f0dd9b4ace
Backport of #58582 to 7.x branch. This commit adds a new metadata field mapper that validates, that a document has exactly a single timestamp value in the data stream timestamp field and that the timestamp field mapping only has `type`, `meta` or `format` attributes configured. Other attributes can affect the guarantee that an index with this meta field mapper has a useable timestamp field. The MetadataCreateIndexService inserts a data stream timestamp field mapper whenever a new backing index of a data stream is created. Relates to #53100 |
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