mirror of
https://github.com/FirebirdSQL/firebird-qa.git
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136 lines
7.3 KiB
Python
136 lines
7.3 KiB
Python
#coding:utf-8
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"""
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ID: issue-6463
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ISSUE: 6463
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TITLE: Add support for special (inf/nan) values when sorting DECFLOAT values
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DESCRIPTION:
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JIRA: CORE-6219
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FBTEST: bugs.core_6219
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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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set list on;
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set decfloat traps to;
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recreate table test0(n decfloat);
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commit;
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insert into test0 values( cast('-0' as decfloat ) );
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insert into test0 values( cast('NaN' as decfloat ) );
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insert into test0 values( cast('sNaN' as decfloat ) );
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insert into test0 values( cast('-NaN' as decfloat ) );
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insert into test0 values( cast('-SNaN' as decfloat ) );
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insert into test0 values( cast('0' as decfloat ) );
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insert into test0 values( cast('-inf' as decfloat ) );
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insert into test0 values( cast('-0.10' as decfloat ) );
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insert into test0 values( cast('0.10' as decfloat ) );
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insert into test0 values( cast('inf' as decfloat ) );
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insert into test0 values( cast('0.100' as decfloat ) );
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insert into test0 values( cast('-0.100' as decfloat ) );
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commit;
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-----------------------------------------------------------------------------
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select
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t.*
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,iif( "-nan" < "-snan", '-nan LSS -snan', iif( "-nan" > "-snan", '-nan GTR -snan', iif("-nan" = "-snan", '-nan EQU -snan', 'UNKNOWN') ) ) as "Arithmetic: -nan vs to -snan:"
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,iif( "-snan" < "-inf", '-snan LSS -inf', iif( "-snan" > "-inf", '-snan GTR -inf', iif("-snan" = "-inf", '-snan EQU -inf', 'UNKNOWN') ) ) as "Arithmetic: -snan vs to -inf:"
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,iif( "-inf" < "-0.1", '-inf LSS -0.1', iif( "-inf" > "-0.1", '-inf GTR -0.1', iif("-inf" = "-0.1", '-inf EQU -0.1', 'UNKNOWN') ) ) as "Arithmetic: -inf vs to -0.1:"
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,iif( "-0.1" < "-0.10", '-0.1 LSS -0.10', iif( "-0.1" > "-0.10", '-0.1 GTR -0.10', iif("-0.1" = "-0.10", '-0.1 EQU -0.10', 'UNKNOWN') ) ) as "Arithmetic: -0.1 vs to -0.10:"
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,iif( "-0.10" < "-0", '-0.10 LSS -0', iif( "-0.10" > "-0", '-0.10 GTR -0', iif("-0.10" = "-0", '-0.10 EQU -0', 'UNKNOWN') ) ) as "Arithmetic: -0.10 vs to -0:"
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,iif( "-0" < "0", '-0 LSS 0', iif( "-0" > "0", '-0 GTR 0', iif("-0" = "0", '-0 EQU 0', 'UNKNOWN') ) ) as "Arithmetic: -0 vs to 0:"
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,iif( "0" < "0.10", '0 LSS 0.10', iif( "0" > "0.10", '0 GTR 0.10', iif("0" = "0.10", '0 EQU 0.10', 'UNKNOWN') ) ) as "Arithmetic: 0 vs to 0.10:"
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,iif( "0.10" < "0.1", '0.10 LSS 0.1', iif( "0.10" > "0.1", '0.10 GTR 0.1', iif("0.10" = "0.1", '0.10 EQU 0.1', 'UNKNOWN') ) ) as "Arithmetic: 0.10 vs to 0.1:"
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,iif( "0.1" < "inf", '0.1 LSS inf', iif( "0.1" > "inf", '0.1 GTR inf', iif("0.1" = "inf", '0.1 EQU inf', 'UNKNOWN') ) ) as "Arithmetic: 0.1 vs to inf:"
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,iif( "inf" < "snan", 'inf LSS snan', iif( "inf" > "snan", 'inf GTR snan', iif("inf" = "snan", 'inf EQU snan', 'UNKNOWN') ) ) as "Arithmetic: inf vs to snan:"
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,iif( "snan" < "nan", 'snan LSS nan', iif( "snan" > "nan", 'snan GTR nan', iif("snan" = "nan", 'snan EQU nan', 'UNKNOWN') ) ) as "Arithmetic: snan vs to nan:"
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from (
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select
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-cast('foo' as decfloat) as "-nan"
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,-cast('snan' as decfloat) as "-snan"
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,-cast(1/1e-9999 as decfloat) as "-inf"
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,-cast(0.1 as decfloat) as "-0.1"
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,-cast(0.10 as decfloat) as "-0.10"
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,-cast(0 as decfloat) as "-0"
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,cast(0 as decfloat) as "0"
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,cast(0.10 as decfloat) as "0.10"
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,cast(0.1 as decfloat) as "0.1"
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,cast(1/1e-9999 as decfloat) as "inf"
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,cast('snan' as decfloat) as "snan"
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,cast('bar' as decfloat) as "nan"
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from rdb$database
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) t;
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-----------------------------------------------------------------------------
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select n as data_ordered_by_n from test0 order by n;
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select lead(n)over(order by n) as data_lead_n from test0;
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"""
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act = isql_act('db', test_script, substitutions=[('[ \t]+', ' ')])
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expected_stdout = """
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-nan -NaN
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-snan -sNaN
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-inf -Infinity
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-0.1 -0.1
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-0.10 -0.10
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-0 -0
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0 0
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0.10 0.10
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0.1 0.1
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inf Infinity
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snan sNaN
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nan NaN
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Arithmetic: -nan vs to -snan: -nan EQU -snan
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Arithmetic: -snan vs to -inf: -snan EQU -inf
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Arithmetic: -inf vs to -0.1: -inf LSS -0.1
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Arithmetic: -0.1 vs to -0.10: -0.1 EQU -0.10
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Arithmetic: -0.10 vs to -0: -0.10 LSS -0
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Arithmetic: -0 vs to 0: -0 EQU 0
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Arithmetic: 0 vs to 0.10: 0 LSS 0.10
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Arithmetic: 0.10 vs to 0.1: 0.10 EQU 0.1
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Arithmetic: 0.1 vs to inf: 0.1 LSS inf
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Arithmetic: inf vs to snan: inf EQU snan
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Arithmetic: snan vs to nan: snan EQU nan
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DATA_ORDERED_BY_N -NaN
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DATA_ORDERED_BY_N -sNaN
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DATA_ORDERED_BY_N -Infinity
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DATA_ORDERED_BY_N -0.10
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DATA_ORDERED_BY_N -0.100
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DATA_ORDERED_BY_N 0
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DATA_ORDERED_BY_N -0
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DATA_ORDERED_BY_N 0.10
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DATA_ORDERED_BY_N 0.100
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DATA_ORDERED_BY_N Infinity
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DATA_ORDERED_BY_N sNaN
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DATA_ORDERED_BY_N NaN
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DATA_LEAD_N -sNaN
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DATA_LEAD_N -Infinity
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DATA_LEAD_N -0.10
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DATA_LEAD_N -0.100
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DATA_LEAD_N 0
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DATA_LEAD_N -0
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DATA_LEAD_N 0.10
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DATA_LEAD_N 0.100
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DATA_LEAD_N Infinity
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DATA_LEAD_N sNaN
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DATA_LEAD_N NaN
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DATA_LEAD_N <null>
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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.execute()
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assert act.clean_stdout == act.clean_expected_stdout
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