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ASF GitHub Bot logged work on HIVE-23269: ----------------------------------------- Author: ASF GitHub Bot Created on: 11/Jun/20 19:14 Start Date: 11/Jun/20 19:14 Worklog Time Spent: 10m Work Description: dengzhhu653 opened a new pull request #992: URL: https://github.com/apache/hive/pull/992 Comparing bigints and (var)chars may output wrong results ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org Issue Time Tracking ------------------- Worklog Id: (was: 444510) Time Spent: 2h (was: 1h 50m) > Unsafe comparing bigints and strings > ------------------------------------ > > Key: HIVE-23269 > URL: https://issues.apache.org/jira/browse/HIVE-23269 > Project: Hive > Issue Type: Improvement > Affects Versions: 4.0.0 > Reporter: Zhihua Deng > Priority: Major > Labels: pull-request-available > Attachments: HIVE-23269.2.patch, HIVE-23269.3.patch, HIVE-23269.patch > > Time Spent: 2h > Remaining Estimate: 0h > > Comparing bigints and varchars or chars may result to wrong result, for > example: > CREATE TABLE test_a (appid1 varchar(256), appid2 char(20)); > INSERT INTO test_a VALUES ('2882303761517473127', '2882303761517473127'), > ('2882303761517473276','2882303761517473276'); > SET hive.strict.checks.type.safety=false; > SELECT appid1 FROM test_a WHERE appid1 = 2882303761517473127; > SELECT appid2 FROM test_a WHERE appid2 = 2882303761517473127; > Both queries will output the row: > ('2882303761517473276','2882303761517473276') -- This message was sent by Atlassian Jira (v8.3.4#803005)