46 lines
2.3 KiB
SQL
46 lines
2.3 KiB
SQL
-- Test for predicate push down explains
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-- IOX_SETUP: TwoMeasurementsPredicatePushDown
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-- Test 1: Select everything
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EXPLAIN SELECT * from restaurant;
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-- Test 2: One push-down expression: count > 200
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-- TODO: Make push-down predicates shown in explain verbose. Ticket #1538
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EXPLAIN SELECT * from restaurant where count > 200;
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-- Test 2.2: One push-down expression: count > 200.0
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EXPLAIN SELECT * from restaurant where count > 200.0;
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-- Test 2.3: One push-down expression: system > 4.0
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EXPLAIN SELECT * from restaurant where system > 4.0;
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-- Test 3: Two push-down expression: count > 200 and town != 'tewsbury'
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EXPLAIN SELECT * from restaurant where count > 200 and town != 'tewsbury';
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-- Test 4: Still two push-down expression: count > 200 and town != 'tewsbury'
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-- even though the results are different
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EXPLAIN SELECT * from restaurant where count > 200 and town != 'tewsbury' and (system =5 or town = 'lawrence');
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-- Test 5: three push-down expression: count > 200 and town != 'tewsbury' and count < 40000
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EXPLAIN SELECT * from restaurant where count > 200 and town != 'tewsbury' and (system =5 or town = 'lawrence') and count < 40000;
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-- Test 6: two push-down expression: count > 200 and count < 40000
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EXPLAIN SELECT * from restaurant where count > 200 and count < 40000;
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-- Test 7: two push-down expression on float: system > 4.0 and system < 7.0
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EXPLAIN SELECT * from restaurant where system > 4.0 and system < 7.0;
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-- Test 8: two push-down expression on float: system > 5.0 and system < 7.0
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EXPLAIN SELECT * from restaurant where system > 5.0 and system < 7.0;
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-- Test 9: three push-down expression: system > 5.0 and town != 'tewsbury' and system < 7.0
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EXPLAIN SELECT * from restaurant where system > 5.0 and town != 'tewsbury' and 7.0 > system;
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-- Test 10: three push-down expression: system > 5.0 and town != 'tewsbury' and system < 7.0
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EXPLAIN SELECT * from restaurant where system > 5.0 and 'tewsbury' != town and system < 7.0 and (count = 632 or town = 'reading');
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-- Test 11: four push-down expression: system > 5.0 and town != 'tewsbury' and system < 7.0 and
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-- time > to_timestamp('1970-01-01T00:00:00.000000120+00:00') rewritten to time GT INT(130)
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EXPLAIN SELECT * from restaurant where 5.0 < system and town != 'tewsbury' and system < 7.0 and (count = 632 or town = 'reading') and time > to_timestamp('1970-01-01T00:00:00.000000130+00:00');
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