fetch as string value about blob subtype ==1. nakagami#10

driver_test.go

@@ -26,6 +26,7 @@ package firebirdsql
 import (
 	"database/sql"
 	"fmt"
+	"reflect"
 	"testing"
 	"time"
 )
@@ -248,13 +249,14 @@ func TestIssue9(t *testing.T) {
 func TestIssue10(t *testing.T) {
 	conn, _ := sql.Open("firebirdsql_createdb", "sysdba:masterkey@localhost:3050/tmp/go_test_issue10.fdb")
 
-	conn.Exec("CREATE TABLE test_issue10 (f1 BLOB SUB_TYPE 1)")
+	conn.Exec("CREATE TABLE test_issue10 (f1 BLOB SUB_TYPE 0, f2 BLOB SUB_TYPE 1)")
 	defer conn.Close()
-	conn.Exec("INSERT INTO test_issue10 (f1) values ('ABC')")
-	var blob []byte
-	err := conn.QueryRow("SELECT f1 from test_issue10").Scan(&blob)
-	if err != nil || blob == nil || len(blob) != 3 || blob[0] != 65 {
-		t.Fatalf("Invalid blob value:%v:%v", err, blob)
+	conn.Exec("INSERT INTO test_issue10 (f1, f2) values ('ABC', 'ABC')")
+	var s string
+	var b []byte
+	err := conn.QueryRow("SELECT f1, f2 from test_issue10").Scan(&s, &b)
+	if err != nil || s != "ABC" || reflect.DeepEqual(b, []byte{65, 67, 68}) {
+		t.Fatalf("Invalid blob value:%v:%v,%v", err, s, b)
 	}
 }
 

rows.go

@@ -24,6 +24,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 package firebirdsql
 
 import (
+	"bytes"
 	"container/list"
 	"database/sql/driver"
 	"io"
@@ -96,7 +97,14 @@ func (rows *firebirdsqlRows) Next(dest []driver.Value) (err error) {
 	for i, v := range row {
 		if rows.stmt.xsqlda[i].sqltype == SQL_TYPE_BLOB {
 			blobId := v.([]byte)
-			dest[i], err = rows.stmt.wp.getBlobSegments(blobId, rows.stmt.tx.transHandle)
+			var blob []byte
+			blob, err = rows.stmt.wp.getBlobSegments(blobId, rows.stmt.tx.transHandle)
+			if rows.stmt.xsqlda[i].sqlsubtype == 1 {
+				dest[i] = bytes.NewBuffer(blob).String()
+			} else {
+				dest[i] = blob
+			}
+
 		} else {
 			dest[i] = v
 		}