Deveel.Data.Sql.Sequences.SequenceManager.SequenceExists C# (CSharp) Method

        public bool SequenceExists(ObjectName sequenceName)
        {
            // If the Sequence or SequenceInfo tables don't exist then
            // we can't create the sequence generator
            if (!Transaction.TableExists(SequenceTableName) ||
                !Transaction.TableExists(SequenceInfoTableName)) {
                throw new Exception("System sequence tables do not exist.");
            }

            // The SEQUENCE and SEQUENCE_INFO table
            var seq = Transaction.GetMutableTable(SequenceTableName);
            var seqi = Transaction.GetMutableTable(SequenceInfoTableName);

            return seqi.SelectRowsEqual(1, Field.VarChar(sequenceName.ParentName), 2, Field.VarChar(sequenceName.Name)).Any();
        }