Github user jinfengni commented on a diff in the pull request:
https://github.com/apache/drill/pull/792#discussion_r107808909
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/expr/EvaluationVisitor.java
---
@@ -671,8 +674,9 @@ private HoldingContainer
visitBooleanAnd(BooleanOperator op,
HoldingContainer out = generator.declare(op.getMajorType());
JLabel label = generator.getEvalBlockLabel("AndOP");
- JBlock eval = generator.getEvalBlock().block(); // enter into
nested block
- generator.nestEvalBlock(eval);
+ JBlock eval = new JBlock();
--- End diff --
How about we add the following two methods in ClassGenerator.java:
```java
private JBlock createInnerBlock(BlockType type) {
final JBlock currBlock = getBlock(type);
final JBlock innerBlock = new JBlock();
currBlock.add(innerBlock);
return innerBlock;
}
protected JBlock createInnerEvalBlock() {
return createInnerBlock(BlockType.EVAL);
}
```
Then, replace `generator.getEvalBlock().block()` with
`generator.createInnerEvalBlock()` ?
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