Examples of PigServer

org.apache.pig.PigServer
This class is the program's connection to Pig. Typically a program will create a PigServer instance. The programmer then registers queries using registerQuery() and retrieves results using openIterator() or store().
org.apache.pig.pigunit.pig.PigServer
Slightly modified PigServer that accepts a list of Pig aliases to override.
The list is given to the GruntParser.

Examples of org.apache.pig.PigServer

        grunt.exec();
    }


    @Test
    public void testExplainOut() throws Throwable {
        PigServer server = new PigServer(ExecType.MAPREDUCE, cluster.getProperties());
        PigContext context = server.getPigContext();
        
        String strCmd = "a = load 'foo' as (foo, fast, regenerate); explain -out /tmp -script "
                + basedir + "/testsubnested_run.pig;";
        
        ByteArrayInputStream cmd = new ByteArrayInputStream(strCmd.getBytes());

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Examples of org.apache.pig.PigServer

        grunt.exec();
    }


    @Test
    public void testPartialExecution() throws Throwable {
        PigServer server = new PigServer(ExecType.MAPREDUCE, cluster.getProperties());
        PigContext context = server.getPigContext();
        
        String strCmd = "rmf bar; rmf baz; "
                + "a = load '"
                + Util.generateURI("file:test/org/apache/pig/test/data/passwd",
                        context)

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Examples of org.apache.pig.PigServer

        grunt.exec();
    }


    @Test
    public void testFileCmds() throws Throwable {
        PigServer server = new PigServer(ExecType.MAPREDUCE, cluster.getProperties());
        PigContext context = server.getPigContext();
        
        String strCmd = 
            "rmf bar; rmf baz;"
            +"a = load '" 
            + Util.generateURI("file:test/org/apache/pig/test/data/passwd", context) + "';"

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Examples of org.apache.pig.PigServer

        grunt.exec();
    }


    @Test
    public void testCD() throws Throwable {
        PigServer server = new PigServer(ExecType.MAPREDUCE, cluster.getProperties());
        PigContext context = server.getPigContext();
        
        String strCmd = 
            "mkdir /tmp;"
            +"mkdir /tmp/foo;"
            +"cd /tmp;"

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Examples of org.apache.pig.PigServer

        grunt.exec();
    }
    
    @Test
    public void testDump() throws Throwable {
        PigServer server = new PigServer(ExecType.MAPREDUCE, cluster.getProperties());
        PigContext context = server.getPigContext();
        
        String strCmd = 
            "rmf bla;"
            +"a = load '"
            + Util.generateURI("file:test/org/apache/pig/test/data/passwd", context) + "';"

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Examples of org.apache.pig.PigServer

        grunt.exec();
    }


    @Test
    public void testIllustrate() throws Throwable {
        PigServer server = new PigServer(ExecType.MAPREDUCE, cluster.getProperties());
        PigContext context = server.getPigContext();
        
        String strCmd = 
            "rmf bla;"
            +"a = load '"
            + Util.generateURI("file:test/org/apache/pig/test/data/passwd", context) + "';"

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Examples of org.apache.pig.PigServer

        grunt.exec();
    }


    @Test
    public void testKeepGoing() throws Throwable {
        PigServer server = new PigServer(ExecType.MAPREDUCE, cluster.getProperties());
        
        PigContext context = server.getPigContext();


        String filename = 
            Util.generateURI("file:test/org/apache/pig/test/data/passwd", context);
        String strCmd = 
            "rmf bar;"

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Examples of org.apache.pig.PigServer

        grunt.exec();
    }


    @Test
    public void testKeepGoigFailed() throws Throwable {
        PigServer server = new PigServer(ExecType.MAPREDUCE, cluster.getProperties());
        PigContext context = server.getPigContext();
        Util.copyFromLocalToCluster(cluster, "test/org/apache/pig/test/data/passwd", "passwd");
        String strCmd = 
            "rmf bar;"
            +"rmf foo;"
            +"rmf baz;"

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Examples of org.apache.pig.PigServer

        assertTrue(caught);
    }


    @Test
    public void testInvalidParam() throws Throwable {
        PigServer server = new PigServer(ExecType.LOCAL, cluster.getProperties());
        PigContext context = server.getPigContext();
        
        String strCmd = 
            "run -param -param;";
            
        ByteArrayInputStream cmd = new ByteArrayInputStream(strCmd.getBytes());

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Examples of org.apache.pig.PigServer

        assertTrue(caught);
    }


    @Test
    public void testStopOnFailure() throws Throwable {
        PigServer server = new PigServer(ExecType.MAPREDUCE, cluster.getProperties());
        PigContext context = server.getPigContext();
        context.getProperties().setProperty("stop.on.failure", ""+true);
        
        String strCmd = 
            "rmf bar;\n"
            +"rmf foo;\n"
            +"rmf baz;\n"
            +"copyFromLocal test/org/apache/pig/test/data/passwd pre;\n"
            +"A = load '" 
            + Util.generateURI("file:test/org/apache/pig/test/data/passwd", context) + "';\n"
            +"B = stream A through `false`;\n"
            +"store B into 'bar' using BinStorage();\n"
            +"A = load 'bar';\n"
            +"store A into 'foo';\n"
            +"cp pre done;\n";
            
        ByteArrayInputStream cmd = new ByteArrayInputStream(strCmd.getBytes());
        InputStreamReader reader = new InputStreamReader(cmd);
        
        Grunt grunt = new Grunt(new BufferedReader(reader), context);


        boolean caught = false;
        try {
            grunt.exec();
        } catch (PigException e) {
            caught = true;
            assertTrue(e.getErrorCode() == 6017);
        }


        assertFalse(server.existsFile("done"));
        assertTrue(caught);
    }

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