added support for colType 16 (numeric) (#8)

common/types.go

@@ -42,6 +42,7 @@ const (
 	ColTypeVarChar       uint32 = 9
 	ColTypeTimestamp     uint32 = 12
 	ColTypeTimestampTZ   uint32 = 13
+	ColTypeNumeric       uint32 = 16
 	ColTypeVarBinary     uint32 = 17
 	ColTypeUUID          uint32 = 20
 	ColTypeLongVarChar   uint32 = 115

driver.go

@@ -47,7 +47,7 @@ type Driver struct{}
 
 const (
 	driverName      string = "vertica-sql-go"
-	driverVersion   string = "0.1.0"
+	driverVersion   string = "0.1.1"
 	protocolVersion uint32 = 0x00030008
 )
 

driver_test.go

@@ -480,6 +480,28 @@ func TestEmptyStatmentError(t *testing.T) {
 	assertErr(t, err, "empty statement")
 }
 
+func TestNumericColumnType(t *testing.T) {
+	connDB, err := sql.Open("vertica", myDBConnectString)
+	assertNoErr(t, err)
+
+	defer connDB.Close()
+
+	ctx := context.Background()
+
+	err = connDB.PingContext(ctx)
+	assertNoErr(t, err)
+
+	rows, err := connDB.QueryContext(ctx, "SELECT (1/10000000000) as result")
+	assertNoErr(t, err)
+	assertNext(t, rows)
+
+	var resultFloat float64
+	rows.Scan(&resultFloat)
+	assertEqual(t, resultFloat, float64(0.0000000001))
+
+	rows.Close()
+}
+
 func init() {
 	logger.SetLogLevel(logger.TRACE)
 

rows.go

@@ -116,7 +116,7 @@ func (r *rows) Next(dest []driver.Value) error {
 			} else {
 				dest[idx] = string(colVal)
 			}
-		case common.ColTypeFloat64: // to float64
+		case common.ColTypeFloat64, common.ColTypeNumeric: // to float64
 			if colVal == nil {
 				dest[idx] = sql.NullFloat64{}
 			} else {