protected IQuery ParseComplexQuery(QueryType type, object query, IEnumerable <object> parms)
{
IQuery outputQuery = null;
// We always want to parse the parameters. But if the thing passed to us as "query" is not a string, then
// just assume that all the parms are option type parameters and don't pass a query to ParameterParser
string querySource = query is string?
(string)query:
"";
ParameterParser pp = new ParameterParser(querySource, parms);
CopyDbOptions(pp);
if (Utils.IsNumericType(query))
{
// It's a single numeric value - assume it's a primary key
ExpectNoParameters(pp.Parameters);
var classInfo = IQ.GetClassInfo <T>();
ISqlQuery queryPK = classInfo.Query(type);
queryPK.AddWhereParam(classInfo.PrimaryKey.Name, query);
outputQuery = queryPK;
}
else if (query is string)
{
bool isMappable = Utils.IsMappableClass <T>();
// First check if its a single named field
if (isMappable)
{
var classInfo = IQ.GetClassInfo <T>();
// Try to create a valid raw query.. if it's not valid, assume it's a where
if (pp.QueryType == QueryType.Invalid)
{
ISqlQuery queryPK = classInfo.Query(type);
queryPK.AddWhere(pp.Query);
queryPK.AddParameter(pp.Parameters);
outputQuery = queryPK;
}
else
{
outputQuery = pp.GetIQuery();
}
}
else
{
// it's mapped to a primitive type -
outputQuery = pp.GetIQuery();
}
}
if (outputQuery.QueryType != type)
{
throw new IQException("Wrong type of query passed to method: was " + outputQuery.ToString() + ", expected " + type.ToString());
}
return(outputQuery);
}