[API] Add search_exists back

Author: estolfo

elasticsearch-api/lib/elasticsearch/api/actions/search_exists.rb

@@ -0,0 +1,63 @@
+module Elasticsearch
+  module API
+    module Actions
+
+      # Return whether documents exists for a particular query
+      #
+      # @option arguments [List] :index A comma-separated list of indices to restrict the results
+      # @option arguments [List] :type A comma-separated list of types to restrict the results
+      # @option arguments [Hash] :body A query to restrict the results specified with the Query DSL (optional)
+      # @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.
+      # @option arguments [String] :expand_wildcards Whether to expand wildcard expression to concrete indices
+      #                                              that are open, closed or both.
+      #                                              (options: open, closed, none, all)
+      # @option arguments [Number] :min_score Include only documents with a specific `_score` value in the result
+      # @option arguments [String] :preference Specify the node or shard the operation should be performed on
+      #                                        (default: random)
+      # @option arguments [String] :routing Specific routing value
+      # @option arguments [String] :q Query in the Lucene query string syntax
+      # @option arguments [String] :analyzer The analyzer to use for the query string
+      # @option arguments [Boolean] :analyze_wildcard Specify whether wildcard and prefix queries should be
+      #                                               analyzed (default: false)
+      # @option arguments [String] :default_operator The default operator for query string query (AND or OR)
+      #                                              (options: AND, OR)
+      # @option arguments [String] :df The field to use as default where no field prefix is given
+      #                                in the query string
+      # @option arguments [Boolean] :lenient Specify whether format-based query failures
+      #                                      (such as providing text to a numeric field) should be ignored
+      # @option arguments [Boolean] :lowercase_expanded_terms Specify whether query terms should be lowercased
+      #
+      # @see http://www.elastic.co/guide/en/elasticsearch/reference/master/search-exists.html
+      #
+      def search_exists(arguments={})
+        method = 'POST'
+        path   = "_search/exists"
+        params = Utils.__validate_and_extract_params arguments, ParamsRegistry.get(__method__)
+        body   = arguments[:body]
+
+        perform_request(method, path, params, body).body
+      end
+
+      # Register this action with its valid params when the module is loaded.
+      #
+      # @since 6.2.0
+      ParamsRegistry.register(:search_exists, [
+          :ignore_unavailable,
+          :allow_no_indices,
+          :expand_wildcards,
+          :min_score,
+          :preference,
+          :routing,
+          :q,
+          :analyzer,
+          :analyze_wildcard,
+          :default_operator,
+          :df,
+          :lenient,
+          :lowercase_expanded_terms ].freeze)
+    end
+  end
+end

elasticsearch-api/spec/elasticsearch/api/actions/search_exists_spec.rb

@@ -0,0 +1,63 @@
+module Elasticsearch
+  module API
+    module Actions
+
+      # Return whether documents exists for a particular query
+      #
+      # @option arguments [List] :index A comma-separated list of indices to restrict the results
+      # @option arguments [List] :type A comma-separated list of types to restrict the results
+      # @option arguments [Hash] :body A query to restrict the results specified with the Query DSL (optional)
+      # @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.
+      # @option arguments [String] :expand_wildcards Whether to expand wildcard expression to concrete indices
+      #                                              that are open, closed or both.
+      #                                              (options: open, closed, none, all)
+      # @option arguments [Number] :min_score Include only documents with a specific `_score` value in the result
+      # @option arguments [String] :preference Specify the node or shard the operation should be performed on
+      #                                        (default: random)
+      # @option arguments [String] :routing Specific routing value
+      # @option arguments [String] :q Query in the Lucene query string syntax
+      # @option arguments [String] :analyzer The analyzer to use for the query string
+      # @option arguments [Boolean] :analyze_wildcard Specify whether wildcard and prefix queries should be
+      #                                               analyzed (default: false)
+      # @option arguments [String] :default_operator The default operator for query string query (AND or OR)
+      #                                              (options: AND, OR)
+      # @option arguments [String] :df The field to use as default where no field prefix is given
+      #                                in the query string
+      # @option arguments [Boolean] :lenient Specify whether format-based query failures
+      #                                      (such as providing text to a numeric field) should be ignored
+      # @option arguments [Boolean] :lowercase_expanded_terms Specify whether query terms should be lowercased
+      #
+      # @see http://www.elastic.co/guide/en/elasticsearch/reference/master/search-exists.html
+      #
+      def search_exists(arguments={})
+        method = 'POST'
+        path   = "_search/exists"
+        params = Utils.__validate_and_extract_params arguments, ParamsRegistry.get(__method__)
+        body   = arguments[:body]
+
+        perform_request(method, path, params, body).body
+      end
+
+      # Register this action with its valid params when the module is loaded.
+      #
+      # @since 6.2.0
+      ParamsRegistry.register(:search_exists, [
+          :ignore_unavailable,
+          :allow_no_indices,
+          :expand_wildcards,
+          :min_score,
+          :preference,
+          :routing,
+          :q,
+          :analyzer,
+          :analyze_wildcard,
+          :default_operator,
+          :df,
+          :lenient,
+          :lowercase_expanded_terms ].freeze)
+    end
+  end
+end