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Update migration-guide-5.2-5.3.adoc

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Peter-Josef Meisch 2024-07-04 20:58:41 +02:00
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src/main/antora/modules/ROOT/pages/migration-guides/migration-guide-5.2-5.3.adoc
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@ -6,10 +6,16 @@ This section describes breaking changes from version 5.2.x to 5.3.x and how remo
[[elasticsearch-migration-guide-5.2-5.3.breaking-changes]]
== Breaking Changes
During the parameter replacement in `@Query` annotated repository methods previous versions wrote the String `"null"` into the query that was sent to Elasticsearch when the actual parameter value was `null`.
As Elasticsearch does not store `null` values, this behaviour could lead to problems, for example whent the fields to be searched contains the string `"null"`.
In Version 5.3 a `null` value in a parameter will cause a `ConversionException` to be thrown.
If you are using `"null"` as the
`null_value` defined in a field mapping, then pass that string into the query instead of a Java `null`.
[[elasticsearch-migration-guide-5.2-5.3.deprecations]]
== Deprecations
=== Removals
The deprecated classes `org.springframework.data.elasticsearch.ELCQueries`
and `org.springframework.data.elasticsearch.client.elc.QueryBuilders` have been removed, use `org.springframework.data.elasticsearch.client.elc.Queries` instead.
and `org.springframework.data.elasticsearch.client.elc.QueryBuilders` have been removed, use `org.springframework.data.elasticsearch.client.elc.Queries` instead.