[GitHub] [arrow-datafusion] jiangzhx commented on issue #5444: Expr.alias function not work with count aggregation

["jiangzhx (via GitHub)" <gi...@apache.org>]

jiangzhx commented on issue #5444:
URL: https://github.com/apache/arrow-datafusion/issues/5444#issuecomment-1451282864

    more info,difference data file has difference physical plan
   
   alltypes_plain.parquet   work well.
   ```
   AggregateExec: mode=Final, gby=[], aggr=[id, tinyint_col, smallint_col, int_col, bigint_col, float_col, double_col, date_string_col, string_col, timestamp_col]
     AggregateExec: mode=Partial, gby=[], aggr=[id, tinyint_col, smallint_col, int_col, bigint_col, float_col, double_col, date_string_col, string_col, timestamp_col]
       ParquetExec: limit=None, partitions={1 group: [[Users/sylar/workspace/opensource/arrow-datafusion/parquet-testing/data/alltypes_plain.parquet]]}, projection=[id, tinyint_col, smallint_col, int_col, bigint_col, float_col, double_col, date_string_col, string_col, timestamp_col]
   
   ```
   
   
   alltypes_tiny_pages.parquet not right.
   ```
   ProjectionExec: expr=[7300 as COUNT(id), 7300 as COUNT(tinyint_col), 7300 as COUNT(smallint_col), 7300 as COUNT(int_col), 7300 as COUNT(bigint_col), 7300 as COUNT(float_col), 7300 as COUNT(double_col), 7300 as COUNT(date_string_col), 7300 as COUNT(string_col), 7300 as COUNT(timestamp_col), 7300 as COUNT(year), 7300 as COUNT(month)]
     EmptyExec: produce_one_row=true
   
   ```


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