gp_relfile_node#

The gp_relfile_node table contains information about the file system objects for a relation (table, view, index, and so on).

Table 1. pg_catalog.gp_relation_node

column

type

references

description

relfilenode_oid

oid

pg_class_internal.relfilenode

The object id of the relation file node.

segment_file_num

integer

For append-only tables, the append-only segment file number.

persistent_tid

tid

Used by OushuDB to internally manage persistent representations of file system objects.

persistent_serial_num

bigint

Log sequence number position for a file block.