Update documentation for arrays that semantic field cannot support it (#11482) (#11488)

opensearch-trigger-bot[bot] · web-flow · commit 45355a791994 · 2025-11-04T15:53:52.000Z
diff --git a/_mappings/supported-field-types/index.md b/_mappings/supported-field-types/index.md
@@ -125,6 +125,9 @@ PUT testindex1/_doc/2
 }
 ```
 
+The `semantic` field cannot contain an array of values because it's mapped to an embedding field (`rank_features` or `knn_vector`), which supports only a single vector.
+{: .note}
+
 ## Multifields
 
 Multifields are used to index the same field differently. Strings are often mapped as `text` for full-text queries and `keyword` for exact-value queries.

Original file line number	Diff line number	Diff line change
`@@ -125,6 +125,9 @@ PUT testindex1/_doc/2`
`125`	`125`	`}`
`126`	`126`	```
`127`	`127`
	`128`	+The `semantic` field cannot contain an array of values because it's mapped to an embedding field (`rank_features` or `knn_vector`), which supports only a single vector.
	`129`	`+{: .note}`
	`130`	`+`
`128`	`131`	`## Multifields`
`129`	`132`
`130`	`133`	Multifields are used to index the same field differently. Strings are often mapped as `text` for full-text queries and `keyword` for exact-value queries.