在 MySQL 5.6.22(特别是在 Amazon RDS 上运行)中,我曾经在一个表上有一个全文索引。此后,我放弃了该索引,转而使用 sphinxsearch。数据库上的任何表都不再有全文索引。
当我现在尝试执行在线 DDL,例如将 tinyint 列添加到具有 LOCK=NONE 的表中时,我收到此错误:
InnoDB 目前支持一次创建一个 FULLTEXT 索引。尝试锁定=共享。
但是,任何地方都没有全文索引。我什至尝试在 Amazon 中创建一个只读副本,希望数据库的重建能够解决这个问题,并且在那里我得到了同样的错误。
我错过了一些明显的东西吗?
显示创建表:
CREATE TABLE `pages` (
`ID` char(64) CHARACTER SET latin1 NOT NULL,
`auto_id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
`siteID` bigint(20) unsigned NOT NULL,
`recordingID` char(64) DEFAULT NULL,
`dateCreated` datetime DEFAULT NULL,
`ip` char(46) CHARACTER SET latin1 DEFAULT NULL,
`referrer` text CHARACTER SET latin1,
`referrer_client` char(50) DEFAULT NULL,
`referrer_from` char(255) DEFAULT NULL,
`referrer_type` char(50) DEFAULT NULL,
`referrer_network` char(50) DEFAULT NULL,
`referrer_link` char(255) DEFAULT NULL,
`campaign_source` char(50) DEFAULT NULL,
`campaign_medium` char(32) DEFAULT NULL,
`campaign_campaign` char(75) DEFAULT NULL,
`url` char(255) CHARACTER SET latin1 DEFAULT NULL,
`keywords` char(100) CHARACTER SET latin1 DEFAULT NULL,
`source` char(128) CHARACTER SET latin1 DEFAULT NULL,
`os` char(30) CHARACTER SET latin1 DEFAULT NULL,
`browser` char(30) CHARACTER SET latin1 DEFAULT NULL,
`user_agent` char(255) CHARACTER SET latin1 DEFAULT NULL,
`agentFamily` char(50) DEFAULT NULL,
`is_phone` tinyint(1) DEFAULT '0',
`is_tablet` tinyint(1) DEFAULT '0',
`is_desktop` tinyint(1) DEFAULT '0',
`tags` char(255) CHARACTER SET latin1 DEFAULT NULL,
`device` char(65) DEFAULT NULL,
`last_event_time` datetime DEFAULT NULL,
`view_width` int(11) DEFAULT NULL,
`view_height` int(11) DEFAULT NULL,
`browser_width` int(11) DEFAULT NULL,
`browser_height` int(11) DEFAULT NULL,
`optimizely_experiments` char(255) CHARACTER SET latin1 DEFAULT NULL,
`optimizely_variations` char(255) CHARACTER SET latin1 DEFAULT NULL,
`is_paid` tinyint(1) DEFAULT '0',
`typed` tinyint(1) DEFAULT '0',
`organization` char(255) CHARACTER SET latin1 DEFAULT NULL,
`country` char(75) CHARACTER SET latin1 DEFAULT NULL,
`city` char(128) CHARACTER SET latin1 DEFAULT NULL,
`region` char(10) DEFAULT NULL,
`regionName` char(64) DEFAULT NULL,
`country_code2` char(2) CHARACTER SET latin1 DEFAULT NULL,
`postal` char(32) CHARACTER SET latin1 DEFAULT NULL,
`latitude` char(30) DEFAULT NULL,
`longitude` char(30) DEFAULT NULL,
`custom_data` text CHARACTER SET latin1,
`notes` text CHARACTER SET latin1,
`title` char(255) DEFAULT NULL,
`has_dom_tree` tinyint(1) DEFAULT '0',
`time` int(11) DEFAULT NULL,
PRIMARY KEY (`auto_id`),
UNIQUE KEY `pageid` (`ID`),
KEY `siteID` (`siteID`),
KEY `dateCreated` (`dateCreated`),
KEY `recordingID` (`recordingID`),
KEY `siteID_url` (`siteID`,`url`)
) ENGINE=InnoDB AUTO_INCREMENT=90042803 DEFAULT CHARSET=utf8
简单的改变
ALTER TABLE `pages`
ADD COLUMN `is_ppc` TINYINT(1) , LOCK=NONE
错误
Error Code: 1846
LOCK=NONE is not supported. Reason: InnoDB presently supports one FULLTEXT index creation at a time. Try LOCK=SHARED.