From 9b078eddcca5020367a2b09055fcb4d81f0bd5ae Mon Sep 17 00:00:00 2001
From: Max Amanshauser <max@lambdalifting.org>
Date: Fri, 10 Aug 2012 04:06:49 +0200
Subject: [PATCH 1/3] Fixed bytea decode and added 'hex' for pg >= 9.0.

---
 lib/textParsers.js | 29 ++++++++++++++++++++++++++---
 1 file changed, 26 insertions(+), 3 deletions(-)

diff --git a/lib/textParsers.js b/lib/textParsers.js
index f4e35dc5..bbb0df7e 100644
--- a/lib/textParsers.js
+++ b/lib/textParsers.js
@@ -119,9 +119,32 @@ var parseInterval = function(val) {
 };
 
 var parseByteA = function(val) {
-  return new Buffer(val.replace(/\\([0-7]{3})/g, function (full_match, code) {
-    return String.fromCharCode(parseInt(code, 8));
-  }).replace(/\\\\/g, "\\"), "binary");
+  if(val.match(/^\\x/)){
+    // new 'hex' style response (pg >9.0)
+    return new Buffer(val.replace(/^\\x/,''), 'hex');
+  }else{
+    out = ""
+    i = 0
+    while(i < val.length){
+      if(val[i] != "\\"){
+        out += val[i]
+        ++i
+      }else{
+        if(val.substring(i+1, i+4).match(/([0-7]){3}/)){
+          out += String.fromCharCode(parseInt(val.substring(i+1,i+4),8))
+          i += 4
+        }else{
+          backslashes = 1
+          while(i+backslashes < val.length && val[i+backslashes] == "\\")
+            backslashes++
+          for(k=0; k<Math.floor(backslashes/2); ++k)
+            out += "\\"
+          i += Math.floor(backslashes / 2) * 2
+        }
+      }
+    }
+    return new Buffer(out,"binary");
+  }
 }
 
 var maxLen = Number.MAX_VALUE.toString().length

From 669826a86665db943e413d0aac20bde7e913bbf5 Mon Sep 17 00:00:00 2001
From: Max Amanshauser <max@lambdalifting.org>
Date: Sat, 18 Aug 2012 13:17:10 +0200
Subject: [PATCH 2/3] Slightly more efficient hex bytea decode

---
 lib/textParsers.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/textParsers.js b/lib/textParsers.js
index bbb0df7e..0a584015 100644
--- a/lib/textParsers.js
+++ b/lib/textParsers.js
@@ -119,9 +119,9 @@ var parseInterval = function(val) {
 };
 
 var parseByteA = function(val) {
-  if(val.match(/^\\x/)){
+  if(/^\\x/.test(val)){
     // new 'hex' style response (pg >9.0)
-    return new Buffer(val.replace(/^\\x/,''), 'hex');
+    return new Buffer(val.substr(2), 'hex');
   }else{
     out = ""
     i = 0

From 430f1079fca0eb5aca6297f3c9a4c38f6cd48d7e Mon Sep 17 00:00:00 2001
From: Max Amanshauser <max@lambdalifting.org>
Date: Sat, 18 Aug 2012 13:48:06 +0200
Subject: [PATCH 3/3] Tidy up

---
 lib/textParsers.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/textParsers.js b/lib/textParsers.js
index 0a584015..c8811bec 100644
--- a/lib/textParsers.js
+++ b/lib/textParsers.js
@@ -130,8 +130,8 @@ var parseByteA = function(val) {
         out += val[i]
         ++i
       }else{
-        if(val.substring(i+1, i+4).match(/([0-7]){3}/)){
-          out += String.fromCharCode(parseInt(val.substring(i+1,i+4),8))
+        if(val.substr(i+1,3).match(/[0-7]{3}/)){
+          out += String.fromCharCode(parseInt(val.substr(i+1,3),8))
           i += 4
         }else{
           backslashes = 1