timescaledb/test/sql/delete.sql
Sven Klemm f89fd07c5b Remove year from SQL file license text
This changes the license text for SQL files to be identical
with the license text for C files.
2019-01-13 23:30:22 +01:00

42 lines
1.4 KiB
PL/PgSQL

-- This file and its contents are licensed under the Apache License 2.0.
-- Please see the included NOTICE for copyright information and
-- LICENSE-APACHE for a copy of the license.
\o /dev/null
\ir include/insert_two_partitions.sql
\o
SELECT * FROM "two_Partitions" ORDER BY "timeCustom", device_id;
DELETE FROM "two_Partitions" WHERE series_0 = 1.5;
DELETE FROM "two_Partitions" WHERE series_0 = 100;
SELECT * FROM "two_Partitions" ORDER BY "timeCustom", device_id;
-- Make sure DELETE isn't optimized if it includes Append plans
-- Need to turn of nestloop to make append appear the same on PG96 and PG10
set enable_nestloop = 'off';
CREATE OR REPLACE FUNCTION series_val()
RETURNS integer LANGUAGE PLPGSQL STABLE AS
$BODY$
BEGIN
RETURN 5;
END;
$BODY$;
-- ConstraintAwareAppend applied for SELECT
EXPLAIN (costs off)
SELECT FROM "two_Partitions"
WHERE series_1 IN (SELECT series_1 FROM "two_Partitions" WHERE series_1 > series_val());
-- ConstraintAwareAppend NOT applied for DELETE
EXPLAIN (costs off)
DELETE FROM "two_Partitions"
WHERE series_1 IN (SELECT series_1 FROM "two_Partitions" WHERE series_1 > series_val());
SELECT * FROM "two_Partitions" ORDER BY "timeCustom", device_id;
DELETE FROM "two_Partitions"
WHERE series_1 IN (SELECT series_1 FROM "two_Partitions" WHERE series_1 > series_val());
SELECT * FROM "two_Partitions" ORDER BY "timeCustom", device_id;