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firebird-qa/tests/bugs/core_5972_test.py

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#coding:utf-8
#
# id: bugs.core_5972
# title: External engine trigger crashing server if table have computed field
# decription:
# We use supplied UDR example which operates with TRIGGER for replication purpuses.
# Two databases are used here: one is 'main' (which is created by fbtest) and second
# is auxiliary and serves as slave (replica).
#
# We create table PERSONS in both databases, its DDL is taken from examples code.
# This table will be normally replicated until we add COMPUTED BY field to it.
#
# When such field is added and we issue INSERT command, standard exception must raise:
# Statement failed, SQLSTATE = 42000
# Execute statement error at isc_dsql_prepare :
# 335544569 : Dynamic SQL Error
# 335544436 : SQL error code = -206
# 335544578 : Column unknown
# 335544382 : COMP
# 336397208 : At line 1, column 57
# Statement : insert into "PERSONS" ("ID", "NAME", "ADDRESS", "INFO", "COMP") values (?, ?, ?, ?, ?)
# Data source : Firebird::C:\\FBTESTING\\qa\\misc\\tmprepl.fdb
# -At block line: ...
# -At trigger 'PERSONS_REPLICATE'
#
# We expect appearing of this exception (see try/except block): check its class and content of message.
#
# Confirmed crash on 4.0.0.1346 (built 17-dec-2018).
# Checked on 4.0.0.1391 (built 22-jan-2019): all fine, got expected exception.
# Cheked also on:
# 4.0.0.1803 SS: 2.494s.
# 4.0.0.1796 CS: 3.500s.
# 3.0.6.33265 SS: 1.578s.
# 3.0.6.33247 CS: 2.032s.
# tracker_id: CORE-5972
# min_versions: ['3.0.6']
# versions: 3.0.6
# qmid: None
import pytest
from firebird.qa import db_factory, python_act, Action, Database
from firebird.driver import DatabaseError
# version: 3.0.6
# resources: None
substitutions_1 = [('[ \t]+', ' '), ('.* At block line.*', 'At block'),
('read-only column.*', 'read-only column'),
('Statement.*', 'Statement'), ('Data source.*', 'Data source'),
('.* At trigger.*', 'At trigger')]
init_script_1 = """
create table persons (
id integer not null,
name varchar(60) not null,
address varchar(60),
info blob sub_type text,
comp int computed by (1) -- COMPUTED_BY FIELD AS IT IS DESCRIBED IN THE TICKET
);
"""
db_1 = db_factory(sql_dialect=3, init=init_script_1)
db_1_repl = db_factory(sql_dialect=3, init=init_script_1, filename='core_5972_repl.fdb')
