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64 lines
1.2 KiB
Python
64 lines
1.2 KiB
Python
#coding:utf-8
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"""
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ID: issue-3849
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ISSUE: 3849
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TITLE: Concurrency problem when using named cursors
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DESCRIPTION:
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JIRA: CORE-3490
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FBTEST: bugs.core_3490
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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()
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test_script = """
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recreate table my_table (a integer, b integer,c integer);
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insert into my_table(a,b,c) values (1,1,1);
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commit;
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set transaction no wait;
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set term ^ ;
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execute block as
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declare my_cursor cursor for
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( select b from my_table
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where a = 1
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for update of b with lock
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);
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declare b integer;
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begin
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open my_cursor;
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fetch my_cursor into :b;
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update my_table set c = 2
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where a = 1;
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UPDATE MY_TABLE SET A = 0 WHERE A = 1;
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update my_table set b = 2
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where current of my_cursor;
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end
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^
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set term ;^
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set list on;
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select * from my_table;
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"""
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act = isql_act('db', test_script)
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expected_stdout = """
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A 0
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B 2
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C 2
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"""
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@pytest.mark.version('>=3')
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def test_1(act: Action):
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act.expected_stdout = expected_stdout
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act.execute()
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assert act.clean_stdout == act.clean_expected_stdout
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