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5147ab1dd3
This commit adds to pg_stat_statements the two new fields for local buffers introduced by295c36c0c1, adding the time spent to read and write these blocks. These are similar to what is done for temp and shared blocks. This information available only if track_io_timing is enabled. Like for5a3423ad8e, no version bump is required in the module. Author: Nazir Bilal Yavuz Reviewed-by: Robert Haas, Melanie Plageman Discussion: https://postgr.es/m/CAN55FZ19Ss279mZuqGbuUNxka0iPbLgYuOQXqAKewrjNrp27VA@mail.gmail.com
314 lines
18 KiB
Plaintext
314 lines
18 KiB
Plaintext
-- test old extension version entry points
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CREATE EXTENSION pg_stat_statements WITH VERSION '1.4';
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-- Execution of pg_stat_statements_reset() is granted only to
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-- superusers in 1.4, so this fails.
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SET SESSION AUTHORIZATION pg_read_all_stats;
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SELECT pg_stat_statements_reset();
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ERROR: permission denied for function pg_stat_statements_reset
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RESET SESSION AUTHORIZATION;
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AlTER EXTENSION pg_stat_statements UPDATE TO '1.5';
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-- Execution of pg_stat_statements_reset() should be granted to
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-- pg_read_all_stats now, so this works.
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SET SESSION AUTHORIZATION pg_read_all_stats;
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SELECT pg_stat_statements_reset();
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pg_stat_statements_reset
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--------------------------
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(1 row)
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RESET SESSION AUTHORIZATION;
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-- In 1.6, it got restricted back to superusers.
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AlTER EXTENSION pg_stat_statements UPDATE TO '1.6';
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SET SESSION AUTHORIZATION pg_read_all_stats;
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SELECT pg_stat_statements_reset();
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ERROR: permission denied for function pg_stat_statements_reset
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RESET SESSION AUTHORIZATION;
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SELECT pg_get_functiondef('pg_stat_statements_reset'::regproc);
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pg_get_functiondef
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-------------------------------------------------------------------------------
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CREATE OR REPLACE FUNCTION public.pg_stat_statements_reset() +
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RETURNS void +
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LANGUAGE c +
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PARALLEL SAFE +
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AS '$libdir/pg_stat_statements', $function$pg_stat_statements_reset$function$+
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(1 row)
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-- New function for pg_stat_statements_reset introduced, still
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-- restricted for non-superusers.
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AlTER EXTENSION pg_stat_statements UPDATE TO '1.7';
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SET SESSION AUTHORIZATION pg_read_all_stats;
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SELECT pg_stat_statements_reset();
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ERROR: permission denied for function pg_stat_statements_reset
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RESET SESSION AUTHORIZATION;
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SELECT pg_get_functiondef('pg_stat_statements_reset'::regproc);
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pg_get_functiondef
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--------------------------------------------------------------------------------------------------------------------------------
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CREATE OR REPLACE FUNCTION public.pg_stat_statements_reset(userid oid DEFAULT 0, dbid oid DEFAULT 0, queryid bigint DEFAULT 0)+
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RETURNS void +
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LANGUAGE c +
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PARALLEL SAFE STRICT +
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AS '$libdir/pg_stat_statements', $function$pg_stat_statements_reset_1_7$function$ +
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(1 row)
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\d pg_stat_statements
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View "public.pg_stat_statements"
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Column | Type | Collation | Nullable | Default
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---------------------+------------------+-----------+----------+---------
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userid | oid | | |
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dbid | oid | | |
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queryid | bigint | | |
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query | text | | |
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calls | bigint | | |
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total_time | double precision | | |
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min_time | double precision | | |
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max_time | double precision | | |
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mean_time | double precision | | |
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stddev_time | double precision | | |
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rows | bigint | | |
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shared_blks_hit | bigint | | |
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shared_blks_read | bigint | | |
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shared_blks_dirtied | bigint | | |
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shared_blks_written | bigint | | |
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local_blks_hit | bigint | | |
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local_blks_read | bigint | | |
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local_blks_dirtied | bigint | | |
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local_blks_written | bigint | | |
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temp_blks_read | bigint | | |
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temp_blks_written | bigint | | |
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blk_read_time | double precision | | |
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blk_write_time | double precision | | |
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SELECT count(*) > 0 AS has_data FROM pg_stat_statements;
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has_data
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----------
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t
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(1 row)
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-- New functions and views for pg_stat_statements in 1.8
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AlTER EXTENSION pg_stat_statements UPDATE TO '1.8';
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\d pg_stat_statements
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View "public.pg_stat_statements"
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Column | Type | Collation | Nullable | Default
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---------------------+------------------+-----------+----------+---------
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userid | oid | | |
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dbid | oid | | |
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queryid | bigint | | |
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query | text | | |
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plans | bigint | | |
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total_plan_time | double precision | | |
