Github user twalthr commented on a diff in the pull request:
https://github.com/apache/flink/pull/2560#discussion_r80921875
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/api/table/FlinkRelBuilder.scala
---
@@ -38,7 +38,12 @@ class FlinkRelBuilder(
cluster,
relOptSchema) {
- def getPlanner: RelOptPlanner = cluster.getPlanner
+ def getPlanner: RelOptPlanner = {
+ val planner = cluster.getPlanner
+ // set the executor to evaluate constant expressions
+ planner.setExecutor(new
RexExecutorImpl(Schemas.createDataContext(null)))
--- End diff --
Why don't you use `FrameworkConfig.executor()` in `TableEnvironment` to set
the executor at the very beginning?
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