Cloudant 的错误请求,PHP 和范围查询

Bad request with Cloudant, PHP and range query

我正在尝试使用 PHP cURL 和 Cloudant 进行范围查询。

我在 Cloudant 中设置了以下搜索索引:

{
  "_id": "_design/date",
  "_rev": "20-822ebda694f4fb57dc0a48bf60f6570f",
  "views": {},
  "language": "javascript",
  "indexes": {
    "by_date": {
      "analyzer": "classic",
      "index": "function (doc) {\n  index(\"default\", doc.datequery);\n}"
    }
  }
}

然后在我的 PHP 文档中执行以下操作:

$urlstuff = "[20180110 TO 20180119]";

$url = "https://user:pass.@user.cloudant.com/db/_design/date/_search/by_date?q=".$urlstuff."&include_docs=true&limit=200";
$ch = curl_init();   // initialize curl handle
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
$output = curl_exec($ch);

我收到错误请求。

如果我替换:

$urlstuff = "[20180110 TO 20180119]"; 

$urlstuff = "20180117";

然后我得到了很好的结果。

是方括号弄乱了我的 cURL 吗? 我错过了什么?

是的,您走对了。如果您对变量进行转义(例如使用 http://php.net/manual/en/function.curl-escape.php?),您的查询应该有效:

curl -g -X GET   'https://user:password@user-bluemix.cloudant.com/db/_design/date/_search/by_date?q=[20180110 TO 20180119]&include_docs=true&limit=20'   


{"error":"bad_request","reason":"Bad request"}

curl -X GET 'https://user:password@user-bluemix.cloudant.com/db/_design/date/_search/by_date?q=%5B20180110%20TO%2020180119%5D&include_docs=true&limit=20' 

{"total_rows":1, ...