OpenSearch/docs/reference/migration/migrate_query_refactoring.a...

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[[breaking-changes query-refactoring]]
== Breaking changes on the query-refactoring branch
This section discusses changes that are breaking to the current rest or java-api
on the query-refactoring feature branch.
=== Java-API
==== BoostingQueryBuilder
Removed setters for mandatory positive/negative query. Both arguments now have
to be supplied at construction time already and have to be non-null.
==== SpanContainingQueryBuilder
Removed setters for mandatory big/little inner span queries. Both arguments now have
to be supplied at construction time already and have to be non-null. Updated
static factory methods in QueryBuilders accordingly.
==== SpanNearQueryBuilder
Removed setter for mandatory slop parameter, needs to be set in constructor now.
Updated the static factory methods in QueryBuilders accordingly.
==== QueryFilterBuilder
Removed the setter `queryName(String queryName)` since this field is not supported
in this type of query. Use `FQueryFilterBuilder.queryName(String queryName)` instead
when in need to wrap a named query as a filter.
==== Operator
Removed the enums called `Operator` from `MatchQueryBuilder`, `QueryStringQueryBuilder`,
`SimpleQueryStringBuilder`, and `CommonTermsQueryBuilder` in favour of using the enum
defined in `org.elasticsearch.index.query.Operator` in an effort to consolidate the
codebase and avoid duplication.
==== queryName and boost support
Support for `queryName` and `boost` has been streamlined to all of the queries. That is
a breaking change till queries get sent over the network as serialized json rather
than in `Streamable` format. In fact whenever additional fields are added to the json
representation of the query, older nodes might throw error when they find unknown fields.pd