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Fix intDiv of const divider

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This commit is contained in:
hcz 2020-02-25 12:58:26 +08:00
parent 1803656b9f
commit ba35ba01cf
3 changed files with 73 additions and 7 deletions
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2
dbms/src/Functions/intDiv.cpp
View File

@ -33,7 +33,7 @@ struct DivideIntegralByConstantImpl
{
size_t size = a.size();
for (size_t i = 0; i < size; ++i)
c[i] = -c[i];
c[i] = -a[i];
return;
}

60
dbms/tests/queries/0_stateless/00977_int_div.reference
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@ -21,3 +21,63 @@
0
0
0
-1
-2
-3
-4
-5
-6
-7
-8
-9
-10
-1
-2
-3
-4
-5
-6
-7
-8
-9
-10
-1
-2
-3
-4
-5
-6
-7
-8
-9
-10
-1
-2
-3
-4
-5
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-7
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-9
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-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1

18
dbms/tests/queries/0_stateless/00977_int_div.sql
View File

@ -1,14 +1,14 @@
SELECT
sum(ASD) AS asd,
intDiv(toInt64(asd), abs(toInt64(asd))) AS int_div_with_abs,
SELECT
sum(ASD) AS asd,
intDiv(toInt64(asd), abs(toInt64(asd))) AS int_div_with_abs,
intDiv(toInt64(asd), toInt64(asd)) AS int_div_without_abs
FROM
FROM
(
SELECT ASD
FROM
FROM
(
SELECT [-1000, -1000] AS asds
)
)
ARRAY JOIN asds AS ASD
);
@ -17,3 +17,9 @@ SELECT intDivOrZero( CAST(-1000, 'Int64') , CAST(1000, 'Int64') );
SELECT intDiv(-1, number) FROM numbers(1, 10);
SELECT intDivOrZero(-1, number) FROM numbers(1, 10);
SELECT intDiv(toInt32(number), -1) FROM numbers(1, 10);
SELECT intDivOrZero(toInt32(number), -1) FROM numbers(1, 10);
SELECT intDiv(toInt64(number), -1) FROM numbers(1, 10);
SELECT intDivOrZero(toInt64(number), -1) FROM numbers(1, 10);
SELECT intDiv(number, -number) FROM numbers(1, 10);
SELECT intDivOrZero(number, -number) FROM numbers(1, 10);