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wal_buffers_full tracks the number of times WAL buffers become full, giving hints to be able to tune the GUC wal_buffers. Up to now, this information was only available in pg_stat_wal. With this field available in WalUsage sinceeaf502747b, exposing it in pg_stat_statements is straight-forward, and it offers more granularity at query level. pg_stat_statements does not need a version bump as one has been done in commitcf54a2c002for this development cycle. Author: Bertrand Drouvot Reviewed-by: Ilia Evdokimov Discussion: https://postgr.es/m/Z6SOha5YFFgvpwQY@ip-10-97-1-34.eu-west-3.compute.internal
77 lines
2.4 KiB
SQL
77 lines
2.4 KiB
SQL
/* contrib/pg_stat_statements/pg_stat_statements--1.11--1.12.sql */
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-- complain if script is sourced in psql, rather than via ALTER EXTENSION
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\echo Use "ALTER EXTENSION pg_stat_statements UPDATE TO '1.12'" to load this file. \quit
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/* First we have to remove them from the extension */
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ALTER EXTENSION pg_stat_statements DROP VIEW pg_stat_statements;
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ALTER EXTENSION pg_stat_statements DROP FUNCTION pg_stat_statements(boolean);
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/* Then we can drop them */
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DROP VIEW pg_stat_statements;
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DROP FUNCTION pg_stat_statements(boolean);
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/* Now redefine */
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CREATE FUNCTION pg_stat_statements(IN showtext boolean,
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OUT userid oid,
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OUT dbid oid,
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OUT toplevel bool,
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OUT queryid bigint,
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OUT query text,
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OUT plans int8,
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OUT total_plan_time float8,
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OUT min_plan_time float8,
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OUT max_plan_time float8,
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OUT mean_plan_time float8,
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OUT stddev_plan_time float8,
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OUT calls int8,
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OUT total_exec_time float8,
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OUT min_exec_time float8,
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OUT max_exec_time float8,
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OUT mean_exec_time float8,
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OUT stddev_exec_time float8,
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OUT rows int8,
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OUT shared_blks_hit int8,
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OUT shared_blks_read int8,
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OUT shared_blks_dirtied int8,
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OUT shared_blks_written int8,
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OUT local_blks_hit int8,
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OUT local_blks_read int8,
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OUT local_blks_dirtied int8,
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OUT local_blks_written int8,
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OUT temp_blks_read int8,
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OUT temp_blks_written int8,
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OUT shared_blk_read_time float8,
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OUT shared_blk_write_time float8,
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OUT local_blk_read_time float8,
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OUT local_blk_write_time float8,
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OUT temp_blk_read_time float8,
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OUT temp_blk_write_time float8,
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OUT wal_records int8,
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OUT wal_fpi int8,
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OUT wal_bytes numeric,
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OUT wal_buffers_full int8,
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OUT jit_functions int8,
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OUT jit_generation_time float8,
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OUT jit_inlining_count int8,
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OUT jit_inlining_time float8,
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OUT jit_optimization_count int8,
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OUT jit_optimization_time float8,
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OUT jit_emission_count int8,
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OUT jit_emission_time float8,
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OUT jit_deform_count int8,
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OUT jit_deform_time float8,
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OUT parallel_workers_to_launch int8,
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OUT parallel_workers_launched int8,
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OUT stats_since timestamp with time zone,
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OUT minmax_stats_since timestamp with time zone
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)
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RETURNS SETOF record
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AS 'MODULE_PATHNAME', 'pg_stat_statements_1_12'
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LANGUAGE C STRICT VOLATILE PARALLEL SAFE;
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CREATE VIEW pg_stat_statements AS
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SELECT * FROM pg_stat_statements(true);
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GRANT SELECT ON pg_stat_statements TO PUBLIC;
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