zhuqi-lucas commented on code in PR #14922:
URL: https://github.com/apache/datafusion/pull/14922#discussion_r1976514971
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datafusion/sqllogictest/test_files/insert_to_external.slt:
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@@ -456,13 +456,16 @@ explain insert into table_without_values select c1 from
aggregate_test_100 order
----
logical_plan
01)Dml: op=[Insert Into] table=[table_without_values]
-02)--Projection: aggregate_test_100.c1 AS c1
+02)--Projection: CAST(aggregate_test_100.c1 AS Utf8View) AS c1
03)----Sort: aggregate_test_100.c1 ASC NULLS LAST
04)------TableScan: aggregate_test_100 projection=[c1]
physical_plan
01)DataSinkExec: sink=ParquetSink(file_groups=[])
-02)--SortExec: expr=[c1@0 ASC NULLS LAST], preserve_partitioning=[false]
-03)----DataSourceExec: file_groups={1 group:
[[WORKSPACE_ROOT/testing/data/csv/aggregate_test_100.csv]]}, projection=[c1],
file_type=csv, has_header=true
+02)--CoalescePartitionsExec
Review Comment:
This is not related to this PR:
I am confused why we add CAST() for logic plan will cause the physical plan
change to add
02)--CoalescePartitionsExec
03)----ProjectionExec: expr=[CAST(c1@0 AS Utf8View) as c1]
04)------RepartitionExec: partitioning=RoundRobinBatch(8), input_partitions=1
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