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

CREATE TABLE integers(i INTEGER, j TIMESTAMP TIME INDEX);

Affected Rows: 0

-- SQLNESS REPLACE (-+) -
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-- SQLNESS REPLACE (RoundRobinBatch.*) REDACTED
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EXPLAIN SELECT * FROM integers WHERE i IN ((SELECT i FROM integers)) ORDER BY i;

+-+-+
| plan_type_| plan_|
+-+-+
| logical_plan_| Sort: integers.i ASC NULLS LAST_|
|_|_Projection: integers.i, integers.j_|
|_|_LeftSemi Join: integers.i = __correlated_sq_1.i_|
|_|_MergeScan [is_placeholder=false]_|
|_|_SubqueryAlias: __correlated_sq_1_|
|_|_Projection: integers.i_|
|_|_MergeScan [is_placeholder=false]_|
| physical_plan | SortPreservingMergeExec: [i@0 ASC NULLS LAST]_|
|_|_SortExec: expr=[i@0 ASC NULLS LAST]_|
|_|_CoalesceBatchesExec: target_batch_size=8192_|
|_|_REDACTED
|_|_CoalesceBatchesExec: target_batch_size=8192_|
|_|_RepartitionExec: partitioning=REDACTED
|_|_RepartitionExec: partitioning=REDACTED
|_|_MergeScanExec: REDACTED
|_|_CoalesceBatchesExec: target_batch_size=8192_|
|_|_RepartitionExec: partitioning=REDACTED
|_|_RepartitionExec: partitioning=REDACTED
|_|_MergeScanExec: REDACTED
|_|_|
+-+-+

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EXPLAIN SELECT * FROM integers i1 WHERE EXISTS(SELECT i FROM integers WHERE i=i1.i) ORDER BY i1.i;

+-+-+
| plan_type_| plan_|
+-+-+
| logical_plan_| Sort: i1.i ASC NULLS LAST_|
|_|_Projection: i1.i, i1.j_|
|_|_LeftSemi Join: i1.i = __correlated_sq_1.i_|
|_|_SubqueryAlias: i1_|
|_|_MergeScan [is_placeholder=false]_|
|_|_SubqueryAlias: __correlated_sq_1_|
|_|_Projection: integers.i_|
|_|_MergeScan [is_placeholder=false]_|
| physical_plan | SortPreservingMergeExec: [i@0 ASC NULLS LAST]_|
|_|_SortExec: expr=[i@0 ASC NULLS LAST]_|
|_|_CoalesceBatchesExec: target_batch_size=8192_|
|_|_REDACTED
|_|_CoalesceBatchesExec: target_batch_size=8192_|
|_|_RepartitionExec: partitioning=REDACTED
|_|_RepartitionExec: partitioning=REDACTED
|_|_MergeScanExec: REDACTED
|_|_CoalesceBatchesExec: target_batch_size=8192_|
|_|_RepartitionExec: partitioning=REDACTED
|_|_RepartitionExec: partitioning=REDACTED
|_|_ProjectionExec: expr=[i@0 as i]_|
|_|_MergeScanExec: REDACTED
|_|_|
+-+-+

create table other (i INTEGER, j TIMESTAMP TIME INDEX);

Affected Rows: 0

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explain select t.i
from (
    select * from integers join other on 1=1
) t
where t.i is not null
order by t.i desc;

+-+-+
| plan_type_| plan_|
+-+-+
| logical_plan_| Sort: t.i DESC NULLS FIRST_|
|_|_SubqueryAlias: t_|
|_|_CrossJoin:_|
|_|_Filter: integers.i IS NOT NULL_|
|_|_Projection: integers.i_|
|_|_MergeScan [is_placeholder=false]_|
|_|_Projection:_|
|_|_MergeScan [is_placeholder=false]_|
| physical_plan | SortPreservingMergeExec: [i@0 DESC]_|
|_|_SortExec: expr=[i@0 DESC]_|
|_|_CrossJoinExec_|
|_|_CoalescePartitionsExec_|
|_|_CoalesceBatchesExec: target_batch_size=8192_|
|_|_FilterExec: i@0 IS NOT NULL_|
|_|_RepartitionExec: partitioning=REDACTED
|_|_ProjectionExec: expr=[i@0 as i]_|
|_|_MergeScanExec: REDACTED
|_|_RepartitionExec: partitioning=REDACTED
|_|_ProjectionExec: expr=[]_|
|_|_MergeScanExec: REDACTED
|_|_|
+-+-+

EXPLAIN INSERT INTO other SELECT i, 2 FROM integers WHERE i=(SELECT MAX(i) FROM integers);

+--------------+-------------------------------------------------------------------+
| plan_type    | plan                                                              |
+--------------+-------------------------------------------------------------------+
| logical_plan | Dml: op=[Insert Into] table=[other]                               |
|              |   Projection: integers.i AS i, TimestampMillisecond(2, None) AS j |
|              |     Inner Join: integers.i = __scalar_sq_1.MAX(integers.i)        |
|              |       Projection: integers.i                                      |
|              |         MergeScan [is_placeholder=false]                          |
|              |       SubqueryAlias: __scalar_sq_1                                |
|              |         Projection: MAX(integers.i)                               |
|              |           MergeScan [is_placeholder=false]                        |
+--------------+-------------------------------------------------------------------+

drop table other;

Affected Rows: 0

drop table integers;

Affected Rows: 0