[jira] [Created] (HIVE-5661) Creating a table with column name _c0 produces NoViableAltException

["Xuefu Zhang (JIRA)" <ji...@apache.org>]

Xuefu Zhang created HIVE-5661:
---------------------------------

             Summary: Creating a table with column name _c0 produces NoViableAltException
                 Key: HIVE-5661
                 URL: https://issues.apache.org/jira/browse/HIVE-5661
             Project: Hive
          Issue Type: Bug
          Components: Query Processor
    Affects Versions: 0.12.0
            Reporter: Xuefu Zhang
            Assignee: Xuefu Zhang


{code}
hive> create table tmp8 (_c0 int);
NoViableAltException(13@[])
	at org.apache.hadoop.hive.ql.parse.HiveParser_IdentifiersParser.identifier(HiveParser_IdentifiersParser.java:9614)
	at org.apache.hadoop.hive.ql.parse.HiveParser.identifier(HiveParser.java:31421)
	at org.apache.hadoop.hive.ql.parse.HiveParser.columnNameType(HiveParser.java:26932)
	at org.apache.hadoop.hive.ql.parse.HiveParser.columnNameTypeList(HiveParser.java:25189)
	at org.apache.hadoop.hive.ql.parse.HiveParser.createTableStatement(HiveParser.java:4268)
	at org.apache.hadoop.hive.ql.parse.HiveParser.ddlStatement(HiveParser.java:2020)
	at org.apache.hadoop.hive.ql.parse.HiveParser.execStatement(HiveParser.java:1302)
	at org.apache.hadoop.hive.ql.parse.HiveParser.statement(HiveParser.java:942)
	at org.apache.hadoop.hive.ql.parse.ParseDriver.parse(ParseDriver.java:190)
	at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:433)
	at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:351)
	at org.apache.hadoop.hive.ql.Driver.runInternal(Driver.java:1004)
	at org.apache.hadoop.hive.ql.Driver.run(Driver.java:915)
	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:601)
	at org.apache.hadoop.util.RunJar.main(RunJar.java:208)
FAILED: ParseException line 1:19 cannot recognize input near '_c0' 'int' ')' in column specification
{code}

Instead, a more meaningful error message is desirable.



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