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From "Till Westmann (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (ASTERIXDB-1079) IX-NLJ fails with limit (during rewrite)
Date Mon, 14 Sep 2015 17:34:45 GMT

     [ https://issues.apache.org/jira/browse/ASTERIXDB-1079?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Till Westmann updated ASTERIXDB-1079:
-------------------------------------
    Assignee: Yingyi Bu

> IX-NLJ fails with limit (during rewrite)
> ----------------------------------------
>
>                 Key: ASTERIXDB-1079
>                 URL: https://issues.apache.org/jira/browse/ASTERIXDB-1079
>             Project: Apache AsterixDB
>          Issue Type: Bug
>          Components: AsterixDB, Optimizer
>            Reporter: Pouria
>            Assignee: Yingyi Bu
>
> Adding a limit clause to the Index join query from our famous TinySocial tutorial causes
the query to fail during rewrite phase. 
> Here is the query;
> use dataverse TinySocial;
>        for $user in dataset MugshotUsers
>         for $message in dataset MugshotMessages
>         where $message.author_id /*+ indexnl */  = $user.id
>         limit 20
>         return {
>         "uname": $user.name,
>         "message": $message.message
>         };
> and Here is the error stack:
> java.lang.NullPointerException
> 	at edu.uci.ics.hyracks.algebricks.core.algebra.operators.physical.OneToOneExchangePOperator.computeDeliveredProperties(OneToOneExchangePOperator.java:45)
> 	at edu.uci.ics.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator.computeDeliveredPhysicalProperties(AbstractLogicalOperator.java:118)
> 	at edu.uci.ics.hyracks.algebricks.core.algebra.util.OperatorPropertiesUtil.computeSchemaAndPropertiesRecIfNull(OperatorPropertiesUtil.java:227)
> 	at edu.uci.ics.hyracks.algebricks.rewriter.rules.IsolateHyracksOperatorsRule.insertOneToOneExchange(IsolateHyracksOperatorsRule.java:133)
> 	at edu.uci.ics.hyracks.algebricks.rewriter.rules.IsolateHyracksOperatorsRule.testIfExchangeBelow(IsolateHyracksOperatorsRule.java:73)
> 	at edu.uci.ics.hyracks.algebricks.rewriter.rules.IsolateHyracksOperatorsRule.rewritePost(IsolateHyracksOperatorsRule.java:51)
> 	at edu.uci.ics.hyracks.algebricks.core.rewriter.base.AbstractRuleController.rewriteOperatorRef(AbstractRuleController.java:122)
> 	at edu.uci.ics.hyracks.algebricks.core.rewriter.base.AbstractRuleController.rewriteOperatorRef(AbstractRuleController.java:96)
> 	at edu.uci.ics.hyracks.algebricks.core.rewriter.base.AbstractRuleController.rewriteOperatorRef(AbstractRuleController.java:96)
> 	at edu.uci.ics.hyracks.algebricks.core.rewriter.base.AbstractRuleController.rewriteOperatorRef(AbstractRuleController.java:96)
> 	at edu.uci.ics.hyracks.algebricks.core.rewriter.base.AbstractRuleController.rewriteOperatorRef(AbstractRuleController.java:96)
> 	at edu.uci.ics.hyracks.algebricks.core.rewriter.base.AbstractRuleController.rewriteOperatorRef(AbstractRuleController.java:96)
> 	at edu.uci.ics.hyracks.algebricks.core.rewriter.base.AbstractRuleController.rewriteOperatorRef(AbstractRuleController.java:96)
> 	at edu.uci.ics.hyracks.algebricks.core.rewriter.base.AbstractRuleController.rewriteOperatorRef(AbstractRuleController.java:96)
> 	at edu.uci.ics.hyracks.algebricks.compiler.rewriter.rulecontrollers.SequentialOnceRuleController.rewriteWithRuleCollection(SequentialOnceRuleController.java:40)
> 	at edu.uci.ics.hyracks.algebricks.core.rewriter.base.HeuristicOptimizer.runOptimizationSets(HeuristicOptimizer.java:91)
> 	at edu.uci.ics.hyracks.algebricks.core.rewriter.base.HeuristicOptimizer.runPhysicalOptimizations(HeuristicOptimizer.java:122)
> 	at edu.uci.ics.hyracks.algebricks.core.rewriter.base.HeuristicOptimizer.optimize(HeuristicOptimizer.java:80)
> 	at edu.uci.ics.hyracks.algebricks.compiler.api.HeuristicCompilerFactoryBuilder$1$1.optimize(HeuristicCompilerFactoryBuilder.java:83)
> 	at edu.uci.ics.asterix.api.common.APIFramework.compileQuery(APIFramework.java:275)
> 	at edu.uci.ics.asterix.aql.translator.AqlTranslator.rewriteCompileQuery(AqlTranslator.java:1893)
> 	at edu.uci.ics.asterix.aql.translator.AqlTranslator.handleQuery(AqlTranslator.java:2473)
> 	at edu.uci.ics.asterix.aql.translator.AqlTranslator.compileAndExecute(AqlTranslator.java:378)
> 	at edu.uci.ics.asterix.api.http.servlet.APIServlet.doPost(APIServlet.java:111)
> 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:754)
> 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
> 	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:546)
> 	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:483)
> 	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231)
> 	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:970)
> 	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:411)
> 	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:192)
> 	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:904)
> 	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:117)
> 	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:110)
> 	at org.eclipse.jetty.server.Server.handle(Server.java:347)
> 	at org.eclipse.jetty.server.HttpConnection.handleRequest(HttpConnection.java:439)
> 	at org.eclipse.jetty.server.HttpConnection$RequestHandler.content(HttpConnection.java:924)
> 	at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:781)
> 	at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:220)
> 	at org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:43)
> 	at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:545)
> 	at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:43)
> 	at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:529)
> 	at java.lang.Thread.run(Thread.java:745)
>  



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