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https://issues.apache.org/jira/browse/COUCHDB-635?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12806762#action_12806762
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James Cash commented on COUCHDB-635:
------------------------------------
Sure,I try to run the following map:
function(doc) {
if (doc._id == 'CSC190H1S') {
emit([doc._id], doc.activities.L02.outcomes);
}
}
where the doc in question resembles:
{ "_id": "CSC190H1S",
"_rev": "34-b3a5079ea3f7818534426991a8d11907",
"activities": {
"L02": {
"outcomes": {
"constructor": [
"knowledge"
] } } }
The log contains the following entry:
[Sun, 31 Jan 2010 00:37:48 GMT] [info] [<0.19833.3>] OS Process :: function
raised exception (TypeError: toJSON.dispatcher[val.constructor.name] is not a
function) with doc._id CSC190H1S
> A document with a field named 'constructor' causes it to silently be excluded
> from any and all map views
> --------------------------------------------------------------------------------------------------------
>
> Key: COUCHDB-635
> URL: https://issues.apache.org/jira/browse/COUCHDB-635
> Project: CouchDB
> Issue Type: Bug
> Components: JavaScript View Server
> Affects Versions: 0.10.1
> Environment: Mac OS X 10.6.2, CouchDB 0.10.1
> Reporter: James Cash
> Priority: Minor
>
> If a document has a (nested) field named 'constructor', any map which
> attempts to emit the document will instead silently discard it.
> For example, the document
> { "_id": "CSC190H1S",
> "_rev": "32-287eec55e59305ee94129a0be940bf41",
> "outcomes": {
> "constructor": [
> "knowledge"
> ]
> }
> }
> will silently be excluded by any view which attempts to emit "doc" or
> "doc.outcomes" .
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