Wraps another query to search nested fields. The nested query searches nested field objects as if they were indexed as separate documents. If an object matches the search, the nested query returns the ...

Define a nested object type in your mapping Index some documents Perform a nested query with a query_string on on of the field of the nested object using a wildcard I am indexing the following ...

Over the past few years, there has been a subtle but significant shift in the way that data is structured in databases. Whereas yesterday’s databases were typically limited to storing data in rows and ...

Abstract: Nested queries are commonly used to express complex use-cases by connecting the output of a subquery as an input to the outer query block. However, their execution is highly time-consuming.

Abstract: The XPath language is based on a tree representation of the XML document, and provides the ability to navigate around the tree, selecting nodes by a variety of criteria. Here an optimization ...