mirror of
https://github.com/FirebirdSQL/firebird-qa.git
synced 2025-01-22 21:43:06 +01:00
154 lines
3.9 KiB
Python
154 lines
3.9 KiB
Python
#coding:utf-8
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"""
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ID: issue-4498
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ISSUE: 4498
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TITLE: Creating external function (udf) to not existing dll - and then procedure with it - crash server
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DESCRIPTION:
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*** FOR FB 4.X AND ABOVE ***
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Added separate code for running on FB 4.0.x: we use create UDR function statement and specify
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non-existent library 'unknown_udf!UC_div'. The statement per se will pass and rdb$functions
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*will* contain record for just created function. But following COMMT will raise exception:
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Statement failed, SQLSTATE = HY000
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UDR module not loaded
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<localized message here>
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Then we rollback and query rdb$functions again. No record about this function must be there.
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STDERR is ignored in this test because of localized message about missed library.
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JIRA: CORE-4172
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"""
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import pytest
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import re
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from pathlib import Path
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from firebird.qa import *
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db = db_factory()
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# version: 3.0
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act_1 = python_act('db', substitutions=[('.* at offset.*', '.* at offset')])
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expected_stdout_1 = """
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X 1
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"""
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expected_stderr_1 = """
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Rolling back work.
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Statement failed, SQLSTATE = 39000
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invalid request BLR at offset
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-function DUMMY_EXT is not defined
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-module name or entrypoint could not be found
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"""
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temp_db_1_a = temp_file('tmp_4172_1.fdb')
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temp_db_1_b = temp_file('tmp_4172_2.fdb')
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@pytest.mark.version('>=3.0,<4')
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def test_1(act_1: Action, temp_db_1_a: Path, temp_db_1_b: Path):
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test_script = f"""
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create database '{str(temp_db_1_b)}';
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commit;
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create database '{str(temp_db_1_a)}';
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set autoddl off;
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commit;
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declare external function dummy_ext
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integer
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returns integer by value
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entry_point 'dummy_ext'
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module_name 'non_existing_udf.dll';
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commit;
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set term ^;
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create procedure sp_test ( a_id integer ) returns ( o_name integer ) as
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begin
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o_name = dummy_ext(a_id);
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suspend;
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end
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^
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set term ;^
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commit;
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rollback;
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connect '{str(temp_db_1_b)}';
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set list on;
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select 1 as x from rdb$database;
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"""
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act_1.expected_stdout = expected_stdout_1
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act_1.expected_stderr = expected_stderr_1
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act_1.isql(switches=['-q'], input=test_script)
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assert (act_1.clean_stderr == act_1.clean_expected_stderr and
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act_1.clean_stdout == act_1.clean_expected_stdout)
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# version: 4.0
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act_2 = python_act('db')
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test_script_2 = """
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recreate view v_check as
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select rdb$function_name, rdb$entrypoint, rdb$engine_name, rdb$legacy_flag
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from rdb$functions
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where rdb$system_flag is distinct from 1 and rdb$function_name starting with upper( 'the_' )
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;
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commit;
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set list on;
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set term ^;
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execute block returns( o_gdscode int ) as
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begin
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begin
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execute statement
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q'{
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create function the_div (
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n1 integer,
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n2 integer
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) returns double precision
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external name 'unknown_udf!UC_div'
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engine udr
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}';
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-- was: external name 'udf_compat!UC_div'
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when any do
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begin
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o_gdscode = gdscode;
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end
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end
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suspend;
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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 blob all;
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set count on;
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select * from v_check;
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rollback;
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select * from v_check;
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rollback;
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"""
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expected_stdout_2 = """
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O_GDSCODE <null>
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RDB$FUNCTION_NAME THE_DIV
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RDB$ENTRYPOINT unknown_udf!UC_div
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RDB$ENGINE_NAME UDR
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RDB$LEGACY_FLAG 0
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Records affected: 1
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Records affected: 0
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"""
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@pytest.mark.version('>=4.0')
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def test_2(act_2: Action):
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act_2.expected_stderr = 'We expect error, but ignore it'
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act_2.expected_stdout = expected_stdout_2
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act_2.isql(switches=[], input=test_script_2)
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assert act_2.clean_stdout == act_2.clean_expected_stdout
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