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Sergey Shelukhin commented on HIVE-14995: ----------------------------------------- Seems like .out files need to be updated for the tests > double conversion can corrupt partition column values for insert with dynamic > partitions > ---------------------------------------------------------------------------------------- > > Key: HIVE-14995 > URL: https://issues.apache.org/jira/browse/HIVE-14995 > Project: Hive > Issue Type: Bug > Reporter: Sergey Shelukhin > Priority: Critical > Attachments: HIVE-14995.1.patch > > > {noformat} > set hive.mapred.mode=nonstrict; > set hive.explain.user=false; > set hive.exec.dynamic.partition.mode=nonstrict; > set hive.fetch.task.conversion=none; > drop table iow1; > create table iow1(key int) partitioned by (key2 int); > select key, key + 1 as k1, key + 1 as k2 from src where key >= 0 order by k1 > desc limit 1; > explain > insert overwrite table iow1 partition (key2) > select key + 1 as k1, key + 1 as k2 from src where key >= 0 order by k1 desc > limit 1; > insert overwrite table iow1 partition (key2) > select key + 1 as k1, key + 1 as k2 from src where key >= 0 order by k1 desc > limit 1; > {noformat} > The result of the select query has the column converted to double (because > src.key is string). > {noformat} > 498 499.0 499.0 > {noformat} > When inserting that into table, the value is converted correctly to integer > for the regular column, but not for partition column. > Explain for insert (extracted) > {noformat} > Map Operator Tree: > ... > Select Operator > expressions: (UDFToDouble(key) + 1.0) (type: double) > ... > Reduce Output Operator > key expressions: _col0 (type: double) > ... > Reduce Operator Tree: > Select Operator > expressions: KEY.reducesinkkey0 (type: double), KEY.reducesinkkey0 > (type: double) > ... > Select Operator > expressions: UDFToInteger(_col0) (type: int), _col1 (type: > double) > ... followed by FSOP and load into table > {noformat} > The result of the select from the resulting table is: > {noformat} > POSTHOOK: query: select key, key2 from iow1 > ... > POSTHOOK: Input: default@iow1@key2=499.0 > ... > 499 NULL > {noformat} > Woops! -- This message was sent by Atlassian JIRA (v6.3.4#6332)