Deprecate types in create index requests (backport to 6.x). #37838
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From #29453 and #37285, the include_type_name parameter was already present and defaulted to false. This PR makes the following updates: * Add deprecation warnings to RestCreateIndexAction, plus tests in RestCreateIndexActionTests. * Add a typeless 'create index' method to the Java HLRC, and deprecate the old typed version. To do this cleanly, I created new CreateIndexRequest and CreateIndexResponse objects that differ from the existing server ones.
jtibshirani
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javanna
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WIth elastic#37000 we made sure that fnial reduction is automatically disabled whenever a localClusterAlias is provided with a SearchRequest. While working on elastic#37838, we found a scenario where we do need to set a localClusterAlias yet we would like to perform a final reduction in the remote cluster: when searching on a single remote cluster. This commit adds support for a separate finalReduce flag to SearchRequest and makes use of it in TransportSearchAction in case we are searching against a single remote cluster. This also makes sure that num_reduce_phases is correct when searching against a single remote cluster: it makes little sense to return `num_reduce_phases` set to `2`, which looks especially weird in case the search was performed against a single remote shard. We should perform one reduction phase only in this case and `num_reduce_phases` should reflect that.
javanna
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With #37000 we made sure that fnial reduction is automatically disabled whenever a localClusterAlias is provided with a SearchRequest. While working on #37838, we found a scenario where we do need to set a localClusterAlias yet we would like to perform a final reduction in the remote cluster: when searching on a single remote cluster. Relates to #32125 This commit adds support for a separate finalReduce flag to SearchRequest and makes use of it in TransportSearchAction in case we are searching against a single remote cluster. This also makes sure that num_reduce_phases is correct when searching against a single remote cluster: it makes little sense to return `num_reduce_phases` set to `2`, which looks especially weird in case the search was performed against a single remote shard. We should perform one reduction phase only in this case and `num_reduce_phases` should reflect that. * line length
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Backport of #37134, opening a PR to get a full build. This PR also makes the relevant
changes to account for the difference in the default for
include_type_name.