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Diffstat (limited to 'src/backend/utils/adt/jsonb_util.c')
-rw-r--r--src/backend/utils/adt/jsonb_util.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/backend/utils/adt/jsonb_util.c b/src/backend/utils/adt/jsonb_util.c
index 806d1aa3a98..773f3690c7b 100644
--- a/src/backend/utils/adt/jsonb_util.c
+++ b/src/backend/utils/adt/jsonb_util.c
@@ -246,6 +246,13 @@ compareJsonbContainers(JsonbContainer *a, JsonbContainer *b)
*/
if (va.val.array.rawScalar != vb.val.array.rawScalar)
res = (va.val.array.rawScalar) ? -1 : 1;
+
+ /*
+ * There should be an "else" here, to prevent us from
+ * overriding the above, but we can't change the sort
+ * order now, so there is a mild anomaly that an empty
+ * top level array sorts less than null.
+ */
if (va.val.array.nElems != vb.val.array.nElems)
res = (va.val.array.nElems > vb.val.array.nElems) ? 1 : -1;
break;