Add binding to sqlite3_stmt_readonly.

README

@@ -20,11 +20,13 @@ Conn#LastInsertRowid
 Conn#Interrupt
 Conn#Begin/BeginTransaction(type)/Commit/Rollback
 Conn#GetAutocommit
+Conn#EnableLoadExtension/LoadExtension
 
 Stmt#ExecUpdate
 Stmt#BindParameterCount/BindParameterIndex/BindParameterName
 Stmt#ClearBindings
 Stmt#ColumnCount/ColumnIndex(name)/ColumnName(index)/ColumnType
+Stmt#ReadOnly
 
 Blob:
 ZeroBlobLength

sqlite.go

@@ -719,6 +719,11 @@ func (c *Conn) Close() os.Error {
 	return nil
 }
 
+// Calls http://sqlite.org/c3ref/stmt_readonly.html
+func (s *Stmt) ReadOnly() bool {
+	return C.sqlite3_stmt_readonly(s.stmt) == 1;
+}
+
 // Calls http://sqlite.org/c3ref/enable_load_extension.html
 func (c *Conn) EnableLoadExtension(b bool) {
 	C.sqlite3_enable_load_extension(c.db, btocint(b))

sqlite_test.go

@@ -177,6 +177,10 @@ func TestInsertWithStatement(t *testing.T) {
 	}
 	defer s.Finalize()
 
+	if s.ReadOnly() {
+		t.Errorf("update statement is not readonly")
+	}
+
 	paramCount := s.BindParameterCount()
 	if paramCount != 3 {
 		t.Errorf("bind parameter count error: %d <> 3", paramCount)
@@ -207,6 +211,9 @@ func TestInsertWithStatement(t *testing.T) {
 
 	cs, _ := db.Prepare("SELECT COUNT(*) FROM test")
 	defer cs.Finalize()
+	if !cs.ReadOnly() {
+		t.Errorf("update statement is not readonly")
+	}
 	if ok := Must(cs.Next()); !ok {
 		t.Fatal("no result for count")
 	}