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Provides similar functionality to pg_waldump, but from a SQL interface rather than a separate utility. Author: Bharath Rupireddy Reviewed-by: Greg Stark, Kyotaro Horiguchi, Andres Freund, Ashutosh Sharma, Nitin Jadhav, RKN Sai Krishna Discussion: https://postgr.es/m/CALj2ACUGUYXsEQdKhEdsBzhGEyF3xggvLdD8C0VT72TNEfOiog%40mail.gmail.com
119 lines
3.6 KiB
SQL
119 lines
3.6 KiB
SQL
/* contrib/pg_walinspect/pg_walinspect--1.0.sql */
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-- complain if script is sourced in psql, rather than via CREATE EXTENSION
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\echo Use "CREATE EXTENSION pg_walinspect" to load this file. \quit
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--
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-- pg_get_wal_record_info()
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--
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CREATE FUNCTION pg_get_wal_record_info(IN in_lsn pg_lsn,
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OUT start_lsn pg_lsn,
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OUT end_lsn pg_lsn,
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OUT prev_lsn pg_lsn,
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OUT xid xid,
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OUT resource_manager text,
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OUT record_type text,
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OUT record_length int4,
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OUT main_data_length int4,
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OUT fpi_length int4,
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OUT description text,
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OUT block_ref text
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)
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AS 'MODULE_PATHNAME', 'pg_get_wal_record_info'
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LANGUAGE C STRICT PARALLEL SAFE;
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REVOKE EXECUTE ON FUNCTION pg_get_wal_record_info(pg_lsn) FROM PUBLIC;
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GRANT EXECUTE ON FUNCTION pg_get_wal_record_info(pg_lsn) TO pg_read_server_files;
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--
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-- pg_get_wal_records_info()
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--
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CREATE FUNCTION pg_get_wal_records_info(IN start_lsn pg_lsn,
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IN end_lsn pg_lsn,
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OUT start_lsn pg_lsn,
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OUT end_lsn pg_lsn,
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OUT prev_lsn pg_lsn,
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OUT xid xid,
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OUT resource_manager text,
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OUT record_type text,
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OUT record_length int4,
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OUT main_data_length int4,
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OUT fpi_length int4,
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OUT description text,
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OUT block_ref text
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)
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RETURNS SETOF record
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AS 'MODULE_PATHNAME', 'pg_get_wal_records_info'
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LANGUAGE C STRICT PARALLEL SAFE;
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REVOKE EXECUTE ON FUNCTION pg_get_wal_records_info(pg_lsn, pg_lsn) FROM PUBLIC;
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GRANT EXECUTE ON FUNCTION pg_get_wal_records_info(pg_lsn, pg_lsn) TO pg_read_server_files;
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--
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-- pg_get_wal_records_info_till_end_of_wal()
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--
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CREATE FUNCTION pg_get_wal_records_info_till_end_of_wal(IN start_lsn pg_lsn,
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OUT start_lsn pg_lsn,
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OUT end_lsn pg_lsn,
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OUT prev_lsn pg_lsn,
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OUT xid xid,
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OUT resource_manager text,
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OUT record_type text,
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OUT record_length int4,
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OUT main_data_length int4,
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OUT fpi_length int4,
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OUT description text,
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OUT block_ref text
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)
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RETURNS SETOF record
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AS 'MODULE_PATHNAME', 'pg_get_wal_records_info_till_end_of_wal'
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LANGUAGE C STRICT PARALLEL SAFE;
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REVOKE EXECUTE ON FUNCTION pg_get_wal_records_info_till_end_of_wal(pg_lsn) FROM PUBLIC;
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GRANT EXECUTE ON FUNCTION pg_get_wal_records_info_till_end_of_wal(pg_lsn) TO pg_read_server_files;
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--
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-- pg_get_wal_stats()
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--
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CREATE FUNCTION pg_get_wal_stats(IN start_lsn pg_lsn,
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IN end_lsn pg_lsn,
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IN per_record boolean DEFAULT false,
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OUT "resource_manager/record_type" text,
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OUT count int8,
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OUT count_percentage float4,
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OUT record_size int8,
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OUT record_size_percentage float4,
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OUT fpi_size int8,
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OUT fpi_size_percentage float4,
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OUT combined_size int8,
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OUT combined_size_percentage float4
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)
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RETURNS SETOF record
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AS 'MODULE_PATHNAME', 'pg_get_wal_stats'
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LANGUAGE C STRICT PARALLEL SAFE;
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REVOKE EXECUTE ON FUNCTION pg_get_wal_stats(pg_lsn, pg_lsn, boolean) FROM PUBLIC;
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GRANT EXECUTE ON FUNCTION pg_get_wal_stats(pg_lsn, pg_lsn, boolean) TO pg_read_server_files;
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--
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-- pg_get_wal_stats_till_end_of_wal()
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--
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CREATE FUNCTION pg_get_wal_stats_till_end_of_wal(IN start_lsn pg_lsn,
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IN per_record boolean DEFAULT false,
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OUT "resource_manager/record_type" text,
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OUT count int8,
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OUT count_percentage float4,
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OUT record_size int8,
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OUT record_size_percentage float4,
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OUT fpi_size int8,
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OUT fpi_size_percentage float4,
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OUT combined_size int8,
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OUT combined_size_percentage float4
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)
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RETURNS SETOF record
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AS 'MODULE_PATHNAME', 'pg_get_wal_stats_till_end_of_wal'
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LANGUAGE C STRICT PARALLEL SAFE;
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REVOKE EXECUTE ON FUNCTION pg_get_wal_stats_till_end_of_wal(pg_lsn, boolean) FROM PUBLIC;
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GRANT EXECUTE ON FUNCTION pg_get_wal_stats_till_end_of_wal(pg_lsn, boolean) TO pg_read_server_files;
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