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108 lines
3.1 KiB
Python
108 lines
3.1 KiB
Python
#coding:utf-8
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"""
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ID: issue-2731
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ISSUE: 2731
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TITLE: Incomplete API information values
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DESCRIPTION:
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Test creates lot of tables with names starting with 'TEST'.
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Then we retrieve from rdb$relations min and max values of this tables ID ('r_min', 'r_max').
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After each table is scanned via execute statement, statistics that we retrieve by call db_into()
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is filled with pair: {relation_id, number_of_seq_reads}.
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We have to ckeck that number of entries in this set with r_min <= relation_id <= rmax NOT LESS than
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number of created tables.
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Also, scan for every table should take at least 1 sequential read - and this is checked too.
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NOTE: we can SKIP checking concrete values of 'number_of_seq_reads', it does not matter in this test!
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Info about 'isc_info_read_seq_count':
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Number of sequential database reads, that is, the number of sequential table scans (row reads)
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Reported per table.
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Calculated since the current database attachment started.
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Confirmed bug on WI-V2.1.2.18118: db_into() received imcompleted data (i.e. not for all tables).
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JIRA: CORE-2307
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FBTEST: bugs.core_2307
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"""
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import pytest
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from firebird.qa import *
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from firebird.driver import DbInfoCode
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db = db_factory()
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act = python_act('db')
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NUM_OF_TABLES = 1000
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sql_ddl = f"""
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set term ^;
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Execute block as
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declare variable i integer = 0;
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begin
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while ( i < {NUM_OF_TABLES} )
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do
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begin
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execute statement 'create table test' || cast(:i as varchar(5)) || ' (c integer)';
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i = i + 1 ;
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end
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end ^
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commit ^
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execute block as
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declare variable i integer = 0;
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begin
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while (i < {NUM_OF_TABLES} )
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do
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begin
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execute statement 'insert into test' || cast(:i as varchar(5)) || ' (c) values (1)';
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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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"""
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sql_dml = """
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execute block returns(r_min int, r_max int) as
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declare n varchar(31);
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declare i integer;
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begin
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for
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select min(rdb$relation_id),max(rdb$relation_id)
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from rdb$relations
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where rdb$relation_name starting with upper('test')
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into r_min, r_max
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do
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suspend;
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for
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select rdb$relation_name
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from rdb$relations
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-- 4 debug only! >> rows 100
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into :n
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do
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execute statement 'select 1 as k from ' || :n || ' rows 1' into :i;
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end
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"""
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@pytest.mark.version('>=3')
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def test_1(act: Action):
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# prepare DB for testing: create lot of tables:
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act.isql(switches=[], input=sql_ddl)
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with act.db.connect() as con:
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c = con.cursor()
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c.execute(sql_dml)
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r_min = 99999999
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r_max = -9999999
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for r in c:
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r_min = r[0] # minimal ID in rdb$relations for user tables ('TEST1')
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r_max = r[1] # maximal ID in rdb$relations for user tables ('TESTnnnnn')
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#
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info = con.info.get_info(DbInfoCode.READ_SEQ_COUNT)
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cnt = 0
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for k, v in info.items():
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cnt = cnt + 1 if k >= r_min and k <= r_max and v >= 1 else cnt
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assert cnt >= NUM_OF_TABLES
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