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Repository URL to install this package:
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Version:
9.6.1-1PGDG.el7 ▾
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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);
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;
count int;
mismatch bool;
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
mismatch := false;
-- 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
CREATE TEMP TABLE brin_result (cid tid);
SET enable_seqscan = 0;
SET enable_bitmapscan = 1;
plan_ok := false;
FOR plan_line IN EXECUTE format($y$EXPLAIN SELECT 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($y$INSERT INTO brin_result SELECT ctid FROM brintest WHERE %s $y$, cond);
-- run the query using a seqscan
CREATE TEMP TABLE brin_result_ss (cid tid);
SET enable_seqscan = 1;
SET enable_bitmapscan = 0;
plan_ok := false;
FOR plan_line IN EXECUTE format($y$EXPLAIN SELECT 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($y$INSERT INTO brin_result_ss SELECT ctid FROM brintest WHERE %s $y$, cond);
-- make sure both return the same results
PERFORM * FROM brin_result EXCEPT ALL SELECT * FROM brin_result_ss;
GET DIAGNOSTICS count = ROW_COUNT;
IF count <> 0 THEN
mismatch = true;
END IF;
PERFORM * FROM brin_result_ss EXCEPT ALL SELECT * FROM brin_result;
GET DIAGNOSTICS count = ROW_COUNT;
IF count <> 0 THEN
mismatch = true;
END IF;
-- report the results of each scan to make the differences obvious
IF mismatch THEN
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
SELECT count(*) INTO count FROM brin_result;
IF count != r.matches THEN RAISE WARNING 'unexpected number of results % for %', count, r; END IF;
-- drop the temporary tables
DROP TABLE brin_result;
DROP TABLE brin_result_ss;
END LOOP;
END;
$x$;
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;
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