add DriverName to the dialect interface (required for interfacing wit…

…h newer sqlx) and change NewDbMap to work with newer sqlx

dbmap.go

@@ -37,7 +37,7 @@ type DbMap struct {
 
 // Return a new DbMap using the db connection and dialect
 func NewDbMap(db *sql.DB, dialect Dialect) *DbMap {
-	return &DbMap{Db: db, Dialect: dialect, Dbx: &sqlx.DB{*db}}
+	return &DbMap{Db: db, Dialect: dialect, Dbx: sqlx.NewDb(db, dialect.DriverName())}
 }
 
 // TraceOn turns on SQL statement logging for this DbMap.  After this is

dialect.go

@@ -41,6 +41,9 @@ type Dialect interface {
 	// Handles quoting of a field name to ensure that it doesn't raise any
 	// SQL parsing exceptions by using a reserved word as a field name.
 	QuoteField(field string) string
+
+	// Get the driver name from a dialect
+	DriverName() string
 }
 
 func standardInsertAutoIncr(exec SqlExecutor, insertSql string, params ...interface{}) (int64, error) {
@@ -59,6 +62,10 @@ type SqliteDialect struct {
 	suffix string
 }
 
+func (d SqliteDialect) DriverName() string {
+	return "sqlite"
+}
+
 func (d SqliteDialect) ToSqlType(col *ColumnMap) string {
 	switch col.gotype.Kind() {
 	case reflect.Bool:
@@ -130,6 +137,10 @@ type PostgresDialect struct {
 	suffix string
 }
 
+func (d PostgresDialect) DriverName() string {
+	return "postgres"
+}
+
 func (d PostgresDialect) ToSqlType(col *ColumnMap) string {
 
 	switch col.gotype.Kind() {
@@ -228,6 +239,10 @@ type MySQLDialect struct {
 	Encoding string
 }
 
+func (d MySQLDialect) DriverName() string {
+	return "mysql"
+}
+
 func (m MySQLDialect) ToSqlType(col *ColumnMap) string {
 	switch col.gotype.Kind() {
 	case reflect.Bool: