Added/Updated tests\bugs\gh_7729_test.py: Checked on 5.0.0.1177 (intermediate snapshot). NB: currently FB 4.x seems still having problem. There is no appropriate commit in v4.0-release.

tests/bugs/gh_7729_test.py

@@ -0,0 +1,39 @@
+#coding:utf-8
+
+"""
+ID:          issue-7729
+ISSUE:       https://github.com/FirebirdSQL/firebird/issues/7729
+TITLE:       "SET BIND OF TS WITH TZ TO VARCHAR(128)" uses the date format of dialect 1
+DESCRIPTION:
+NOTES:
+    [25.08.2023] pzotov
+    Confirmed problem on 5.0.0.1169
+    Checked on 5.0.0.1177 (intermediate snapshot).
+    ::: NB :::
+    Currently FB 4.x seems still having problem. There is no appropriate commit in v4.0-release.
+    Test min_version for now is 5.0.
+"""
+
+import pytest
+from firebird.qa import *
+
+db = db_factory()
+
+CHK_TIMESTAMP = '2023-08-29 01:02:03.0123 +03:00'
+test_script = f"""
+    set heading off;
+    SET BIND OF TIMESTAMP WITH TIME ZONE TO varchar(128);
+    select timestamp '{CHK_TIMESTAMP}' dts from rdb$database;
+"""
+
+act = isql_act('db', test_script)
+
+expected_stdout = f"""
+    {CHK_TIMESTAMP}
+"""
+
+@pytest.mark.version('>=5.0')
+def test_1(act: Action):
+    act.expected_stdout = expected_stdout
+    act.execute(combine_output = True)
+    assert act.clean_stdout == act.clean_expected_stdout