the koa + sequelize, used will leave new sequelize, as soon as it enters the project. It"s normal locally, but it won"t work online. It"s always adjusted for the first time, and it will make mistakes later. Later, it will be changed to go to new sequelize every time you receive a request, so it"s normal. Beginners don"t understand the reasons. Ask for advice
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at present, if you encounter such a problem of using mysql, first describe the scenario (some simplifications have been made to facilitate the answer): now there are two machines that use the same database account and access and operate a mysql addres...
problem description uses node.js s ORM framework Sequelize to operate the database, defines the model model through sequelize.define () , and then sets the data type of the column data field to DataType to Sequelize.JSON,. After setting it to sequ...