greptimedb/tests/cases/distributed/explain/order_by.result

CREATE TABLE integers(i BIGINT, ts TIMESTAMP TIME INDEX);

Affected Rows: 0

-- SQLNESS REPLACE (-+) -
-- SQLNESS REPLACE (\s\s+) _
-- SQLNESS REPLACE (RoundRobinBatch.*) REDACTED
-- SQLNESS REPLACE (Hash.*) REDACTED
-- SQLNESS REPLACE (peers.*) REDACTED
EXPLAIN SELECT DISTINCT i%2 FROM integers ORDER BY 1;

+-+-+
| plan_type_| plan_|
+-+-+
| logical_plan_| MergeScan [is_placeholder=false, remote_input=[_|
|_| Sort: integers.i % Int64(2) ASC NULLS LAST_|
|_|_Distinct:_|
|_|_Projection: integers.i % Int64(2)_|
|_|_TableScan: integers_|
|_| ]]_|
| physical_plan | CooperativeExec_|
|_|_MergeScanExec: REDACTED
|_|_|
+-+-+

DROP TABLE integers;

Affected Rows: 0

CREATE TABLE test (a INTEGER, b INTEGER, t TIMESTAMP TIME INDEX);

Affected Rows: 0

-- SQLNESS REPLACE (-+) -
-- SQLNESS REPLACE (\s\s+) _
-- SQLNESS REPLACE (RoundRobinBatch.*) REDACTED
-- SQLNESS REPLACE (Hash.*) REDACTED
-- SQLNESS REPLACE (peers.*) REDACTED
EXPLAIN SELECT a, b FROM test ORDER BY a, b;

+-+-+
| plan_type_| plan_|
+-+-+
| logical_plan_| MergeScan [is_placeholder=false, remote_input=[_|
|_| Sort: test.a ASC NULLS LAST, test.b ASC NULLS LAST |
|_|_Projection: test.a, test.b_|
|_|_TableScan: test_|
|_| ]]_|
| physical_plan | CooperativeExec_|
|_|_MergeScanExec: REDACTED
|_|_|
+-+-+

-- SQLNESS REPLACE (-+) -
-- SQLNESS REPLACE (\s\s+) _
-- SQLNESS REPLACE (RoundRobinBatch.*) REDACTED
-- SQLNESS REPLACE (Hash.*) REDACTED
-- SQLNESS REPLACE (peers.*) REDACTED
EXPLAIN SELECT DISTINCT a, b FROM test ORDER BY a, b;

+-+-+
| plan_type_| plan_|
+-+-+
| logical_plan_| MergeScan [is_placeholder=false, remote_input=[_|
|_| Sort: test.a ASC NULLS LAST, test.b ASC NULLS LAST |
|_|_Distinct:_|
|_|_Projection: test.a, test.b_|
|_|_TableScan: test_|
|_| ]]_|
| physical_plan | CooperativeExec_|
|_|_MergeScanExec: REDACTED
|_|_|
+-+-+

DROP TABLE test;

Affected Rows: 0

CREATE TABLE test_pk(pk INTEGER PRIMARY KEY, i INTEGER, t TIMESTAMP TIME INDEX) WITH('compaction.type'='twcs', 'compaction.twcs.trigger_file_num'='4');

Affected Rows: 0

INSERT INTO test_pk VALUES (1, 1, 1), (2, NULL, 2), (3, 1, 3), (4, 2, 4), (5, 2, 5), (6, NULL, 6);

Affected Rows: 6

-- Test aliasing.
SELECT i, t AS alias_ts FROM test_pk ORDER BY t DESC LIMIT 5;

+---+-------------------------+
| i | alias_ts                |
+---+-------------------------+
|   | 1970-01-01T00:00:00.006 |
| 2 | 1970-01-01T00:00:00.005 |
| 2 | 1970-01-01T00:00:00.004 |
| 1 | 1970-01-01T00:00:00.003 |
|   | 1970-01-01T00:00:00.002 |
+---+-------------------------+

-- Test aliasing.
SELECT i, t AS alias_ts FROM test_pk ORDER BY alias_ts DESC LIMIT 5;

+---+-------------------------+
| i | alias_ts                |
+---+-------------------------+
|   | 1970-01-01T00:00:00.006 |
| 2 | 1970-01-01T00:00:00.005 |
| 2 | 1970-01-01T00:00:00.004 |
| 1 | 1970-01-01T00:00:00.003 |
|   | 1970-01-01T00:00:00.002 |
+---+-------------------------+

-- SQLNESS REPLACE (-+) -
-- SQLNESS REPLACE (\s\s+) _
-- SQLNESS REPLACE (peers.*) REDACTED
-- SQLNESS REPLACE (metrics.*) REDACTED
-- SQLNESS REPLACE region=\d+\(\d+,\s+\d+\) region=REDACTED
-- SQLNESS REPLACE num_ranges=\d+ num_ranges=REDACTED
EXPLAIN ANALYZE SELECT i, t AS alias_ts FROM test_pk ORDER BY t DESC LIMIT 5;

+-+-+-+
| stage | node | plan_|
+-+-+-+
| 0_| 0_|_CooperativeExec REDACTED
|_|_|_MergeScanExec: REDACTED
|_|_|_|
| 1_| 0_|_ProjectionExec: expr=[i@0 as i, t@1 as alias_ts] REDACTED
|_|_|_SortPreservingMergeExec: [t@1 DESC], fetch=5 REDACTED
|_|_|_SortExec: TopK(fetch=5), expr=[t@1 DESC], preserve_partitioning=[true], filter=[t@1 IS NULL OR t@1 > 2] REDACTED
|_|_|_SeqScan: region=REDACTED, "partition_count":{"count":1, "mem_ranges":1, "files":0, "file_ranges":0} REDACTED
|_|_|_|
|_|_| Total rows: 5_|
+-+-+-+

-- SQLNESS REPLACE (-+) -
-- SQLNESS REPLACE (\s\s+) _
-- SQLNESS REPLACE (peers.*) REDACTED
-- SQLNESS REPLACE (metrics.*) REDACTED
-- SQLNESS REPLACE region=\d+\(\d+,\s+\d+\) region=REDACTED
-- SQLNESS REPLACE num_ranges=\d+ num_ranges=REDACTED
EXPLAIN ANALYZE SELECT i, t AS alias_ts FROM test_pk ORDER BY alias_ts DESC LIMIT 5;

+-+-+-+
| stage | node | plan_|
+-+-+-+
| 0_| 0_|_CooperativeExec REDACTED
|_|_|_MergeScanExec: REDACTED
|_|_|_|
| 1_| 0_|_ProjectionExec: expr=[i@0 as i, t@1 as alias_ts] REDACTED
|_|_|_SortPreservingMergeExec: [t@1 DESC], fetch=5 REDACTED
|_|_|_SortExec: TopK(fetch=5), expr=[t@1 DESC], preserve_partitioning=[true], filter=[t@1 IS NULL OR t@1 > 2] REDACTED
|_|_|_SeqScan: region=REDACTED, "partition_count":{"count":1, "mem_ranges":1, "files":0, "file_ranges":0} REDACTED
|_|_|_|
|_|_| Total rows: 5_|
+-+-+-+

DROP TABLE test_pk;

Affected Rows: 0