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103 lines
2.6 KiB
Python
103 lines
2.6 KiB
Python
#coding:utf-8
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"""
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ID: issue-5241
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ISSUE: 5241
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TITLE: Statistics for any system index can not be updated/recalculated
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DESCRIPTION:
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JIRA: CORE-4950
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FBTEST: bugs.core_4950
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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 stat(idx_name varchar(31), stat_init double precision, stat_curr double precision);
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recreate table test(id int primary key, pid int references test(id), x int, y int, unique(x,y));
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create or alter view v_stat as
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select
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iif( ri.rdb$index_name starting with 'RDB$PRIMARY',
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'RDB$PRIMARY',
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iif( ri.rdb$index_name starting with 'RDB$FOREIGN',
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'RDB$FOREIGN',
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'RDB$UNIQUE'
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)
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) as idx_name
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,ri.rdb$statistics idx_stat
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from rdb$indices ri
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where ri.rdb$relation_name = upper('test');
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commit;
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insert into test(id, pid, x, y) values( 0, null, null, null);
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set term ^;
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execute block as
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declare i int = 1;
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declare n int = 999;
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begin
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while (i < n) do
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begin
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insert into test(id, pid, x, y) values( :i, :i / 2, iif( mod(:i,2)=0, :i/2, null ), iif( mod(:i,2)=0, null, :i/2 ));
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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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commit;
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insert into stat(idx_name, stat_init) select idx_name, idx_stat from v_stat;
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commit;
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set list on;
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set term ^;
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execute block as
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begin
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for
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select trim(ri.rdb$index_name) idx_name
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from rdb$indices ri
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where ri.rdb$relation_name = upper('test')
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as cursor c
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do
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execute statement 'set statistics index ' || c.idx_name;
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end
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^
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set term ;^
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commit;
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merge into stat t
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using(select idx_name, idx_stat from v_stat) s
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on t.idx_name = s.idx_name
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when matched then update set t.stat_curr = s.idx_stat
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when not matched then insert(idx_name, stat_curr) values( s.idx_name, s.idx_stat);
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commit;
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select idx_name, abs( sign( stat_curr - stat_init ) ) stat_diff
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from stat
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stat order by idx_name;
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"""
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act = isql_act('db', test_script)
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expected_stdout = """
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IDX_NAME RDB$FOREIGN
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STAT_DIFF 1
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IDX_NAME RDB$PRIMARY
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STAT_DIFF 1
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IDX_NAME RDB$UNIQUE
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STAT_DIFF 1
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"""
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@pytest.mark.version('>=3.0')
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def test_1(act: Action):
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act.expected_stdout = expected_stdout
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act.execute()
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assert act.clean_stdout == act.clean_expected_stdout
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