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https://issues.apache.org/jira/browse/SOLR-6304?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14087756#comment-14087756
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Shalin Shekhar Mangar commented on SOLR-6304:
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I like this. We should try to standardize this across CSV and XML formats too
(but don't let that stop you).
Initially I thought that we could do f.id.map=/batters/batter/id instead of
f=id:/batters/batter/id but then that'd mean that not specifying field names
would not be possible. In the current syntax, one can just write
f=:/batters/batter/id and the field name can automatically be inferred as id if
required.
> Add a way to flatten an input JSON to multiple docs
> ---------------------------------------------------
>
> Key: SOLR-6304
> URL: https://issues.apache.org/jira/browse/SOLR-6304
> Project: Solr
> Issue Type: Improvement
> Reporter: Noble Paul
> Assignee: Noble Paul
>
> example
> {noformat}
> curl
> localhost:8983/update/json/docs?split=/batters/batter&f=recipeId:/id&f=recipeType:/type&f=id:/batters/batter/id&f=type:/batters/batter/type
> -d '
> {
> "id": "0001",
> "type": "donut",
> "name": "Cake",
> "ppu": 0.55,
> "batters": {
> "batter":
> [
> { "id": "1001", "type":
> "Regular" },
> { "id": "1002", "type":
> "Chocolate" },
> { "id": "1003", "type":
> "Blueberry" },
> { "id": "1004", "type":
> "Devil's Food" }
> ]
> }
> }'
> {noformat}
> should produce the following output docs
> {noformat}
> { "recipeId":"001", "recipeType":"donut", "id":"1001", "type":"Regular" }
> { "recipeId":"001", "recipeType":"donut", "id":"1002", "type":"Chocolate" }
> { "recipeId":"001", "recipeType":"donut", "id":"1003", "type":"Blueberry" }
> { "recipeId":"001", "recipeType":"donut", "id":"1004", "type":"Devil's food" }
> {noformat}
> the split param is the element in the tree where it should be split into
> multiple docs. The 'f' are field name mappings
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