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6ab1dbd26b
This is preliminary patch. It adds NOT NULL checking for the result of pg_stat_statements_reset() function. It is needed for upcoming patch "Track statement entry timestamp" that will change the result type of this function to the timestamp of a reset performed. Discussion: https://postgr.es/m/flat/72e80e7b160a6eb189df9ef6f068cce3765d37f8.camel%40moonset.ru Author: Andrei Zubkov Reviewed-by: Julien Rouhaud, Hayato Kuroda, Yuki Seino, Chengxi Sun Reviewed-by: Anton Melnikov, Darren Rush, Michael Paquier, Sergei Kornilov Reviewed-by: Alena Rybakina, Andrei Lepikhov
332 lines
11 KiB
PL/PgSQL
332 lines
11 KiB
PL/PgSQL
--
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-- Utility commands
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--
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-- These tests require track_utility to be enabled.
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SET pg_stat_statements.track_utility = TRUE;
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SELECT pg_stat_statements_reset() IS NOT NULL AS t;
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-- Tables, indexes, triggers
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CREATE TEMP TABLE tab_stats (a int, b char(20));
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CREATE INDEX index_stats ON tab_stats(b, (b || 'data1'), (b || 'data2')) WHERE a > 0;
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ALTER TABLE tab_stats ALTER COLUMN b set default 'a';
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ALTER TABLE tab_stats ALTER COLUMN b TYPE text USING 'data' || b;
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ALTER TABLE tab_stats ADD CONSTRAINT a_nonzero CHECK (a <> 0);
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DROP TABLE tab_stats \;
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DROP TABLE IF EXISTS tab_stats \;
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-- This DROP query uses two different strings, still they count as one entry.
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DROP TABLE IF EXISTS tab_stats \;
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Drop Table If Exists tab_stats \;
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SELECT calls, rows, query FROM pg_stat_statements ORDER BY query COLLATE "C";
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SELECT pg_stat_statements_reset() IS NOT NULL AS t;
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-- Partitions
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CREATE TABLE pt_stats (a int, b int) PARTITION BY range (a);
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CREATE TABLE pt_stats1 (a int, b int);
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ALTER TABLE pt_stats ATTACH PARTITION pt_stats1 FOR VALUES FROM (0) TO (100);
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CREATE TABLE pt_stats2 PARTITION OF pt_stats FOR VALUES FROM (100) TO (200);
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CREATE INDEX pt_stats_index ON ONLY pt_stats (a);
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CREATE INDEX pt_stats2_index ON ONLY pt_stats2 (a);
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ALTER INDEX pt_stats_index ATTACH PARTITION pt_stats2_index;
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DROP TABLE pt_stats;
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-- Views
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CREATE VIEW view_stats AS SELECT 1::int AS a, 2::int AS b;
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ALTER VIEW view_stats ALTER COLUMN a SET DEFAULT 2;
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DROP VIEW view_stats;
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-- Foreign tables
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CREATE FOREIGN DATA WRAPPER wrapper_stats;
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CREATE SERVER server_stats FOREIGN DATA WRAPPER wrapper_stats;
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CREATE FOREIGN TABLE foreign_stats (a int) SERVER server_stats;
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ALTER FOREIGN TABLE foreign_stats ADD COLUMN b integer DEFAULT 1;
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ALTER FOREIGN TABLE foreign_stats ADD CONSTRAINT b_nonzero CHECK (b <> 0);
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DROP FOREIGN TABLE foreign_stats;
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DROP SERVER server_stats;
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DROP FOREIGN DATA WRAPPER wrapper_stats;
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-- Functions
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CREATE FUNCTION func_stats(a text DEFAULT 'a_data', b text DEFAULT lower('b_data'))
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RETURNS text AS $$ SELECT $1::text || '_' || $2::text; $$ LANGUAGE SQL;
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DROP FUNCTION func_stats;
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-- Rules
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CREATE TABLE tab_rule_stats (a int, b int);
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CREATE TABLE tab_rule_stats_2 (a int, b int, c int, d int);
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CREATE RULE rules_stats AS ON INSERT TO tab_rule_stats DO INSTEAD
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INSERT INTO tab_rule_stats_2 VALUES(new.*, 1, 2);
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DROP RULE rules_stats ON tab_rule_stats;
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DROP TABLE tab_rule_stats, tab_rule_stats_2;
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-- Types
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CREATE TYPE stats_type as (f1 numeric(35, 6), f2 numeric(35, 2));
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DROP TYPE stats_type;
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-- Triggers
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CREATE TABLE trigger_tab_stats (a int, b int);
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CREATE FUNCTION trigger_func_stats () RETURNS trigger LANGUAGE plpgsql
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AS $$ BEGIN return OLD; end; $$;
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CREATE TRIGGER trigger_tab_stats
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AFTER UPDATE ON trigger_tab_stats
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FOR EACH ROW WHEN (OLD.a < 0 AND OLD.b < 1 AND true)
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EXECUTE FUNCTION trigger_func_stats();
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DROP TABLE trigger_tab_stats;
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-- Policies
