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118 lines
37 KiB
Python
118 lines
37 KiB
Python
#coding:utf-8
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#
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# id: bugs.core_3554
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# title: Server crashes during prepare or throws incorrect parsing error if the remotely passed SQL query is empty
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# decription:
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# Checked on:
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# 4.0.0.1635 SS: 1.364s.
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# 4.0.0.1633 CS: 1.674s.
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# 3.0.5.33180 SS: 0.822s.
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# 3.0.5.33178 CS: 1.233s.
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#
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# tracker_id: CORE-3554
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# min_versions: ['3.0']
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# versions: 3.0
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# qmid: None
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import pytest
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from firebird.qa import db_factory, isql_act, Action
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# version: 3.0
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# resources: None
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substitutions_1 = [('Data source : Firebird::localhost:.*', 'Data source : Firebird::localhost:'), ('.*Unexpected end of command.*', '.*Unexpected end of command'), ('-At block line: [\\d]+, col: [\\d]+', '-At block line')]
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init_script_1 = """"""
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db_1 = db_factory(sql_dialect=3, init=init_script_1)
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test_script_1 = """
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-- See issues in ticket:
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-- "application either passes the empty SQL text to prepare, or passes a "too long" SQL text (64KB or 128KB etc)
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-- so its length becomes zero as a result of conversion into USHORT (unsigned 16-bit integer) which represents
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-- the supported SQL text length."
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-- Test was made only for 3.0 because 2.5 allows to pass in ES much longer string than 32K.
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-- 30.07.2015: at least since build #31948 first ES (which passes literal of length = 32766 bytes) no more fails.
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-- Previous expected std_err:
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-- Statement failed, SQLSTATE = 42000
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-- Dynamic SQL Error
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-- -SQL error code = -104
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-- -String literal with 32766 bytes exceeds the maximum length of 32765 bytes
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-- has been removed.
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-- Also, std_err has been changed for 2nd ES (which passes empty literal). Was:
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-- Statement failed, SQLSTATE = 42000
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-- Execute statement error at isc_dsql_prepare :
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-- 335544608 : Unexpected end of command
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-- Statement :
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-- Data source : Firebird::localhost:C:\\FBTESTING\\QA\\FBT-REPO\\TMP\\E30.FDB
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set list on;
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set term ^;
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execute block returns(n int) as
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declare b blob;
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begin
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-- Try to pass statement with total char length (including delimiters, `select` and `from rdb$database`) = 32766 bytes.
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-- This should raise exception in 3.0:
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execute statement 'select ''1qwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwertyqwert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from rdb$database'
|
||
on external ('localhost:'||rdb$get_context('SYSTEM','DB_NAME')) as user 'sysdba' password 'masterkey' role 'R2'
|
||
into b;
|
||
|
||
n = octet_length(b);
|
||
suspend;
|
||
end
|
||
^
|
||
|
||
execute block returns(n int) as
|
||
begin
|
||
-- Try to pass empty statement. This should raise exception, but server must not crach:
|
||
execute statement ''
|
||
on external ('localhost:'||rdb$get_context('SYSTEM','DB_NAME')) as user 'sysdba' password 'masterkey' role 'R2'
|
||
;
|
||
end
|
||
^
|
||
set term ;^
|
||
commit;
|
||
|
||
-- ||||||||||||||||||||||||||||
|
||
-- ###################################||| FB 4.0+, SS and SC |||##############################
|
||
-- ||||||||||||||||||||||||||||
|
||
-- If we check SS or SC and ExtConnPoolLifeTime > 0 (config parameter FB 4.0+) then current
|
||
-- DB (bugs.core_NNNN.fdb) will be 'captured' by firebird.exe process and fbt_run utility
|
||
-- will not able to drop this database at the final point of test.
|
||
-- Moreover, DB file will be hold until all activity in firebird.exe completed and AFTER this
|
||
-- we have to wait for <ExtConnPoolLifeTime> seconds after it (discussion and small test see
|
||
-- in the letter to hvlad and dimitr 13.10.2019 11:10).
|
||
-- This means that one need to kill all connections to prevent from exception on cleanup phase:
|
||
-- SQLCODE: -901 / lock time-out on wait transaction / object <this_test_DB> is in use
|
||
-- #############################################################################################
|
||
delete from mon$attachments where mon$attachment_id != current_connection;
|
||
commit;
|
||
|
||
"""
|
||
|
||
act_1 = isql_act('db_1', test_script_1, substitutions=substitutions_1, charset='NONE')
|
||
|
||
expected_stdout_1 = """
|
||
N 32739
|
||
"""
|
||
expected_stderr_1 = """
|
||
Statement failed, SQLSTATE = 42000
|
||
Execute statement error at isc_dsql_prepare :
|
||
335544569 : Dynamic SQL Error
|
||
335544436 : SQL error code = -104
|
||
335544851 : Unexpected end of command - line 1, column 1
|
||
Statement :
|
||
Data source : Firebird::localhost:C:\\MIX irebird\\QA bt-repo mp\\E30.FDB
|
||
-At block line: 4, col: 7
|
||
"""
|
||
|
||
@pytest.mark.version('>=3.0')
|
||
def test_1(act_1: Action):
|
||
act_1.expected_stdout = expected_stdout_1
|
||
act_1.expected_stderr = expected_stderr_1
|
||
act_1.execute()
|
||
assert act_1.clean_expected_stderr == act_1.clean_stderr
|
||
assert act_1.clean_expected_stdout == act_1.clean_stdout
|
||
|