Package org.apache.pig.newplan.logical.relational

Examples of org.apache.pig.newplan.logical.relational.LOStore

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        fileName = removeQuotes( fileName );
        FileSpec fileSpec = new FileSpec( fileName, funcSpec );
        String sig = alias + "_" + LogicalPlanBuilder.newOperatorKey(scope);
        stoFunc.setStoreFuncUDFContextSignature(sig);
        LOStore store = new LOStore(lp, fileSpec, stoFunc, sig);
        store.setAlias(alias);

        try {
            stoFunc.relToAbsPathForStoreLocation( fileName, getCurrentDir( pigContext ) );
        } catch (IOException ioe) {
            FrontendException e = new FrontendException(  ioe.getMessage(), ioe );
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            String outputFile, DataStorage dfs) throws Exception {
        LogicalPlan plan = new LogicalPlan();
        FileSpec filespec1 = new FileSpec(generateTmpFile(inputFile).getAbsolutePath(), new FuncSpec("org.apache.pig.builtin.PigStorage"));
        FileSpec filespec2 = new FileSpec(generateTmpFile(outputFile).getAbsolutePath(), new FuncSpec("org.apache.pig.builtin.PigStorage"));
        LOLoad load = newLOLoad(filespec1, null, plan, ConfigurationUtil.toConfiguration(dfs.getConfiguration()));
        LOStore store = new LOStore(plan, filespec2, (StoreFuncInterface) PigContext.instantiateFuncFromSpec(filespec2.getFuncSpec()), null);

        LOFilter filter = new LOFilter(plan);

        plan.add(load);
        plan.add(store);
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            new FileSpec(inputFile, new FuncSpec("org.apache.pig.builtin.PigStorage")) ;
        FileSpec filespec2 =
            new FileSpec(outputFile, new FuncSpec("org.apache.pig.builtin.PigStorage"));
        LOLoad load = newLOLoad( filespec1, null, plan,
                ConfigurationUtil.toConfiguration(dfs.getConfiguration())) ;
        LOStore store = new LOStore(plan, filespec2, (StoreFuncInterface)PigContext.instantiateFuncFromSpec(filespec2.getFuncSpec()), null) ;

        plan.add(load) ;
        plan.add(store) ;

        plan.connect(load, store) ;
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        assertTrue(lp.size()>1);
        Operator op = lp.getSinks().get(0);

        assertTrue(op instanceof LOStore);
        LOStore store = (LOStore)op;

        String p = store.getFileSpec().getFileName();
        p = p.replaceAll("hdfs://[\\-\\w:\\.]*/","/");

        if (isTmp) {
            assertTrue(p.matches("/tmp.*"));
        } else {
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        f1.setAlias("D");
        plan.add(f1);
       
        LogicalRelationalOperator s1 = new LOStore(plan, null, null, null);
        plan.add(s1);      
       
        // load --|-join - filter - store
        // load --|  
        plan.connect(l1, j1);
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    public void testCollectedGrpSpecifiedInSingleQuotes1() throws Exception {
      String query = "A = LOAD '" + INPUT_FILE + "' as (id, name, grade);" +
                     "B = group A by id using 'collected';" +
                     "Store B into 'y';";
        LogicalPlan lp = Util.buildLp(pigServer, query );
        LOStore store = (LOStore)lp.getSinks().get(0);
        LOCogroup grp = (LOCogroup)lp.getPredecessors( store ).get(0);
        Assert.assertEquals( LOCogroup.GROUPTYPE.COLLECTED, grp.getGroupType() );
    }
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    public void testCollectedGrpSpecifiedInSingleQuotes2() throws Exception{
        String query = "A = LOAD '" + INPUT_FILE + "' as (id, name, grade);" +
                       "B = group A all using 'regular';" +
                       "Store B into 'y';";
        LogicalPlan lp = Util.buildLp(pigServer, query );
        LOStore store = (LOStore)lp.getSinks().get(0);
        LOCogroup grp = (LOCogroup)lp.getPredecessors( store ).get(0);
        Assert.assertEquals(LOCogroup.GROUPTYPE.REGULAR, grp.getGroupType());
    }
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            new FileSpec(inputFile, new FuncSpec("org.apache.pig.builtin.PigStorage")) ;
        FileSpec filespec2 =
            new FileSpec(outputFile, new FuncSpec("org.apache.pig.builtin.PigStorage"));
        LOLoad load = newLOLoad( filespec1, null, plan,
                ConfigurationUtil.toConfiguration(dfs.getConfiguration())) ;
        LOStore store = new LOStore(plan, filespec2, (StoreFuncInterface)PigContext.instantiateFuncFromSpec(filespec2.getFuncSpec()), null) ;

