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The following commit(s) were added to refs/heads/branch_9x by this push:
new 93cdd138993 Clarify Field Storage requirements for partial doc
updates. (#1828)
93cdd138993 is described below
commit 93cdd13899325402e488789cb37e97483dec9416
Author: Shawn Heisey <[email protected]>
AuthorDate: Fri Aug 4 20:08:57 2023 -0600
Clarify Field Storage requirements for partial doc updates. (#1828)
---
.../modules/indexing-guide/pages/partial-document-updates.adoc | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git
a/solr/solr-ref-guide/modules/indexing-guide/pages/partial-document-updates.adoc
b/solr/solr-ref-guide/modules/indexing-guide/pages/partial-document-updates.adoc
index 77b97e709a8..133ecca935e 100644
---
a/solr/solr-ref-guide/modules/indexing-guide/pages/partial-document-updates.adoc
+++
b/solr/solr-ref-guide/modules/indexing-guide/pages/partial-document-updates.adoc
@@ -66,14 +66,14 @@ Postive amounts increment the field's value, and negative
decrement.
=== Field Storage
-The core functionality of atomically updating a document requires that all
fields in your schema must be configured as stored (`stored="true"`) or
docValues (`docValues="true"`) except for fields which are `<copyField/>`
destinations, which must be configured as `stored="false"`.
+The core functionality of atomically updating a document requires that all
fields in your schema must be configured as stored (`stored="true"`) or
docValues (`docValues="true"`) except for fields which are `<copyField/>`
destinations, which must be configured as `stored="false"` and either
`docValues="false"` or `useDocValuesAsStored="false"`.
Atomic updates are applied to the document represented by the existing stored
field values.
All data in copyField destinations fields must originate from ONLY copyField
sources.
If `<copyField/>` destinations are configured as stored, then Solr will
attempt to index both the current value of the field as well as an additional
copy from any source fields.
If such fields contain some information that comes from the indexing program
and some information that comes from copyField, then the information which
originally came from the indexing program will be lost when an atomic update is
made.
-There are other kinds of derived fields that must also be set so they aren't
stored.
+There are other kinds of derived fields that must also be set so they aren't
stored, just as mentioned above for `<copyField/>` destinations.
Some spatial field types, such as BBoxField and LatLonSpatialFieldType, use
derived fields.
CurrencyFieldType also uses derived fields.
These types create additional fields which are normally specified by a dynamic
field definition.
