public QueryField GetOrCreateQueryField(ColumnReferenceExpression columnReference,
bool isRepresentation, SelectPart selectPart)
{
var queryRoot = queryEntityRegistry.Get(columnReference.Table);
if (!isRepresentation && selectPart == SelectPart.GroupBy)
{
QueryField fieldWithFunction;
var keyWithFunction = columnReference.Name + "." + true;
if (queryRoot.fields.TryGetValue(keyWithFunction, out fieldWithFunction))
{
if (fieldWithFunction.parts.Contains(SelectPart.Select))
{
isRepresentation = true;
}
}
}
var key = columnReference.Name + "." + isRepresentation;
QueryField field;
if (!queryRoot.fields.TryGetValue(key, out field))
{
var propertyNames = columnReference.Name.Split('.');
var subqueryRequired = propertyNames.Length > 1;
var needInvert = false;
if (propertyNames[propertyNames.Length - 1].EqualsIgnoringCase("ЭтоГруппа"))
{
needInvert = true;
subqueryRequired = true;
}
var propertiesEnumerator = new PropertiesEnumerator(propertyNames, queryRoot, this);
var referencedProperties = propertiesEnumerator.Enumerate();
if (isRepresentation)
{
if (ReplaceWithRepresentation(referencedProperties))
{
subqueryRequired = true;
}
}
string fieldAlias = null;
if (subqueryRequired)
{
queryRoot.subqueryRequired = true;
fieldAlias = nameGenerator.GenerateColumnName();
}
foreach (var p in referencedProperties)
{
p.referenced = true;
}
field = new QueryField(fieldAlias, referencedProperties.ToArray(), needInvert);
queryRoot.fields.Add(key, field);
}
if (!field.parts.Contains(selectPart))
{
field.parts.Add(selectPart);
}
return(field);
}
public List <QueryEntityProperty> GetProperties(QueryRoot queryRoot, string[] propertyNames)
{
var enumerator = new PropertiesEnumerator(propertyNames, queryRoot, this);
return(enumerator.Enumerate());
}