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-rw-r--r--src/backend/access/nbtree/nbtutils.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/src/backend/access/nbtree/nbtutils.c b/src/backend/access/nbtree/nbtutils.c
index b9f81496976..b4ba51357a5 100644
--- a/src/backend/access/nbtree/nbtutils.c
+++ b/src/backend/access/nbtree/nbtutils.c
@@ -538,11 +538,10 @@ _bt_preprocess_array_keys(IndexScanDesc scan, int *new_numberOfKeys)
* _bt_preprocess_array_keys_final() -- fix up array scan key references
*
* When _bt_preprocess_array_keys performed initial array preprocessing, it
- * set each array's array->scan_key to the array's arrayKeys[] entry offset
- * (that also work as references into the original scan->keyData[] array).
+ * set each array's array->scan_key to its scankey's arrayKeyData[] offset.
* This function handles translation of the scan key references from the
* BTArrayKeyInfo info array, from input scan key references (to the keys in
- * scan->keyData[]), into output references (to the keys in so->keyData[]).
+ * arrayKeyData[]), into output references (to the keys in so->keyData[]).
* Caller's keyDataMap[] array tells us how to perform this remapping.
*
* Also finalizes so->orderProcs[] for the scan. Arrays already have an ORDER
@@ -2974,8 +2973,8 @@ _bt_preprocess_keys(IndexScanDesc scan)
/*
* Now that we've built a temporary mapping from so->keyData[] (output
- * scan keys) to scan->keyData[] (input scan keys), fix array->scan_key
- * references. Also consolidate the so->orderProc[] array such that it
+ * scan keys) to arrayKeyData[] (our input scan keys), fix array->scan_key
+ * references. Also consolidate the so->orderProcs[] array such that it
* can be subscripted using so->keyData[]-wise offsets.
*/
if (arrayKeyData)