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84 lines
3.4 KiB
Python
84 lines
3.4 KiB
Python
#coding:utf-8
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"""
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ID: issue-4218
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ISSUE: 4218
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TITLE: Extend the error reported for index/constraint violations to include the problematic key value
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DESCRIPTION:
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JIRA: CORE-3881
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FBTEST: bugs.core_3881
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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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recreate table tmain(
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id int constraint tmain_pk primary key using index tmain_pk
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,mka int
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,mkb int
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,constraint tmain_mka_mkb_constraint_unq unique(mka, mkb) using index tmain_mka_mkb_constraint_unq
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,constraint tmain_fka foreign key (mka) references tmain(id) on update set null using index tmain_fka
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,constraint tmain_fkb foreign key (mkb) references tmain(id) on update set null using index tmain_fkb
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);
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create unique descending index tmain_difference_unq_idx on tmain computed by( (coalesce(mka,0) - coalesce(mkb,0)) );
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commit;
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insert into tmain(id, mka, mkb) values( 100, 100, null);
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insert into tmain(id, mka, mkb) values( 200, null, 200);
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insert into tmain(id, mka, mkb) values( 300, 200, null);
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commit;
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-- This statement should violate primary key constraint:
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insert into tmain(id, mka, mkb) select 600-id, 600-id, mkb from tmain where id<>200;
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-- This will violate unique constraint `tmain_mka_mkb_constraint_unq` defined on two nullable fields:(mka, mkb):
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insert into tmain(id, mka, mkb) values(500, null,200);
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-- This will violate unique computed-by index `tmain_difference_unq_idx` because NULLS are treated in its expression as ZEROES:
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update tmain set mka=null, mkb=null;
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-- This will violate unique constraint `tmain_mka_mkb_constraint_unq` defined on two nullable fields:(mka, mkb):
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update tmain set mka=coalesce(mka, 200), mkb=coalesce(mkb, 200);
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-- This will force CASCADE trigger to make updating values in fields `mka` and `mkb` to NULLS.
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-- But it means that these NULLS will be treated as ZEROEs in expression of computed-by index `tmain_difference_unq_idx`
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-- and thus again will violate its uniquness:
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update tmain set id=0 where id=200; -- uniq idx tmain_difference_unq_idx, At trigger 'CHECK_nn'
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"""
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act = isql_act('db', test_script, substitutions=[('-At trigger.*', '')])
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expected_stderr = """
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Statement failed, SQLSTATE = 23000
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violation of PRIMARY or UNIQUE KEY constraint "TMAIN_PK" on table "TMAIN"
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-Problematic key value is ("ID" = 300)
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Statement failed, SQLSTATE = 23000
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violation of PRIMARY or UNIQUE KEY constraint "TMAIN_MKA_MKB_CONSTRAINT_UNQ" on table "TMAIN"
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-Problematic key value is ("MKA" = NULL, "MKB" = 200)
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Statement failed, SQLSTATE = 23000
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attempt to store duplicate value (visible to active transactions) in unique index "TMAIN_DIFFERENCE_UNQ_IDX"
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-Problematic key value is (<expression> = 0)
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Statement failed, SQLSTATE = 23000
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violation of PRIMARY or UNIQUE KEY constraint "TMAIN_MKA_MKB_CONSTRAINT_UNQ" on table "TMAIN"
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-Problematic key value is ("MKA" = 200, "MKB" = 200)
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Statement failed, SQLSTATE = 23000
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attempt to store duplicate value (visible to active transactions) in unique index "TMAIN_DIFFERENCE_UNQ_IDX"
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-Problematic key value is (<expression> = 0)
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-At trigger 'CHECK_2'
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"""
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@pytest.mark.version('>=3')
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def test_1(act: Action):
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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
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