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src/test/regress/sql/brin.sql
536 строк
18 KB
Michael Paquier
Set query ID in parallel workers for vacuum, BRIN and btree
30 сен 2024, 02:43
30 сен 2024, 02:43
6fd5071
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CREATE TABLE brintest (byteacol bytea, charcol "char", namecol name, int8col bigint, int2col smallint, int4col integer, textcol text, oidcol oid, tidcol tid, float4col real, float8col double precision, macaddrcol macaddr, inetcol inet, cidrcol cidr, bpcharcol character, datecol date, timecol time without time zone, timestampcol timestamp without time zone, timestamptzcol timestamp with time zone, intervalcol interval, timetzcol time with time zone, bitcol bit(10), varbitcol bit varying(16), numericcol numeric, uuidcol uuid, int4rangecol int4range, lsncol pg_lsn, boxcol box ) WITH (fillfactor=10, autovacuum_enabled=off); INSERT INTO brintest SELECT repeat(stringu1, 8)::bytea, substr(stringu1, 1, 1)::"char", stringu1::name, 142857 * tenthous, thousand, twothousand, repeat(stringu1, 8), unique1::oid, format('(%s,%s)', tenthous, twenty)::tid, (four + 1.0)/(hundred+1), odd::float8 / (tenthous + 1), format('%s:00:%s:00:%s:00', to_hex(odd), to_hex(even), to_hex(hundred))::macaddr, inet '10.2.3.4/24' + tenthous, cidr '10.2.3/24' + tenthous, substr(stringu1, 1, 1)::bpchar, date '1995-08-15' + tenthous, time '01:20:30' + thousand * interval '18.5 second', timestamp '1942-07-23 03:05:09' + tenthous * interval '36.38 hours', timestamptz '1972-10-10 03:00' + thousand * interval '1 hour', justify_days(justify_hours(tenthous * interval '12 minutes')), timetz '01:30:20+02' + hundred * interval '15 seconds', thousand::bit(10), tenthous::bit(16)::varbit, tenthous::numeric(36,30) * fivethous * even / (hundred + 1), format('%s%s-%s-%s-%s-%s%s%s', to_char(tenthous, 'FM0000'), to_char(tenthous, 'FM0000'), to_char(tenthous, 'FM0000'), to_char(tenthous, 'FM0000'), to_char(tenthous, 'FM0000'), to_char(tenthous, 'FM0000'), to_char(tenthous, 'FM0000'), to_char(tenthous, 'FM0000'))::uuid, int4range(thousand, twothousand), format('%s/%s%s', odd, even, tenthous)::pg_lsn, box(point(odd, even), point(thousand, twothousand)) FROM tenk1 ORDER BY unique2 LIMIT 100; -- throw in some NULL's and different values INSERT INTO brintest (inetcol, cidrcol, int4rangecol) SELECT inet 'fe80::6e40:8ff:fea9:8c46' + tenthous, cidr 'fe80::6e40:8ff:fea9:8c46' + tenthous, 'empty'::int4range FROM tenk1 ORDER BY thousand, tenthous LIMIT 25; CREATE INDEX brinidx ON brintest USING brin ( byteacol, charcol, namecol, int8col, int2col, int4col, textcol, oidcol, tidcol, float4col, float8col, macaddrcol, inetcol inet_inclusion_ops, inetcol inet_minmax_ops, cidrcol inet_inclusion_ops, cidrcol inet_minmax_ops, bpcharcol, datecol, timecol, timestampcol, timestamptzcol, intervalcol, timetzcol, bitcol, varbitcol, numericcol, uuidcol, int4rangecol, lsncol, boxcol ) with (pages_per_range = 1); CREATE TABLE brinopers (colname name, typ text, op text[], value text[], matches int[], check (cardinality(op) = cardinality(value)), check (cardinality(op) = cardinality(matches))); INSERT INTO brinopers VALUES ('byteacol', 'bytea', '{>, >=, =, <=, <}', '{AAAAAA, AAAAAA, BNAAAABNAAAABNAAAABNAAAABNAAAABNAAAABNAAAABNAAAA, ZZZZZZ, ZZZZZZ}', '{100, 100, 1, 100, 100}'), ('charcol', '"char"', '{>, >=, =, <=, <}', '{A, A, M, Z, Z}', '{97, 100, 6, 100, 98}'), ('namecol', 'name', '{>, >=, =, <=, <}', '{AAAAAA, AAAAAA, MAAAAA, ZZAAAA, ZZAAAA}', '{100, 100, 2, 100, 100}'), ('int2col', 'int2', '{>, >=, =, <=, <}', '{0, 0, 800, 999, 999}', '{100, 100, 1, 100, 100}'), ('int2col', 'int4', '{>, >=, =, <=, <}', '{0, 0, 800, 999, 1999}', '{100, 100, 1, 100, 100}'), ('int2col', 'int8', '{>, >=, =, <=, <}', '{0, 0, 800, 999, 1428427143}', '{100, 100, 1, 100, 100}'), ('int4col', 'int2', '{>, >=, =, <=, <}', '{0, 0, 800, 1999, 1999}', '{100, 100, 1, 100, 100}'), ('int4col', 'int4', '{>, >=, =, <=, <}', '{0, 0, 800, 1999, 1999}', '{100, 100, 1, 100, 100}'), ('int4col', 'int8', '{>, >=, =, <=, <}', '{0, 0, 800, 1999, 1428427143}', '{100, 100, 1, 100, 100}'), ('int8col', 'int2', '{>, >=}', '{0, 0}', '{100, 100}'), ('int8col', 'int4', '{>, >=}', '{0, 0}', '{100, 100}'), ('int8col', 'int8', '{>, >=, =, <=, <}', '{0, 0, 1257141600, 1428427143, 1428427143}', '{100, 100, 1, 100, 100}'), ('textcol', 'text', '{>, >=, =, <=, <}', '{ABABAB, ABABAB, BNAAAABNAAAABNAAAABNAAAABNAAAABNAAAABNAAAABNAAAA, ZZAAAA, ZZAAAA}', '{100, 100, 1, 100, 100}'), ('oidcol', 'oid', '{>, >=, =, <=, <}', '{0, 0, 8800, 9999, 9999}', '{100, 100, 1, 100, 100}'), ('tidcol', 'tid', '{>, >=, =, <=, <}', '{"(0,0)", "(0,0)", "(8800,0)", "(9999,19)", "(9999,19)"}', '{100, 100, 1, 100, 100}'), ('float4col', 'float4', '{>, >=, =, <=, <}', '{0.0103093, 0.0103093, 1, 1, 1}', '{100, 100, 4, 100, 96}'), ('float4col', 'float8', '{>, >=, =, <=, <}', '{0.0103093, 0.0103093, 1, 1, 1}', '{100, 100, 4, 100, 96}'), ('float8col', 'float4', '{>, >=, =, <=, <}', '{0, 0, 0, 1.98, 1.98}', '{99, 100, 1, 100, 100}'), ('float8col', 'float8', '{>, >=, =, <=, <}', '{0, 0, 0, 1.98, 1.98}', '{99, 100, 1, 100, 100}'), ('macaddrcol', 'macaddr', '{>, >=, =, <=, <}', '{00:00:01:00:00:00, 00:00:01:00:00:00, 2c:00:2d:00:16:00, ff:fe:00:00:00:00, ff:fe:00:00:00:00}', '{99, 100, 2, 100, 100}'), ('inetcol', 'inet', '{&&, =, <, <=, >, >=, >>=, >>, <<=, <<}', '{10/8, 10.2.14.231/24, 255.255.255.255, 255.255.255.255, 0.0.0.0, 0.0.0.0, 10.2.14.231/24, 10.2.14.231/25, 10.2.14.231/8, 0/0}', '{100, 1, 100, 100, 125, 125, 2, 2, 100, 100}'), ('inetcol', 'inet', '{&&, >>=, <<=, =}', '{fe80::6e40:8ff:fea9:a673/32, fe80::6e40:8ff:fea9:8c46, fe80::6e40:8ff:fea9:a673/32, fe80::6e40:8ff:fea9:8c46}', '{25, 1, 25, 1}'), ('inetcol', 'cidr', '{&&, <, <=, >, >=, >>=, >>, <<=, <<}', '{10/8, 255.255.255.255, 255.255.255.255, 0.0.0.0, 0.0.0.0, 10.2.14/24, 10.2.14/25, 10/8, 0/0}', '{100, 100, 100, 125, 125, 2, 2, 100, 100}'), ('inetcol', 'cidr', '{&&, >>=, <<=, =}', '{fe80::/32, fe80::6e40:8ff:fea9:8c46, fe80::/32, fe80::6e40:8ff:fea9:8c46}', '{25, 1, 25, 1}'), ('cidrcol', 'inet', '{&&, =, <, <=, >, >=, >>=, >>, <<=, <<}', '{10/8, 10.2.14/24, 255.255.255.255, 255.255.255.255, 0.0.0.0, 