How to implement transaction in knex if functions are used? util.insert calls knex on table2 and similarly util.mark.
knex('tab1').where({ col1: 'val1' }).update({ col2: 'val2'}).returning('col3').then(function(result1) {
if (result1 != 0) {
var data2 = {
"key": "value"
};
util.insert(data1, function(err1, data2) {
if (err1) {
cb(err1);
return;
}
util.mark(data2, function(err2, data3) {
if (err2) {
cb(err2);
return;
}
cb(null, true);
return;
});
});
} else {
cb(null, false);
}
})
