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80 lines
1.9 KiB
Python
80 lines
1.9 KiB
Python
#coding:utf-8
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"""
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ID: issue-5444
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ISSUE: 5444
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TITLE: Unique index could be created on non-unique data
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DESCRIPTION:
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JIRA: CORE-5161
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"""
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import pytest
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from firebird.qa import *
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db = db_factory()
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test_script = """
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-- Confirmed on: WI-V3.0.0.32378, WI-V2.5.6.26980:
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-- one might to create unique index when number of inserted rows was >= 3276.
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recreate table t (id int, x int);
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set term ^;
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execute block as
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declare i int = 0;
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begin
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--while (i < 100000) do
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while (i < 50000) do -- minimal number for reproduce: 3276
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begin
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insert into t values ( :i, iif(:i=1, -888888888, -:i) );
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i = i + 1;
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end
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end
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^
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set term ;^
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set list on;
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select sign(count(*)) as cnt_non_zero from t;
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set echo on;
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insert into t values(1, -999999999);
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commit;
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create unique index t_id_unique on t(id);
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set plan on;
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select id, x from t where id = 1;
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"""
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act = isql_act('db', test_script)
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expected_stdout = """
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CNT_NON_ZERO 1
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insert into t values(1, -999999999);
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commit;
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create unique index t_id_unique on t(id);
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set plan on;
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select id, x from t where id = 1;
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PLAN (T NATURAL)
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ID 1
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X -888888888
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ID 1
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X -999999999
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"""
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expected_stderr = """
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Statement failed, SQLSTATE = 23000
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attempt to store duplicate value (visible to active transactions) in unique index "T_ID_UNIQUE"
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-Problematic key value is ("ID" = 1)
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"""
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@pytest.mark.version('>=2.5.6')
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def test_1(act: Action):
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act.expected_stdout = expected_stdout
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act.expected_stderr = expected_stderr
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act.execute()
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assert (act.clean_stderr == act.clean_expected_stderr and
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act.clean_stdout == act.clean_expected_stdout)
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