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

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

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        }

        private void checkWarning(String query, String warnMsg)
        throws FrontendException {
            LogicalPlan plan = generateLogicalPlan(query);
            new ColumnAliasConversionVisitor( plan ).visit();
            // validate
            CompilationMessageCollector collector = new CompilationMessageCollector() ;
            TypeCheckingRelVisitor typeChecker = new TypeCheckingRelVisitor(plan, collector);
            typeChecker.visit(); 
            new CastLineageSetter(plan, collector).visit();
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    public static LogicalPlan parse(String query, PigContext pc) throws FrontendException {
        Map<String, String> fileNameMap = new HashMap<String, String>();
        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() ;
       
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    public static LogicalPlan parseAndPreprocess(String query, PigContext pc) throws FrontendException {
        Map<String, String> fileNameMap = new HashMap<String, String>();
        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() ;
       
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Related Classes of org.apache.pig.newplan.logical.visitor.ColumnAliasConversionVisitor

  • org.apache.pig.newplan.DependencyOrderWalker
  • org.apache.pig.newplan.logical.expression.LogicalExpression
  • org.apache.pig.newplan.logical.expression.LogicalExpressionPlan
  • org.apache.pig.newplan.logical.expression.LogicalExpressionVisitor
  • org.apache.pig.newplan.logical.relational.LogicalPlan
  • org.apache.pig.newplan.logical.relational.LogicalSchema
  • org.apache.pig.parser.TestColumnAliasConversion
  • org.apache.pig.PigServer$Graph
  • org.apache.pig.test.TestProjectRange
  • org.apache.pig.test.TestTypeCheckingValidatorNewLP
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