initial work on dates

Author: brianc

lib/client.js

@@ -221,32 +221,51 @@ p.onDataRow = function(msg) {
   this.emit('row', msg);
 };
 
+var dateParser = function(isoDate) {
+  //TODO find some regexp help
+  //this method works but it's ooglay
+  var split = isoDate.split(' ');
+  var date = split[0];
+  var time = split[1];
+  var splitDate = date.split('-');
+  var year = (splitDate[0]);
+  var month = parseInt(splitDate[1])-1;
+  var day = (splitDate[2]);
+  var splitTime = time.split(':');
+  var hour = parseInt(splitTime[0]);
+  var min = splitTime[1];
+  var end = splitTime[2];
+  var seconds = /(\d{2})/.exec(end);
+  seconds = (seconds ? seconds[1] : 0);
+  var mili = /\.(\d{1,})/.exec(end);
+  mili = mili ? mili[1].slice(0,3) : 0;
+  var tZone = /([Z|+\-])(\d{2})?(\d{2})?/.exec(end);
+  //minutes to adjust for timezone
+  var tzAdjust = 0;
+  if(tZone) {
+    var type = tZone[1];
+    switch(type) {
+    case 'Z': break;
+    case '-':
+      tzAdjust = -(((parseInt(tZone[2])*60)+(parseInt(tZone[3]||0))));
+      break;
+    case '+':
+      tzAdjust = (((parseInt(tZone[2])*60)+(parseInt(tZone[3]||0))));
+      break;
+    default:
+      throw new Error("Unidentifed tZone part " + type);
+    }
+  }
+  console.log("tzAdjust " + tzAdjust);
+  var utcOffset = Date.UTC(year, month, day, hour, min, seconds, mili);
+  var date = new Date(utcOffset+(tzAdjust*1000*60));
 
 
-// var intParser = {
-//   fromDbValue: parseInt
-// };
-
-// var floatParser = {
-//   fromDbValue: parseFloat
-// };
-
-// var timeParser = {
-//   fromDbValue: function(isoTime) {
-//     var when = new Date();
-//     var split = isoTime.split(':');
-//     when.setHours(split[0]);
-//     when.setMinutes(split[1]);
-//     when.setSeconds(split[2].split('-') [0]);
-//     return when;
-//   }
-// };
-
-// var dateParser = {
-//   fromDbValue: function(isoDate) {
-//     return Date.parse(isoDate);
-//   }
-// };
+  console.log(isoDate);
+  console.log(date);
+  console.log("");
+  return isoDate;
+};
 
 Client.dataTypeParser = {
   20: parseInt,
@@ -256,32 +275,14 @@ Client.dataTypeParser = {
   1700: parseFloat,
   700: parseFloat,
   701: parseFloat,
-  16: function(dbVal) {
+  16: function(dbVal) { //boolean
     return dbVal === 't';
-  }
+  },
   //   1083: timeParser,
   //   1266: timeParser,
-  //   1114: dateParser,
-  //   1184: dateParser
+  1114: dateParser,
+  1184: dateParser
 };
 
-// p.processRowDescription = function(description) {
-//   this.fields = description.fields;
-// };
-
-// p.processDataRow = function(dataRow) {
-//   var row = dataRow.fields;
-//   var fields = this.fields || [];
-//   var field, dataType;
-//   for(var i = 0, len = row.length; i < len; i++) {
-//     field = fields[i] || 0
-//     var dataType = Client.dataTypes[field.dataTypeID];
-//     if(dataType) {
-//       row[i] = dataType.fromDbValue(row[i]);
-//     }
-//   }
-//   this.emit('row',row);
-// };
-
 //end parsing methods
 module.exports = Client;

test/integration/client/type-coercion-tests.js

@@ -36,7 +36,6 @@ var testForTypeCoercion = function(type){
   });
 };
 
-//TODO test for nulls
 var types = [{
   name: 'integer',
   values: [1, -1, null]

test/unit/client/typed-query-results.js

@@ -63,6 +63,34 @@ test('typed results', function() {
     dataTypeID: 16,
     actual: null,
     expected: null
+  },{
+    name: 'timestamptz with minutes in timezone',
+    dataTypeID: 1184,
+    actual: '2010-10-31 14:54:13.74-0530',
+    expected: function(val) {
+      return false;
+    }
+  },{
+    name: 'timestampz with huge miliseconds in UTC',
+    dataTypeID: 1184,
+    actual: '2010-10-30 14:11:12.730838Z',
+    expected: function(val) {
+      return false;
+    }
+  },{
+    name: 'timestampz with no miliseconds',
+    dataTypeID: 1184,
+    actual: '2010-10-30 13:10:01+05',
+    expected: function(val) {
+      return false;
+    }
+  },{
+    name: 'timestamp',
+    dataTypeID: 1114,
+    actual:  '2010-10-31 00:00:00',
+    expected: function(val) {
+      return false;
+    }
   }];
 
 
@@ -74,7 +102,12 @@ test('typed results', function() {
   assert.emits(query, 'row', function(row) {
     for(var i = 0; i < tests.length; i++) {
       test('parses ' + tests[i].name, function() {
-        assert.strictEqual(row.fields[i], tests[i].expected);
+        var expected = tests[i].expected;
+        if(typeof expected === 'function') {
+          return expected(row.fields[i]);
+        }
+        assert.strictEqual(row.fields[i], expected);
+
       });
     }
   });