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mycat2中ER分片和1.6的区别疑问 #821

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zhaojiangc opened this issue Apr 19, 2024 · 0 comments
Open

mycat2中ER分片和1.6的区别疑问 #821

zhaojiangc opened this issue Apr 19, 2024 · 0 comments

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@zhaojiangc
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请问下mycat2中ER 分片时，是不是必须要把主从表都进行分片配置，并且分片算法要一样？而不是像1.6中 只要配置主表分片，并通过childTable 描述ER主从关系后，从表就可以跟着主表分片？如果上面答案是肯定的，这样的话myact2 有一种主从ER配不出来。就是主表有分片字段，而从表没有分片字段。举例就是主表中有一个年字段进行分片，而从表没有年份字段。因为从表如果加了年份字段，在跨年时，应用就需要额外处理。所有想问下1.6这样的ER配置，2.0中是否考虑加进去？
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