cri*_*eys 5 mysql amazon-rds mysql-5.6
在 MySQL 5.6.22(特别是在 Amazon RDS 上运行)中,我曾经有一个表的全文索引。从那以后,我放弃了该索引,转而使用 sphinxsearch。数据库中的任何表都不再有全文索引。
当我现在尝试执行在线 DDL 时,例如将 tinyint 列添加到 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,但我在那里遇到了同样的错误。
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
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简单的改变
ALTER TABLE `pages`
ADD COLUMN `is_ppc` TINYINT(1) , LOCK=NONE
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错误
Error Code: 1846
LOCK=NONE is not supported. Reason: InnoDB presently supports one FULLTEXT index creation at a time. Try LOCK=SHARED.
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没有解决办法。这两种解决方法包括:
LOCK = SHARED-- 两者都不符合“无锁”的标准。
我建议在MySQL bug tracker提交一份报告。与此同时,这是一个对我来说也失败的测试用例:
drop table IF EXISTS so28666643a;
CREATE TABLE so28666643a (ai INT AUTO_INCREMENT PRIMARY KEY,
txt TEXT NOT NULL ) ENGINE=InnoDB;
ALTER TABLE so28666643a ADD COLUMN x TINYINT, LOCK=NONE; -- works OK
drop table so28666643a;
CREATE TABLE so28666643a (ai INT AUTO_INCREMENT PRIMARY KEY,
txt TEXT NOT NULL ) ENGINE=InnoDB; -- same
ALTER TABLE so28666643a ADD FULLTEXT(txt);
ALTER TABLE so28666643a DROP INDEX txt;
ALTER TABLE so28666643a ADD COLUMN x TINYINT, LOCK=NONE; -- fails with strange message:
ERROR 1846 (0A000): LOCK=NONE is not supported.
Reason: InnoDB presently supports one FULLTEXT index creation at a time.
Try LOCK=SHARED.
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编辑:感谢您的错误报告。
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