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