Contents
pg_control_init()
A system function exposing a subset of pg_control data about the cluster initialization state
pg_control_init() is a system function exposing a subset of pg_control data about the cluster initialization state.
pg_control_init() was added in PostgreSQL 9.6 (commit dc7d70ea).
Examples
postgres=# SELECT * FROM pg_control_init(); -[ RECORD 1 ]--------------+--------- max_data_alignment | 8 database_block_size | 8192 blocks_per_segment | 131072 wal_block_size | 8192 bytes_per_wal_segment | 16777216 max_identifier_length | 64 max_index_columns | 32 max_toast_chunk_size | 1996 large_object_chunk_size | 2048 float4_pass_by_value | t float8_pass_by_value | t data_page_checksum_version | 1
References
- PostgreSQL documentation: pg_control_init()