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Posted to dev@hive.apache.org by Navis Ryu <na...@nexr.com> on 2014/07/07 11:16:54 UTC
Review Request 23303: Hive logs errors about missing tables when parsing CTE
expressions
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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/23303/
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Review request for hive and Ashutosh Chauhan.
Bugs: HIVE-7079
https://issues.apache.org/jira/browse/HIVE-7079
Repository: hive-git
Description
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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.
Diffs
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ql/src/java/org/apache/hadoop/hive/ql/exec/DDLTask.java d8d900b
ql/src/java/org/apache/hadoop/hive/ql/metadata/Hive.java 4d35176
ql/src/java/org/apache/hadoop/hive/ql/parse/SemanticAnalyzer.java 399f92a
ql/src/java/org/apache/hadoop/hive/ql/parse/TaskCompiler.java b9890af
Diff: https://reviews.apache.org/r/23303/diff/
Testing
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Thanks,
Navis Ryu