我正在使用MySQL 5.7.12，这是我的查询。
select objectid, (JSON_EXTRACT(fullobject, '$.mail')) as mail from openidm.managedobjects where objecttypes_id=5 and (JSON_EXTRACT(fullobject, '$.mail'))='[email protected]';
这是输出
--------------------------------------------------
| objectid | mail |
--------------------------------------------------
| 001f73d9-f3d | "[email protected]" |
--------------------------------------------------
我想从输出中删除引号，但因为我使用的是5.7.12，所以我无法使用JSON_UNQUOTE()。
我试过qazxsw poi：
REPLACE()但输出完全不相关：
select objectid, REPLACE((JSON_EXTRACT(fullobject, '$.mail')), '\"', '') as mail from openidm.managedobjects where objecttypes_id=5 and (JSON_EXTRACT(fullobject, '$.mail'))='[email protected]';
编辑
这是我的----------------------------------------------------------------------------
| objectid | mail |
----------------------------------------------------------------------------
| 001f73d9-f3d | 6C75632E6170617369383840676D61696C2E636F6D |
----------------------------------------------------------------------------
show create table openidm.managedobjects;这是CREATE TABLE `managedobjects` (
`id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
`objecttypes_id` bigint(20) unsigned NOT NULL,
`objectid` varchar(255) COLLATE utf8_bin NOT NULL,
`rev` varchar(38) COLLATE utf8_bin NOT NULL,
`fullobject` mediumtext COLLATE utf8_bin,
PRIMARY KEY (`id`),
UNIQUE KEY `idx-managedobjects_object` (`objecttypes_id`,`objectid`),
KEY `fk_managedobjects_objectypes` (`objecttypes_id`),
CONSTRAINT `fk_managedobjects_objectypes` FOREIGN KEY (`objecttypes_id`) REFERENCES `objecttypes` (`id`) ON DELETE CASCADE ON UPDATE NO ACTION
) ENGINE=InnoDB AUTO_INCREMENT=445311 DEFAULT CHARSET=utf8 COLLATE=utf8_bin
json：
fullobject您可以像这样使用{"telephoneNumber":"077777777","mail":"[email protected]","msisdnVerified":"true","countryCode":"+44","opCoProfileId":"MSISDN","opCo":"3UK","userName":"077777777","partyID":"777777777","accountStatus":"active","creationDate":"Wed Jan 24 2018 11:33:02 GMT+0100 (CET)","_id":"001f73d9-f3d","_rev":"3","global_id":"001f73d9-f3d","CRSMID":"50000048","migrated":"false","mailVerified":"true","mailVerifiedDate":"Wed Jan 24 2018 11:33:03 GMT+0100 (CET)","dateOfBirth":"1988-02-02","password":{"$crypto":{"type":"x-simple-encryption","value":{"cipher":"AES/CBC/PKCS5Padding","salt":"1P3TMv71pASuLkyVLFNnEA==","data":"iyj/h0fMU6aiTTBLL/Bb2w==","iv":"gQ6a5cAJYrtek5vcX8+mfw==","key":"openidm-sym-default","mac":"ntv0yTBDzCb0n8kvW4UklQ=="}}}}
函数：
trim()
编辑使用qazxsw poi而不是qazxsw poi，检查这个qazxsw poi
我猜这个错误与连接器驱动程序有关。我正在使用SQL Developer的mysql-connector-java-5.1.45。仍然没有找到一个解决方案（尝试了另一个版本），但直接在mysql服务器上进行替换它的工作原理。