shrirangmhalgi commented on code in PR #56277:
URL: https://github.com/apache/spark/pull/56277#discussion_r3364631059
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/Optimizer.scala:
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@@ -503,6 +505,13 @@ abstract class Optimizer(catalogManager: CatalogManager)
*/
def extendedOperatorOptimizationRules: Seq[Rule[LogicalPlan]] = Nil
+ /**
+ * Override to provide additional rules that run in a single pass before the
main
+ * operator optimization fixed-point batch. Use this for rules that must
observe the
+ * pre-optimization plan shape (e.g., before FoldablePropagation rewrites
predicates).
+ */
+ def earlyOperatorOptimizationRules: Seq[Rule[LogicalPlan]] = Nil
Review Comment:
`pre` would be more accurate as this runs before the main batch, not an
"early version" of something that runs later. Renamed to
`preOperatorOptimizationRules` / `injectPreOperatorOptimizationRule`.
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