public void ValidatePositionals(ExprValidationContext validationContext)
{
ExprAggregateNodeParamDesc paramDesc = ExprAggregateNodeUtil.GetValidatePositionalParams(ChildNodes, true);
if (validationContext.StatementRawInfo.StatementType == StatementType.CREATE_TABLE &&
(paramDesc.OptLocalGroupBy != null || paramDesc.OptionalFilter != null)) {
throw new ExprValidationException(
"The 'group_by' and 'filter' parameter is not allowed in create-table statements");
}
optionalAggregateLocalGroupByDesc = paramDesc.OptLocalGroupBy;
optionalFilter = paramDesc.OptionalFilter;
if (optionalAggregateLocalGroupByDesc != null) {
ExprNodeUtilityValidate.ValidateNoSpecialsGroupByExpressions(
optionalAggregateLocalGroupByDesc.PartitionExpressions);
}
if (optionalFilter != null) {
ExprNodeUtilityValidate.ValidateNoSpecialsGroupByExpressions(new[] {optionalFilter});
}
if (optionalFilter != null && IsFilterExpressionAsLastParameter) {
if (paramDesc.PositionalParams.Length > 1) {
throw new ExprValidationException("Only a single filter expression can be provided");
}
positionalParams = ExprNodeUtilityMake.AddExpression(paramDesc.PositionalParams, optionalFilter);
}
else {
positionalParams = paramDesc.PositionalParams;
}
}