mirror of
https://github.com/FirebirdSQL/firebird-qa.git
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161 lines
4.8 KiB
Python
161 lines
4.8 KiB
Python
#coding:utf-8
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"""
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ID: issue-3971
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ISSUE: 3971
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TITLE: Window Function: ntile(num_buckets integer)
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DESCRIPTION:
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JIRA: CORE-3618
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FBTEST: bugs.core_3618
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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 test(x int, y int, unique(x,y) using index test_unq_x_y);
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commit;
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insert into test values(null, null);
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insert into test values(null, null);
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insert into test values(null, null);
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insert into test values(null, 101);
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insert into test values(null, 102);
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insert into test values(null, 103);
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insert into test values(null, 104);
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insert into test values(1111, 105);
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insert into test values(1112, 106);
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commit;
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set list on;
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-- from doc: NTILE argument is restricted to
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-- integral positive literal,
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-- variable (:var)
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-- and DSQL parameter (question mark).
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-- This should PASS (even when argument is specified with decimal dot, but without scale):
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select x,y,ntile(3.)over(order by x,y) as n from test order by x,y;
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-- This should PASS:
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set term ^;
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execute block as
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declare n int = 3;
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declare c int;
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begin
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select count(*)
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from (
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select ntile( :n )over(order by x, y) as i from test
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) x
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where x.i = :n
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into c;
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end
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^
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-- This should PASS:
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execute block returns(x int, y int, n int) as
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begin
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for
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execute statement ( 'select x,y, ntile(?)over(order by x, y) from test' ) ( 2 )
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into x,y,n
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do
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suspend;
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end^
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set term ;^
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-- These should FAIL:
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select x,y,ntile(null)over(order by x) from test;
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select x,y,ntile(0)over(order by x) from test;
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select x,y,ntile(-1)over(order by x) from test;
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select x,y,ntile(3.0)over(order by x) from test order by x,y;
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"""
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act = isql_act('db', test_script, substitutions=[('line \\d+, column \\d+', '')])
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expected_stdout = """
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X <null>
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Y <null>
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N 1
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X <null>
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Y <null>
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N 1
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X <null>
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Y <null>
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N 1
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X <null>
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Y 101
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N 2
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X <null>
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Y 102
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N 2
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X <null>
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Y 103
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N 2
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X <null>
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Y 104
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N 3
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X 1111
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Y 105
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N 3
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X 1112
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Y 106
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N 3
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X <null>
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Y <null>
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N 1
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X <null>
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Y <null>
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N 1
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X <null>
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Y <null>
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N 1
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X <null>
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Y 101
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N 1
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X <null>
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Y 102
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N 1
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X <null>
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Y 103
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N 2
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X <null>
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Y 104
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N 2
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X 1111
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Y 105
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N 2
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X 1112
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Y 106
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N 2
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"""
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expected_stderr = """
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Statement failed, SQLSTATE = 42000
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Dynamic SQL Error
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-SQL error code = -104
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-Token unknown -
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-null
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Statement failed, SQLSTATE = 42000
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Argument #1 for NTILE must be positive
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Statement failed, SQLSTATE = 42000
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Dynamic SQL Error
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-SQL error code = -104
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-Token unknown -
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--
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Statement failed, SQLSTATE = 42000
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Arguments for NTILE must be integral types or NUMERIC/DECIMAL without scale
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"""
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@pytest.mark.version('>=4.0')
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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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