public JoinOperatorConcept()
{
TableReference = new TableConcept()
{
Parent = this
};
Predicate = new WhereConcept()
{
Parent = this
};
}
public IEnumerable <ISyntaxNode> Scope(ISyntaxNode concept, string propertyName)
{
List <ISyntaxNode> scope = new List <ISyntaxNode>();
if (!(concept.Ancestor <SelectConcept>() is SelectConcept select))
{
return(scope);
}
if (select.FROM == null)
{
return(scope);
}
if (select.FROM.Expressions == null)
{
return(scope);
}
if (select.FROM.Expressions.Count == 0)
{
return(scope);
}
foreach (var expression in select.FROM.Expressions)
{
TableConcept table = null;
if (expression is TableConcept)
{
table = (TableConcept)expression;
}
else if (expression is JoinOperatorConcept)
{
table = ((JoinOperatorConcept)expression).TableReference;
}
if (table == null)
{
continue;
}
if (table.TableDefinition == null)
{
continue;
}
foreach (PropertyInfo property in table.TableDefinition.GetProperties())
{
scope.Add(new ColumnConcept()
{
Parent = concept,
Name = property.Name,
TableReference = table
});
}
}
return(scope);
}