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Added/Updated tests\bugs\core_5464_test.py: Checked on 6.0.0.511 (Windows/Linux); 5.0.2.1550; 4.0.6.3165; 3.0.13.33793; 3.0.2.32670-0fab1a8.
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pavel-zotov
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@ -5,66 +5,106 @@ ID: issue-5734
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ISSUE: 5734
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TITLE: AV in fbclient when reading blob stored in incompatible encoding
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DESCRIPTION:
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Domain description contains non-ascii text in Latvian
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and is created using charset = win1257.
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Subsequent connect which tries to get this description uses cp1253 (Greek).
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Commit that fixed ticket: 0fab1a85597baa5054a34cae437f5da6096580b0 (20.01.2017 00:43)
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JIRA: CORE-5464
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FBTEST: bugs.core_5464
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NOTES:
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[06.10.2022] pzotov
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Could not complete adjusting for LINUX in new-qa.
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DEFERRED.
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[30.10.2024] pzotov
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Crash *not* occurs but one may note different behaviour of snapshots before and after fix.
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Snapshot before fix (e.g. 90a46fa3, 06-jan-2017) for query to rdb$fields (see view v_domain_descr)
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behave differently depending on connection protocol:
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* for TCP is does not return any record for query to view 'v_conn_cset';
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* for LOCAL protocol its returns weird 'RDB$SYSTEM_FLAG 18775' and error 'SQLSTATE = 42000 / invalid BLOB ID'.
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Also, error message for query to view 'v_domain_descr' (before fix) was:
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Statement failed, SQLSTATE = HY000
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Cannot transliterate character between character sets
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request synchronization error
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Discussed with Vlad, letters date: 29-oct-2024.
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Checked on 6.0.0.511 (Windows/Linux); 5.0.2.1550; 4.0.6.3165; 3.0.13.33793; 3.0.2.32670-0fab1a8.
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"""
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import platform
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import locale
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from pathlib import Path
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import pytest
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from firebird.qa import *
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init_script = """
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create domain d_int int;
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comment on domain d_int is
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'*Лев Николаевич Толстой * *Анна Каренина * /Мне отмщение, и аз воздам/ *ЧАСТЬ ПЕРВАЯ* *I *
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Все счастливые семьи похожи друг на друга, каждая несчастливая
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семья несчастлива по-своему.
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Все смешалось в доме Облонских. Жена узнала, что муж был в связи
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с бывшею в их доме француженкою-гувернанткой, и объявила мужу, что
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не может жить с ним в одном доме. Положение это продолжалось уже
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третий день и мучительно чувствовалось и самими супругами, и всеми
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членами семьи, и домочадцами. Все члены семьи и домочадцы
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чувствовали, что нет смысла в их сожительстве и что на каждом
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п1
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';
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commit;
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"""
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db = db_factory(charset='win1257')
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act = isql_act('db', substitutions = [('TCPv(4|6)', 'TCP')])
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db_1 = db_factory(charset='WIN1251', init=init_script)
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tmp_sql = temp_file('tmp_core_5464.sql')
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test_script = """
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set blob all;
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set list on;
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@pytest.mark.version('>=3.0.1')
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def test_1(act: Action, tmp_sql: Path, capsys):
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select c.rdb$character_set_name as connection_cset, r.rdb$character_set_name as db_default_cset
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from mon$attachments a
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join rdb$character_sets c on a.mon$character_set_id = c.rdb$character_set_id
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cross join rdb$database r where a.mon$attachment_id=current_connection;
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non_ascii_txt = """
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Oblonsku mājā viss bija sajaukts.
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Sieva uzzināja, ka viņas vīram ir attiecības ar franču guvernanti,
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kas atradās viņu mājā, un paziņoja vīram, ka nevar dzīvot ar viņu vienā mājā.
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"""
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select rdb$field_name, rdb$system_flag, rdb$description
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from rdb$fields where rdb$description is not null;
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"""
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init_script = f"""
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create domain dm_test int;
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comment on domain dm_test is '{non_ascii_txt}';
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commit;
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create view v_conn_cset as
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select
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rdb$get_context('SYSTEM', 'NETWORK_PROTOCOL') as conn_protocol
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,c.rdb$character_set_name as connection_cset
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,r.rdb$character_set_name as db_default_cset
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from mon$attachments a
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join rdb$character_sets c on a.mon$character_set_id = c.rdb$character_set_id
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cross join rdb$database r where a.mon$attachment_id=current_connection;
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act = isql_act('db_1', test_script)
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create view v_domain_descr as
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select f.rdb$field_name, f.rdb$system_flag, f.rdb$description
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from rdb$database d
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left join rdb$fields f on f.rdb$description is not null;
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commit;
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"""
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tmp_sql.write_bytes(init_script.encode('cp1257'))
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act.isql(switches=['-q'], input_file = tmp_sql, charset='win1257', combine_output = True, io_enc = locale.getpreferredencoding())
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assert act.return_code == 0
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expected_stdout = """
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CONNECTION_CSET WIN1250
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DB_DEFAULT_CSET WIN1251
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"""
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test_sql = f"""
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set blob all;
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set list on;
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set count on;
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connect '{act.db.dsn}';
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select v1.* from v_conn_cset as v1;
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select v2.* from v_domain_descr as v2;
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commit;
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expected_stderr = """
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Statement failed, SQLSTATE = 22018
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Cannot transliterate character between character sets
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"""
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connect '{act.db.db_path}';
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select v3.* from v_conn_cset as v3;
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select v4.* from v_domain_descr as v4;
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commit;
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"""
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act.isql(switches=['-q'], connect_db = False, input = test_sql, charset='win1253', combine_output = True, io_enc = locale.getpreferredencoding())
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@pytest.mark.skipif(platform.system() != 'Windows', reason='FIXME: see notes')
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@pytest.mark.version('>=3.0.2')
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def test_1(act: Action):
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act.expected_stderr = expected_stderr
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act.expected_stdout = expected_stdout
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act.isql(switches=['-q'], input=test_script, charset='WIN1250')
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assert (act.clean_stderr == act.clean_expected_stderr and
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act.clean_stdout == act.clean_expected_stdout)
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act.expected_stdout = """
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CONN_PROTOCOL TCP
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CONNECTION_CSET WIN1253
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DB_DEFAULT_CSET WIN1257
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Records affected: 1
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Statement failed, SQLSTATE = 22018
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Cannot transliterate character between character sets
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Records affected: 0
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CONN_PROTOCOL <null>
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CONNECTION_CSET WIN1253
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DB_DEFAULT_CSET WIN1257
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Records affected: 1
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Statement failed, SQLSTATE = 22018
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Cannot transliterate character between character sets
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Records affected: 0
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"""
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assert act.clean_stdout == act.clean_expected_stdout
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