ghost
Version:
The professional publishing platform
45 lines (38 loc) • 1.41 kB
JavaScript
const logging = require('../../../../../shared/logging');
const table = 'posts';
const columnNameOld = 'amp';
const columnNameNew = 'comment_id';
const message1 = `Renaming column ${columnNameOld} to ${columnNameNew}`;
const message2 = `Rollback: Renaming column ${columnNameNew} to ${columnNameOld}`;
const message3 = `Renamed column ${columnNameOld} to ${columnNameNew}`;
const message4 = `Rollback: Renamed column ${columnNameNew} to ${columnNameOld}`;
module.exports.up = (options) => {
const connection = options.connection;
logging.info(message1);
return connection.schema.hasColumn(table, columnNameOld)
.then((exists) => {
if (exists) {
return connection.schema.table(table, function (t) {
t.renameColumn(columnNameOld, columnNameNew);
});
}
})
.then(() => {
logging.info(message3);
});
};
module.exports.down = (options) => {
let connection = options.connection;
logging.warn(message2);
return connection.schema.hasColumn(table, columnNameNew)
.then((exists) => {
if (exists) {
return connection.schema.table(table, function (t) {
t.renameColumn(columnNameNew, columnNameOld);
});
}
})
.then(() => {
logging.warn(message4);
});
};