildIndexInfo() to not incur the
* overhead in the common non-speculative cases.