guixiaowen opened a new issue, #2090:
URL: https://github.com/apache/auron/issues/2090
**Spark sql demoļ¼**
select /*+ COALESCE(1) */ a, '123' from
bigdata_qa.huohun_record_text_v3_2223444
**Physical Plan**
Coalesce 1
+- NativeProjectExec [a#0, 123 AS 123#2]
+- InputAdapter [#0]
+- NativeOrcScan bigdata_qa.huohun_record_text_v3_2223444 (FileScan
orc bigdata_qa.huohun_record_text_v3_2223444[a#0] Batched: true, DataFilters:
[], Format: ORC, Location: InMemoryFileIndex(1
paths)[hdfs://DClusterNmg8/user/prod_bigdata_qa/bigdata_qa/hive/bigdata_qa/ns...,
PartitionFilters: [], PushedFilters: [], ReadSchema: struct<a:string>)
Convert CoalesceExec to native implementation.
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