mirror of
https://github.com/GreptimeTeam/greptimedb.git
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f2288a86b0
* perf: treat DISTINCT as comm/part-comm Signed-off-by: Ruihang Xia <waynestxia@gmail.com> * sqlness tests Signed-off-by: Ruihang Xia <waynestxia@gmail.com> --------- Signed-off-by: Ruihang Xia <waynestxia@gmail.com>
239 lines
7.2 KiB
Plaintext
239 lines
7.2 KiB
Plaintext
CREATE TABLE test (a INTEGER, b INTEGER, t TIMESTAMP TIME INDEX);
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Affected Rows: 0
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INSERT INTO test VALUES (11, 22, 1), (13, 22, 2), (11, 21, 3), (11, 22, 4);
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Affected Rows: 4
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SELECT DISTINCT a, b FROM test ORDER BY a, b;
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+----+----+
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| a | b |
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+----+----+
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| 11 | 21 |
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| 11 | 22 |
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| 13 | 22 |
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+----+----+
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SELECT DISTINCT test.a, b FROM test ORDER BY a, b;
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+----+----+
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| a | b |
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+----+----+
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| 11 | 21 |
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| 11 | 22 |
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| 13 | 22 |
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+----+----+
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SELECT DISTINCT a FROM test ORDER BY a;
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+----+
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| a |
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+----+
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| 11 |
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| 13 |
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+----+
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SELECT DISTINCT b FROM test ORDER BY b;
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+----+
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| b |
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+----+
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| 21 |
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| 22 |
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+----+
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SELECT DISTINCT a, SUM(B) FROM test GROUP BY a ORDER BY a;
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+----+-------------+
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| a | sum(test.b) |
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+----+-------------+
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| 11 | 65 |
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| 13 | 22 |
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+----+-------------+
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SELECT DISTINCT MAX(b) FROM test GROUP BY a;
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+-------------+
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| max(test.b) |
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+-------------+
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| 22 |
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+-------------+
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SELECT DISTINCT CASE WHEN a > 11 THEN 11 ELSE a END FROM test;
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+-------------------------------------------------------------+
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| CASE WHEN test.a > Int64(11) THEN Int64(11) ELSE test.a END |
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+-------------------------------------------------------------+
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| 11 |
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+-------------------------------------------------------------+
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SELECT DISTINCT ON (a) * FROM test ORDER BY a, t DESC;
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+----+----+-------------------------+
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| a | b | t |
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+----+----+-------------------------+
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| 11 | 22 | 1970-01-01T00:00:00.004 |
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| 13 | 22 | 1970-01-01T00:00:00.002 |
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+----+----+-------------------------+
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-- SQLNESS REPLACE (metrics.*) REDACTED
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-- SQLNESS REPLACE (RoundRobinBatch.*) REDACTED
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-- SQLNESS REPLACE (Hash.*) REDACTED
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-- SQLNESS REPLACE (-+) -
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-- SQLNESS REPLACE (\s\s+) _
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-- SQLNESS REPLACE (peers.*) REDACTED
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-- SQLNESS REPLACE region=\d+\(\d+,\s+\d+\) region=REDACTED
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EXPLAIN ANALYZE SELECT DISTINCT a FROM test ORDER BY a;
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+-+-+-+
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| stage | node | plan_|
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+-+-+-+
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| 0_| 0_|_CooperativeExec REDACTED
