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https://github.com/timescale/timescaledb.git
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a409065285
Since multi-node is not supported on PG16, add errors to multi-node functions when run on this PostgreSQL version.
128 lines
3.8 KiB
Plaintext
128 lines
3.8 KiB
Plaintext
-- This file and its contents are licensed under the Apache License 2.0.
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-- Please see the included NOTICE for copyright information and
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-- LICENSE-APACHE for a copy of the license.
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-- table 1
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CREATE TABLE "hitest1"(key real, val varchar(40));
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-- insertions
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INSERT INTO "hitest1" VALUES(0, 'hi');
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INSERT INTO "hitest1" VALUES(1, 'sup');
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INSERT INTO "hitest1" VALUES(2, 'hello');
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INSERT INTO "hitest1" VALUES(3, 'yo');
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INSERT INTO "hitest1" VALUES(4, 'howdy');
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INSERT INTO "hitest1" VALUES(5, 'hola');
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INSERT INTO "hitest1" VALUES(6, 'ya');
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INSERT INTO "hitest1" VALUES(1, 'sup');
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INSERT INTO "hitest1" VALUES(2, 'hello');
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INSERT INTO "hitest1" VALUES(1, 'sup');
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-- table 2
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CREATE TABLE "hitest2"(name varchar(30), score integer, qualify boolean);
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-- insertions
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INSERT INTO "hitest2" VALUES('Tom', 6, TRUE);
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INSERT INTO "hitest2" VALUES('Mary', 4, FALSE);
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INSERT INTO "hitest2" VALUES('Jaq', 3, FALSE);
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INSERT INTO "hitest2" VALUES('Jane', 10, TRUE);
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-- standard 2 bucket
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SELECT histogram(key, 0, 9, 2) FROM hitest1;
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histogram
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-----------
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{0,8,2,0}
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(1 row)
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-- standard multi-bucket
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SELECT histogram(key, 0, 9, 5) FROM hitest1;
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histogram
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-----------------
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{0,4,3,2,1,0,0}
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(1 row)
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-- standard 3 bucket
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SELECT val, histogram(key, 0, 7, 3) FROM hitest1 GROUP BY val ORDER BY val;
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val | histogram
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-------+-------------
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hello | {0,2,0,0,0}
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hi | {0,1,0,0,0}
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hola | {0,0,0,1,0}
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howdy | {0,0,1,0,0}
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sup | {0,3,0,0,0}
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ya | {0,0,0,1,0}
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yo | {0,0,1,0,0}
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(7 rows)
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-- standard element beneath lb
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SELECT histogram(key, 1, 7, 3) FROM hitest1;
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histogram
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-------------
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{1,5,2,2,0}
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(1 row)
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-- standard element above ub
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SELECT histogram(key, 0, 3, 3) FROM hitest1;
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histogram
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-------------
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{0,1,3,2,4}
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(1 row)
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-- standard element beneath and above lb and ub, respectively
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SELECT histogram(key, 1, 3, 2) FROM hitest1;
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histogram
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-----------
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{1,3,2,4}
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(1 row)
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-- standard 1 bucket
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SELECT histogram(key, 1, 3, 1) FROM hitest1;
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histogram
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-----------
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{1,5,4}
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(1 row)
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-- standard 2 bucket
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SELECT qualify, histogram(score, 0, 10, 2) FROM hitest2 GROUP BY qualify ORDER BY qualify;
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qualify | histogram
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---------+-----------
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f | {0,2,0,0}
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t | {0,0,1,1}
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(2 rows)
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-- standard multi-bucket
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SELECT qualify, histogram(score, 0, 10, 5) FROM hitest2 GROUP BY qualify ORDER BY qualify;
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qualify | histogram
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---------+-----------------
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f | {0,0,1,1,0,0,0}
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t | {0,0,0,0,1,0,1}
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(2 rows)
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-- check number of buckets is constant
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\set ON_ERROR_STOP 0
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select histogram(i,10,90,case when i=1 then 1 else 1000000 end) FROM generate_series(1,100) i;
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ERROR: number of buckets must not change between calls
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\set ON_ERROR_STOP 1
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CREATE TABLE weather (
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time TIMESTAMPTZ NOT NULL,
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city TEXT,
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temperature FLOAT,
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PRIMARY KEY(time, city)
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);
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-- There is a bug in width_bucket() causing a NaN as a result, so we
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-- check that it is not causing a crash in histogram().
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SELECT * FROM create_hypertable('weather', 'time', 'city', 3);
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hypertable_id | schema_name | table_name | created
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---------------+-------------+------------+---------
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1 | public | weather | t
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(1 row)
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INSERT INTO weather VALUES
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('2023-02-10 09:16:51.133584+00','city1',10.4),
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('2023-02-10 11:16:51.611618+00','city1',10.3),
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('2023-02-10 06:58:59.999999+00','city1',10.3),
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('2023-02-10 01:58:59.999999+00','city1',10.3),
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('2023-02-09 01:58:59.999999+00','city1',10.3),
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('2023-02-10 08:58:59.999999+00','city1',10.3),
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('2023-03-23 06:12:02.73765+00 ','city1', 9.7),
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('2023-03-23 06:12:06.990998+00','city1',11.7);
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-- This will currently generate an error on PG15 and prior versions
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\set ON_ERROR_STOP 0
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SELECT histogram(temperature, -1.79769e+308, 1.79769e+308,10) FROM weather GROUP BY city;
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ERROR: index -2147483648 from "width_bucket" out of range
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\set ON_ERROR_STOP 1
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