PG_STAT_USER_INDEXES

PG_STAT_USER_INDEXES displays information about the index status of user-defined ordinary tables and TOAST tables.

Table 1 PG_STAT_USER_INDEXES columns

Name	Type	Description
relid	oid	OID of the table for this index
indexrelid	oid	OID of the index
schemaname	name	Name of the schema that the index is in
relname	name	Name of the table for the index
indexrelname	name	Index name
idx_scan	bigint	Number of index scans initiated on the index
last_idx_scan	timestamptz	The time of the last scan on this index, based on the most recent transaction stop time
idx_tup_read	bigint	Number of index entries returned by scans on the index
idx_tup_fetch	bigint	Number of live table rows fetched by simple index scans using the index