39 lines
1.3 KiB
Plaintext
39 lines
1.3 KiB
Plaintext
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[[breaking-changes-1.x]]
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== Breaking changes in 1.x
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This section discusses the changes that you need to be aware of when migrating
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your application from Elasticsearch 1.x to Elasticsearch 1.y.
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[float]
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=== Facets
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Facets are deprecated and will be removed in a future release. You are
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encouraged to migrate to <<search-aggregations, aggregations>> instead.
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[[breaking-changes-1.4]]
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=== 1.4
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==== Percolator
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In indices created with version `1.4.0` or later, percolation queries can only
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refer to fields that already exist in the mappings in that index. There are
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two ways to make sure that a field mapping exist:
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* Add or update a mapping via the <<indices-create-index,create index>> or
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<<indices-put-mapping,put mapping>> apis.
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* Percolate a document before registering a query. Percolating a document can
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add field mappings dynamically, in the same way as happens when indexing a
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document.
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==== Aliases
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<<indices-aliases,Aliases>> can include <<query-dsl-filters,filters>> which
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are automatically applied to any search performed via the alias.
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<<filtered,Filtered aliases>> created with version `1.4.0` or later can only
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refer to field names which exist in the mappings of the index (or indices)
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pointed to by the alias.
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Add or update a mapping via the <<indices-create-index,create index>> or
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<<indices-put-mapping,put mapping>> apis.
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