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110d77a2fe
Merge test files that after the removal of PG11 support need to be no longer version specific.
37 lines
1.5 KiB
SQL
37 lines
1.5 KiB
SQL
-- 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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\set PREFIX 'EXPLAIN (COSTS OFF) '
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CREATE TABLE order_test(time int NOT NULL, device_id int, value float);
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CREATE INDEX ON order_test(time,device_id);
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CREATE INDEX ON order_test(device_id,time);
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SELECT create_hypertable('order_test','time',chunk_time_interval:=1000);
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INSERT INTO order_test SELECT 0,10,0.5;
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INSERT INTO order_test SELECT 1,9,0.5;
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INSERT INTO order_test SELECT 2,8,0.5;
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-- we want to see here that index scans are possible for the chosen expressions
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-- so we disable seqscan so we dont need to worry about other factors which would
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-- make PostgreSQL prefer seqscan over index scan
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SET enable_seqscan TO off;
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-- test sort optimization with single member order by
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SELECT time_bucket(10,time),device_id,value FROM order_test ORDER BY 1;
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-- should use index scan
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:PREFIX SELECT time_bucket(10,time),device_id,value FROM order_test ORDER BY 1;
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-- test sort optimization with ordering by multiple columns and time_bucket not last
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SELECT time_bucket(10,time),device_id,value FROM order_test ORDER BY 1,2;
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-- must not use index scan
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:PREFIX SELECT time_bucket(10,time),device_id,value FROM order_test ORDER BY 1,2;
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-- test sort optimization with ordering by multiple columns and time_bucket as last member
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SELECT time_bucket(10,time),device_id,value FROM order_test ORDER BY 2,1;
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-- should use index scan
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:PREFIX SELECT time_bucket(10,time),device_id,value FROM order_test ORDER BY 2,1;
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