cartodb4/node-pg-copy-streams
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Refactor message format codes handling (#45)

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This commit is contained in:
jeromew
2016-07-26 21:39:48 +02:00
committed by Brian C
parent ee84aba89f
commit ae5b344395
3 changed files with 27 additions and 20 deletions
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10
index.js
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@@ -10,6 +10,7 @@ module.exports = {
var Transform = require('stream').Transform
var util = require('util')
var code = require('./message-formats')
var CopyStreamQuery = function(text, options) {
Transform.call(this, options)
@@ -26,13 +27,8 @@ CopyStreamQuery.prototype.submit = function(connection) {
connection.query(this.text)
}
var code = {
H: 72, //CopyOutResponse
d: 0x64, //CopyData
c: 0x63 //CopyDone
}
var copyDataBuffer = Buffer([code.d])
var copyDataBuffer = Buffer([code.CopyData])
CopyStreamQuery.prototype._transform = function(chunk, enc, cb) {
this.push(copyDataBuffer)
var lenBuffer = Buffer(4)
@@ -43,7 +39,7 @@ CopyStreamQuery.prototype._transform = function(chunk, enc, cb) {
}
CopyStreamQuery.prototype._flush = function(cb) {
var finBuffer = Buffer([code.c, 0, 0, 0, 4])
var finBuffer = Buffer([code.CopyDone, 0, 0, 0, 4])
this.push(finBuffer)
cb()
}