public AstSetWindowFieldsStage(
AstExpression partitionBy,
AstSortFields sortBy,
IEnumerable <AstWindowField> output)
{
_partitionBy = Ensure.IsNotNull(partitionBy, nameof(partitionBy));
_sortBy = sortBy;
_output = Ensure.IsNotNull(output, nameof(output)).AsReadOnlyList();
}
public AstSetWindowFieldsStage Update(
AstExpression partitionBy,
AstSortFields sortBy,
IEnumerable <AstWindowField> output)
{
if (partitionBy == _partitionBy && sortBy == _sortBy && output == _output)
{
return(this);
}
return(new AstSetWindowFieldsStage(partitionBy, sortBy, output));
}
public AstSortStage(AstSortFields fields)
{
_fields = Ensure.IsNotNull(fields, nameof(fields));
}
