Package org.apache.pig.newplan.logical.visitor

Examples of org.apache.pig.newplan.logical.visitor.ScalarVisitor

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        QueryParserDriver parserDriver = new QueryParserDriver( pc, "test", fileNameMap );
        org.apache.pig.newplan.logical.relational.LogicalPlan lp = parserDriver.parse( query );
       
        new ColumnAliasConversionVisitor( lp ).visit();
        new SchemaAliasVisitor( lp ).visit();
        new ScalarVisitor( lp, pc ).visit();
       
        CompilationMessageCollector collector = new CompilationMessageCollector() ;
       
        new TypeCheckingRelVisitor( lp, collector).visit();
       
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        QueryParserDriver parserDriver = new QueryParserDriver( pc, "test", fileNameMap );
        org.apache.pig.newplan.logical.relational.LogicalPlan lp = parserDriver.parse( query );
       
        new ColumnAliasConversionVisitor( lp ).visit();
        new SchemaAliasVisitor( lp ).visit();
        new ScalarVisitor( lp, pc ).visit();
       
        CompilationMessageCollector collector = new CompilationMessageCollector() ;
       
        new TypeCheckingRelVisitor( lp, collector).visit();
       
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        private void compile(LogicalPlan lp) throws FrontendException  {
            new ProjStarInUdfExpander(lp).visit();
            new ColumnAliasConversionVisitor( lp ).visit();
            new SchemaAliasVisitor( lp ).visit();
            new ScalarVisitor( lp, pigContext ).visit();
           
            // TODO: move optimizer here from HExecuteEngine.
            // TODO: input/output validation visitor

            CompilationMessageCollector collector = new CompilationMessageCollector() ;
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        QueryParserDriver parserDriver = new QueryParserDriver( pc, "test", fileNameMap );
        org.apache.pig.newplan.logical.relational.LogicalPlan lp = parserDriver.parse( query );

        new ColumnAliasConversionVisitor(lp).visit();
        new SchemaAliasVisitor(lp).visit();
        new ScalarVisitor(lp, pc, "test").visit();

        CompilationMessageCollector collector = new CompilationMessageCollector() ;

        new TypeCheckingRelVisitor( lp, collector).visit();
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        QueryParserDriver parserDriver = new QueryParserDriver( pc, "test", fileNameMap );
        org.apache.pig.newplan.logical.relational.LogicalPlan lp = parserDriver.parse( query );

        new ColumnAliasConversionVisitor( lp ).visit();
        new SchemaAliasVisitor( lp ).visit();
        new ScalarVisitor(lp, pc, "test").visit();

        CompilationMessageCollector collector = new CompilationMessageCollector() ;

        new TypeCheckingRelVisitor( lp, collector).visit();
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            DanglingNestedNodeRemover DanglingNestedNodeRemover = new DanglingNestedNodeRemover( lp );
            DanglingNestedNodeRemover.visit();
           
            new ColumnAliasConversionVisitor(lp).visit();
            new SchemaAliasVisitor(lp).visit();
            new ScalarVisitor(lp, pigContext, scope).visit();

            // TODO: move optimizer here from HExecuteEngine.
            // TODO: input/output validation visitor

            CompilationMessageCollector collector = new CompilationMessageCollector() ;
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            throws FrontendException {

        new DanglingNestedNodeRemover(this).visit();
        new ColumnAliasConversionVisitor(this).visit();
        new SchemaAliasVisitor(this).visit();
        new ScalarVisitor(this, pigContext, scope).visit();

        // ImplicitSplitInsertVisitor has to be called before
        // DuplicateForEachColumnRewriteVisitor.  Detail at pig-1766
        new ImplicitSplitInsertVisitor(this).visit();
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            throws FrontendException {

        new DanglingNestedNodeRemover(this).visit();
        new ColumnAliasConversionVisitor(this).visit();
        new SchemaAliasVisitor(this).visit();
        new ScalarVisitor(this, pigContext, scope).visit();

        // ImplicitSplitInsertVisitor has to be called before
        // DuplicateForEachColumnRewriteVisitor.  Detail at pig-1766
        new ImplicitSplitInsertVisitor(this).visit();
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    private LogicalPlan visit(String query) throws RecognitionException, ParsingFailureException, IOException {
        LogicalPlan plan = ParserTestingUtils.generateLogicalPlan( query );
        PigContext pc = new PigContext( ExecType.LOCAL, new Properties() );
        pc.connect();
        ScalarVisitor visitor = new ScalarVisitor(plan, pc, "test");
        visitor.visit();
        return plan;
    }
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        }
       
        private void compile(LogicalPlan lp) throws FrontendException  {
            new ColumnAliasConversionVisitor( lp ).visit();
            new SchemaAliasVisitor( lp ).visit();
            new ScalarVisitor( lp, pigContext ).visit();
           
            // TODO: move optimizer here from HExecuteEngine.
            // TODO: input/output validation visitor

            CompilationMessageCollector collector = new CompilationMessageCollector() ;
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Related Classes of org.apache.pig.newplan.logical.visitor.ScalarVisitor

  • org.apache.pig.FuncSpec
  • org.apache.pig.impl.io.FileSpec
  • org.apache.pig.newplan.DependencyOrderWalker
  • org.apache.pig.newplan.logical.expression.ConstantExpression
  • org.apache.pig.newplan.logical.expression.LogicalExpressionVisitor
  • org.apache.pig.newplan.logical.relational.LogicalPlan
  • org.apache.pig.newplan.logical.relational.LOStore
  • org.apache.pig.newplan.Operator
  • org.apache.pig.parser.TestScalarVisitor
  • org.apache.pig.PigServer$Graph
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