[英]Ruby parse SQL query string into hash
I am trying to parse a SQL query string into a hash. 我正在尝试将SQL查询字符串解析为哈希。 Example: field = value AND field2 = value2
becomes { field: 'value', field2: 'value2' }
示例: field = value AND field2 = value2
变为{ field: 'value', field2: 'value2' }
I have tried Rack::Utils.parse
, which works great for URL params, but doesn't for SQL query string. 我已经尝试过Rack::Utils.parse
,它适用于URL参数,但不适用于SQL查询字符串。
My initial thoughts are to split by AND, OR
etc and then use Rack::Utils.parse
recursively. 我最初的想法是用AND, OR
等拆分,然后递归使用Rack::Utils.parse
。
I was thinking there would be a straightforward way of doing this in Rails, but I haven't found anything yet. 我当时想在Rails中有一种直接的方法,但是我还没有发现任何东西。 Has anyone accomplished this before? 有人做过吗?
Thanks in advance. 提前致谢。
sql_query = 'field = value AND field2 = value2 OR field3 = value3'
def hash_for sql_query
parts = sql_query.split /(and|or)/i
parts.map do | p |
fv = p.split('=').map &:strip
{ fv[0].to_sym => fv[1] }
end
end
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