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Added/Updated tests\bugs\core_1058_addi_test.py: Example from https://github.com/FirebirdSQL/firebird/issues/7924#issue-2046076122
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pavel-zotov
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tests/bugs/core_1058_addi_test.py
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tests/bugs/core_1058_addi_test.py
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#coding:utf-8
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"""
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ID: issue-1479
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ISSUE: https://github.com/FirebirdSQL/firebird/issues/1479
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TITLE: ALTER DOMAIN and ALTER TABLE don't allow to change character set and/or collation
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DESCRIPTION:
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NOTES:
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[12.04.2024] pzotov
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Example from https://github.com/FirebirdSQL/firebird/issues/7924#issue-2046076122
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Check solved issue about case when we change table fields type using:
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alter table test
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alter column fld_domain_defined type varchar(10) character set win1250
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,alter column fld_explicit_type1 type varchar(10) character set win1252
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,alter column fld_explicit_type2 type varchar(10) character set win1257
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;
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Before fix column types were NOT changed in this case and remains previous data:
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FLD_DOMAIN_DEFINED VARCHAR(10) CHARACTER SET UTF8 COLLATE UNICODE_CI_AI Nullable // why not win1250 ?
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FLD_EXPLICIT_TYPE1 VARCHAR(10) CHARACTER SET WIN1257 COLLATE WIN1257_EE Nullable // why not win1252 ?
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FLD_EXPLICIT_TYPE2 VARCHAR(10) CHARACTER SET UTF8 COLLATE UNICODE_CI Nullable // why not win1257 ?
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Initially report was sent to Adriano, Dmitry et al, 05-oct-2023 08:18.
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Fix 22-JAN-2024 17:42 in: https://github.com/FirebirdSQL/firebird/commit/11dec10f9fc079ed74d623211e01f465e45d6a7c
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"""
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import pytest
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from firebird.qa import *
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db = db_factory(charset = 'win1251')
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test_script = """
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set bail on;
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set list on;
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create view v_domain_info as
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select
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f.rdb$field_name as dm_name
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,f.rdb$field_length as dm_size
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,f.rdb$character_length as dm_char_len
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,f.rdb$character_set_id as dm_cset_id
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,f.rdb$collation_id as dm_coll_id
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,c.rdb$character_set_name as dm_cset_name
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--,c.rdb$default_collate_name as dm_default_coll_name
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--,k.rdb$base_collation_name
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,k.rdb$collation_name as dm_coll_name
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from rdb$fields f
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join rdb$character_sets c on f.rdb$character_set_id = c.rdb$character_set_id
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join rdb$collations k on c.rdb$character_set_id = k.rdb$character_set_id and f.rdb$collation_id = k.rdb$collation_id
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where f.rdb$field_name = upper('dm_test')
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;
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create view v_fields_info as
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select
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rf.rdb$field_name as field_name
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-- ,rf.rdb$field_source
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-- ,rf.rdb$field_position
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,f.rdb$character_length as field_char_len
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,f.rdb$character_set_id as field_cset_id
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,f.rdb$collation_id as field_coll_id
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,c.rdb$character_set_name as cset_name
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--,c.rdb$default_collate_name
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--,k.rdb$base_collation_name
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,k.rdb$collation_name as field_collation
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--,k.rdb$collation_id
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from rdb$relation_fields rf
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join rdb$fields f on rf.rdb$field_source = f.rdb$field_name
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join rdb$character_sets c on f.rdb$character_set_id = c.rdb$character_set_id
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join rdb$collations k on c.rdb$character_set_id = k.rdb$character_set_id and f.rdb$collation_id = k.rdb$collation_id
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where rf.rdb$relation_name = upper('TEST')
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order by
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field_name
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,field_cset_id
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,field_coll_id
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;
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---------------------------------------------------------------
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alter character set utf8 set default collation unicode_ci;
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alter character set win1252 set default collation pxw_span;
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alter character set win1257 set default collation win1257_ee;
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commit;
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create domain dm_test varchar(10) character set win1252;
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create table test(
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fld_domain_defined dm_test
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,fld_explicit_type1 varchar(10) character set win1257
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,fld_explicit_type2 varchar(10) character set utf8
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);
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commit;
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---------------------------------------------------------------
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alter character set utf8 set default collation unicode_ci_ai;
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alter character set win1252 set default collation pxw_swedfin;
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alter character set win1257 set default collation win1257_lv;
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commit;
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alter domain dm_test type varchar(10) character set utf8;
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commit;
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alter table test
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alter column fld_domain_defined type varchar(10) character set win1250
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,alter column fld_explicit_type1 type varchar(10) character set win1252
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,alter column fld_explicit_type2 type varchar(10) character set win1257
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;
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commit;
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select 'domain_info' as msg, v.* from v_domain_info v;
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select 'table info' as msg, v.* from v_fields_info v;
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"""
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act = isql_act('db', test_script)
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expected_stdout = """
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MSG domain_info
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DM_NAME DM_TEST
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DM_SIZE 40
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DM_CHAR_LEN 10
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DM_CSET_ID 4
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DM_COLL_ID 4
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DM_CSET_NAME UTF8
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DM_COLL_NAME UNICODE_CI_AI
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MSG table info
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FIELD_NAME FLD_DOMAIN_DEFINED
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FIELD_CHAR_LEN 10
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FIELD_CSET_ID 51
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FIELD_COLL_ID 0
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CSET_NAME WIN1250
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FIELD_COLLATION WIN1250
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MSG table info
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FIELD_NAME FLD_EXPLICIT_TYPE1
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FIELD_CHAR_LEN 10
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FIELD_CSET_ID 53
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FIELD_COLL_ID 5
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CSET_NAME WIN1252
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FIELD_COLLATION PXW_SWEDFIN
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MSG table info
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FIELD_NAME FLD_EXPLICIT_TYPE2
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FIELD_CHAR_LEN 10
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FIELD_CSET_ID 60
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FIELD_COLL_ID 3
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CSET_NAME WIN1257
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FIELD_COLLATION WIN1257_LV
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"""
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@pytest.mark.version('>=6')
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def test_1(act: Action):
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act.expected_stdout = expected_stdout
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act.execute(combine_output = True)
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assert act.clean_stdout == act.clean_expected_stdout
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