Hi
Has anyone encountered this problem before? Just a simple query(no more
than 20 lines, two joins, no union).

And I see this ticket: https://issues.apache.org/jira/browse/CALCITE-2057,
but there's no follow up, also I see flink may occur this problem(
https://developer.aliyun.com/ask/129548)

java.lang.StackOverflowError
    at java.util.HashMap.hash(HashMap.java:339)
    at java.util.HashMap.put(HashMap.java:612)
    at 
com.google.common.collect.StandardTable.getOrCreate(StandardTable.java:165)
    at com.google.common.collect.StandardTable.put(StandardTable.java:174)
    at com.google.common.collect.HashBasedTable.put(HashBasedTable.java:55)
    at GeneratedMetadataHandler_RowCount.getRowCount(Unknown Source)
    at 
org.apache.calcite.rel.metadata.RelMetadataQuery.getRowCount(RelMetadataQuery.java:208)
    at 
org.apache.calcite.rel.metadata.RelMdRowCount.getRowCount(RelMdRowCount.java:72)
    at GeneratedMetadataHandler_RowCount.getRowCount_$(Unknown Source)
    at GeneratedMetadataHandler_RowCount.getRowCount(Unknown Source)
    at ...

Regards!

Aron Tao

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