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Author: AskAlexSharov

mdbx/cursor.go

@@ -228,6 +228,9 @@ func (c *Cursor) getVal(setkey, setval []byte, op uint) error {
 //
 // See mdb_cursor_put.
 func (c *Cursor) Put(key, val []byte, flags uint) error {
+	if c._c == nil || c.txn == nil {
+		return operrno("mdbx_cursor_put", C.MDBX_EINVAL)
+	}
 	var k, v *C.char
 	if len(key) > 0 {
 		k = (*C.char)(unsafe.Pointer(&key[0]))

mdbx/cursor_test.go

@@ -1826,7 +1826,7 @@ func BenchmarkCursor_Set_Random(b *testing.B) {
 	}
 }
 
-func BenchmarkCursor_Put(b *testing.B) {
+func BenchmarkCursor_Put_Sequence(b *testing.B) {
 	env, _ := setup(b)
 
 	const N = 100