private void InterpretFunctionIdentifier(FunctionIdentifier fi)
{
var fn = fi.FunctionName;
if (fn != null)
{
DatasetName = null;
DatabaseName = null;
SchemaName = null;
DatabaseObjectName = null;
systemFunctionName = fn.Value;
isUdf = false;
}
else
{
var udfi = fi.UdfIdentifier;
if (udfi != null)
{
var ds = udfi.FindDescendant <DatasetName>();
DatasetName = (ds != null) ? Util.RemoveIdentifierQuotes(ds.Value) : null;
var dbn = udfi.FindDescendant <DatabaseName>();
DatabaseName = (dbn != null) ? Util.RemoveIdentifierQuotes(dbn.Value) : null;
var sn = udfi.FindDescendant <SchemaName>();
SchemaName = (sn != null) ? Util.RemoveIdentifierQuotes(sn.Value) : null;
var tn = udfi.FindDescendant <FunctionName>();
DatabaseObjectName = (tn != null) ? Util.RemoveIdentifierQuotes(tn.Value) : null;
systemFunctionName = null;
isUdf = true;
}
else
{
throw new InvalidOperationException(); // *** TODO
}
}
}
public FunctionReference(FunctionIdentifier fi)
{
InitializeMembers();
InterpretFunctionIdentifier(fi);
}
private void InterpretFunctionIdentifier(FunctionIdentifier fi)
{
var fn = fi.FunctionName;
if (fn != null)
{
datasetName = null;
databaseName = null;
schemaName = null;
databaseObjectName = null;
systemFunctionName = fn.Value;
isUdf = false;
}
else
{
var udfi = fi.UdfIdentifier;
if (udfi != null)
{
var ds = udfi.FindDescendant<DatasetName>();
datasetName = (ds != null) ? Util.RemoveIdentifierQuotes(ds.Value) : null;
var dbn = udfi.FindDescendant<DatabaseName>();
databaseName = (dbn != null) ? Util.RemoveIdentifierQuotes(dbn.Value) : null;
var sn = udfi.FindDescendant<SchemaName>();
schemaName = (sn != null) ? Util.RemoveIdentifierQuotes(sn.Value) : null;
var tn = udfi.FindDescendant<FunctionName>();
databaseObjectName = (tn != null) ? Util.RemoveIdentifierQuotes(tn.Value) : null;
systemFunctionName = null;
isUdf = true;
}
else
{
throw new InvalidOperationException(); // *** TODO
}
}
}
public FunctionReference(FunctionIdentifier fi)
{
InitializeMembers();
InterpretFunctionIdentifier(fi);
}
public abstract bool WriteFunctionIdentifier(FunctionIdentifier node);
public virtual void WriteFunctionIdentifier(FunctionIdentifier node)
{
if (resolveNames)
{
Writer.Write(GetResolvedFunctionName(node.FunctionReference));
}
else
{
// Fall back to original behavior
base.WriteNode(node);
}
}