DO $$
DECLARE
  m_cnt bigint;
BEGIN
  IF EXISTS (
    SELECT 1 FROM pg_class c
    INNER JOIN pg_namespace n ON n.oid = c.relnamespace
    WHERE c.relname = '{{.SequenceName}}'
      AND n.nspname = '{{.SchemaName}}'
      AND c.relkind = 'S'
  ) THEN
    SELECT COALESCE(MAX({{quote_ident .ColumnName}}), 0) + 1
    FROM {{qual_table .SchemaName .TableName}}
    INTO m_cnt;
    
    PERFORM setval('{{qual_table_raw .SchemaName .SequenceName}}'::regclass, m_cnt);
  END IF;
END;
$$;