        plan.add(load) ;
        plan.add(store) ;

        plan.connect(load, store) ;
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            String query = "A = LOAD 'data1' using "+ DummyCollectableLoader.class.getName() +"() as (id, name, grade);" +
            "B = LOAD 'data2' using "+ DummyIndexableLoader.class.getName() +"() as (id, name, grade);" +
            "C = join A by id left, B by id using 'merge';" +
            "store C into 'out';";
            LogicalPlan lp = Util.buildLp(pigServer, query);
            LOStore store = (LOStore)lp.getSinks().get(0);
            LOJoin join = (LOJoin)lp.getPredecessors(store).get(0);
            assertEquals(LOJoin.JOINTYPE.MERGE, join.getJoinType());

            PigContext pc = new PigContext(ExecType.MAPREDUCE,cluster.getProperties());
            pc.connect();
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                Operator refOp = expr.getImplicitReferencedOperator();
                Operator attachedOp = expr.getAttachedLogicalOperator();
                LogicalPlan lp = (LogicalPlan) attachedOp.getPlan();
                List<Operator> succs = lp.getSuccessors( refOp );
                LOStore store = null;
                FuncSpec interStorageFuncSpec = new FuncSpec(InterStorage.class.getName());
                if( succs != null ) {
                    for( Operator succ : succs ) {
                        if( succ instanceof LOStore
                                && ((LOStore)succ).isTmpStore()
                                && interStorageFuncSpec.equals(
                                    ((LOStore)succ).getOutputSpec().getFuncSpec() ) ) {
                            store = (LOStore)succ;
                            break;
                        }
                    }
                }

                if( store == null ) {
                    FileSpec fileSpec;
                    try {
                        fileSpec = new FileSpec( FileLocalizer.getTemporaryPath( pigContext ).toString(), interStorageFuncSpec );                    // TODO: need to hookup the pigcontext.
                    } catch (IOException e) {
                        throw new PlanValidationException( expr, "Failed to process scalar" + e);
                    }
                    StoreFuncInterface stoFunc = (StoreFuncInterface)PigContext.instantiateFuncFromSpec(interStorageFuncSpec);
                    String sig = LogicalPlanBuilder.newOperatorKey(scope);
                    stoFunc.setStoreFuncUDFContextSignature(sig);
                    store = new LOStore(lp, fileSpec, stoFunc, sig);
                    store.setTmpStore(true);
                    lp.add( store );
                    lp.connect( refOp, store );
                }
               
                expr.setImplicitReferencedOperator(store);
                filenameConst.setValue( store.getOutputSpec().getFileName() );
               
                if( lp.getSoftLinkSuccessors( store ) == null ||
                    !lp.getSoftLinkSuccessors( store ).contains( attachedOp ) ) {
                    lp.createSoftLink( store, attachedOp );
                }
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Related Classes of org.apache.pig.newplan.logical.relational.LOStore

  • org.apache.pig.newplan.logical.visitor.LineageFindRelVisitor$LineageFindExpVisitor
  • org.apache.pig.newplan.logical.visitor.ScalarVisitor
  • org.apache.pig.parser.LogicalPlanBuilder
  • org.apache.pig.parser.QueryParserUtils
  • org.apache.pig.penny.ParsedPigScript
  • org.apache.pig.test.TestBlackAndWhitelistValidator
  • org.apache.pig.test.TestCollectedGroup
  • org.apache.pig.test.TestInputOutputFileValidator
  • org.apache.pig.test.TestInputOutputMiniClusterFileValidator
  • org.apache.pig.test.TestLogicalPlanMigrationVisitor
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