Question

这是一个使用mysql在开发中运行良好的邮政编码搜索，但是当部署到heroku时，它正在爆炸。

ActiveRecord::StatementInvalid (PG::Error: ERROR:  syntax error at end of input
LINE 9:                             <= 6.21371192)
                                                  ^
: SELECT "zip_codes"."zip_code" FROM "zip_codes"  WHERE ((latitude BETWEEN 37.68949912779737
                        AND 37.869158872202625)
                        AND (longitude BETWEEN -122.53280459311426
                        AND -122.30549540688574)
                        AND sqrt(pow(69.172 *
                            (latitude-37.779329),2) +
                            pow(54.67189446319151 *
                            (longitude--122.41915),2))
                            <= 6.21371192)

Answer 1

这是导致postgres问题的双重否定因素。将坐标放在括号中可以解决问题。

SELECT "zip_codes"."zip_code" 
FROM "zip_codes"
WHERE ((latitude BETWEEN 37.68949912779737
        AND 37.869158872202625)
        AND (longitude BETWEEN -122.53280459311426
        AND -122.30549540688574)
        AND sqrt(pow(69.172 *
            (latitude - (37.779329)),2) +
             pow(54.67189446319151 *
             (longitude - (-122.41915)),2))
             <= 6.21371192)

Answer 2

我认为你最后有一个额外的关闭。这是格式化的代码，因此关闭的parens通常与开头paren对齐：

SELECT "zip_codes"."zip_code"
FROM "zip_codes" 
WHERE ((latitude BETWEEN 37.68949912779737 AND 37.869158872202625
       ) AND
       (longitude BETWEEN -122.53280459311426 AND -122.30549540688574
       ) AND
       sqrt(pow(69.172 * (latitude-37.779329),2
               ) +
            pow(54.67189446319151 * (longitude--122.41915),2
               )
           ) <= 6.21371192
      ))
-------^ this one is extra.  Get rid of it.

我不知道为什么MySQL会处理这个，但是Postgres不会。也许在切换服务器时意外添加了paren。

Postgresql错误（heroku） - 在mysql上本地工作

2 个答案: