mirror of
https://github.com/FirebirdSQL/firebird-qa.git
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96 lines
3.0 KiB
Python
96 lines
3.0 KiB
Python
#coding:utf-8
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"""
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ID: issue-4741
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ISSUE: 4741
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TITLE: Server crashes while sorting records longer than 128KB
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DESCRIPTION:
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JIRA: CORE-4419
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FBTEST: bugs.core_4419
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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 lines1 (line varchar(2000));
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insert into lines1 (line) values('2007' || ascii_char(9) || 'abcabcabc' || ascii_char(9) || 'xx');
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insert into lines1 (line) values('2007' || ascii_char(9) || 'defdefdef' || ascii_char(9) || 'xx');
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insert into lines1 (line) values('2007' || ascii_char(9) || 'ghighighi' || ascii_char(9) || 'xx');
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insert into lines1 (line) values('2008' || ascii_char(9) || 'defdefdef' || ascii_char(9) || 'xx');
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-- note that spaces between line values should be tabs, , ascii_char(9)
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commit;
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recreate table lines2 (line varchar(2000));
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insert into lines2 (line) values('2007' || ascii_char(9) || 'abcabcabc' || ascii_char(9) || 'xx');
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insert into lines2 (line) values('2007' || ascii_char(9) || 'defgdefg' || ascii_char(9) || 'xx');
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insert into lines2 (line) values('2007' || ascii_char(9) || 'ghighighi' || ascii_char(9) || 'xx');
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insert into lines2 (line) values('2008' || ascii_char(9) || 'abcabcabc' || ascii_char(9) || 'xx');
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insert into lines2 (line) values('2008' || ascii_char(9) || 'defdefdef' || ascii_char(9) || 'xx');
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commit;
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set term ^;
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create function split (
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s varchar(32000),
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n integer = 1
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)
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returns varchar(32000)
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as
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declare startpos integer;
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declare pos integer;
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begin
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-- extract tab separated parts from string
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pos = 0;
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while (n > 0) do
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begin
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startpos = pos + 1;
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pos = position(ascii_char(9), :s, :startpos);
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if (pos = 0) then break;
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n = n - 1;
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end
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if (pos > 0) then
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return nullif(substring(s from :startpos for pos - startpos), '');
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-- get part after last tab
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else if (n = 1) then
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return nullif(substring(s from :startpos), '');
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end
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^
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set term ;^
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commit;
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set list on;
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select u.f1, u.f2
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from (select split(line) f1, split(line, 2) f2 from lines1
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union
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select split(line), split(line, 2) from lines2) u
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join (select split(line) f1, split(line, 2) f2 from lines1) a on a.f1 = u.f1 and a.f2 = u.f2
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join (select split(line) f1, split(line, 2) f2 from lines2) b on b.f1 = u.f1 and b.f2 = u.f2
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order by 1, 2;
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"""
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act = isql_act('db', test_script)
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expected_stdout = """
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F1 2007
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F2 abcabcabc
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F1 2007
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F2 ghighighi
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F1 2008
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F2 defdefdef
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"""
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@pytest.mark.version('>=3.0')
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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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