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https://issues.apache.org/jira/browse/HIVE-4933?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14080570#comment-14080570
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Lefty Leverenz commented on HIVE-4933:
--------------------------------------
Thanks [~lars_francke], this is helpful. (I added a missing "AS" for the b_sum
alias.)
* [PARTITION BY with partitioning, ORDER BY, and window specification |
https://cwiki.apache.org/confluence/display/Hive/LanguageManual+WindowingAndAnalytics#LanguageManualWindowingAndAnalytics-PARTITIONBYwithpartitioning,ORDERBY,andwindowspecification]
> Document how aliases work with the OVER clause
> ----------------------------------------------
>
> Key: HIVE-4933
> URL: https://issues.apache.org/jira/browse/HIVE-4933
> Project: Hive
> Issue Type: Bug
> Affects Versions: 0.11.0
> Reporter: Lars Francke
> Assignee: Lars Francke
> Priority: Minor
>
> {code}
> CREATE TABLE test (foo INT);
> hive> SELECT SUM(foo) AS bar OVER (PARTITION BY foo) FROM test;
> MismatchedTokenException(175!=110)
> at
> org.antlr.runtime.BaseRecognizer.recoverFromMismatchedToken(BaseRecognizer.java:617)
> at org.antlr.runtime.BaseRecognizer.match(BaseRecognizer.java:115)
> at
> org.apache.hadoop.hive.ql.parse.HiveParser_FromClauseParser.fromClause(HiveParser_FromClauseParser.java:1424)
> at
> org.apache.hadoop.hive.ql.parse.HiveParser.fromClause(HiveParser.java:35998)
> at
> org.apache.hadoop.hive.ql.parse.HiveParser.selectStatement(HiveParser.java:33974)
> at
> org.apache.hadoop.hive.ql.parse.HiveParser.regular_body(HiveParser.java:33882)
> at
> org.apache.hadoop.hive.ql.parse.HiveParser.queryStatement(HiveParser.java:33389)
> at
> org.apache.hadoop.hive.ql.parse.HiveParser.queryStatementExpression(HiveParser.java:33169)
> at
> org.apache.hadoop.hive.ql.parse.HiveParser.execStatement(HiveParser.java:1284)
> at
> org.apache.hadoop.hive.ql.parse.HiveParser.statement(HiveParser.java:983)
> at
> org.apache.hadoop.hive.ql.parse.ParseDriver.parse(ParseDriver.java:190)
> at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:434)
> at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:352)
> at org.apache.hadoop.hive.ql.Driver.compileInternal(Driver.java:995)
> at org.apache.hadoop.hive.ql.Driver.runInternal(Driver.java:1038)
> at org.apache.hadoop.hive.ql.Driver.run(Driver.java:931)
> at org.apache.hadoop.hive.ql.Driver.run(Driver.java:921)
> at
> org.apache.hadoop.hive.cli.CliDriver.processLocalCmd(CliDriver.java:268)
> at org.apache.hadoop.hive.cli.CliDriver.processCmd(CliDriver.java:220)
> at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:422)
> at
> org.apache.hadoop.hive.cli.CliDriver.executeDriver(CliDriver.java:790)
> at org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:684)
> at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:623)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:606)
> at org.apache.hadoop.util.RunJar.main(RunJar.java:212)
> FAILED: ParseException line 1:20 mismatched input 'OVER' expecting FROM near
> 'bar' in from clause{code}
> The same happens without the {{AS}} but it works when leaving out the alias
> entirely.
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