arel 2.1.0
Arel is a SQL AST manager for Ruby. It 1. Simplifies the generation complex of SQL queries 2. Adapts to various RDBMS systems It is intended to be a framework framework; that is, you can build your own ORM with it, focusing on innovative object and collection modeling as opposed to database compatibility and query generation.
          Gemfile:
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          安裝:
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      Development 相依性套件 (1):
            hoe
            >= 2.9.4
          
    