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|_|_|_MergeScanExec: REDACTED
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|_|_|_|
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| 1_| 0_|_SortPreservingMergeExec: [a@0 ASC NULLS LAST] REDACTED
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|_|_|_SortExec: expr=[a@0 ASC NULLS LAST], preserve_partitioning=[true] REDACTED
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|_|_|_AggregateExec: mode=FinalPartitioned, gby=[a@0 as a], aggr=[] REDACTED
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|_|_|_CoalesceBatchesExec: target_batch_size=8192 REDACTED
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|_|_|_RepartitionExec: partitioning=REDACTED
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|_|_|_AggregateExec: mode=Partial, gby=[a@0 as a], aggr=[] REDACTED
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|_|_|_CooperativeExec REDACTED
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|_|_|_SeqScan: region=REDACTED, "partition_count":{"count":1, "mem_ranges":1, "files":0, "file_ranges":0} REDACTED
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|_|_|_|
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|_|_| Total rows: 2_|
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+-+-+-+
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-- SQLNESS REPLACE (metrics.*) REDACTED
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-- SQLNESS REPLACE (RoundRobinBatch.*) REDACTED
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-- SQLNESS REPLACE (Hash.*) REDACTED
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-- SQLNESS REPLACE (-+) -
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-- SQLNESS REPLACE (\s\s+) _
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-- SQLNESS REPLACE (peers.*) REDACTED
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-- SQLNESS REPLACE region=\d+\(\d+,\s+\d+\) region=REDACTED
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EXPLAIN ANALYZE SELECT DISTINCT a, b FROM test ORDER BY a;
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+-+-+-+
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| stage | node | plan_|
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+-+-+-+
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| 0_| 0_|_CooperativeExec REDACTED
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|_|_|_MergeScanExec: REDACTED
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|_|_|_|
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| 1_| 0_|_SortPreservingMergeExec: [a@0 ASC NULLS LAST] REDACTED
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|_|_|_SortExec: expr=[a@0 ASC NULLS LAST], preserve_partitioning=[true] REDACTED
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|_|_|_AggregateExec: mode=FinalPartitioned, gby=[a@0 as a, b@1 as b], aggr=[] REDACTED
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|_|_|_CoalesceBatchesExec: target_batch_size=8192 REDACTED
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|_|_|_RepartitionExec: partitioning=REDACTED
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|_|_|_AggregateExec: mode=Partial, gby=[a@0 as a, b@1 as b], aggr=[] REDACTED
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|_|_|_CooperativeExec REDACTED
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|_|_|_SeqScan: region=REDACTED, "partition_count":{"count":1, "mem_ranges":1, "files":0, "file_ranges":0} REDACTED
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|_|_| Total rows: 3_|
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+-+-+-+
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DROP TABLE test;
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Affected Rows: 0
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CREATE TABLE test (a INTEGER, b INTEGER, t TIMESTAMP TIME INDEX)
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PARTITION ON COLUMNS(a) (
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a <= 10,
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a > 10,
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);
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Affected Rows: 0
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INSERT INTO test VALUES (1, 22, 1), (1, 21, 2), (100, 21, 3), (100, 22, 4);
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Affected Rows: 4
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SELECT DISTINCT a, b FROM test ORDER BY a, b;
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+-----+----+
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| a | b |
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+-----+----+
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| 1 | 21 |
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| 1 | 22 |
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| 100 | 21 |
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| 100 | 22 |
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+-----+----+
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-- SQLNESS REPLACE (metrics.*) REDACTED
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-- SQLNESS REPLACE (RoundRobinBatch.*) REDACTED
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-- SQLNESS REPLACE (Hash.*) REDACTED
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-- SQLNESS REPLACE (-+) -
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-- SQLNESS REPLACE (\s\s+) _
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-- SQLNESS REPLACE (peers.*) REDACTED
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-- SQLNESS REPLACE region=\d+\(\d+,\s+\d+\) region=REDACTED
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EXPLAIN ANALYZE SELECT DISTINCT a FROM test ORDER BY a;
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+-+-+-+
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| stage | node | plan_|
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+-+-+-+
