[GitHub] [olingo-odata4] cgoncas opened a new pull request, #111: Support count of a filtered collection in a $filter expression

[GitBox <gi...@apache.org>]

cgoncas opened a new pull request, #111:
URL: https://github.com/apache/olingo-odata4/pull/111

   I think Olingo doesn't support the current Expression defined in http://docs.oasis-open.org/odata/odata/v4.01/odata-v4.01-part2-url-conventions.html#sec_AddressingtheCountofaCollection
   
   The $filter=Products/$count  expression is supported, but when I try to define $filter=Products/$count($filter=Price eq 5.0) the following error is retrieved:
   
   Illegal value of '$filter' option!
   
       at org.apache.olingo.server.core.uri.parser.Parser.checkOptionEOF(Parser.java:504)
       at org.apache.olingo.server.core.uri.parser.Parser.parseFilterOption(Parser.java:415)
       at org.apache.olingo.server.core.uri.parser.Parser.parseUri(Parser.java:281)
       at org.apache.olingo.server.core.uri.parser.FilterParserTest.basic(FilterParserTest.java:58)
       at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
       at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
       at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
       at java.lang.reflect.Method.invoke(Method.java:498)
       at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:59)
       at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
       at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)
       at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
       at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
       at org.junit.runners.BlockJUnit4ClassRunner$1.evaluate(BlockJUnit4ClassRunner.java:100)
       at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:366)
       at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:103)
       at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:63)
       at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331)
       at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79)
       at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329)
       at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66)
       at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293)
       at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
       at org.junit.runners.ParentRunner.run(ParentRunner.java:413)
       at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
       at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:69)
       at com.intellij.rt.junit.IdeaTestRunner$Repeater$1.execute(IdeaTestRunner.java:38)
       at com.intellij.rt.execution.junit.TestsRepeater.repeat(TestsRepeater.java:11)
       at com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:35)
       at com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:235)
       at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:54)


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