---
title: "gp_fastsequence"
source: https://cloudberry.apache.org/docs/sys-catalogs/sys-tables/gp-fastsequence
---

# gp_fastsequence

The `gp_fastsequence` table in the `pg_catalog` schema contains information about append-optimized and column-oriented tables. The `last_sequence` value indicates maximum row number currently used by the table.

|column|type|references|description|
|------|----|----------|-----------|
|`objid`|oid| `pg_class.oid` |Object id of the `pg_aoseg.pg_aocsseg_*` table used to track append-optimized file segments.|
|`objmod`|bigint| |Object modifier.|
|`last_sequence`|bigint| |The last sequence number used by the object.|