|
public static TryParse ( string s, |
||
| s | string | |
| externalRef | ||
| return | bool | |
public IRoutine GetRoutine(ObjectName routineName)
{
IRoutine result;
if (!routinesCache.TryGet(routineName, out result))
{
var t = FindEntry(routineName);
if (t == null || t.RowCount == 0)
{
return(null);
}
var id = t.GetValue(0, 0);
var schemaName = t.GetValue(0, 1).Value.ToString();
var name = t.GetValue(0, 2).Value.ToString();
var fullName = new ObjectName(ObjectName.Parse(schemaName), name);
var t2 = GetParameters(id);
var parameters = CreateParameters(t2);
var routineType = t.GetValue(0, 3).Value.ToString();
var returnTypeString = t.GetValue(0, 6).Value.ToString();
var owner = t.GetValue(0, 7).Value.ToString();
RoutineInfo info;
SqlType returnType = null;
if (routineType == FunctionType ||
routineType == ExtrernalFunctionType)
{
returnType = transaction.Context.ResolveType(returnTypeString);
}
SqlStatement body = null;
ExternalRef externalRef = null;
if (routineType == FunctionType ||
routineType == ProcedureType)
{
var bodyBin = (SqlBinary)t.GetValue(0, 5).Value;
body = bodyBin.ToObject <PlSqlBlockStatement>();
}
else if (routineType == ExtrernalFunctionType ||
routineType == ExternalProcedureType)
{
var location = t.GetValue(0, 4).Value.ToString();
if (!ExternalRef.TryParse(location, out externalRef))
{
throw new InvalidOperationException(String.Format("The location stored for function '{0}' is invalid: {1}.",
routineName, location));
}
}
if (routineType == FunctionType)
{
info = new PlSqlFunctionInfo(fullName, parameters, returnType, body);
}
else if (routineType == ProcedureType)
{
info = new PlSqlProcedureInfo(fullName, parameters, body);
}
else if (routineType == ExtrernalFunctionType)
{
info = new ExternalFunctionInfo(fullName, parameters, returnType, externalRef);
}
else if (routineType == ExternalProcedureType)
{
info = new ExternalProcedureInfo(fullName, parameters, externalRef);
}
else
{
throw new InvalidOperationException(String.Format("Invalid routine type '{0}' found in database", routineType));
}
info.Owner = owner;
if (info is PlSqlFunctionInfo)
{
result = new PlSqlFunction((PlSqlFunctionInfo)info);
}
else if (info is PlSqlProcedureInfo)
{
result = new PlSqlProcedure((PlSqlProcedureInfo)info);
}
else if (info is ExternalFunctionInfo)
{
result = new ExternalFunction((ExternalFunctionInfo)info);
}
else
{
result = new ExternalProcedure((ExternalProcedureInfo)info);
}
routinesCache.Set(fullName, result);
}
return(result);
}
