private void CreateJoinExpressionForDefinedRelation(QueryBuildInfo buildInfo)
{
string typeFromAlias = buildInfo.GetAlias(TypeFrom);
IRelation relation = processor.GetRelation(TypeFrom, TypeTo);
if (relation == null)
{
relation = processor.GetRelation(TypeTo, TypeFrom);
}
if (relation != null)
{
Expr = JoinExpr.Build();
ICollection <RelationColumnMapping> tableColumnMappings = relation.TableColumnMappings;
int i = 0;
foreach (RelationColumnMapping mapping in tableColumnMappings)
{
if (i > 0)
{
Expr.And();
}
Expr.Field(TypeFrom, typeFromAlias, mapping.FromField);
Expr.Eq();
Expr.Field(TypeTo, TypeToAlias, mapping.ToField);
i++;
}
}
}
public string CreateSql(IDbLayer dbLayer, QueryBuildInfo buildInfo)
{
var aliases = buildInfo.GetAlias(EntityType);
if (!string.IsNullOrEmpty(aliases))
{
return(aliases + ".*");
}
return("*");
}