text: const OR = 'OR',
      STAR = '*',
      COMMA = ',',
      AND = 'AND',
      ASC = 'ASC',
      IN = 'IN (?)',
      DESC = 'DESC',
      LIKE = 'LIKE',
      NULL = 'NULL',
      POINT = 'POINT',
      EQUAL_TO = '=',
      WHERE = 'WHERE',
      LESS_THAN = '<',
      LIMIT = 'LIMIT',
      OFFSET = 'OFFSET',
      COUNT = 'COUNT(*)',
      GREATER_THAN = '>',
      NOT_EQUAL_TO = '<>',
      CASCADE = 'CASCADE',
      BETWEEN = 'BETWEEN',
      QUESTION_MARK = '?',
      SET_NULL = 'SET NULL',
      RESTRICT = 'RESTRICT',
      ORDER_BY = 'ORDER BY',
      NOT_NULL = 'NOT NULL',
      NO_ACTION = 'NO ACTION',
      DOUBLE_QUESTION_MARK = '??',
      IS_NOT_NULL = 'IS NOT NULL',
      LESS_THAN_OR_EQUAL_TO = '<=',
      IF_NOT_EXISTS = 'IF NOT EXISTS',
      GREATER_THAN_OR_EQUAL_TO = '>=',
      AUTO_INCREMENT = 'AUTO_INCREMENT';
  
  let int = 'int',
      Enum = 'enum',
      char = 'char',  // 0 - 255
      date = 'date',  // 2022-03-20
      time = 'time',  // 23:55:54
      BOOLEAN = 'boolean',
      varchar = 'varchar',
      datetime = 'datetime';  // 2022-03-20 20:32:42
  
  module.exports = {
  
      OR: OR,
      IN: IN,
      AND: AND,
      ASC: ASC,
      STAR: STAR,
      NULL: NULL,
      DESC: DESC,
      LIKE: LIKE,
      COMMA: COMMA,
      WHERE: WHERE,
      LIMIT: LIMIT,
      COUNT: COUNT,
      POINT: POINT,
      OFFSET: OFFSET,
      CASCADE: CASCADE,
      BETWEEN: BETWEEN,
      SET_NULL: SET_NULL,
      RESTRICT: RESTRICT,
      NOT_NULL: NOT_NULL,
      ORDER_BY: ORDER_BY,
      EQUAL_TO: EQUAL_TO,
      LESS_THAN: LESS_THAN,
      NO_ACTION: NO_ACTION,
      IS_NOT_NULL: IS_NOT_NULL,
      NOT_EQUAL_TO: NOT_EQUAL_TO,
      GREATER_THAN: GREATER_THAN,
      IF_NOT_EXISTS: IF_NOT_EXISTS,
      QUESTION_MARK: QUESTION_MARK,
      AUTO_INCREMENT: AUTO_INCREMENT,
      DOUBLE_QUESTION_MARK: DOUBLE_QUESTION_MARK,
      LESS_THAN_OR_EQUAL_TO: LESS_THAN_OR_EQUAL_TO,
      GREATER_THAN_OR_EQUAL_TO: GREATER_THAN_OR_EQUAL_TO,
  
  
      int: int,
      date: date,
      time: time,
      char: char,
      Enum: Enum,
      BOOLEAN: BOOLEAN,
      varchar: varchar,
      datetime: datetime
  
  }
  