Github user davies commented on a diff in the pull request:
https://github.com/apache/spark/pull/11984#discussion_r58010740
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/execution/columnar/GenerateColumnAccessor.scala
---
@@ -114,6 +117,42 @@ object GenerateColumnAccessor extends
CodeGenerator[Seq[DataType], ColumnarItera
(createCode, extract + patch)
}.unzip
+ /*
+ * 200 = 6000 bytes / 30 (up to 30 bytes per one call))
+ * the maximum byte code size to be compiled for HotSpot is 8000.
+ * We should keep less than 8000
+ */
+ val numberOfStatementsThreshold = 200
+ val (initializerAccessorFuncs, initializerAccessorCalls,
extractorFuncs, extractorCalls) =
+ if (initializeAccessors.length <= numberOfStatementsThreshold) {
--- End diff --
we could always put them in groups
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