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Posted to issues@spark.apache.org by "Yang Jie (Jira)" <ji...@apache.org> on 2022/10/13 12:03:00 UTC
[jira] [Commented] (SPARK-40732) Double type precision problem
[ https://issues.apache.org/jira/browse/SPARK-40732?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17616996#comment-17616996 ]
Yang Jie commented on SPARK-40732:
----------------------------------
{code:java}
bin/jshell
| 欢迎使用 JShell -- 版本 19
| 要大致了解该版本, 请键入: /help intro
jshell> ((double)9223372036854775807L)/((double)2.0)
$1 ==> 4.611686018427388E18 {code}
{code:java}
zulu17 % bin/jshell
| 欢迎使用 JShell -- 版本 17.0.4.1
| 要大致了解该版本, 请键入: /help intro
jshell> ((double)9223372036854775807L)/((double)2.0)
$1 ==> 4.6116860184273879E18 {code}
{code:java}
bin/jshell
| 欢迎使用 JShell -- 版本 18.0.2.1
| 要大致了解该版本, 请键入: /help intro
jshell> ((double)9223372036854775807L)/((double)2.0)
$1 ==> 4.6116860184273879E18 {code}
The result of `((double)9223372036854775807L)/((double)2.0)` running with Java 19 is different from that of other versions
cc [~rednaxelafx] Do you know why?
> Double type precision problem
> -----------------------------
>
> Key: SPARK-40732
> URL: https://issues.apache.org/jira/browse/SPARK-40732
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 3.4.0
> Reporter: Yang Jie
> Priority: Major
>
> Some case in SQLQueryTestSuite(sql/core) and ThriftServerQueryTestSuite(sql/hive-thriftserver) failed for this reason:
> for example:
>
> {code:java}
> SQLQueryTestSuite-
> try_aggregates.sql *** FAILED ***
> try_aggregates.sql
> Expected "4.61168601842738[79]E18", but got "4.61168601842738[8]E18" Result did not match for query #20
> SELECT try_avg(col) FROM VALUES (9223372036854775807L), (1L) AS tab(col) (SQLQueryTestSuite.scala:495)
> {code}
> {code:java}
> ThriftServerQueryTestSuite- try_aggregates.sql *** FAILED ***
> Expected "4.61168601842738[79]E18", but got "4.61168601842738[8]E18" Result did not match for query #20
> SELECT try_avg(col) FROM VALUES (9223372036854775807L), (1L) AS tab(col) (ThriftServerQueryTestSuite.scala:222)- try_arithmetic.sql *** FAILED ***
> Expected "-4.65661287307739[26]E-10", but got "-4.65661287307739[3]E-10" Result did not match for query #26
> SELECT try_divide(1, (2147483647 + 1)) (ThriftServerQueryTestSuite.scala:222)- datetime-formatting.sql *** FAILED ***
> Expected "...-05-31 19:40:35.123 [3
> 1969-12-31 15:00:00 3
> 1970-12-31 04:59:59.999 3
> 1996-03-31 07:03:33.123 3
> 2018-11-17 05:33:33.123 3
> 2019-12-31 09:33:33.123 3]
> 2100-01-01 01:33:33...", but got "...-05-31 19:40:35.123 [5
> 1969-12-31 15:00:00 5
> 1970-12-31 04:59:59.999 5
> 1996-03-31 07:03:33.123 5
> 2018-11-17 05:33:33.123 3
> 2019-12-31 09:33:33.123 5]
> 2100-01-01 01:33:33..." Result did not match for query #8
> select col, date_format(col, 'F') from v (ThriftServerQueryTestSuite.scala:222) {code}
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