korlov42 commented on a change in pull request #2623:
URL: https://github.com/apache/calcite/pull/2623#discussion_r826736499



##########
File path: core/src/main/java/org/apache/calcite/adapter/jdbc/JdbcRules.java
##########
@@ -544,7 +547,9 @@ public JdbcProject(RelOptCluster cluster, RelTraitSet 
traitSet,
     }
 
     @Override public JdbcProject copy(RelTraitSet traitSet, RelNode input,
-        List<RexNode> projects, RelDataType rowType) {
+        List<RexNode> projects, RelDataType rowType, Set<CorrelationId> 
variablesSet) {
+      Preconditions.checkArgument(variablesSet.isEmpty(),
+          "Correlated scalar subqueries is not supported");

Review comment:
       done

##########
File path: core/src/main/java/org/apache/calcite/interpreter/Bindables.java
##########
@@ -403,12 +405,14 @@ protected BindableProjectRule(Config config) {
   public static class BindableProject extends Project implements BindableRel {
     public BindableProject(RelOptCluster cluster, RelTraitSet traitSet,
         RelNode input, List<? extends RexNode> projects, RelDataType rowType) {
-      super(cluster, traitSet, ImmutableList.of(), input, projects, rowType);
+      super(cluster, traitSet, ImmutableList.of(), input, projects, rowType, 
ImmutableSet.of());
       assert getConvention() instanceof BindableConvention;
     }
 
     @Override public BindableProject copy(RelTraitSet traitSet, RelNode input,
-        List<RexNode> projects, RelDataType rowType) {
+        List<RexNode> projects, RelDataType rowType, Set<CorrelationId> 
variablesSet) {
+      Preconditions.checkArgument(variablesSet.isEmpty(),
+          "Correlated scalar subqueries is not supported");

Review comment:
       done

##########
File path: 
cassandra/src/main/java/org/apache/calcite/adapter/cassandra/CassandraProject.java
##########
@@ -42,13 +46,15 @@
 public class CassandraProject extends Project implements CassandraRel {
   public CassandraProject(RelOptCluster cluster, RelTraitSet traitSet,
       RelNode input, List<? extends RexNode> projects, RelDataType rowType) {
-    super(cluster, traitSet, ImmutableList.of(), input, projects, rowType);
+    super(cluster, traitSet, ImmutableList.of(), input, projects, rowType, 
ImmutableSet.of());
     assert getConvention() == CassandraRel.CONVENTION;
     assert getConvention() == input.getConvention();
   }
 
   @Override public Project copy(RelTraitSet traitSet, RelNode input,
-      List<RexNode> projects, RelDataType rowType) {
+      List<RexNode> projects, RelDataType rowType, Set<CorrelationId> 
variablesSet) {
+    Preconditions.checkArgument(variablesSet.isEmpty(),
+        "Correlated scalar subqueries is not supported");

Review comment:
       done




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