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From "Craig Condit (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-7079) Hive logs errors about missing tables when parsing CTE expressions
Date Fri, 16 May 2014 20:41:19 GMT
Craig Condit created HIVE-7079:
----------------------------------

             Summary: Hive logs errors about missing tables when parsing CTE expressions
                 Key: HIVE-7079
                 URL: https://issues.apache.org/jira/browse/HIVE-7079
             Project: Hive
          Issue Type: Bug
          Components: Query Processor
    Affects Versions: 0.13.0
            Reporter: Craig Condit
            Priority: Minor


Given a query containing common table expressions (CTE) such as:

WITH a AS (SELECT ...), b AS (SELECT ...)
SELECT * FROM a JOIN b on a.col = b.col ...;

Hive CLI executes the query, but logs stack traces at ERROR level during query parsing:

{noformat}
ERROR metadata.Hive: NoSuchObjectException(message:ccondit.a table not found)
	at org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$get_table_result$get_table_resultStandardScheme.read(ThriftHiveMetastore.java:29338)
	at org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$get_table_result$get_table_resultStandardScheme.read(ThriftHiveMetastore.java:29306)
	at org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$get_table_result.read(ThriftHiveMetastore.java:29237)
	at org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:78)
	at org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$Client.recv_get_table(ThriftHiveMetastore.java:1036)
	at org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$Client.get_table(ThriftHiveMetastore.java:1022)
	at org.apache.hadoop.hive.metastore.HiveMetaStoreClient.getTable(HiveMetaStoreClient.java:997)
	at sun.reflect.GeneratedMethodAccessor8.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.apache.hadoop.hive.metastore.RetryingMetaStoreClient.invoke(RetryingMetaStoreClient.java:89)
	at com.sun.proxy.$Proxy7.getTable(Unknown Source)
	at org.apache.hadoop.hive.ql.metadata.Hive.getTable(Hive.java:967)
	at org.apache.hadoop.hive.ql.metadata.Hive.getTable(Hive.java:909)
	at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.getMetaData(SemanticAnalyzer.java:1223)
	at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.getMetaData(SemanticAnalyzer.java:1192)
	at org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.analyzeInternal(SemanticAnalyzer.java:9209)
	at org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:327)
	at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:391)
	at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:291)
	at org.apache.hadoop.hive.ql.Driver.compileInternal(Driver.java:944)
	at org.apache.hadoop.hive.ql.Driver.runInternal(Driver.java:1009)
	at org.apache.hadoop.hive.ql.Driver.run(Driver.java:880)
	at org.apache.hadoop.hive.ql.Driver.run(Driver.java:870)
	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:423)
	at org.apache.hadoop.hive.cli.CliDriver.executeDriver(CliDriver.java:792)
	at org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:686)
	at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:625)
	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)
{noformat}

It looks like Hive is attempting to resolve the CTE aliases as physical tables.



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