Make sure to reject mappings with type _doc when include_type_name is false. #38484
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… false. `CreateIndexRequest#source(Map<String, Object>, ... )`, which is used when deserializing index creation requests, accidentally accepts mappings that are nested twice under the type key (as described in the bug report elastic#38266). This in turn causes us to be too lenient in parsing typeless mappings. In particular, we accept the following index creation request, even though it should not contain the type key `_doc`: ``` PUT index?include_type_name=false { "mappings": { "_doc": { "properties": { ... } } } } ``` There is a similar issue for both 'put templates' and 'put mappings' requests as well. This PR makes the minimal changes to detect and reject these typed mappings in requests. It does not address elastic#38266 generally, or attempt a larger refactor around types in these server-side requests, as I think this should be done at a later time.
jtibshirani
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Pinging @elastic/es-search |
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Pinging @elastic/es-core-features |
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danielmitterdorfer
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CreateIndexRequest#source(Map<String, Object>, ... ), which is used whendeserializing index creation requests, accidentally accepts mappings that are
nested twice under the type key (as described in the bug report #38266).
This in turn causes us to be too lenient in parsing typeless mappings. In
particular, we accept the following index creation request, even though it
should not contain the type key
_doc:There is a similar issue for both 'put templates' and 'put mappings' requests
as well.
This PR makes the minimal changes to detect and reject these typed mappings in
requests. It does not address #38266 generally, or attempt a larger refactor
around types in these server-side requests, as I think this should be done at a
later time.
Backport of #38270.