[jira] [Created] (TAJO-1912) Selection from aliased schemaless tables throws an error

["Jihoon Son (JIRA)" <ji...@apache.org>]

Jihoon Son created TAJO-1912:
--------------------------------

             Summary: Selection from aliased schemaless tables throws an error
                 Key: TAJO-1912
                 URL: https://issues.apache.org/jira/browse/TAJO-1912
             Project: Tajo
          Issue Type: Bug
          Components: Planner/Optimizer
            Reporter: Jihoon Son


See the title. You can reproduce as follows.
{noformat}
default> create external table if not exists self_desc_table2 (*) using json location '/path/to/json/table';
default> select t1.glossary.title from self_desc_table2 t1;
...
2015-10-06 11:15:51,822 ERROR: org.apache.tajo.master.GlobalEngine (printStackTrace(201)) - 
Stack Trace:
org.apache.tajo.exception.TajoInternalError: internal error: Columns projected from TestQueryOnSelfDescTable.self_desc_table2 is not found.
	at org.apache.tajo.plan.rewrite.SelfDescSchemaBuildPhase$Processor.visitRelation(SelfDescSchemaBuildPhase.java:375)
	at org.apache.tajo.plan.rewrite.SelfDescSchemaBuildPhase$Processor.visitRelation(SelfDescSchemaBuildPhase.java:154)
	at org.apache.tajo.plan.algebra.BaseAlgebraVisitor.visit(BaseAlgebraVisitor.java:99)
	at org.apache.tajo.plan.algebra.BaseAlgebraVisitor.visitRelationList(BaseAlgebraVisitor.java:429)
	at org.apache.tajo.plan.algebra.BaseAlgebraVisitor.visit(BaseAlgebraVisitor.java:96)
	at org.apache.tajo.plan.algebra.BaseAlgebraVisitor.visitProjection(BaseAlgebraVisitor.java:319)
	at org.apache.tajo.plan.rewrite.SelfDescSchemaBuildPhase$Processor.visitProjection(SelfDescSchemaBuildPhase.java:184)
	at org.apache.tajo.plan.rewrite.SelfDescSchemaBuildPhase$Processor.visitProjection(SelfDescSchemaBuildPhase.java:154)
	at org.apache.tajo.plan.algebra.BaseAlgebraVisitor.visit(BaseAlgebraVisitor.java:60)
	at org.apache.tajo.plan.rewrite.SelfDescSchemaBuildPhase.process(SelfDescSchemaBuildPhase.java:141)
	at org.apache.tajo.plan.rewrite.BaseLogicalPlanPreprocessEngine.process(BaseLogicalPlanPreprocessEngine.java:94)
	at org.apache.tajo.plan.LogicalPlanPreprocessor.process(LogicalPlanPreprocessor.java:43)
	at org.apache.tajo.plan.LogicalPlanner.createPlan(LogicalPlanner.java:164)
	at org.apache.tajo.plan.LogicalPlanner.createPlan(LogicalPlanner.java:154)
	at org.apache.tajo.master.GlobalEngine.createLogicalPlan(GlobalEngine.java:274)
	at org.apache.tajo.master.GlobalEngine.executeQuery(GlobalEngine.java:190)
	at org.apache.tajo.master.TajoMasterClientService$TajoMasterClientProtocolServiceHandler.submitQuery(TajoMasterClientService.java:303)
	at org.apache.tajo.ipc.TajoMasterClientProtocol$TajoMasterClientProtocolService$2.callBlockingMethod(TajoMasterClientProtocol.java:675)
	at org.apache.tajo.rpc.BlockingRpcServer$ServerHandler.channelRead0(BlockingRpcServer.java:100)
	at org.apache.tajo.rpc.BlockingRpcServer$ServerHandler.channelRead0(BlockingRpcServer.java:61)
	at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105)
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:308)
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:294)
	at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:308)
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:294)
	at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:244)
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:308)
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:294)
	at io.netty.channel.ChannelInboundHandlerAdapter.channelRead(ChannelInboundHandlerAdapter.java:86)
	at org.apache.tajo.rpc.MonitorServerHandler.channelRead(MonitorServerHandler.java:70)
	at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:308)
	at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:294)
	at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:846)
	at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:131)
	at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:511)
	at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:468)
	at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:382)
	at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:354)
	at io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:111)
	at java.lang.Thread.run(Thread.java:745)
{noformat}



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