# test_script_1
#---
#
# import os
# import sys
# import time
# import subprocess
#
# os.environ["ISC_USER"] = user_name
# os.environ["ISC_PASSWORD"] = user_password
# this_db = db_conn.database_name
# fb_major=db_conn.engine_version
#
# #--------------------------------------------
#
# def flush_and_close( file_handle ):
# # https://docs.python.org/2/library/os.html#os.fsync
# # If you're starting with a Python file object f,
# # first do f.flush(), and
# # then do os.fsync(f.fileno()), to ensure that all internal buffers associated with f are written to disk.
# global os
#
# file_handle.flush()
# if file_handle.mode not in ('r', 'rb') and file_handle.name != os.devnull:
# # otherwise: "OSError: [Errno 9] Bad file descriptor"!
# os.fsync(file_handle.fileno())
# file_handle.close()
#
# #--------------------------------------------
#
# def cleanup( f_names_list ):
# global os
# for i in range(len( f_names_list )):
# if type(f_names_list[i]) == file:
# del_name = f_names_list[i].name
# elif type(f_names_list[i]) == str:
# del_name = f_names_list[i]
# else:
# print('Unrecognized type of element:', f_names_list[i], ' - can not be treated as file.')
# del_name = None
#
# if del_name and os.path.isfile( del_name ):
# os.remove( del_name )
#
# #--------------------------------------------
#
# table_ddl='''
# create table persons (
# id integer not null,
# name varchar(60) not null,
# address varchar(60),
# info blob sub_type text,
# comp int computed by (1) -- COMPUTED_BY FIELD AS IT IS DESCRIBED IN THE TICKET
# );
# '''
#
# fdb_repl = os.path.join(context['temp_directory'],'tmp_5972_repl.fdb')
# cleanup( (fdb_repl,) )
#
# con_repl = fdb.create_database( dsn = 'localhost:%(fdb_repl)s' % locals() )
# con_repl.execute_immediate( table_ddl )
# con_repl.commit()
# con_repl.close()
#
#
# db_conn.execute_immediate( table_ddl )
# db_conn.commit()
#
# ddl_for_replication='''
# create table replicate_config (
# name varchar(31) not null,
# data_source varchar(255) not null
# );
#
# insert into replicate_config (name, data_source)
# values ('ds1', '%(fdb_repl)s');
#
# create trigger persons_replicate
# after insert on persons
# external name 'udrcpp_example!replicate!ds1'
# engine udr;
#
# create trigger persons_replicate2
# after insert on persons
# external name 'udrcpp_example!replicate_persons!ds1'
# engine udr;
# commit;
#
# ''' % locals()
#
# f_apply_ddl_sql = open( os.path.join(context['temp_directory'],'tmp_5972.sql'), 'w', buffering = 0)
# f_apply_ddl_sql.write( ddl_for_replication )
# flush_and_close( f_apply_ddl_sql )
#
# f_apply_ddl_log = open( '.'.join( (os.path.splitext( f_apply_ddl_sql.name )[0], 'log') ), 'w', buffering = 0)
# subprocess.call( [ context['isql_path'], dsn, '-q', '-i', f_apply_ddl_sql.name ], stdout = f_apply_ddl_log, stderr = subprocess.STDOUT)
# flush_and_close( f_apply_ddl_log )
#
# #--------------------------------
#
# cur = db_conn.cursor()
# try:
# cur.execute( "insert into persons values (1, 'One', 'some_address', 'some_blob_info')" )
# db_conn.commit()
# except Exception as e:
# print('Got exception:', sys.exc_info()[0])
# print(e[0])
#
# finally:
# db_conn.close()
# cur.close()
#
# if fb_major >= 4.0:
# runProgram( context['isql_path'], ['-q', dsn], 'ALTER EXTERNAL CONNECTIONS POOL CLEAR ALL;' )
#
# cleanup( (f_apply_ddl_sql.name, f_apply_ddl_log.name, fdb_repl) )
#
#
#---
act_1 = python_act('db_1', substitutions=substitutions_1)
expected_stdout_1 = """
Got exception: <class 'firebird.driver.types.DatabaseError'>
Execute statement error at isc_dsql_prepare :
335544359 : attempted update of read-only column PERSONS.COMP
Statement : insert into "PERSONS" ("ID", "NAME", "ADDRESS", "INFO", "COMP") values (?, ?, ?, ?, ?)
Data source : Firebird::C:\\FBTESTING\\qa\\fbt-repo\\tmp\\tmp_5972_repl.fdb
-At block line: 9, col: 5
-At trigger 'PERSONS_REPLICATE'
"""
@pytest.mark.version('>=3.0.6')
def test_1(act_1: Action, db_1_repl: Database, capsys):
ddl_for_replication = f"""
create table replicate_config (
name varchar(31) not null,
data_source varchar(255) not null
);
insert into replicate_config (name, data_source)
values ('ds1', '{db_1_repl.db_path}');
create trigger persons_replicate
after insert on persons
external name 'udrcpp_example!replicate!ds1'
engine udr;
create trigger persons_replicate2
after insert on persons
external name 'udrcpp_example!replicate_persons!ds1'
engine udr;
commit;
"""
act_1.isql(switches=['-q'], input=ddl_for_replication)
# Test
with act_1.db.connect() as con:
c = con.cursor()
try:
c.execute("insert into persons values (1, 'One', 'some_address', 'some_blob_info')")
con.commit()
except DatabaseError as e:
print(f'Got exception: {e.__class__}')
print(e)
#
if act_1.is_version('>=4'):
act_1.reset()
act_1.isql(switches=['-q'], input='ALTER EXTERNAL CONNECTIONS POOL CLEAR ALL;')
#
act_1.reset()
act_1.expected_stdout = expected_stdout_1
act_1.stdout = capsys.readouterr().out
assert act_1.clean_stdout == act_1.clean_expected_stdout
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