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https://issues.apache.org/jira/browse/SOLR-5193?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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HeXin updated SOLR-5193:
------------------------
Summary: Atomic update should add one function to check whether the
uniqueKey is already existing (was: Atomic update should add one function to
check the whether uniqueKey is already existing)
> Atomic update should add one function to check whether the uniqueKey is
> already existing
> ----------------------------------------------------------------------------------------
>
> Key: SOLR-5193
> URL: https://issues.apache.org/jira/browse/SOLR-5193
> Project: Solr
> Issue Type: Improvement
> Components: update
> Affects Versions: 4.4
> Reporter: HeXin
> Priority: Minor
> Fix For: 4.5, 5.0
>
>
> When we use below code to update doc:
> curl http://localhost:8983/solr/update -H 'Content-type:application/json' -d '
> [
> {
> "id" : "TestDoc1",
> "publisher" : {"set":"TestPublisher"}
> }
> ]'
> Sometimes we want that the publisher field updates only when the id of
> TestDoc1 has already existed in solr. Because if the "TestDoc1" doesn't exist
> in solr, it is useless to add just one field for the doc.
> Therefore, i think we can support additional syntax tocheck whether the
> uniquekey is already existing just like below:
> curl http://localhost:8983/solr/update -H 'Content-type:application/json' -d '
> [
> {
> "id" : {"check": "TestDoc1"}
> "publisher" : {"set":"TestPublisher"}
> }
> ]'
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