Details
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Sub-task
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Status: Open
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Major
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Resolution: Unresolved
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1.12.0
Description
For example, table.limit(3).limit(2) will failed with "FETCH is already defined."
org.apache.flink.table.api.ValidationException: FETCH is already defined. at org.apache.flink.table.operations.utils.SortOperationFactory.validateAndGetChildSort(SortOperationFactory.java:125) at org.apache.flink.table.operations.utils.SortOperationFactory.createLimitWithFetch(SortOperationFactory.java:105) at org.apache.flink.table.operations.utils.OperationTreeBuilder.limitWithFetch(OperationTreeBuilder.java:418)
However, as we support to call table.limit() without specifying the order, I guess this should be a valid usage and should be allowed.
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