[fix](dynamic partition) drop partition exclude history_partition_num #37539 #37570
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…apache#37539) FIX: When dropping dynamic partition, PR apache#35778 will use math.max(start, -history_partition_num) as the first partition, but it may delete users' partitions if they specify both start and history_partition_num inappropriately. For safety reason, revert this behavious changed, only use start as the first partition when dropping partitions. For those who had specified a very small start value, drop partitions will catch an exception , and stop dropping this table's partition and then record this error in dynamic info. Users can use command `SHOW DYNAMIC PARTITION TABLES FROM DBXXX` to know this error. From this error, it will give user hint to modify start if they really specify a error start. --------- Co-authored-by: Yongqiang YANG <98214048+dataroaring@users.noreply.github.com>
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Thank you for your contribution to Apache Doris. Since 2024-03-18, the Document has been moved to doris-website. |
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cherry pick from #37539