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https://issues.apache.org/jira/browse/COUCHDB-64?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
viorel mitache updated COUCHDB-64:
----------------------------------
Attachment: replication_filter.patch
Filtered replication, using already in place _changes filter.
Added two extra options for _replicate handler
{
source:..
target:..
"filter": "designDoc/filterFn",
"filter_params" : "p1=v1&p2=v2.." // optional query params - will be passed
to _changes handler
}
design doc example
{
"_id": "_design/d1",
"_rev": "19-d2e5f7715acdbe68938925fe2a22d192",
"language": "javascript",
"filters": {
"none": "function(doc, req) { return false; }",
"design_docs": "function(doc, req) { return
doc._id.match('_design/(.*)')}",
"by_location": "function(doc, req) { var location_tags =
req.query.location_tags; \n if(!location_tags) {return false;} \n
if(!doc.location_tags) {return true;} \n location_tags =
location_tags.split(','); \n for(var x=0; x < location_tags.length;x++) { \n
for(var y = 0;y < doc.location_tags.length;y++) { \n if(location_tags[x] ==
doc.location_tags[y]) {return true;} \n } \n } \n return false;}"
}
}
test command line(s) :
curl -X POST -d
"{\"source\":<src_db>,\"target\":<target_db>.\"filter\":\"d1/design_docs\"}"
http://host:port/dbname/_replicate
OR
curl -X POST -d
"{\"source\":<src_db>,\"target\":<target_db>.\"filter\":\"d1/by_location\",\"filter_params\":\"location_tag=loc1\"}"
http://host:port/dbname/_replicate
> Enable selective replication
> ----------------------------
>
> Key: COUCHDB-64
> URL: https://issues.apache.org/jira/browse/COUCHDB-64
> Project: CouchDB
> Issue Type: Improvement
> Components: Replication
> Environment: All
> Reporter: Jan Lehnardt
> Priority: Minor
> Fix For: 0.11
>
> Attachments: replication_filter.patch
>
>
> Make it possible to filter the set of documents that is to be replicated.
> Also allow replication to omit attachment-data.
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