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| 0_| 0_|_SortPreservingMergeExec: [a@0 ASC NULLS LAST] REDACTED
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|_|_|_SortExec: expr=[a@0 ASC NULLS LAST], preserve_partitioning=[true] REDACTED
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|_|_|_AggregateExec: mode=SinglePartitioned, gby=[a@0 as a], aggr=[] REDACTED
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|_|_|_CooperativeExec REDACTED
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|_|_|_MergeScanExec: REDACTED
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|_|_|_|
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| 1_| 0_|_AggregateExec: mode=FinalPartitioned, gby=[a@0 as a], aggr=[] REDACTED
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|_|_|_CoalesceBatchesExec: target_batch_size=8192 REDACTED
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|_|_|_RepartitionExec: partitioning=REDACTED
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|_|_|_AggregateExec: mode=Partial, gby=[a@0 as a], aggr=[] REDACTED
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|_|_|_CooperativeExec REDACTED
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|_|_|_SeqScan: region=REDACTED, "partition_count":{"count":1, "mem_ranges":1, "files":0, "file_ranges":0} REDACTED
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|_|_|_|
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| 1_| 1_|_AggregateExec: mode=FinalPartitioned, gby=[a@0 as a], aggr=[] REDACTED
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|_|_|_CoalesceBatchesExec: target_batch_size=8192 REDACTED
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|_|_|_RepartitionExec: partitioning=REDACTED
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|_|_|_AggregateExec: mode=Partial, gby=[a@0 as a], aggr=[] REDACTED
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|_|_|_CooperativeExec REDACTED
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|_|_|_SeqScan: region=REDACTED, "partition_count":{"count":1, "mem_ranges":1, "files":0, "file_ranges":0} REDACTED
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|_|_|_|
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|_|_| Total rows: 2_|
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+-+-+-+
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-- SQLNESS REPLACE (metrics.*) REDACTED
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-- SQLNESS REPLACE (RoundRobinBatch.*) REDACTED
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-- SQLNESS REPLACE (Hash.*) REDACTED
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-- SQLNESS REPLACE (-+) -
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-- SQLNESS REPLACE (\s\s+) _
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-- SQLNESS REPLACE (peers.*) REDACTED
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-- SQLNESS REPLACE region=\d+\(\d+,\s+\d+\) region=REDACTED
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EXPLAIN ANALYZE SELECT DISTINCT a, b FROM test ORDER BY a;
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+-+-+-+
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| stage | node | plan_|
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+-+-+-+
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| 0_| 0_|_SortPreservingMergeExec: [a@0 ASC NULLS LAST] REDACTED
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|_|_|_SortExec: expr=[a@0 ASC NULLS LAST], preserve_partitioning=[true] REDACTED
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|_|_|_AggregateExec: mode=FinalPartitioned, gby=[a@0 as a, b@1 as b], aggr=[] REDACTED
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|_|_|_CoalesceBatchesExec: target_batch_size=8192 REDACTED
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|_|_|_RepartitionExec: partitioning=REDACTED
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|_|_|_AggregateExec: mode=Partial, gby=[a@0 as a, b@1 as b], aggr=[] REDACTED
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|_|_|_CooperativeExec REDACTED
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|_|_|_MergeScanExec: REDACTED
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|_|_|_|
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| 1_| 0_|_AggregateExec: mode=FinalPartitioned, gby=[a@0 as a, b@1 as b], aggr=[] REDACTED
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|_|_|_CoalesceBatchesExec: target_batch_size=8192 REDACTED
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|_|_|_RepartitionExec: partitioning=REDACTED
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|_|_|_AggregateExec: mode=Partial, gby=[a@0 as a, b@1 as b], aggr=[] REDACTED
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|_|_|_CooperativeExec REDACTED
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|_|_|_SeqScan: region=REDACTED, "partition_count":{"count":1, "mem_ranges":1, "files":0, "file_ranges":0} REDACTED
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|_|_|_|
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| 1_| 1_|_AggregateExec: mode=FinalPartitioned, gby=[a@0 as a, b@1 as b], aggr=[] REDACTED
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|_|_|_CoalesceBatchesExec: target_batch_size=8192 REDACTED
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|_|_|_RepartitionExec: partitioning=REDACTED
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|_|_|_AggregateExec: mode=Partial, gby=[a@0 as a, b@1 as b], aggr=[] REDACTED
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|_|_|_CooperativeExec REDACTED
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|_|_|_SeqScan: region=REDACTED, "partition_count":{"count":1, "mem_ranges":1, "files":0, "file_ranges":0} REDACTED
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|_|_| Total rows: 4_|
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+-+-+-+
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DROP TABLE test;
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Affected Rows: 0
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