示例#1
0
// Performs a very basic search on an index via the request URI API.
//
// params:
//   @pretty:  bool for pretty reply or not, a parameter to elasticsearch
//   @index:  the elasticsearch index
//   @_type:  optional ("" if not used) search specific type in this index
//   @query:  this can be one of 3 types:
//              1)  string value that is valid elasticsearch
//              2)  io.Reader that can be set in body (also valid elasticsearch string syntax..)
//              3)  other type marshalable to json (also valid elasticsearch json)
//
//   out, err := SearchRequest(true, "github","",qryType ,"", 0)
//
// http://www.elasticsearch.org/guide/reference/api/search/uri-request.html
func SearchRequest(pretty bool, index string, _type string, query interface{}, scroll string, scan int) (SearchResult, error) {
	var uriVal string
	var retval SearchResult
	if len(_type) > 0 && _type != "*" {
		uriVal = fmt.Sprintf("/%s/%s/_search?%s%s%s", index, _type, api.Pretty(pretty), api.Scroll(scroll), api.Scan(scan))
	} else {
		uriVal = fmt.Sprintf("/%s/_search?%s%s%s", index, api.Pretty(pretty), api.Scroll(scroll), api.Scan(scan))
	}
	body, err := api.DoCommand("POST", uriVal, query)
	if err != nil {
		return retval, err
	}
	if err == nil {
		// marshall into json
		jsonErr := json.Unmarshal([]byte(body), &retval)
		if jsonErr != nil {
			return retval, jsonErr
		}
	}
	return retval, err
}
示例#2
0
// Performs the simplest possible query in url string
// params:
//   @index:  the elasticsearch index
//   @_type:  optional ("" if not used) search specific type in this index
//   @query:  valid string lucene search syntax
//
//   out, err := SearchUri("github","",`user:kimchy` ,"", 0)
//
// produces a request like this:    host:9200/github/_search?q=user:kimchy"
//
// http://www.elasticsearch.org/guide/reference/api/search/uri-request.html
func SearchUri(index, _type string, query, scroll string, scan int) (SearchResult, error) {
	var uriVal string
	var retval SearchResult
	query = url.QueryEscape(query)
	if len(_type) > 0 && _type != "*" {
		uriVal = fmt.Sprintf("/%s/%s/_search?q=%s%s%s", index, _type, query, api.Scroll(scroll), api.Scan(scan))
	} else {
		uriVal = fmt.Sprintf("/%s/_search?q=%s%s%s", index, query, api.Scroll(scroll), api.Scan(scan))
	}
	//log.Println(uriVal)
	body, err := api.DoCommand("GET", uriVal, nil)
	if err != nil {
		return retval, err
	}
	if err == nil {
		// marshall into json
		jsonErr := json.Unmarshal([]byte(body), &retval)
		if jsonErr != nil {
			return retval, jsonErr
		}
	}
	return retval, err
}
示例#3
0
func Scroll(pretty bool, scroll_id string, scroll string) (SearchResult, error) {
	var url string
	var retval SearchResult

	url = fmt.Sprintf("/_search/scroll?%s%s", api.Pretty(pretty), api.Scroll(scroll))

	body, err := api.DoCommand("POST", url, scroll_id)
	if err != nil {
		return retval, err
	}
	if err == nil {
		// marshall into json
		jsonErr := json.Unmarshal([]byte(body), &retval)
		if jsonErr != nil {
			return retval, jsonErr
		}
	}
	return retval, err
}