field_caps.rb in elasticsearch-api-7.9.0.pre

- old
+ new

@@ -24,31 +24,38 @@
       # @option arguments [List] :fields A comma-separated list of field names
       # @option arguments [Boolean] :ignore_unavailable Whether specified concrete indices should be ignored when unavailable (missing or closed)
       # @option arguments [Boolean] :allow_no_indices Whether to ignore if a wildcard indices expression resolves into no concrete indices. (This includes `_all` string or when no indices have been specified)
       # @option arguments [String] :expand_wildcards Whether to expand wildcard expression to concrete indices that are open, closed or both.
       #   (options: open,closed,hidden,none,all)
+
       # @option arguments [Boolean] :include_unmapped Indicates whether unmapped fields should be included in the response.
       # @option arguments [Hash] :headers Custom HTTP headers
+      # @option arguments [Hash] :body An index filter specified with the Query DSL
       #
-      # @see https://www.elastic.co/guide/en/elasticsearch/reference/7.8/search-field-caps.html
+      # @see https://www.elastic.co/guide/en/elasticsearch/reference/7.x/search-field-caps.html
       #
       def field_caps(arguments = {})
         headers = arguments.delete(:headers) || {}
 
         arguments = arguments.clone
 
         _index = arguments.delete(:index)
 
-        method = Elasticsearch::API::HTTP_GET
-        path   = if _index
-                   "#{Utils.__listify(_index)}/_field_caps"
+        method = if arguments[:body]
+                   Elasticsearch::API::HTTP_POST
                  else
-                   "_field_caps"
-    end
+                   Elasticsearch::API::HTTP_GET
+                 end
+
+        path = if _index
+                 "#{Utils.__listify(_index)}/_field_caps"
+               else
+                 "_field_caps"
+               end
         params = Utils.__validate_and_extract_params arguments, ParamsRegistry.get(__method__)
 
-        body = nil
+        body = arguments[:body]
         perform_request(method, path, params, body, headers).body
       end
 
       # Register this action with its valid params when the module is loaded.
       #
@@ -59,7 +66,7 @@
         :allow_no_indices,
         :expand_wildcards,
         :include_unmapped
       ].freeze)
     end
-    end
+  end
 end