[
https://issues.apache.org/jira/browse/ASTERIXDB-1203?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Yingyi Bu closed ASTERIXDB-1203.
--------------------------------
Fixed and confirmed by Wail.
> QuantifiedExpressions in IfThenElse throws NPE
> ----------------------------------------------
>
> Key: ASTERIXDB-1203
> URL: https://issues.apache.org/jira/browse/ASTERIXDB-1203
> Project: Apache AsterixDB
> Issue Type: Bug
> Components: AsterixDB, Optimizer
> Reporter: Wail Alkowaileet
> Assignee: Yingyi Bu
>
> I found another bug in the typeComputer:
> - Input:
> {noformat}
> {
> "id":0,
> "names":{
> "count": "1",
> "name" :{
> "firstName" : "wail",
> "lastName" : "Alkowaileet"
> }
> }
> }
> {
> "id":1,
> "names":{
> "count": "2",
> "name" :[
> {
> "firstName" : "wail",
> "lastName" : "Alkowaileet"
> },
> {
> "firstName" : "Sattam",
> "lastName" : "Alsubaiee"
> }
> ]
> }
> }
> {noformat}
> - DDL:
> {noformat}
> create dataverse ifVerse
> use dataverse ifVerse
> create type ifType as open
> {
> id: int32
> }
> create dataset ifds(ifType)
> primary key id
> {noformat}
> - DML:
> {noformat}
> use dataverse ifVerse
> insert into dataset ifds(
> {
> "id":0,
> "names":{
> "count": "1",
> "name" :{
> "firstName" : "wail",
> "lastName" : "Alkowaileet"
> }
> }
> }
> )
> insert into dataset ifds(
> {
> "id":1,
> "names":{
> "count": "2",
> "name" :[
> {
> "firstName" : "wail",
> "lastName" : "Alkowaileet"
> },
> {
> "firstName" : "Sattam",
> "lastName" : "Alsubaiee"
> }
> ]
> }
> }
> )
> {noformat}
> - FLWOR:
> {noformat}
> use dataverse ifVerse
> for $x in dataset ifds
> where (
> if ($x.names.count = "1") then
> $x.names.name.firstName = "wail"
> else
> (some $v in $x.names.name satisfies $v.firstName = "wail")
> )
> return $x
> {noformat}
> - Exception:
> SEVERE: null
> java.lang.NullPointerException
> at
> org.apache.asterix.om.typecomputer.impl.UnaryBooleanOrNullFunctionTypeComputer.computeType(UnaryBooleanOrNullFunctionTypeComputer.java:51)
> at
> org.apache.asterix.dataflow.data.common.AqlExpressionTypeComputer.getTypeForFunction(AqlExpressionTypeComputer.java:86)
> at
> org.apache.asterix.dataflow.data.common.AqlExpressionTypeComputer.getType(AqlExpressionTypeComputer.java:57)
> at
> org.apache.hyracks.algebricks.core.algebra.typing.AbstractTypeEnvironment.getType(AbstractTypeEnvironment.java:45)
> at
> org.apache.asterix.optimizer.rules.CheckFilterExpressionTypeRule.rewritePost(CheckFilterExpressionTypeRule.java:62)
> at
> org.apache.hyracks.algebricks.core.rewriter.base.AbstractRuleController.rewriteOperatorRef(AbstractRuleController.java:125)
> at
> org.apache.hyracks.algebricks.core.rewriter.base.AbstractRuleController.rewriteOperatorRef(AbstractRuleController.java:111)
> at
> org.apache.hyracks.algebricks.core.rewriter.base.AbstractRuleController.rewriteOperatorRef(AbstractRuleController.java:99)
> at
> org.apache.hyracks.algebricks.core.rewriter.base.AbstractRuleController.rewriteOperatorRef(AbstractRuleController.java:111)
> at
> org.apache.hyracks.algebricks.core.rewriter.base.AbstractRuleController.rewriteOperatorRef(AbstractRuleController.java:99)
> at
> org.apache.hyracks.algebricks.core.rewriter.base.AbstractRuleController.rewriteOperatorRef(AbstractRuleController.java:99)
> at
> org.apache.hyracks.algebricks.core.rewriter.base.AbstractRuleController.rewriteOperatorRef(AbstractRuleController.java:99)
> at
> org.apache.hyracks.algebricks.compiler.rewriter.rulecontrollers.SequentialOnceRuleController.rewriteWithRuleCollection(SequentialOnceRuleController.java:44)
> at
> org.apache.hyracks.algebricks.core.rewriter.base.HeuristicOptimizer.runOptimizationSets(HeuristicOptimizer.java:95)
> at
> org.apache.hyracks.algebricks.core.rewriter.base.HeuristicOptimizer.optimize(HeuristicOptimizer.java:82)
> at
> org.apache.hyracks.algebricks.compiler.api.HeuristicCompilerFactoryBuilder$1$1.optimize(HeuristicCompilerFactoryBuilder.java:87)
> at
> org.apache.asterix.api.common.APIFramework.compileQuery(APIFramework.java:289)
> at
> org.apache.asterix.aql.translator.QueryTranslator.rewriteCompileQuery(QueryTranslator.java:1907)
> at
> org.apache.asterix.aql.translator.QueryTranslator.handleQuery(QueryTranslator.java:2482)
> at
> org.apache.asterix.aql.translator.QueryTranslator.compileAndExecute(QueryTranslator.java:394)
> at
> org.apache.asterix.api.http.servlet.APIServlet.doPost(APIServlet.java:148)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
> at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
> at
> org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:546)
> at
> org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:483)
> at
> org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:228)
> at
> org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:956)
> at
> org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:411)
> at
> org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:188)
> at
> org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:891)
> at
> org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:117)
> at
> org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:114)
> at org.eclipse.jetty.server.Server.handle(Server.java:353)
> at
> org.eclipse.jetty.server.HttpConnection.handleRequest(HttpConnection.java:598)
> at
> org.eclipse.jetty.server.HttpConnection$RequestHandler.content(HttpConnection.java:1076)
> at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:805)
> at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:218)
> at
> org.eclipse.jetty.server.HttpConnection.handle(HttpConnection.java:427)
> at
> org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:510)
> at
> org.eclipse.jetty.io.nio.SelectChannelEndPoint.access$000(SelectChannelEndPoint.java:34)
> at
> org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:40)
> at
> org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:450)
> at java.lang.Thread.run(Thread.java:745)
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