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9124c94a6c
Previously, queries on the _index field were not able to specify index aliases. This was a regression in functionality compared to the 'indices' query that was deprecated and removed in 6.0. Now queries on _index can specify an alias, which is resolved to the concrete index names when we check whether an index matches. To match a remote shard target, the pattern needs to be of the form 'cluster:index' to match the fully-qualified index name. Index aliases can be specified in the following query types: term, terms, prefix, and wildcard.
Elastic License Functionality
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