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[DOCS] Remove support for unmapped_type:string sort #78272

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Merged
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Sep 23, 2021
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[DOCS] Remove support for unmapped_type:string sort #78272

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[DOCS] Remove support for `unmapped_type:string` sort
jrodewig Sep 23, 2021
a4ffb54
Clarify error
jrodewig Sep 23, 2021
0fbe89c
Reset mapping changes
jrodewig Sep 23, 2021
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14 changes: 14 additions & 0 deletions docs/reference/migration/migrate_8_0/search.asciidoc
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Expand Up @@ -6,6 +6,20 @@
//Installation and Upgrade Guide

//tag::notable-breaking-changes[]
[[remove-unmapped-type-string]]
.The `unmapped_type: string` sort option has been removed.
[%collapsible]
====
*Details* +
Search requests no longer support the `unmapped_type: string` sort option.
Instead, use `unmapped_type: keyword` to handle an unmapped field as if it had
the `keyword` field type but ignore its values for sorting.

*Impact* +
Discontinue use of `unmapped_type: string`. Search requests that include the
`unmapped_type: string` sort option will return shard failures.
====

[[id-field-data]]
.Aggregating and sorting on `_id` is disallowed by default.
[%collapsible]
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