我有一个动态查询数组,示例:-
arrQueries=["update table1 set field1='val1',field2='val2' where
id=5;","update table1 set field3='val3',field4='val4' where id=10;" ];
如何通过循环数组来运行事务?
最佳答案
我使用了node-mysql-transaction
var transaction = require('node-mysql-transaction');
var trCon = transaction({connection: [mysql.createConnection, {
// mysql connection config
user: ...,
password: ...,
database:...,
host:..
}], dynamicConnection: 32, timeout: 600});
arrQueries=["update table1 set field1='val1',field2='val2' where
id=5;","update table1 set field3='val3',field4='val4' where id=10;" ];
var chain = trCon.chain();
chain.
on('commit', function () {
console.log('commit');
return res.send("commit");
}).
on('rollback', function (err) {
console.log('rollback');
return res.send("rollback");
});
for (var i = 0; i < arrQueries.length; i += 1) {
chain.query(arrQueries[i]);
}
关于mysql - 如何运行动态查询数组的事务,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/45286389/