array_ref() should set isNull to false explicitly if it's not going to

return NULL.

diff --git a/src/backend/utils/adt/arrayfuncs.c b/src/backend/utils/adt/arrayfuncs.c
index 3d185ce636d87ec83a90276ce848379fb5d11003..d75864a09ed3b19bb3bdb7ea430109abd3118017 100644 (file)
--- a/src/backend/utils/adt/arrayfuncs.c
+++ b/src/backend/utils/adt/arrayfuncs.c
@@ -812,6 +812,7 @@ array_ref(ArrayType *array,
 
        retptr = array_seek(arraydataptr, elmlen, offset);
 
+       *isNull = false;
        return ArrayCast(retptr, elmbyval, elmlen);
 }