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Posted to issues@hive.apache.org by "Hive QA (JIRA)" <ji...@apache.org> on 2017/02/06 13:24:41 UTC
[jira] [Commented] (HIVE-14450) Vectorization:
StringExpr::truncate() can assume 1 byte per-char minimum
[ https://issues.apache.org/jira/browse/HIVE-14450?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15853977#comment-15853977 ]
Hive QA commented on HIVE-14450:
--------------------------------
Here are the results of testing the latest attachment:
https://issues.apache.org/jira/secure/attachment/12851156/HIVE-14450.1.patch
{color:red}ERROR:{color} -1 due to no test(s) being added or modified.
{color:red}ERROR:{color} -1 due to 3 failed/errored test(s), 10226 tests executed
*Failed tests:*
{noformat}
TestDerbyConnector - did not produce a TEST-*.xml file (likely timed out) (batchId=235)
org.apache.hadoop.hive.cli.TestEncryptedHDFSCliDriver.testCliDriver[encryption_join_with_different_encryption_keys] (batchId=159)
org.apache.hadoop.hive.llap.daemon.impl.TestTaskExecutorService.testWaitQueuePreemption (batchId=277)
{noformat}
Test results: https://builds.apache.org/job/PreCommit-HIVE-Build/3394/testReport
Console output: https://builds.apache.org/job/PreCommit-HIVE-Build/3394/console
Test logs: http://104.198.109.242/logs/PreCommit-HIVE-Build-3394/
Messages:
{noformat}
Executing org.apache.hive.ptest.execution.TestCheckPhase
Executing org.apache.hive.ptest.execution.PrepPhase
Executing org.apache.hive.ptest.execution.ExecutionPhase
Executing org.apache.hive.ptest.execution.ReportingPhase
Tests exited with: TestsFailedException: 3 tests failed
{noformat}
This message is automatically generated.
ATTACHMENT ID: 12851156 - PreCommit-HIVE-Build
> Vectorization: StringExpr::truncate() can assume 1 byte per-char minimum
> ------------------------------------------------------------------------
>
> Key: HIVE-14450
> URL: https://issues.apache.org/jira/browse/HIVE-14450
> Project: Hive
> Issue Type: Improvement
> Components: Vectorization
> Affects Versions: 2.2.0
> Reporter: Gopal V
> Assignee: Teddy Choi
> Attachments: HIVE-14450.1.patch
>
>
> {code}
> public static int truncate(byte[] bytes, int start, int length, int maxLength) {
> int end = start + length;
> // count characters forward
> int j = start;
> int charCount = 0;
> while(j < end) {
> // UTF-8 continuation bytes have 2 high bits equal to 0x80.
> if ((bytes[j] & 0xc0) != 0x80) {
> if (charCount == maxLength) {
> break;
> }
> ++charCount;
> }
> j++;
> }
> return (j - start);
> }
> {code}
> Should not read the bytes if the maxLength is 4096 and the input string has 256 bytes.
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