Node.js sequelize cli db:migrate";挂起;向新添加的列添加检查约束
我有以下迁移文件:Node.js sequelize cli db:migrate";挂起;向新添加的列添加检查约束,node.js,postgresql,sequelize.js,sequelize-cli,Node.js,Postgresql,Sequelize.js,Sequelize Cli,我有以下迁移文件: 'use strict'; module.exports = { up: (queryInterface, Sequelize) => { return queryInterface.sequelize.transaction(t => { return queryInterface.addColumn('Vendors', 'status', Sequelize.STRING(30), { transaction
'use strict';
module.exports = {
up: (queryInterface, Sequelize) => {
return queryInterface.sequelize.transaction(t => {
return queryInterface.addColumn('Vendors', 'status', Sequelize.STRING(30), { transaction: t }).then(() => {
console.log("Created column..."); // this prints
return queryInterface.addConstraint('Vendors', ['status'], {
type: 'check',
name: 'Vendors_status_check',
where: {
status: ['UNAPPROVED', 'SUBMITTED_FOR_APPROVAL', 'APPROVED', 'SUSPENDED']
},
}, { transaction: t });
}).catch(err => {
console.log("Error::", err);
});
});
},
down: (queryInterface, Sequelize) => {
return queryInterface.sequelize.transaction(t => {
// return queryInterface.removeColumn('Vendors', 'status', { transaction: t });
return queryInterface.removeConstraint('Vendors', 'Vendors_status_check', { transaction: t }).then(() => {
return queryInterface.removeColumn('Vendors', 'status', { transaction: t });
});
})
}
};
当我运行sequelize cli db:migrate
时,我得到以下输出&然后命令只是“挂起”:从不完成,从不出错:
Sequelize CLI [Node: 12.14.1, CLI: 5.5.1, ORM: 5.21.3]
Loaded configuration file "config\sequelize_config.js".
Using environment "development".
== 20200224080020-vendor-status: migrating =======
Created column...
如果我完全注释掉queryInterface.addConstraint
,命令将完成并将状态列添加到Vendors
表中。在PostgresQL上运行此迁移,如果这有什么不同的话
根据,我尝试添加方言选项:{ssl:true}
来对配置进行续集,但除了一个弃用警告之外没有其他效果
更新1
FWIW,运行以下代码(即,没有事务)按预期工作:
return queryInterface.addColumn('Vendors', 'status', {type: Sequelize.STRING(30)}/* , { transaction: t } */).then(() => {
console.log("Created column..."); // this prints
return queryInterface.addConstraint('Vendors', ['status'], {
type: 'check',
name: 'Vendors_status_check',
where: {
status: ['UNAPPROVED', 'SUBMITTED_FOR_APPROVAL', 'APPROVED', 'SUSPENDED']
},
}/* , { transaction: t } */);
}).catch(err => {
console.log("Error::", err);
});
它可能在等一把锁。检查来自不同连接的
pg\u stat\u activity()
,以验证是否正确。嗯。。。这是一个开发数据库&除了我正在运行的代码之外,没有其他针对它的活动。但是,它在没有事务的情况下也可以工作。OTOH,在发布这个问题之前,我已经尝试了几个小时的小变化…@a_horse_和_no_name我知道了什么是pg_stat_activity()
(PostgresQL的新功能),并且我可以看出,没有活动的连接。@markvgti你知道了吗?@Prof不记得了