GS_TABLESTATS_HISTORY

GS_TABLESTATS_HISTORY is a table for managing historical statistics at the table, index, and partition levels. It stores historical statistics about tables, indexes, and partitions in a database.

**Table 1** GS_TABLESTATS_HISTORY columns
Name	Type	Description
relid	oid	Unique identifier of a table, index, or partition in pg_class/pg_partition.
relname	name	Name of a table, index, or partition.
relnamespace	oid	OID of the namespace that contains this object.
relkind	"char"	Object type. r: ordinary table. I: table-level index. i: partitioned index. p: level-1 partition. s: level-2 partition.
reltimestamp	timestamp with time zone	Time when the statistics are collected.
relpages	double precision	Size of the table on disk in pages. This is only an estimate used by the optimizer.
reltuples	double precision	Number of rows in the table. This is only an estimate used by the optimizer.
relallvisible	integer	Number of pages marked as all visible in the table.