[PHOENIX-2930] Cannot resolve columns aliased to its own name

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 4.4.0
• Fix Version/s: 4.9.0
• Labels: alias
• Assignee: Ankit Singhal
• Reporter: Kevin Liew
• Created: 20/May/16 19:50
• Updated: 22/Sep/16 07:23
• Resolved: 22/Sep/16 05:07

Description

Tableau generates queries that alias a fully-qualified column name to its shortened name.

Similar to:

create table test (pk integer primary key);
select test.pk as pk from test group by pk;

Phoenix reports:

8org.apache.calcite.avatica.proto.Responses$ErrorResponse¨
ðjava.lang.RuntimeException: org.apache.phoenix.schema.AmbiguousColumnException: ERROR 502 (42702): Column reference ambiguous or duplicate names. columnName=PK
	at org.apache.calcite.avatica.jdbc.JdbcMeta.propagate(JdbcMeta.java:671)
	at org.apache.calcite.avatica.jdbc.JdbcMeta.prepare(JdbcMeta.java:695)
	at org.apache.calcite.avatica.remote.LocalService.apply(LocalService.java:208)
	at org.apache.calcite.avatica.remote.Service$PrepareRequest.accept(Service.java:1157)
	at org.apache.calcite.avatica.remote.Service$PrepareRequest.accept(Service.java:1131)
	at org.apache.calcite.avatica.remote.AbstractHandler.apply(AbstractHandler.java:95)
	at org.apache.calcite.avatica.remote.ProtobufHandler.apply(ProtobufHandler.java:46)
	at org.apache.calcite.avatica.server.AvaticaProtobufHandler.handle(AvaticaProtobufHandler.java:127)
	at org.eclipse.jetty.server.handler.HandlerList.handle(HandlerList.java:52)
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
	at org.eclipse.jetty.server.Server.handle(Server.java:499)
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:311)
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:257)
	at org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:544)
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)
	at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)
	at java.lang.Thread.run(Thread.java:745)
Caused by: org.apache.phoenix.schema.AmbiguousColumnException: ERROR 502 (42702): Column reference ambiguous or duplicate names. columnName=PK
	at org.apache.phoenix.parse.ParseNodeRewriter.visit(ParseNodeRewriter.java:406)
	at org.apache.phoenix.compile.StatementNormalizer.visit(StatementNormalizer.java:177)
	at org.apache.phoenix.compile.StatementNormalizer.visit(StatementNormalizer.java:58)
	at org.apache.phoenix.parse.ColumnParseNode.accept(ColumnParseNode.java:56)
	at org.apache.phoenix.parse.ParseNodeRewriter.rewrite(ParseNodeRewriter.java:111)
	at org.apache.phoenix.compile.StatementNormalizer.normalize(StatementNormalizer.java:107)
	at org.apache.phoenix.jdbc.PhoenixStatement$ExecutableSelectStatement.compilePlan(PhoenixStatement.java:398)
	at org.apache.phoenix.jdbc.PhoenixStatement$ExecutableSelectStatement.compilePlan(PhoenixStatement.java:378)
	at org.apache.phoenix.jdbc.PhoenixPreparedStatement.getMetaData(PhoenixPreparedStatement.java:223)
	at org.apache.calcite.avatica.jdbc.JdbcMeta.prepare(JdbcMeta.java:689)
	... 15 more