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原文：Grouping ands and ors in AREL
原文：Grouping ands and ors in AREL
I m trying to query the equivalent of this sql snippet using arel: WHERE (("participants"."accepted" = f AND "participants"."contact_id" = 1) OR "participants"."id" IS NULL) So I want (accepted ...
如何在自我参考表格上写AREL声明
原文：How to write an AREL statement on a self-referencing table
原文：How to write an AREL statement on a self-referencing table
我已经撰写了几篇阿拉伯埃及共和国声明,但我很抱着这个口号ty。 我的情况如下:
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