select查詢出錯single-row subquery returns more than one row
出錯原因是select x from tablea where column=(select b from tableb)而子查詢返回的結果不止一條按這個情況查詢，有沒有辦法解決不出錯又能查詢到？ ...
原文：Cannot have more than one execute() or executeAsync() call in a single environment.
Caused by: org.apache.flink.util.FlinkRuntimeException: Cannot have more than one execute or executeAsync call in a single environment. at org.apache.flink.client.program.StreamContextEnvironment.vali ...
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