2015-05-05 11:51:24 -04:00
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[[breaking-changes-1.6]]
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== Breaking changes in 1.6
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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 1.6.
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[float]
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=== More Like This API
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The More Like This API query has been deprecated and will be removed in 2.0. Instead use the <<query-dsl-mlt-query, More Like This Query>>.
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2015-05-06 14:01:30 -04:00
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[float]
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=== `top_children` query
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The `top_children` query has been deprecated and will be removed in 2.0. Instead the `has_child` query should be used.
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The `top_children` query isn't always faster than the `has_child` query and the `top_children` query is often inaccurate.
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The total hits and any aggregations in the same search request will likely be off.
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