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HomeDatabaseMysql Tutorialmysql下,怎么利用数据表来实现多个序列的存储及递增

mysql下,怎么利用数据表来实现多个序列的存储及递增

Jun 07, 2016 pm 04:25 PM
mysqluseMultiplestorageaccomplishsequencehowdata sheetIncrement

mysql下,如何利用数据表来实现多个序列的存储及递增 ? ? CREATE TABLE `sequence` ( `seq_val` int(11) NOT NULL AUTO_INCREMENT COMMENT '序列id', `seq_name` varchar(128) NOT NULL DEFAULT '' COMMENT '序列名称', PRIMARY KEY (`seq_name`,`seq_val`),

mysql下,如何利用数据表来实现多个序列的存储及递增

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CREATE TABLE `sequence` (
  `seq_val` int(11) NOT NULL AUTO_INCREMENT COMMENT '序列id',
  `seq_name` varchar(128) NOT NULL DEFAULT '' COMMENT '序列名称',
  PRIMARY KEY (`seq_name`,`seq_val`),
  UNIQUE KEY `idx_seqname` (`seq_name`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8

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public interfaceSequenceDao {
      @Insert("replace into wm_sequence(seq_name) values(#{seq_name})")
      @Options(useGeneratedKeys = true,keyProperty="seq_val")
      public void getSeqidByName(WmSequence seq);
}

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