internal static ProjectedColumns ProjectColumns(Func <Expression, bool> fnCanBeColumn, Expression expression, string newAlias, TextWriter logger, params string[] existingAliases)
{
ColumnProjector projector = new ColumnProjector(fnCanBeColumn, expression, newAlias, logger, existingAliases);
Expression expr = projector.Visit(expression);
return(new ProjectedColumns(expr, projector.columns.AsReadOnly()));
}
private ProjectedColumns ProjectColumns(Expression expression, string newAlias, params string[] existingAliases)
{
return(ColumnProjector.ProjectColumns(this.CanBeColumn, expression, newAlias, Logger, existingAliases));
}
