JingsongLi commented on a change in pull request #10737:
[FLINK-15430][table-planner-blink] Fix Java 64K method compiling limi…
URL: https://github.com/apache/flink/pull/10737#discussion_r363149324
##########
File path:
flink-table/flink-table-planner-blink/src/main/scala/org/apache/flink/table/planner/codegen/ExprCodeGenerator.scala
##########
@@ -285,11 +287,30 @@ class ExprCodeGenerator(ctx: CodeGeneratorContext,
nullableInput: Boolean)
case _ => // ok
}
- val setFieldsCode = fieldExprs.zipWithIndex.map { case (fieldExpr, index)
=>
+ val setFieldsCodes = fieldExprs.zipWithIndex.map { case (fieldExpr, index)
=>
val pos = fieldExprIdxToOutputRowPosMap.getOrElse(index,
throw new CodeGenException(s"Illegal field expr index: $index"))
baseRowSetField(ctx, returnTypeClazz, outRow, pos.toString, fieldExpr,
outRowWriter)
- }.mkString("\n")
+ }
+ val totalLen = setFieldsCodes.map(_.length).sum
+ val maxCodeLength = ctx.tableConfig.getMaxGeneratedCodeLength
+ val setFieldsCode = if (allowSplit && totalLen > maxCodeLength) {
+ // do the split.
+ ctx.setSplit()
+ setFieldsCodes.map(project => {
+ val methodName = newName("split")
+ val method =
+ s"""
+ |private void $methodName() throw Exception {
Review comment:
`throws`
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