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'use strict';
const Readable = require('stream').Readable;
// copy-paste from https://github.com/mysqljs/mysql/blob/master/lib/protocol/sequences/Query.js
module.exports = function(command, connectionStream) {
command.stream = function(options) {
let stream;
options = options || {};
options.objectMode = true;
(stream = new Readable(options)),
(stream._read = function() {
connectionStream.resume();
});
this.on('result', (row, i) => {
if (!stream.push(row)) {
connectionStream.pause();
}
stream.emit('result', row, i); // replicate old emitter
});
this.on('error', err => {
stream.emit('error', err); // Pass on any errors
});
this.on('end', () => {
stream.push(null); // pushing null, indicating EOF
});
this.on('fields', (fields, i) => {
stream.emit('fields', fields, i); // replicate old emitter
});
return stream;
};
};
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