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[DOCS][8.x] Clarify update behavior for indices with semantic_text fields, flag CCS/CCR limitation #127319

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Apr 24, 2025
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[DOCS][8.x] Clarify update behavior for indices with semantic_text fields, flag CCS/CCR limitation #127319

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7 changes: 5 additions & 2 deletions docs/reference/mapping/types/semantic-text.asciidoc
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Expand Up @@ -222,8 +222,10 @@ In these cases - when you use `sparse_vector` or `dense_vector` field types inst
[[update-script]]
==== Updates to `semantic_text` fields

Updates that use scripts are not supported for an index contains a `semantic_text` field.
Even if the script targets non-`semantic_text` fields, the update will fail when the index contains a `semantic_text` field.
For indices containing `semantic_text` fields, updates that use scripts have the following behavior:

* Are supported through the https://www.elastic.co/docs/api/doc/elasticsearch/operation/operation-update[Update API].
* Are not supported through the https://www.elastic.co/docs/api/doc/elasticsearch/operation/operation-bulk-1[Bulk API] and will fail. Even if the script targets non-`semantic_text` fields, the update will fail when the index contains a `semantic_text` field.

[discrete]
[[copy-to-support]]
Expand Down Expand Up @@ -285,3 +287,4 @@ PUT test-index

* `semantic_text` fields are not currently supported as elements of <<nested,nested fields>>.
* `semantic_text` fields can't currently be set as part of <<dynamic-templates>>.
* `semantic_text` fields are currently not supported with Cross-Cluster Search (CCS) or Cross-Cluster Replication (CCR).