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min_plan_time | double precision | | |
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max_plan_time | double precision | | |
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mean_plan_time | double precision | | |
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stddev_plan_time | double precision | | |
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calls | bigint | | |
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total_exec_time | double precision | | |
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min_exec_time | double precision | | |
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max_exec_time | double precision | | |
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mean_exec_time | double precision | | |
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stddev_exec_time | double precision | | |
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rows | bigint | | |
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shared_blks_hit | bigint | | |
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shared_blks_read | bigint | | |
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shared_blks_dirtied | bigint | | |
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shared_blks_written | bigint | | |
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local_blks_hit | bigint | | |
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local_blks_read | bigint | | |
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local_blks_dirtied | bigint | | |
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local_blks_written | bigint | | |
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temp_blks_read | bigint | | |
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temp_blks_written | bigint | | |
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blk_read_time | double precision | | |
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blk_write_time | double precision | | |
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wal_records | bigint | | |
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wal_fpi | bigint | | |
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wal_bytes | numeric | | |
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SELECT pg_get_functiondef('pg_stat_statements_reset'::regproc);
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pg_get_functiondef
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--------------------------------------------------------------------------------------------------------------------------------
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CREATE OR REPLACE FUNCTION public.pg_stat_statements_reset(userid oid DEFAULT 0, dbid oid DEFAULT 0, queryid bigint DEFAULT 0)+
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RETURNS void +
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LANGUAGE c +
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PARALLEL SAFE STRICT +
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AS '$libdir/pg_stat_statements', $function$pg_stat_statements_reset_1_7$function$ +
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(1 row)
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-- New function pg_stat_statement_info, and new function
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-- and view for pg_stat_statements introduced in 1.9
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AlTER EXTENSION pg_stat_statements UPDATE TO '1.9';
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SELECT pg_get_functiondef('pg_stat_statements_info'::regproc);
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pg_get_functiondef
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-------------------------------------------------------------------------------------------------------------------------
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CREATE OR REPLACE FUNCTION public.pg_stat_statements_info(OUT dealloc bigint, OUT stats_reset timestamp with time zone)+
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RETURNS record +
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LANGUAGE c +
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PARALLEL SAFE STRICT +
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AS '$libdir/pg_stat_statements', $function$pg_stat_statements_info$function$ +
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(1 row)
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\d pg_stat_statements
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View "public.pg_stat_statements"
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Column | Type | Collation | Nullable | Default
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---------------------+------------------+-----------+----------+---------
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userid | oid | | |
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dbid | oid | | |
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toplevel | boolean | | |
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queryid | bigint | | |
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query | text | | |
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plans | bigint | | |
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total_plan_time | double precision | | |
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min_plan_time | double precision | | |
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max_plan_time | double precision | | |
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mean_plan_time | double precision | | |
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stddev_plan_time | double precision | | |
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calls | bigint | | |
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total_exec_time | double precision | | |
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min_exec_time | double precision | | |
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max_exec_time | double precision | | |
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mean_exec_time | double precision | | |
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stddev_exec_time | double precision | | |
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rows | bigint | | |
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shared_blks_hit | bigint | | |
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shared_blks_read | bigint | | |
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shared_blks_dirtied | bigint | | |
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shared_blks_written | bigint | | |
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local_blks_hit | bigint | | |
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local_blks_read | bigint | | |
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local_blks_dirtied | bigint | | |
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local_blks_written | bigint | | |
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temp_blks_read | bigint | | |
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temp_blks_written | bigint | | |
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blk_read_time | double precision | | |
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blk_write_time | double precision | | |
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wal_records | bigint | | |
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wal_fpi | bigint | | |
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wal_bytes | numeric | | |
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SELECT count(*) > 0 AS has_data FROM pg_stat_statements;
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has_data
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----------
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t
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(1 row)
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-- New functions and views for pg_stat_statements in 1.10
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AlTER EXTENSION pg_stat_statements UPDATE TO '1.10';
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\d pg_stat_statements
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View "public.pg_stat_statements"
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Column | Type | Collation | Nullable | Default
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------------------------+------------------+-----------+----------+---------
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userid | oid | | |
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dbid | oid | | |
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toplevel | boolean | | |
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queryid | bigint | | |
