Hi all, I'm trying to join the following two tables using a temporal join:
*table_1* ( `f0` STRING NOT NULL, `f1` DOUBLE NOT NULL, `rowtime` TIMESTAMP(3) METADATA, WATERMARK FOR `rowtime`: TIMESTAMP(3) AS rowtime - INTERVAL '10' SECOND ) *table_2:* ( `f0` STRING NOT NULL, `f1` DOUBLE NOT NULL, `rowtime` TIMESTAMP(3) METADATA, WATERMARK FOR `rowtime`: TIMESTAMP(3) AS rowtime - INTERVAL '10' SECOND, CONSTRAINT `PK_f0` PRIMARY KEY (`f0`) NOT ENFORCED ) using the following query: -- *SELECT* * table_1.f0,* * table_1.f1 AS table_1_value,* * table_2.f1 AS table_2_value,* *FROM table_1* *JOIN table_2 FOR SYSTEM_TIME AS OF table_1.rowtime ON table_1.f0 = table_2.f0* -- and it's raising the following exception --- Exception in thread "main" org.apache.flink.table.api.TableException: unexpected correlate variable $cor0 in the plan at org.apache.flink.table.planner.plan.optimize.program.FlinkDecorrelateProgram.checkCorrelVariableExists(FlinkDecorrelateProgram.scala:57) at org.apache.flink.table.planner.plan.optimize.program.FlinkDecorrelateProgram.optimize(FlinkDecorrelateProgram.scala:42) at org.apache.flink.table.planner.plan.optimize.program.FlinkChainedProgram$$anonfun$optimize$1.apply(FlinkChainedProgram.scala:62) at org.apache.flink.table.planner.plan.optimize.program.FlinkChainedProgram$$anonfun$optimize$1.apply(FlinkChainedProgram.scala:58) --- Has anybody come across this before? Any debugging tips? Cheers, Matt. -- -- AU: +61 459 493 730 UK: +44 7927 618921 @mnbbrown