[Backport 2.x] Add DerivedFieldMapper and support parsing it in mappings (#12569)#13036

Merged

msfroh merged 1 commit intoopensearch-project:2.xfrom rishabhmaurya:backport/backport-12569-to-2.x

Apr 4, 2024

+686-3

Commits on Apr 3, 2024

Add DerivedFieldMapper and support parsing it in mappings (opensearch-project#12569 )

qreshi
authored and
rishabhmaurya
committed