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支持多子表联合查询不？ #149

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jmbkeyes opened this issue Apr 19, 2019 · 0 comments

jmbkeyes commented Apr 19, 2019 •

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有两张表A， B，他们都是大数据表，将他们按各自的分表键分表之后变成了A_0, A_1, B_0， B_1.
select a.name, b.name as n2
from A a
INNER JOIN B b on a.xx= b.yyy
where a.shardingKey=xxx and b.shardingKey=yyy

最终不会生成分表的join语句类似(e.g. select a.name, b.name as n2 from A_0 a inner join B_1 b on a.xx=b.yyy)

jmbkeyes changed the title ~~支持多子表联合查询部？~~ 支持多子表联合查询不？

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