0.0.0.0, 10.2.14.231/24, 10.2.14.231/25, 10.2.14.231/8, 0/0}', '{100, 2, 100, 100, 125, 125, 2, 2, 100, 100}'), ('cidrcol', 'inet', '{&&, >>=, <<=, =}', '{fe80::6e40:8ff:fea9:a673/32, fe80::6e40:8ff:fea9:8c46, fe80::6e40:8ff:fea9:a673/32, fe80::6e40:8ff:fea9:8c46}', '{25, 1, 25, 1}'), ('cidrcol', 'cidr', '{&&, =, <, <=, >, >=, >>=, >>, <<=, <<}', '{10/8, 10.2.14/24, 255.255.255.255, 255.255.255.255, 0.0.0.0, 0.0.0.0, 10.2.14/24, 10.2.14/25, 10/8, 0/0}', '{100, 2, 100, 100, 125, 125, 2, 2, 100, 100}'), ('cidrcol', 'cidr', '{&&, >>=, <<=, =}', '{fe80::/32, fe80::6e40:8ff:fea9:8c46, fe80::/32, fe80::6e40:8ff:fea9:8c46}', '{25, 1, 25, 1}'), ('bpcharcol', 'bpchar', '{>, >=, =, <=, <}', '{A, A, W, Z, Z}', '{97, 100, 6, 100, 98}'), ('datecol', 'date', '{>, >=, =, <=, <}', '{1995-08-15, 1995-08-15, 2009-12-01, 2022-12-30, 2022-12-30}', '{100, 100, 1, 100, 100}'), ('timecol', 'time', '{>, >=, =, <=, <}', '{01:20:30, 01:20:30, 02:28:57, 06:28:31.5, 06:28:31.5}', '{100, 100, 1, 100, 100}'), ('timestampcol', 'timestamp', '{>, >=, =, <=, <}', '{1942-07-23 03:05:09, 1942-07-23 03:05:09, 1964-03-24 19:26:45, 1984-01-20 22:42:21, 1984-01-20 22:42:21}', '{100, 100, 1, 100, 100}'), ('timestampcol', 'timestamptz', '{>, >=, =, <=, <}', '{1942-07-23 03:05:09, 1942-07-23 03:05:09, 1964-03-24 19:26:45, 1984-01-20 22:42:21, 1984-01-20 22:42:21}', '{100, 100, 1, 100, 100}'), ('timestamptzcol', 'timestamptz', '{>, >=, =, <=, <}', '{1972-10-10 03:00:00-04, 1972-10-10 03:00:00-04, 1972-10-19 09:00:00-07, 1972-11-20 19:00:00-03, 1972-11-20 19:00:00-03}', '{100, 100, 1, 100, 100}'), ('intervalcol', 'interval', '{>, >=, =, <=, <}', '{00:00:00, 00:00:00, 1 mons 13 days 12:24, 2 mons 23 days 07:48:00, 1 year}', '{100, 100, 1, 100, 100}'), ('timetzcol', 'timetz', '{>, >=, =, <=, <}', '{01:30:20+02, 01:30:20+02, 01:35:50+02, 23:55:05+02, 23:55:05+02}', '{99, 100, 2, 100, 100}'), ('bitcol', 'bit(10)', '{>, >=, =, <=, <}', '{0000000010, 0000000010, 0011011110, 1111111000, 1111111000}', '{100, 100, 1, 100, 100}'), ('varbitcol', 'varbit(16)', '{>, >=, =, <=, <}', '{0000000000000100, 0000000000000100, 0001010001100110, 1111111111111000, 1111111111111000}', '{100, 100, 1, 100, 100}'), ('numericcol', 'numeric', '{>, >=, =, <=, <}', '{0.00, 0.01, 2268164.347826086956521739130434782609, 99470151.9, 99470151.9}', '{100, 100, 1, 100, 100}'), ('uuidcol', 'uuid', '{>, >=, =, <=, <}', '{00040004-0004-0004-0004-000400040004, 00040004-0004-0004-0004-000400040004, 52225222-5222-5222-5222-522252225222, 99989998-9998-9998-9998-999899989998, 99989998-9998-9998-9998-999899989998}', '{100, 100, 1, 100, 100}'), ('int4rangecol', 'int4range', '{<<, &<, &&, &>, >>, @>, <@, =, <, <=, >, >=}', '{"[10000,)","[10000,)","(,]","[3,4)","[36,44)","(1500,1501]","[3,4)","[222,1222)","[36,44)","[43,1043)","[367,4466)","[519,)"}', '{53, 53, 53, 53, 50, 22, 72, 1, 74, 75, 34, 21}'), ('int4rangecol', 'int4range', '{@>, <@, =, <=, >, >=}', '{empty, empty, empty, empty, empty, empty}', '{125, 72, 72, 72, 53, 125}'), ('int4rangecol', 'int4', '{@>}', '{1500}', '{22}'), ('lsncol', 'pg_lsn', '{>, >=, =, <=, <, IS, IS