[GitHub] [pinot] siddharthteotia commented on a change in pull request #7820: push JSON Path evaluation down to storage layer

[GitBox <gi...@apache.org>]

siddharthteotia commented on a change in pull request #7820:
URL: https://github.com/apache/pinot/pull/7820#discussion_r762361654



##########
File path: pinot-core/src/main/java/org/apache/pinot/core/operator/blocks/ProjectionBlock.java
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@@ -69,4 +70,114 @@ public BlockDocIdValueSet getBlockDocIdValueSet() {
   public BlockMetadata getMetadata() {
     throw new UnsupportedOperationException();
   }
+
+  /**
+   * Pushes a {@see TransformEvaluator} which will produce an int value down
+   * to be evaluated against the column. This is an unstable API.
+   * @param column column to evaluate against
+   * @param evaluator the evaluator which produces values from the storage in the column
+   * @param buffer the buffer to write outputs into
+   */
+  public void pushDown(String column, TransformEvaluator evaluator, int[] buffer) {

Review comment:
       +1




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