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query | text | | |
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plans | bigint | | |
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total_plan_time | double precision | | |
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min_plan_time | double precision | | |
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max_plan_time | double precision | | |
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mean_plan_time | double precision | | |
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stddev_plan_time | double precision | | |
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calls | bigint | | |
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total_exec_time | double precision | | |
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min_exec_time | double precision | | |
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max_exec_time | double precision | | |
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mean_exec_time | double precision | | |
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stddev_exec_time | double precision | | |
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rows | bigint | | |
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shared_blks_hit | bigint | | |
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shared_blks_read | bigint | | |
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shared_blks_dirtied | bigint | | |
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shared_blks_written | bigint | | |
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local_blks_hit | bigint | | |
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local_blks_read | bigint | | |
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local_blks_dirtied | bigint | | |
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local_blks_written | bigint | | |
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temp_blks_read | bigint | | |
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temp_blks_written | bigint | | |
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blk_read_time | double precision | | |
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blk_write_time | double precision | | |
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temp_blk_read_time | double precision | | |
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temp_blk_write_time | double precision | | |
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wal_records | bigint | | |
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wal_fpi | bigint | | |
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wal_bytes | numeric | | |
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jit_functions | bigint | | |
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jit_generation_time | double precision | | |
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jit_inlining_count | bigint | | |
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jit_inlining_time | double precision | | |
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jit_optimization_count | bigint | | |
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jit_optimization_time | double precision | | |
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jit_emission_count | bigint | | |
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jit_emission_time | double precision | | |
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SELECT count(*) > 0 AS has_data FROM pg_stat_statements;
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has_data
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----------
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t
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(1 row)
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-- New views for pg_stat_statements in 1.11
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AlTER EXTENSION pg_stat_statements UPDATE TO '1.11';
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\d pg_stat_statements
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View "public.pg_stat_statements"
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Column | Type | Collation | Nullable | Default
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------------------------+------------------+-----------+----------+---------
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userid | oid | | |
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dbid | oid | | |
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toplevel | boolean | | |
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queryid | bigint | | |
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query | text | | |
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plans | bigint | | |
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total_plan_time | double precision | | |
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min_plan_time | double precision | | |
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max_plan_time | double precision | | |
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mean_plan_time | double precision | | |
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stddev_plan_time | double precision | | |
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calls | bigint | | |
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total_exec_time | double precision | | |
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min_exec_time | double precision | | |
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max_exec_time | double precision | | |
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mean_exec_time | double precision | | |
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stddev_exec_time | double precision | | |
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rows | bigint | | |
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shared_blks_hit | bigint | | |
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shared_blks_read | bigint | | |
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shared_blks_dirtied | bigint | | |
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shared_blks_written | bigint | | |
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local_blks_hit | bigint | | |
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local_blks_read | bigint | | |
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local_blks_dirtied | bigint | | |
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local_blks_written | bigint | | |
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temp_blks_read | bigint | | |
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temp_blks_written | bigint | | |
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shared_blk_read_time | double precision | | |
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shared_blk_write_time | double precision | | |
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local_blk_read_time | double precision | | |
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local_blk_write_time | double precision | | |
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temp_blk_read_time | double precision | | |
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temp_blk_write_time | double precision | | |
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wal_records | bigint | | |
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wal_fpi | bigint | | |
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wal_bytes | numeric | | |
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jit_functions | bigint | | |
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jit_generation_time | double precision | | |
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jit_inlining_count | bigint | | |
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jit_inlining_time | double precision | | |
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jit_optimization_count | bigint | | |
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jit_optimization_time | double precision | | |
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jit_emission_count | bigint | | |
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jit_emission_time | double precision | | |
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jit_deform_count | bigint | | |
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jit_deform_time | double precision | | |
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SELECT count(*) > 0 AS has_data FROM pg_stat_statements;
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has_data
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----------
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t
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(1 row)
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DROP EXTENSION pg_stat_statements;
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