JingsongLi commented on a change in pull request #10989:
[FLINK-15840][table-planner-blink] ClassCastException is thrown when use
tEnv.from for temp/catalog table
URL: https://github.com/apache/flink/pull/10989#discussion_r373903388
##########
File path:
flink-table/flink-table-planner-blink/src/main/java/org/apache/flink/table/planner/delegation/PlannerContext.java
##########
@@ -80,13 +82,15 @@
*/
@Internal
public class PlannerContext {
+
private final RelDataTypeSystem typeSystem = new FlinkTypeSystem();
private final FlinkTypeFactory typeFactory = new
FlinkTypeFactory(typeSystem);
private final TableConfig tableConfig;
- private final RelOptCluster cluster;
private final FlinkContext context;
private final CalciteSchema rootSchema;
private final List<RelTraitDef> traitDefs;
+ private FrameworkConfig frameworkConfig;
+ private RelOptCluster cluster;
Review comment:
There is a factory refer these fields before their initialization. According
to the semantics of Java, it needs to be non final.
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