rename NormalizeDialectSynonyms to CanonicalDialect

connection_details.go

@@ -78,7 +78,7 @@ func (cd *ConnectionDetails) withURL() error {
 		if dialectX.MatchString(ul) {
 			// Guess the dialect from the scheme
 			dialect := ul[:strings.Index(ul, ":")]
-			cd.Dialect = NormalizeDialectSynonyms(dialect)
+			cd.Dialect = CanonicalDialect(dialect)
 		} else {
 			return errors.New("no dialect provided, and could not guess it from URL")
 		}
@@ -125,7 +125,7 @@ func (cd *ConnectionDetails) withURL() error {
 // Finalize cleans up the connection details by normalizing names,
 // filling in default values, etc...
 func (cd *ConnectionDetails) Finalize() error {
-	cd.Dialect = NormalizeDialectSynonyms(cd.Dialect)
+	cd.Dialect = CanonicalDialect(cd.Dialect)
 
 	if cd.Options == nil { // for safety
 		cd.Options = make(map[string]string)

connection_instrumented.go

@@ -39,7 +39,7 @@ func instrumentDriver(deets *ConnectionDetails, defaultDriverName string) (drive
 
 	var dr driver.Driver
 	var newDriverName string
-	switch NormalizeDialectSynonyms(driverName) {
+	switch CanonicalDialect(driverName) {
 	case nameCockroach:
 		fallthrough
 	case namePostgreSQL:

match.go

@@ -26,7 +26,7 @@ func ParseMigrationFilename(filename string) (*Match, error) {
 	if m[3] == "" {
 		dbType = "all"
 	} else {
-		dbType = NormalizeDialectSynonyms(m[3][1:])
+		dbType = CanonicalDialect(m[3][1:])
 		if !DialectSupported(dbType) {
 			return nil, fmt.Errorf("unsupported dialect %s", dbType)
 		}

pop.go

@@ -56,8 +56,8 @@ func DialectSupported(d string) bool {
 	return false
 }
 
-func NormalizeDialectSynonyms(dialect string) string {
-	d := strings.ToLower(dialect)
+func CanonicalDialect(synonym string) string {
+	d := strings.ToLower(synonym)
 	if syn, ok := dialectSynonyms[d]; ok {
 		d = syn
 	}