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CREATE TABLE tab_policy_stats (a int, b int);
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CREATE POLICY policy_stats ON tab_policy_stats USING (a = 5) WITH CHECK (b < 5);
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DROP TABLE tab_policy_stats;
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-- Statistics
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CREATE TABLE tab_expr_stats (a int, b int);
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CREATE STATISTICS tab_expr_stats_1 (mcv) ON a, (2*a), (3*b) FROM tab_expr_stats;
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DROP TABLE tab_expr_stats;
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SELECT calls, rows, query FROM pg_stat_statements ORDER BY query COLLATE "C";
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SELECT pg_stat_statements_reset() IS NOT NULL AS t;
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-- Transaction statements
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BEGIN;
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ABORT;
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BEGIN;
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ROLLBACK;
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-- WORK
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BEGIN WORK;
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COMMIT WORK;
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BEGIN WORK;
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ABORT WORK;
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-- TRANSACTION
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BEGIN TRANSACTION;
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COMMIT TRANSACTION;
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BEGIN TRANSACTION;
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ABORT TRANSACTION;
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-- More isolation levels
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BEGIN TRANSACTION DEFERRABLE;
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COMMIT TRANSACTION AND NO CHAIN;
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BEGIN ISOLATION LEVEL SERIALIZABLE;
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COMMIT;
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BEGIN TRANSACTION ISOLATION LEVEL SERIALIZABLE;
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COMMIT;
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-- List of A_Const nodes, same lists.
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BEGIN TRANSACTION READ ONLY, READ WRITE, DEFERRABLE, NOT DEFERRABLE;
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COMMIT;
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BEGIN TRANSACTION NOT DEFERRABLE, READ ONLY, READ WRITE, DEFERRABLE;
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COMMIT;
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SELECT calls, rows, query FROM pg_stat_statements ORDER BY query COLLATE "C";
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SELECT pg_stat_statements_reset() IS NOT NULL AS t;
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-- Two-phase transactions
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BEGIN;
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PREPARE TRANSACTION 'stat_trans1';
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COMMIT PREPARED 'stat_trans1';
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BEGIN;
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PREPARE TRANSACTION 'stat_trans2';
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ROLLBACK PREPARED 'stat_trans2';
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SELECT calls, rows, query FROM pg_stat_statements ORDER BY query COLLATE "C";
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SELECT pg_stat_statements_reset() IS NOT NULL AS t;
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-- Savepoints
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BEGIN;
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SAVEPOINT sp1;
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SAVEPOINT sp2;
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SAVEPOINT sp3;
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SAVEPOINT sp4;
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ROLLBACK TO sp4;
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ROLLBACK TO SAVEPOINT sp4;
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ROLLBACK TRANSACTION TO SAVEPOINT sp3;
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RELEASE sp3;
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RELEASE SAVEPOINT sp2;
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ROLLBACK TO sp1;
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RELEASE SAVEPOINT sp1;
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COMMIT;
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SELECT calls, rows, query FROM pg_stat_statements ORDER BY query COLLATE "C";
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SELECT pg_stat_statements_reset() IS NOT NULL AS t;
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-- EXPLAIN statements
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-- A Query is used, normalized by the query jumbling.
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EXPLAIN (costs off) SELECT 1;
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EXPLAIN (costs off) SELECT 2;
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EXPLAIN (costs off) SELECT a FROM generate_series(1,10) AS tab(a) WHERE a = 3;
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EXPLAIN (costs off) SELECT a FROM generate_series(1,10) AS tab(a) WHERE a = 7;
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SELECT calls, rows, query FROM pg_stat_statements ORDER BY query COLLATE "C";
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-- CALL
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CREATE OR REPLACE PROCEDURE sum_one(i int) AS $$
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DECLARE
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r int;
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BEGIN
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SELECT (i + i)::int INTO r;
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END; $$ LANGUAGE plpgsql;
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CREATE OR REPLACE PROCEDURE sum_two(i int, j int) AS $$
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DECLARE
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r int;
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BEGIN
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SELECT (i + j)::int INTO r;
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END; $$ LANGUAGE plpgsql;
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-- Overloaded functions.
