Examples of org.apache.pig.PigServer.registerFunction()

org.apache.pig.PigServer.registerFunction()
Defines an alias for the given function spec. This is useful for functions that require arguments to the constructor. @param function - the new function alias to define. @param functionSpec - the name of the function and any arguments.It should have the form: classname('arg1', 'arg2', ...) @deprecated Use {@link #registerFunction(String,FuncSpec)}


  String singlePartitionedFile = simpleDataFile.getAbsolutePath();


  PigServer server = new PigServer(ExecType.LOCAL);
  server.setBatchOn();
  server.registerFunction(
    "org.apache.pig.piggybank.storage.HiveColumnarLoader",
    new FuncSpec(funcSpecString));


  server.registerQuery("a = LOAD '" + singlePartitionedFile + "' using "
    + funcSpecString + ";");

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  String singlePartitionedDir = simpleDataDir.getAbsolutePath();


  PigServer server = new PigServer(ExecType.LOCAL);
  server.setBatchOn();
  server.registerFunction(
    "org.apache.pig.piggybank.storage.HiveColumnarLoader",
    new FuncSpec(funcSpecString));


  server.registerQuery("a = LOAD '" + singlePartitionedDir + "' using "
    + funcSpecString + ";");

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        try {
            pig = new PigServer("local");
        } catch (IOException e) {
            Assert.assertTrue(false);  // pig server failed for some reason
        }
        pig.registerFunction("myTr",
            new FuncSpec(GFAny.class.getName() + "('tr o 0')"));
        try{
            pig.registerQuery("b = foreach (load 'a') generate myTr(myTr(*));");
        }catch(Exception e){
            return;

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        try {
            pig = new PigServer("local");
        } catch (IOException e) {
            Assert.assertTrue(false);  // pig server failed for some reason
        }
        pig.registerFunction("myTr",
            new FuncSpec(GFAny.class.getName() + "('tr o 0')"));
        try{
            pig.registerQuery("b = foreach (load 'a') generate myTr(myTr(*));");
        }catch(Exception e){
            return;

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        try {
            pig = new PigServer("local");
        } catch (IOException e) {
            Assert.assertTrue(false);  // pig server failed for some reason
        }
        pig.registerFunction("myTr",
            new FuncSpec(GFAny.class.getName() + "('tr o 0')"));
        try{
            pig.registerQuery("b = foreach (load 'a') generate myTr(myTr(*));");
        }catch(Exception e){
            return;

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