Fix completely removing dyncol column when a where-clause is given to update()

1 files changed, 2 insertions, 0 deletions

diff --git a/test/it_dbi.t b/test/it_dbi.t
index 083047f..1140c55 100755
--- a/test/it_dbi.t
+++ b/test/it_dbi.t
@@ -439,6 +439,8 @@ $r->iterate();
 is($r->_dyndata, [], '_dyndata for record with empty dyncols should be empty');
 $r->update(['key3' => 'c']);
 is($r->key3, 'c', 'dynamic column for record with empty dyncols whould be correctly created');
+$r->update(['key3' => null], ['ID' => 3]);
+is($r->key3, null, 'remove dynamic column completely if where-clause is given');
 
 $r->clear(false);
 is($r->select(['-key1 IS NOT' => 'NULL']), 1, 'only one entry has a value for key1');