Ensure parsed times are stored in UTC

sql/scanner.go

@@ -593,12 +593,20 @@ func (s *Scanner) scanString(chp ...rune) (tok Token, lit string, val interface{
 		return DURATION, buf.String(), val
 	}
 
-	if val, err := time.Parse("2006-01-02", buf.String()); err == nil {
-		return DATE, buf.String(), val
+	if val, err := time.Parse(RFCDate, buf.String()); err == nil {
+		return DATE, buf.String(), val.UTC()
 	}
 
-	if val, err := time.Parse(time.RFC3339, buf.String()); err == nil {
-		return TIME, buf.String(), val
+	if val, err := time.Parse(RFCTime, buf.String()); err == nil {
+		return TIME, buf.String(), val.UTC()
+	}
+
+	if val, err := time.Parse(RFCNorm, buf.String()); err == nil {
+		return TIME, buf.String(), val.UTC()
+	}
+
+	if val, err := time.Parse(RFCText, buf.String()); err == nil {
+		return TIME, buf.String(), val.UTC()
 	}
 
 	return tok, buf.String(), val

sql/sql.go

@@ -0,0 +1,32 @@
+// Copyright © 2016 Abcum Ltd
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package sql
+
+import (
+	"time"
+)
+
+const (
+	// Parsing format for date times
+	RFCDate = "2006-01-02"
+	// Parsing format for normal times
+	RFCNorm = time.RFC1123
+	// Parsing format for json date times
+	RFCTime = time.RFC3339
+	// Parsing format for json nanosecond times
+	RFCNano = time.RFC3339Nano
+	// Parsing format for readable text format date times
+	RFCText = "2006-01-02 15:04:05.999999999 -0700 MST"
+)

sql/util.go

@@ -109,7 +109,7 @@ func (p *Parser) declare(tok Token, lit string) (interface{}, error) {
 		return &Table{lit}, nil
 
 	case NOW:
-		return time.Now(), nil
+		return time.Now().UTC(), nil
 
 	case DATE:
 		return time.Parse("2006-01-02", lit)