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CREATE OR REPLACE PROCEDURE overload(i int) AS $$
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DECLARE
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r int;
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BEGIN
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SELECT (i + i)::int INTO r;
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END; $$ LANGUAGE plpgsql;
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CREATE OR REPLACE PROCEDURE overload(i text) AS $$
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DECLARE
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r text;
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BEGIN
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SELECT i::text INTO r;
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END; $$ LANGUAGE plpgsql;
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-- Mix of IN/OUT parameters.
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CREATE OR REPLACE PROCEDURE in_out(i int, i2 OUT int, i3 INOUT int) AS $$
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DECLARE
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r int;
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BEGIN
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i2 := i;
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i3 := i3 + i;
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END; $$ LANGUAGE plpgsql;
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SELECT pg_stat_statements_reset() IS NOT NULL AS t;
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CALL sum_one(3);
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CALL sum_one(199);
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CALL sum_two(1,1);
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CALL sum_two(1,2);
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CALL overload(1);
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CALL overload('A');
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CALL in_out(1, NULL, 1);
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CALL in_out(2, 1, 2);
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SELECT calls, rows, query FROM pg_stat_statements ORDER BY query COLLATE "C";
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-- COPY
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CREATE TABLE copy_stats (a int, b int);
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SELECT pg_stat_statements_reset() IS NOT NULL AS t;
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-- Some queries with A_Const nodes.
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COPY (SELECT 1) TO STDOUT;
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COPY (SELECT 2) TO STDOUT;
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COPY (INSERT INTO copy_stats VALUES (1, 1) RETURNING *) TO STDOUT;
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COPY (INSERT INTO copy_stats VALUES (2, 2) RETURNING *) TO STDOUT;
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COPY (UPDATE copy_stats SET b = b + 1 RETURNING *) TO STDOUT;
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COPY (UPDATE copy_stats SET b = b + 2 RETURNING *) TO STDOUT;
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COPY (DELETE FROM copy_stats WHERE a = 1 RETURNING *) TO STDOUT;
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SELECT calls, rows, query FROM pg_stat_statements ORDER BY query COLLATE "C";
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DROP TABLE copy_stats;
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SELECT pg_stat_statements_reset() IS NOT NULL AS t;
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-- CREATE TABLE AS
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-- SELECT queries are normalized, creating matching query IDs.
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CREATE TABLE ctas_stats_1 AS SELECT 1 AS a;
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DROP TABLE ctas_stats_1;
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CREATE TABLE ctas_stats_1 AS SELECT 2 AS a;
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DROP TABLE ctas_stats_1;
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CREATE TABLE ctas_stats_2 AS
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SELECT a AS col1, 2::int AS col2
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FROM generate_series(1, 10) AS tab(a) WHERE a < 5 AND a > 2;
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DROP TABLE ctas_stats_2;
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CREATE TABLE ctas_stats_2 AS
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SELECT a AS col1, 4::int AS col2
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FROM generate_series(1, 5) AS tab(a) WHERE a < 4 AND a > 1;
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DROP TABLE ctas_stats_2;
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SELECT calls, rows, query FROM pg_stat_statements ORDER BY query COLLATE "C";
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SELECT pg_stat_statements_reset() IS NOT NULL AS t;
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-- CREATE MATERIALIZED VIEW
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-- SELECT queries are normalized, creating matching query IDs.
