diff options
Diffstat (limited to 'src/include')
-rw-r--r-- | src/include/utils/expandeddatum.h | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/include/utils/expandeddatum.h b/src/include/utils/expandeddatum.h index 9c3b4667310..47989a8cf20 100644 --- a/src/include/utils/expandeddatum.h +++ b/src/include/utils/expandeddatum.h @@ -136,6 +136,15 @@ struct ExpandedObjectHeader #define EOHPGetRWDatum(eohptr) PointerGetDatum((eohptr)->eoh_rw_ptr) #define EOHPGetRODatum(eohptr) PointerGetDatum((eohptr)->eoh_ro_ptr) +/* Does the Datum represent a writable expanded object? */ +#define DatumIsReadWriteExpandedObject(d, isnull, typlen) \ + (((isnull) || (typlen) != -1) ? false : \ + VARATT_IS_EXTERNAL_EXPANDED_RW(DatumGetPointer(d))) + +#define MakeExpandedObjectReadOnly(d, isnull, typlen) \ + (((isnull) || (typlen) != -1) ? (d) : \ + MakeExpandedObjectReadOnlyInternal(d)) + extern ExpandedObjectHeader *DatumGetEOHP(Datum d); extern void EOH_init_header(ExpandedObjectHeader *eohptr, const ExpandedObjectMethods *methods, @@ -143,8 +152,7 @@ extern void EOH_init_header(ExpandedObjectHeader *eohptr, extern Size EOH_get_flat_size(ExpandedObjectHeader *eohptr); extern void EOH_flatten_into(ExpandedObjectHeader *eohptr, void *result, Size allocated_size); -extern bool DatumIsReadWriteExpandedObject(Datum d, bool isnull, int16 typlen); -extern Datum MakeExpandedObjectReadOnly(Datum d, bool isnull, int16 typlen); +extern Datum MakeExpandedObjectReadOnlyInternal(Datum d); extern Datum TransferExpandedObject(Datum d, MemoryContext new_parent); extern void DeleteExpandedObject(Datum d); |