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https://issues.apache.org/jira/browse/SOLR-11267?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16372507#comment-16372507
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Amrit Sarkar edited comment on SOLR-11267 at 2/22/18 7:14 AM:
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examples on how to use {{add-distinct}}:
pass as list:
{code}
{"id":"mydoc",
"price":{"set":99},
"popularity":{"inc":20},
"categories":{"add":["toys","games"]},
"sub_categories":{"add-distinct":["children games","PG games"]},
"promo_ids":{"remove":"a123x"},
"tags":{"remove":["free_to_try","on_sale"]}
}
{code}
pass as singleton value:
{code}
{"id":"mydoc",
"sub_categories":{"add-distinct":"V games"}
}
{code}
was (Author: [email protected]):
examples on how to use {{add-distinct}}:
pass as list:
{code}
{"id":"mydoc",
"price":{"set":99},
"popularity":{"inc":20},
"categories":{"add":["toys","games"]},
"sub_categories":{"add-distinct":["children games","PG games"]},
"promo_ids":{"remove":"a123x"},
"tags":{"remove":["free_to_try","on_sale"]}
}
pass as singleton value:
{code}
{code}
{"id":"mydoc",
"sub_categories":{"add-distinct":"V games"}
}
{code}
> Add support for "add-distinct" atomic update operation
> ------------------------------------------------------
>
> Key: SOLR-11267
> URL: https://issues.apache.org/jira/browse/SOLR-11267
> Project: Solr
> Issue Type: New Feature
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Ishan Chattopadhyaya
> Assignee: Ishan Chattopadhyaya
> Priority: Major
> Attachments: SOLR-11267.patch, SOLR-11267.patch
>
>
> Often, a multivalued field is used as a set of values. Since multivalued
> fields are more like lists than sets, users do two consecutive operations,
> remove and add, to insert an element into the field and also maintain the
> set's property of only having unique elements.
> Proposing a new single operation, called "add-distinct" (which essentially
> means "add-if-doesn't exist") for this.
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