[GitHub] [calcite] dssysolyatin commented on a diff in pull request #2890: [CALCITE-5259] Add getParameterRowType method to Planner interface

[GitBox]

dssysolyatin commented on code in PR #2890:
URL: https://github.com/apache/calcite/pull/2890#discussion_r1034930593


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core/src/main/java/org/apache/calcite/prepare/PlannerImpl.java:
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@@ -237,6 +237,15 @@ private void ready() {
     return Pair.of(validatedNode, type);
   }
 
+  @Override public RelDataType getParameterRowType() {
+    if (state.ordinal() < State.STATE_4_VALIDATED.ordinal()) {
+      throw new RuntimeException("Need to call #validate() first");
+    }

Review Comment:
   @jbalint 
   `ensure` works differently. `ensure` checks if planner can move to next 
state. if ensure is used and user calls getParameterRowType from 
STATE_5_CONVERTED state, the `getParameterRowType` will throw exception
   



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