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CREATE TABLE IF NOT EXISTS king_article_merge(
`id` BIGINT(20) UNSIGNED NOT NULL COMMENT '新闻ID',
`channel` INT(10) UNSIGNED NOT NULL COMMENT '频道ID',
`date` DATETIME NOT NULL COMMENT '日期',
UNIQUE KEY(channel,id),
INDEX(`date`)
)ENGINE=MRG_MYISAM DEFAULT CHARSET=utf8 INSERT_METHOD=LAST AUTO_INCREMENT=1 UNION=(`king_article_today`,`king_article_yesterday`);
Error Code: 1168. Unable to open underlying table which is differently defined or of non-MyISAM type or doesn't exist