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Added/Updated tests\bugs\gh_8386_test.py: Checked on 5.0.2.1592 -- all fine. WAITING FOR FRONT-PORT FIX INTO FB 6.X.

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pavel-zotov 2025-01-17 00:02:38 +03:00
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#coding:utf-8
"""
ID: issue-8386
ISSUE: https://github.com/FirebirdSQL/firebird/issues/8386
TITLE: Crash when creating index on table that uses UDR and ParallelWorkers > 1
DESCRIPTION:
NOTES:
[17.01.2025] pzotov
Currenty fix presents only in 5.x (commit 4ddbb69). Because of that, 6.x not checked (but it is also affected).
Confirmed bug on 5.0.2.1589, got: "SQLSTATE = 08006 / Error reading data from the connection".
Checked on 5.0.2.1592 -- all fine.
WAITING FOR FRONT-PORT FIX INTO FB 6.X.
"""
import pytest
from firebird.qa import *
db = db_factory()
test_script = """
set bail on;
set list on;
create exception exc_parallel_workers_required q'[Config parameter ParallelWorkers = @1 must be set to 2 or greater.]';
create exception exc_udr_func_seems_not_working q'[UDR function 'sum_args' either not defined or is invalid]';
create exception exc_not_enough_data_for_test q'[At least 2 PP must be allocated for data of 'TEST' table. Currently only @1 PP are used.]';
-- create UDR
create function sum_args (
n1 integer,
n2 integer,
n3 integer
) returns integer
external name 'udrcpp_example!sum_args'
engine udr
;
set term ^;
execute block as
declare n int;
begin
select rdb$config_value from rdb$config where rdb$config_name = 'ParallelWorkers' into n;
if (n is null or n <= 1) then
exception exc_parallel_workers_required using (n);
--------------------------------------------
select sum_args(1, 2, 3) from rdb$database into n;
if (n is distinct from 6) then
exception exc_udr_func_seems_not_working;
end
^
set term ;^
commit;
-- create table with dependency on UDR
create table test (
f1 int,
f2 int,
f3 int,
f_sum computed by (sum_args(f1, f2, f3))
);
-- fill it with some data
insert into test values (1, 1, 1);
insert into test select f1, f2, f3 from test;
insert into test select f1, f2, f3 from test;
insert into test select f1, f2, f3 from test;
insert into test select f1, f2, f3 from test;
insert into test select f1, f2, f3 from test;
insert into test select f1, f2, f3 from test;
insert into test select f1, f2, f3 from test;
insert into test select f1, f2, f3 from test;
insert into test select f1, f2, f3 from test;
insert into test select f1, f2, f3 from test;
insert into test select f1, f2, f3 from test;
insert into test select f1, f2, f3 from test;
insert into test select f1, f2, f3 from test;
insert into test select f1, f2, f3 from test;
insert into test select f1, f2, f3 from test;
insert into test select f1, f2, f3 from test;
insert into test select f1, f2, f3 from test;
insert into test select f1, f2, f3 from test;
commit;
set term ^;
execute block as
declare n int;
begin
-- make sure there are at least 2 pointer pages
select count(*) from rdb$pages p join rdb$relations r on p.rdb$relation_id = r.rdb$relation_id
where r.rdb$relation_name = upper('test') and p.rdb$page_type = 4
into n;
if (n < 2) then
exception exc_not_enough_data_for_test using (n);
end
^
set term ;^
commit;
-- create index
create index test_idx_f1 on test(f1);
-- THIS MUST BE DISPLAYED. CRASH WAS HERE BEFORE FIX:
select 'Completed' as msg from rdb$database;
"""
act = isql_act('db', test_script, substitutions = [('[ \t]+', ' ')])
@pytest.mark.version('>=5.0.2,<6')
def test_1(act: Action):
if act.vars['server-arch'] != 'SuperServer':
pytest.skip("Only SuperServer affected")
act.expected_stdout = 'MSG Completed'
act.execute(combine_output = True)
assert act.clean_stdout == act.clean_expected_stdout