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Ryan Skraba updated FLINK-35276: -------------------------------- Attachment: job-logs.txt > SortCodeGeneratorTest.testMultiKeys fails on negative zero > ---------------------------------------------------------- > > Key: FLINK-35276 > URL: https://issues.apache.org/jira/browse/FLINK-35276 > Project: Flink > Issue Type: Bug > Components: Table SQL / Planner > Affects Versions: 1.20.0, 1.19.1 > Reporter: Ryan Skraba > Priority: Critical > Labels: test-stability > Attachments: job-logs.txt > > > 1.19 AdaptiveScheduler / Test (module: table) > [https://github.com/apache/flink/actions/runs/8864296211/job/24339523745#step:10:10757] > SortCodeGeneratorTest can fail if one of the generated random row values is > -0.0f. > {code:java} > Apr 28 02:38:03 expect: +I(,SqlRawValue{?},0.0,false); actual: > +I(,SqlRawValue{?},-0.0,false) > Apr 28 02:38:03 expect: +I(,SqlRawValue{?},-0.0,false); actual: > +I(,SqlRawValue{?},0.0,false) > ... > <snip> > ... > Apr 28 02:38:04 expect: +I(,null,4.9695407E17,false); actual: > +I(,null,4.9695407E17,false) > Apr 28 02:38:04 expect: +I(,null,-3.84924672E18,false); actual: > +I(,null,-3.84924672E18,false) > Apr 28 02:38:04 types: [[RAW('java.lang.Integer', ?), FLOAT, BOOLEAN]] > Apr 28 02:38:04 keys: [0, 1]] > Apr 28 02:38:04 expected: 0.0f > Apr 28 02:38:04 but was: -0.0f > Apr 28 02:38:04 at > sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) > Apr 28 02:38:04 at > sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) > Apr 28 02:38:04 at > sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) > Apr 28 02:38:04 at > org.apache.flink.table.planner.codegen.SortCodeGeneratorTest.testInner(SortCodeGeneratorTest.java:632) > Apr 28 02:38:04 at > org.apache.flink.table.planner.codegen.SortCodeGeneratorTest.testMultiKeys(SortCodeGeneratorTest.java:143) > Apr 28 02:38:04 at java.lang.reflect.Method.invoke(Method.java:498) > {code} > In the test code, this is extremely unlikely to occur (one in 2²⁴?) but *has* > happened at this line (when the {{rnd.nextFloat()}} is {{0.0f}} and > {{rnd.nextLong()}} is negative: > [https://github.com/apache/flink/blob/e7ce0a2969633168b9395c683921aa49362ad7a4/flink-table/flink-table-planner/src/test/java/org/apache/flink/table/planner/codegen/SortCodeGeneratorTest.java#L255] > We can reproduce the failure by changing how likely {{0.0f}} is to be > generated at that line. -- This message was sent by Atlassian Jira (v8.20.10#820010)