NOT}', '{0/1200, 0/1200, 44/455222, 198/1999799, 198/1999799, NULL, NULL}', '{100, 100, 1, 100, 100, 25, 100}'), ('boxcol', 'point', '{@>}', '{"(500,43)"}', '{11}'), ('boxcol', 'box', '{<<, &<, &&, &>, >>, <<|, &<|, |&>, |>>, @>, <@, ~=}', '{"((1000,2000),(3000,4000))","((1,2),(3000,4000))","((1,2),(3000,4000))","((1,2),(3000,4000))","((1,2),(3,4))","((1000,2000),(3000,4000))","((1,2000),(3,4000))","((1000,2),(3000,4))","((1,2),(3,4))","((1,2),(300,400))","((1,2),(3000,4000))","((222,1222),(44,45))"}', '{100, 100, 100, 99, 96, 100, 100, 99, 96, 1, 99, 1}'); DO $x$ DECLARE r record; r2 record; cond text; idx_ctids tid[]; ss_ctids tid[]; count int; plan_ok bool; plan_line text; BEGIN FOR r IN SELECT colname, oper, typ, value[ordinality], matches[ordinality] FROM brinopers, unnest(op) WITH ORDINALITY AS oper LOOP -- prepare the condition IF r.value IS NULL THEN cond := format('%I %s %L', r.colname, r.oper, r.value); ELSE cond := format('%I %s %L::%s', r.colname, r.oper, r.value, r.typ); END IF; -- run the query using the brin index SET enable_seqscan = 0; SET enable_bitmapscan = 1; plan_ok := false; FOR plan_line IN EXECUTE format($y$EXPLAIN SELECT array_agg(ctid) FROM brintest WHERE %s $y$, cond) LOOP IF plan_line LIKE '%Bitmap Heap Scan on brintest%' THEN plan_ok := true; END IF; END LOOP; IF NOT plan_ok THEN RAISE WARNING 'did not get bitmap indexscan plan for %', r; END IF; EXECUTE format($y$SELECT array_agg(ctid) FROM brintest WHERE %s $y$, cond) INTO idx_ctids; -- run the query using a seqscan SET enable_seqscan = 1; SET enable_bitmapscan = 0; plan_ok := false; FOR plan_line IN EXECUTE format($y$EXPLAIN SELECT array_agg(ctid) FROM brintest WHERE %s $y$, cond) LOOP IF plan_line LIKE '%Seq Scan on brintest%' THEN plan_ok := true; END IF; END LOOP; IF NOT plan_ok THEN RAISE WARNING 'did not get seqscan plan for %', r; END IF; EXECUTE format($y$SELECT array_agg(ctid) FROM brintest WHERE %s $y$, cond) INTO ss_ctids; -- make sure both return the same results count := array_length(idx_ctids, 1); IF NOT (count = array_length(ss_ctids, 1) AND idx_ctids @> ss_ctids AND idx_ctids <@ ss_ctids) THEN -- report the results of each scan to make the differences obvious RAISE WARNING 'something not right in %: count %', r, count; SET enable_seqscan = 1; SET enable_bitmapscan = 0; FOR r2 IN EXECUTE 'SELECT ' || r.colname || ' FROM brintest WHERE ' || cond LOOP RAISE NOTICE 'seqscan: %', r2; END LOOP; SET enable_seqscan = 0; SET enable_bitmapscan = 1; FOR r2 IN EXECUTE 'SELECT ' || r.colname || ' FROM brintest WHERE ' || cond LOOP RAISE NOTICE 'bitmapscan: %', r2; END LOOP; END IF; -- make sure we found expected number of matches IF count != r.matches THEN RAISE WARNING 'unexpected number of results % for %', count, r; END IF; END LOOP; END; $x$; RESET enable_seqscan; RESET enable_bitmapscan; INSERT INTO brintest SELECT repeat(stringu1, 42)::bytea, substr(stringu1, 1, 1)::"char", stringu1::name, 142857 * tenthous, thousand, twothousand, repeat(stringu1, 42), unique1::oid, format('(%s,%s)', tenthous, twenty)::tid, (four + 1.0)/(hundred+1), odd::float8 / (tenthous + 1), format('%s:00:%s:00:%s:00', to_hex(odd), to_hex(even), to_hex(hundred))::macaddr, inet '10.2.3.4' + tenthous, cidr '10.2.3/24' + tenthous, substr(stringu1, 1, 1)::bpchar, date '1995-08-15' + tenthous, time '01:20:30' + thousand * interval '18.5 second', timestamp '1942-07-23 03:05:09' + tenthous * interval '36.38 hours', timestamptz '1972-10-10 03:00' + thousand * interval '1 hour', justify_days(justify_hours(tenthous * interval '12 minutes')), timetz '01:30:20' + hundred * interval '15 seconds', thousand::bit(10), tenthous::bit(16)::varbit, tenthous::numeric(36,30) * fivethous * even / (hundred + 1), format('%s%s-%s-%s-%s-%s%s%s', to_char(tenthous, 'FM0000'), to_char(tenthous, 'FM0000'), to_char(tenthous, 'FM0000'), to_char(tenthous, 'FM0000'), to_char(tenthous, 'FM0000'), to_char(tenthous, 'FM0000'), to_char(tenthous, 'FM0000'), to_char(tenthous, 'FM0000'))::uuid, int4range(thousand, twothousand), format('%s/%s%s', odd, even, tenthous)::pg_lsn, box(point(odd, even), point(thousand, twothousand)) FROM tenk1 ORDER BY unique2 LIMIT 5 OFFSET 5; SELECT brin_desummarize_range('brinidx', 0); VACUUM brintest; -- force a summarization cycle in brinidx UPDATE brintest SET int8col = int8col * int4col; UPDATE brintest SET textcol = '' WHERE textcol IS NOT NULL; -- Tests for brin_summarize_new_values SELECT brin_summarize_new_values('brintest'); -- error, not an index SELECT brin_summarize_new_values('tenk1_unique1'); -- error, not a BRIN index SELECT brin_summarize_new_values('brinidx'); -- ok, no change expected -- Tests for brin_desummarize_range SELECT brin_desummarize_range('brinidx', -1); -- error, invalid range SELECT brin_desummarize_range('brinidx', 0); SELECT brin_desummarize_range('brinidx', 0); SELECT brin_desummarize_range('brinidx', 100000000); -- Test brin_summarize_range CREATE TABLE brin_summarize ( value int ) WITH (fillfactor=10, autovacuum_enabled=false); CREATE INDEX brin_summarize_idx ON brin_summarize USING brin (value) WITH (pages_per_range=2); -- Fill a few pages DO $$ DECLARE curtid tid; BEGIN LOOP INSERT INTO brin_summarize VALUES (1) RETURNING ctid INTO curtid; EXIT WHEN curtid > tid '(2, 0)'; END LOOP; END; $$; -- summarize one range SELECT brin_summarize_range('brin_summarize_idx', 0); -- nothing: already summarized SELECT brin_summarize_range('brin_summarize_idx', 1); -- summarize one range SELECT brin_summarize_range('brin_summarize_idx', 2); -- nothing: page doesn't exist in table SELECT brin_summarize_range('brin_summarize_idx', 4294967295); -- invalid block number values SELECT brin_summarize_range('brin_summarize_idx', -1); SELECT brin_summarize_range('brin_summarize_idx', 4294967296); -- test value merging in add_value CREATE TABLE brintest_2 (n numrange); CREATE INDEX brinidx_2 ON brintest_2 USING brin (n); INSERT INTO brintest_2 VALUES ('empty'); INSERT INTO brintest_2 VALUES (numrange(0, 2^1000::numeric)); INSERT INTO brintest_2 VALUES ('(-1, 0)'); SELECT brin_desummarize_range('brinidx', 0); SELECT brin_summarize_range('brinidx', 0); DROP TABLE brintest_2; -- test brin cost