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https://issues.apache.org/jira/browse/COUCHDB-899?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Paul Joseph Davis resolved COUCHDB-899.
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Resolution: Invalid
Underlying clause was that the doc was being edited in a different map view.
We should re-investigate document sealing to prevent this.
> Array fields being returned empty in permanent views, but work fine as
> temporary views.
> ---------------------------------------------------------------------------------------
>
> Key: COUCHDB-899
> URL: https://issues.apache.org/jira/browse/COUCHDB-899
> Project: CouchDB
> Issue Type: Bug
> Components: JavaScript View Server
> Affects Versions: 1.0.1
> Environment: CouchDB 1.0.1 running on Ubuntu 10.10 beta - this is
> the contents of my local.ini (comments removed)
> [couchdb]
> delayed_commits = false
> [httpd]
> port = 80
> bind_address = 0.0.0.0
> WWW-Authenticate = Basic realm="administrator"
> [couch_httpd_auth]
> require_valid_user = true
> [log]
> level = debug
> Reporter: John Le Drew
>
> I am creating an accounting app; the transactions are stored using the
> following doc:
> {
> "_id": "405b791b64424d12e03c12e6e5001535",
> "_rev": "1-97d53ba31a6ebb8c0508d0fc8776fac5",
> "type": "transaction",
> "account": "account_id",
> "payee": "Gas Company",
> "description": "May Bill",
> "date": "2009/05/25",
> "status": "cleared",
> "category": "Bills / Gas",
> "value": -5000
> }
> Or they can be split acroll multiple accounts / categories / etc. In this
> case split over two categories:
> {
> "_id": "405b791b64424d12e03c12e6e5002532",
> "_rev": "1-da46384d5f9fbfd26acbf8fc9a8e82fe",
> "type": "transaction",
> "account": "account_id",
> "payee": "Credit Card Company",
> "description": "May Statement",
> "date": "2009/06/02",
> "status": "uncleared",
> "category": "Debt / Credit Card Payments",
> "value": -5000,
> "split": [
> {
> "category": "Dept / Default Charges",
> "value": -1000
> }
> ]
> }
> I have made a view to display all the unique categories in use across all
> transactions.
> // MAP
> function(doc) {
> if (doc.type && doc.type == 'transaction') {
> if (doc.category) emit(doc.category);
> if (doc.split) doc.split.map(function(spl) {
> if (spl.category) emit(spl.category);
> });
> }
> }
> // REDUCE
> function(keys, values, rereduce) {
> return true;
> }
> // CURRENT OUTPUT OF VIEW (with group=true)
> {
> "rows": [
> {
> "key": "Debt / Credit Card Payments",
> "value": true
> },
> {
> "key": "Bills / Gas",
> "value": true
> }
> ]
> }
> // CURRENT OUTPUT OF VIEW WHEN RUN AS A TEMPORARY VIEW (with group=true)
> {
> "rows": [
> {
> "key": "Dept / Default Charges",
> "value": true
> },
> {
> "key": "Debt / Credit Card Payments",
> "value": true
> },
> {
> "key": "Bills / Gas",
> "value": true
> }
> ]
> }
> SIMPLE TEST VIEW
> function(doc) {
> if (doc.split) emit(null,doc.split);
> }
> OUTPUT OF TEMP VIEW
> {
> "total_rows": 1,
> "offset": 0,
> "rows": [
> {
> "id": "405b791b64424d12e03c12e6e5002532",
> "key": null,
> "value": [
> {
> "category": "Dept / Default Charges",
> "value": -1000
> }
> ]
> }
> ]
> }
> OUTPUT OF SAME VIEW AFTER SAVE
> {
> "total_rows": 1,
> "offset": 0,
> "rows": [
> {
> "id": "405b791b64424d12e03c12e6e5002532",
> "key": null,
> "value": [
> ]
> }
> ]
> }
> It seems from the above that couch is for some reason returning the array as
> empty.
> Thanks for your time on IRC already.
> Cheers
> John
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