CREATE TABLE integers(i INTEGER, j 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 * FROM integers WHERE i IN ((SELECT i FROM integers)) ORDER BY i; +-+-+ | plan_type_| plan_| +-+-+ | logical_plan_| Sort: integers.i ASC NULLS LAST_| |_|_LeftSemi Join: integers.i = __correlated_sq_1.i_| |_|_MergeScan [is_placeholder=false]_| |_|_SubqueryAlias: __correlated_sq_1_| |_|_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 |_|_| +-+-+ -- SQLNESS REPLACE (-+) - -- SQLNESS REPLACE (\s\s+) _ -- SQLNESS REPLACE (RoundRobinBatch.*) REDACTED -- SQLNESS REPLACE (Hash.*) REDACTED -- SQLNESS REPLACE (peers.*) REDACTED 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_| |_|_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 -- SQLNESS REPLACE (-+) - -- SQLNESS REPLACE (\s\s+) _ -- SQLNESS REPLACE (RoundRobinBatch.*) REDACTED -- SQLNESS REPLACE (Hash.*) REDACTED -- SQLNESS REPLACE (peers.*) REDACTED 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_| |_|_Inner Join:_| |_|_Projection:_| |_|_MergeScan [is_placeholder=false]_| |_|_Filter: other.i IS NOT NULL_| |_|_Projection: other.i_| |_|_MergeScan [is_placeholder=false]_| | physical_plan | SortPreservingMergeExec: [i@0 DESC]_| |_|_SortExec: expr=[i@0 DESC]_| |_|_NestedLoopJoinExec: join_type=Inner_| |_|_RepartitionExec: partitioning=REDACTED |_|_ProjectionExec: expr=[]_| |_|_MergeScanExec: REDACTED |_|_CoalescePartitionsExec_| |_|_CoalesceBatchesExec: target_batch_size=8192_| |_|_FilterExec: i@0 IS NOT NULL_| |_|_RepartitionExec: partitioning=REDACTED |_|_ProjectionExec: expr=[i@0 as i]_| |_|_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 | | | MergeScan [is_placeholder=false] | +--------------+-------------------------------------------------------------------+ drop table other; Affected Rows: 0 drop table integers; Affected Rows: 0