public static SchemaChangeEventArgs ParseSchemaChangeBody(ProtocolVersion protocolVersion, FrameReader reader)
{
var ce = new SchemaChangeEventArgs();
var changeTypeText = reader.ReadString();
SchemaChangeEventArgs.Reason changeType;
switch (changeTypeText)
{
case "UPDATED":
changeType = SchemaChangeEventArgs.Reason.Updated;
break;
case "DROPPED":
changeType = SchemaChangeEventArgs.Reason.Dropped;
break;
default:
changeType = SchemaChangeEventArgs.Reason.Created;
break;
}
ce.What = changeType;
if (!protocolVersion.SupportsSchemaChangeFullMetadata())
{
//protocol v1 and v2: <change_type><keyspace><table>
ce.Keyspace = reader.ReadString();
ce.Table = reader.ReadString();
return(ce);
}
//protocol v3+: <change_type><target><options>
var target = reader.ReadString();
ce.Keyspace = reader.ReadString();
switch (target)
{
case "TABLE":
ce.Table = reader.ReadString();
break;
case "TYPE":
ce.Type = reader.ReadString();
break;
case "FUNCTION":
ce.FunctionName = reader.ReadString();
ce.Signature = reader.ReadStringList();
break;
case "AGGREGATE":
ce.AggregateName = reader.ReadString();
ce.Signature = reader.ReadStringList();
break;
}
return(ce);
}