estimates behave sanely based on correlation of values CREATE TABLE brin_test (a INT, b INT); INSERT INTO brin_test SELECT x/100,x%100 FROM generate_series(1,10000) x(x); CREATE INDEX brin_test_a_idx ON brin_test USING brin (a) WITH (pages_per_range = 2); CREATE INDEX brin_test_b_idx ON brin_test USING brin (b) WITH (pages_per_range = 2); VACUUM ANALYZE brin_test; -- Ensure brin index is used when columns are perfectly correlated EXPLAIN (COSTS OFF) SELECT * FROM brin_test WHERE a = 1; -- Ensure brin index is not used when values are not correlated EXPLAIN (COSTS OFF) SELECT * FROM brin_test WHERE b = 1; -- make sure data are properly de-toasted in BRIN index CREATE TABLE brintest_3 (a text, b text, c text, d text); -- long random strings (~2000 chars each, so ~6kB for min/max on two -- columns) to trigger toasting WITH rand_value AS (SELECT string_agg(fipshash(i::text),'') AS val FROM generate_series(1,60) s(i)) INSERT INTO brintest_3 SELECT val, val, val, val FROM rand_value; CREATE INDEX brin_test_toast_idx ON brintest_3 USING brin (b, c); DELETE FROM brintest_3; -- We need to wait a bit for all transactions to complete, so that the -- vacuum actually removes the TOAST rows. Creating an index concurrently -- is a one way to achieve that, because it does exactly such wait. CREATE INDEX CONCURRENTLY brin_test_temp_idx ON brintest_3(a); DROP INDEX brin_test_temp_idx; -- vacuum the table, to discard TOAST data VACUUM brintest_3; -- retry insert with a different random-looking (but deterministic) value -- the value is different, and so should replace either min or max in the -- brin summary WITH rand_value AS (SELECT string_agg(fipshash((-i)::text),'') AS val FROM generate_series(1,60) s(i)) INSERT INTO brintest_3 SELECT val, val, val, val FROM rand_value; -- now try some queries, accessing the brin index SET enable_seqscan = off; EXPLAIN (COSTS OFF) SELECT * FROM brintest_3 WHERE b < '0'; SELECT * FROM brintest_3 WHERE b < '0'; DROP TABLE brintest_3; RESET enable_seqscan; -- test parallel build with immutable function. CREATE TABLE brintest_expr (n int); CREATE FUNCTION brintest_func() RETURNS int LANGUAGE sql IMMUTABLE RETURN 0; BEGIN; SET LOCAL min_parallel_table_scan_size = 0; SET LOCAL max_parallel_maintenance_workers = 4; CREATE INDEX brintest_expr_idx ON brintest_expr USING brin (brintest_func()); COMMIT; DROP TABLE brintest_expr; DROP FUNCTION brintest_func(); -- test an unlogged table, mostly to get coverage of brinbuildempty CREATE UNLOGGED TABLE brintest_unlogged (n numrange); CREATE INDEX brinidx_unlogged ON brintest_unlogged USING brin (n); INSERT INTO brintest_unlogged VALUES (numrange(0, 2^1000::numeric)); DROP TABLE brintest_unlogged; -- test that the insert optimization works if no rows end up inserted CREATE TABLE brin_insert_optimization (a int); INSERT INTO brin_insert_optimization VALUES (1); CREATE INDEX brin_insert_optimization_idx ON brin_insert_optimization USING brin (a); UPDATE brin_insert_optimization SET a = a; REINDEX INDEX CONCURRENTLY brin_insert_optimization_idx; DROP TABLE brin_insert_optimization;