[GitHub] [beam] harmeeksinghbedi commented on issue #25981: [Bug]: Crash when running SQLTransform query

["harmeeksinghbedi (via GitHub)" <gi...@apache.org>]

harmeeksinghbedi commented on issue #25981:
URL: https://github.com/apache/beam/issues/25981#issuecomment-1483968743

   Here is the wrong example of the class being generated by Janino. 
   
   -----> Class generated 
   **public final class GeneratedMetadata_NonCumulativeCostHandler implements org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rel.metadata.BuiltInMetadata.NonCumulativeCost.Handler**
   {
     public final org.apache.beam.sdk.extensions.sql.impl.CalciteQueryPlanner$NonCumulativeCostImpl provider0;
     public final org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rel.metadata.RelMdPercentageOriginalRows$RelMdNonCumulativeCost provider1;
     public GeneratedMetadata_NonCumulativeCostHandler(
         org.apache.beam.sdk.extensions.sql.impl.CalciteQueryPlanner$NonCumulativeCostImpl provider0,
         org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rel.metadata.RelMdPercentageOriginalRows$RelMdNonCumulativeCost provider1) {
       this.provider0 = provider0;
       this.provider1 = provider1;
     }
     public org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rel.metadata.MetadataDef getDef() {
       return provider0.getDef();
     }
   
     private final Object methodKey0 = new org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rel.metadata.janino.DescriptiveCacheKey("public abstract org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.plan.RelOptCost org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rel.metadata.BuiltInMetadata$NonCumulativeCost$Handler.getNonCumulativeCost(org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rel.RelNode,org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rel.metadata.RelMetadataQuery)");
     public org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.plan.RelOptCost getNonCumulativeCost(
         org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rel.RelNode r,
         org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rel.metadata.RelMetadataQuery mq) {
       while (r instanceof org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rel.metadata.DelegatingMetadataRel) {
         r = ((org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rel.metadata.DelegatingMetadataRel) r).getMetadataDelegateRel();
       }
       final java.util.List key = org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.runtime.FlatLists.of(methodKey0);
       final Object v = mq.map.get(r, key);
       if (v != null) {
         if (v == org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rel.metadata.NullSentinel.ACTIVE) {
           throw new org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rel.metadata.CyclicMetadataException();
         }  
         if (v == org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rel.metadata.NullSentinel.INSTANCE) {
           return null;
         }      
         return (org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.plan.RelOptCost) v;
       }
       mq.map.put(r, key,org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rel.metadata.NullSentinel.ACTIVE);
       try {
         final org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.plan.RelOptCost x = getNonCumulativeCost_(r, mq);
         mq.map.put(r, key, org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.rel.metadata.NullSentinel.mask(x));
         return x;
       } catch (java.lang.Exception e) {
         mq.map.row(r).clear();
         throw e;
   


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