class Elasticsearch::DSL::Search::Filters::HasChild
A filter which returns parent documents for children documents matching a query or a filter
@example Return articles where John has commented
search do query do filtered do filter do has_child do type 'comment' query do match author: 'John' end end end end end end
@see www.elastic.co/guide/en/elasticsearch/reference/current/query-dsl-has-child-filter.html
Public Instance Methods
filter(*args, &block)
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DSL
method for building the `filter` part of the query definition
@return [self]
# File lib/elasticsearch/dsl/search/filters/has_child.rb, line 65 def filter(*args, &block) @filter = block ? Elasticsearch::DSL::Search::Filter.new(*args, &block) : args.first self end
query(*args, &block)
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DSL
method for building the `query` part of the query definition
@return [self]
# File lib/elasticsearch/dsl/search/filters/has_child.rb, line 56 def query(*args, &block) @query = block ? Elasticsearch::DSL::Search::Query.new(*args, &block) : args.first self end
to_hash()
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Converts the query definition to a Hash
@return [Hash]
Calls superclass method
# File lib/elasticsearch/dsl/search/filters/has_child.rb, line 74 def to_hash hash = super if @query _query = @query.respond_to?(:to_hash) ? @query.to_hash : @query hash[self.name].update(query: _query) end if @filter _filter = @filter.respond_to?(:to_hash) ? @filter.to_hash : @filter hash[self.name].update(filter: _filter) end hash end