public static IColumn VisitSelectElement(SelectElementContext context)
{
switch (context)
{
case SelectColumnElementContext selectColumnElementContext:
return(new PropertyColumn
{
Name = IdentifierUtility.Parse(selectColumnElementContext.fullColumnName().GetText()),
Alias = IdentifierUtility.Unescape(selectColumnElementContext.alias?.GetText()),
});
case SelectFunctionElementContext selectFunctionElementContext:
{
if (selectFunctionElementContext.builtInFunctionCall() is CountFunctionCallContext)
{
return new CountFunctionColumn
{
Alias = IdentifierUtility.Unescape(selectFunctionElementContext.alias?.GetText()),
}
}
;
return(VisitorHelper.ThrowNotSupportedFeature <IColumn>("Select Element Function"));
}
case SelectExpressionElementContext _:
return(VisitorHelper.ThrowNotSupportedFeature <IColumn>("Select Element Expression"));
}
return(VisitorHelper.ThrowNotSupportedContext <IColumn>(context));
}
public static ITableSource VisitTableSourceBase(TableSourceItemContext context)
{
IPart[] identifiers = IdentifierUtility.Parse(context.tableName().GetText());
ValidateTableWithIndexName(identifiers);
return(new AtomTableSource(
identifiers[0].ToString(),
identifiers.Length == 2 ? identifiers[1].ToString() : string.Empty
));
}
public virtual QsiQualifiedIdentifier VisitFunction(Function function)
{
return(new(IdentifierUtility.Parse(function.getName())));
}
public virtual QsiQualifiedIdentifier VisitNextValExpression(NextValExpression expression)
{
return(new(IdentifierUtility.Parse(expression.getName())));
}
public virtual QsiQualifiedIdentifier VisitMultiPartName(MultiPartName name)
{
return(new(IdentifierUtility.Parse(name.getFullyQualifiedName())));
}