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------------------ ???????? ------------------
??????:                                                                         
                                               "kcz"                            
                                                        <[email protected]&gt;;
????????:&nbsp;2022??9??5??(??????) ????11:50
??????:&nbsp;"user-zh"<[email protected]&gt;;

????:&nbsp;flink-1.14.4 ??????????????????



select concat('1','2'),CURRENT_DATE();
No match found for function signature CURRENT_DATE()??
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concat??????????????

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