XuQianJin-Stars edited a comment on issue #7155: [FLINK-10009] [table] Fix the casting problem for function TIMESTAMPADD in Table URL: https://github.com/apache/flink/pull/7155#issuecomment-441156439 @sunjincheng121 I have just tested calcite, and found that the parsing `timestampadd(MINUTE, 1, time '20:20:20')` type of calcite is TimeStamp. This problem seems to be a bug in calcite. Here is the processing logic of calcite: 
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