kimmking commented on issue #4306: Why do distributed primary keys need to be retrieved in reverse order in ShardingGeneratedKeyInsertValueParameterRewriter.rewrite URL: https://github.com/apache/incubator-shardingsphere/issues/4306#issuecomment-593337142 Hi, @saboluo I have reprodeced your case: ``` ..ds_0 ::: insert into user1(`name`,`age`, id) values (?, ?, ?) ::: [name-0, 0, 441306093067436035] ..ds_1 ::: insert into user2(`name`,`age`, id) values (?, ?, ?) ::: [name-1, 1, 441306093067436034] ..ds_0 ::: insert into user0(`name`,`age`, id) values (?, ?, ?) ::: [name-2, 2, 441306093067436033] ..ds_1 ::: insert into user1(`name`,`age`, id) values (?, ?, ?) ::: [name-3, 3, 441306093067436032] ``` Two points： 1. descendingIterator id； 2. wrong mod lead to wrong sharding table. Row 2, 441306093067436034 % 3 == 0, but inserted into user2 not user0.
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