FUNCTIONS / SYSTEM ADMINISTRATION FUNCTIONS

pg_column_toast_chunk_id

Shows the chunk_id of an on-disk TOASTed value.

Signatures & examples

pg_column_toast_chunk_id ( "any" ) → oid

Shows the chunk_id of an on-disk TOASTed value. Returns NULL if the value is un-TOASTed or not on-disk. See Section 66.2 for more information about TOAST.

Version history 2

PG 17 → 18changed
PG 16 → 17added

Definition snapshot: 2026-09-14T13:14:25.684213+00:00@99e6866c · English manual source