A comma-separated list of columns that the result set will be grouped by.

Syntax

Select-Parquet -GroupBy string

Remarks

The comma-separated list of columns to aggregate the values of and execute a summary function over. Specify the summary function in the Columns parameter with the same syntax you would use for an SQL statement. For example:

Select-Parquet -Connection $conn -Table SampleTable_1 -Columns @("Column1","SUM(AnnualRevenue)") -GroupBy "Column1" -Where "Column2 = 'Bob'"