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CREATE MATERIALIZED VIEW matview_stats_1 AS
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SELECT a AS col1, 2::int AS col2
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FROM generate_series(1, 10) AS tab(a) WHERE a < 5 AND a > 2;
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DROP MATERIALIZED VIEW matview_stats_1;
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CREATE MATERIALIZED VIEW matview_stats_1 AS
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SELECT a AS col1, 4::int AS col2
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FROM generate_series(1, 5) AS tab(a) WHERE a < 4 AND a > 3;
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DROP MATERIALIZED VIEW matview_stats_1;
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SELECT calls, rows, query FROM pg_stat_statements ORDER BY query COLLATE "C";
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SELECT pg_stat_statements_reset() IS NOT NULL AS t;
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-- CREATE VIEW
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CREATE VIEW view_stats_1 AS
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SELECT a AS col1, 2::int AS col2
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FROM generate_series(1, 10) AS tab(a) WHERE a < 5 AND a > 2;
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DROP VIEW view_stats_1;
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CREATE VIEW view_stats_1 AS
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SELECT a AS col1, 4::int AS col2
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FROM generate_series(1, 5) AS tab(a) WHERE a < 4 AND a > 3;
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DROP VIEW view_stats_1;
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SELECT calls, rows, query FROM pg_stat_statements ORDER BY query COLLATE "C";
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SELECT pg_stat_statements_reset() IS NOT NULL AS t;
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-- Domains
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CREATE DOMAIN domain_stats AS int CHECK (VALUE > 0);
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ALTER DOMAIN domain_stats SET DEFAULT '3';
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ALTER DOMAIN domain_stats ADD CONSTRAINT higher_than_one CHECK (VALUE > 1);
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DROP DOMAIN domain_stats;
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SELECT calls, rows, query FROM pg_stat_statements ORDER BY query COLLATE "C";
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SELECT pg_stat_statements_reset() IS NOT NULL AS t;
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-- Execution statements
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SELECT 1 as a;
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PREPARE stat_select AS SELECT $1 AS a;
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EXECUTE stat_select (1);
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DEALLOCATE stat_select;
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PREPARE stat_select AS SELECT $1 AS a;
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EXECUTE stat_select (2);
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DEALLOCATE PREPARE stat_select;
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DEALLOCATE ALL;
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DEALLOCATE PREPARE ALL;
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SELECT calls, rows, query FROM pg_stat_statements ORDER BY query COLLATE "C";
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SELECT pg_stat_statements_reset() IS NOT NULL AS t;
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-- SET statements.
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-- These use two different strings, still they count as one entry.
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SET work_mem = '1MB';
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Set work_mem = '1MB';
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SET work_mem = '2MB';
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RESET work_mem;
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SET enable_seqscan = off;
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SET enable_seqscan = on;
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RESET enable_seqscan;
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-- SET TRANSACTION ISOLATION
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BEGIN;
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SET TRANSACTION ISOLATION LEVEL READ COMMITTED;
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SET TRANSACTION ISOLATION LEVEL REPEATABLE READ;
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SET TRANSACTION ISOLATION LEVEL SERIALIZABLE;
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COMMIT;
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-- SET SESSION CHARACTERISTICS
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SET SESSION SESSION AUTHORIZATION DEFAULT;
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RESET SESSION AUTHORIZATION;
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BEGIN;
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SET LOCAL SESSION AUTHORIZATION DEFAULT;
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RESET SESSION AUTHORIZATION;
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COMMIT;
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SELECT calls, rows, query FROM pg_stat_statements ORDER BY query COLLATE "C";
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SELECT pg_stat_statements_reset() IS NOT NULL AS t;
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--
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-- Track the total number of rows retrieved or affected by the utility
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-- commands of COPY, FETCH, CREATE TABLE AS, CREATE MATERIALIZED VIEW,
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-- REFRESH MATERIALIZED VIEW and SELECT INTO
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--
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CREATE TABLE pgss_ctas AS SELECT a, 'ctas' b FROM generate_series(1, 10) a;
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SELECT generate_series(1, 10) c INTO pgss_select_into;
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COPY pgss_ctas (a, b) FROM STDIN;
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11 copy
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12 copy
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13 copy
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\.
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CREATE MATERIALIZED VIEW pgss_matv AS SELECT * FROM pgss_ctas;
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REFRESH MATERIALIZED VIEW pgss_matv;
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BEGIN;
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DECLARE pgss_cursor CURSOR FOR SELECT * FROM pgss_matv;
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FETCH NEXT pgss_cursor;
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FETCH FORWARD 5 pgss_cursor;
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FETCH FORWARD ALL pgss_cursor;
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COMMIT;
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SELECT calls, rows, query FROM pg_stat_statements ORDER BY query COLLATE "C";
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DROP MATERIALIZED VIEW pgss_matv;
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DROP TABLE pgss_ctas;
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DROP TABLE pgss_select_into;
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SELECT pg_stat_statements_reset() IS NOT NULL AS t;
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