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firebird-qa/tests/bugs/core_0335_test.py

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#coding:utf-8
#
# id: bugs.core_0335
# title: Unsuccessful execution caused by system error <...> bad BLR -- invalid stream
# decription:
# Original ticket title: "Lost connexion with Big request"
# Test checks that:
# 1) we *can* run query with <N> unions, where <N> is limit specific for 2.5.x vs 3.x
# 2) we can *not* run query with <N+1> unions.
# Actual value of <N> is 128 for 2.5.x (NOT 255 as errormessage issues!) and 255 for 3.0.
#
# Checked on WI-V2.5.7.27025, WI-V3.0.1.32598.
#
# tracker_id: CORE-335
# min_versions: ['2.5.0']
# versions: 3.0
# qmid: None
import pytest
from firebird.qa import db_factory, isql_act, Action
# version: 3.0
# resources: None
substitutions_1 = []
init_script_1 = """
recreate table test(id int);
commit;
insert into test select 1 from rdb$types rows 10;
commit;
"""
db_1 = db_factory(sql_dialect=3, init=init_script_1)
test_script_1 = """
set list on;
set count on;
-- ##########################
-- FIRST QUERY: SHOULD PASS.
-- ##########################
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union -- 10
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union -- 20
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union -- 30
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union -- 40
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union -- 50
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union -- 60
select first 5 * from test union
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select first 5 * from test union
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select first 5 * from test union -- 70
select first 5 * from test union
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select first 5 * from test union -- 80
select first 5 * from test union
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select first 5 * from test union -- 90
select first 5 * from test union
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select first 5 * from test union --100
select first 5 * from test union
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select first 5 * from test union --110
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union --120
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union -- last allowed in 2.5.7; add subsequent leads in 2.5.x to Too many Contexts of Relation/Procedure/Views. Maximum allowed is 255
select first 5 * from test union
select first 5 * from test union --130
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
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select first 5 * from test union --140
select first 5 * from test union
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select first 5 * from test union
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select first 5 * from test union
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select first 5 * from test union
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select first 5 * from test union
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select first 5 * from test union
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select first 5 * from test union
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select first 5 * from test union
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select first 5 * from test union
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select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union --250
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test ------------------- last allowed in 3.0
; /* union select first 5 * from test; */
-- ##########################
-- SECOND QUERY: SHOULD FAIL.
-- ##########################
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union -- 10
select first 5 * from test union
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select first 5 * from test union
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select first 5 * from test union -- 20
select first 5 * from test union
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select first 5 * from test union
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select first 5 * from test union
select first 5 * from test union
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select first 5 * from test union -- 30
select first 5 * from test union
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select first 5 * from test union
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select first 5 * from test union
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select first 5 * from test union
select first 5 * from test union -- 40
select first 5 * from test union
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select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union -- 50
select first 5 * from test union
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select first 5 * from test union -- 60
select first 5 * from test union
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select first 5 * from test union
select first 5 * from test union -- 70
select first 5 * from test union
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select first 5 * from test union
select first 5 * from test union -- 80
select first 5 * from test union
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select first 5 * from test union -- 90
select first 5 * from test union
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select first 5 * from test union --100
select first 5 * from test union
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select first 5 * from test union
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select first 5 * from test union
select first 5 * from test union
select first 5 * from test union --110
select first 5 * from test union
select first 5 * from test union
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select first 5 * from test union
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select first 5 * from test union
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select first 5 * from test union --120
select first 5 * from test union
select first 5 * from test union
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select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union -- last allowed in 2.5.7; add subsequent leads in 2.5.x to Too many Contexts of Relation/Procedure/Views. Maximum allowed is 255
select first 5 * from test union
select first 5 * from test union --130
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
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select first 5 * from test union
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select first 5 * from test union
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select first 5 * from test union
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select first 5 * from test union --190
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select first 5 * from test union
select first 5 * from test union
select first 5 * from test union --220
select first 5 * from test union
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select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union --230
select first 5 * from test union
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select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union --240
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union --250
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test union
select first 5 * from test ------------------- last allowed in 3.0
union all select first 5 * from test;
"""
act_1 = isql_act('db_1', test_script_1, substitutions=substitutions_1)
expected_stdout_1 = """
ID 1
Records affected: 1
"""
expected_stderr_1 = """
Statement failed, SQLSTATE = 54001
Dynamic SQL Error
-Too many Contexts of Relation/Procedure/Views. Maximum allowed is 256
"""
@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_stderr == act_1.clean_expected_stderr
assert act_1.clean_stdout == act_1.clean_expected_stdout
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