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From "James Dingwall (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (COUCHDB-1961) CouchDB Module Cache Misbehaving
Date Thu, 12 Dec 2013 17:08:12 GMT

     [ https://issues.apache.org/jira/browse/COUCHDB-1961?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

James Dingwall updated COUCHDB-1961:
------------------------------------

    Affects Version/s: 1.3.1
                       1.4.0
                       1.5.0

> CouchDB Module Cache Misbehaving
> --------------------------------
>
>                 Key: COUCHDB-1961
>                 URL: https://issues.apache.org/jira/browse/COUCHDB-1961
>             Project: CouchDB
>          Issue Type: Bug
>          Components: JavaScript View Server
>    Affects Versions: 1.3.1, 1.4.0, 1.5.0
>            Reporter: James Dingwall
>
> The module cache is breaking update functions which share a common module via require().
 Disabling the caching by adding || true in main.js at line 1174 (CouchDB 1.5.0) resolves
the problem.  With this disabled then both curl commands in the example pass.
> This code was introduced in https://issues.apache.org/jira/browse/COUCHDB-1075
> Here is a complete test case design document which demonstrates the problem.
> {
>    "_id": "_design/ptest",
>    "updates": {
>        "two": "function(doc, req) {\n\trequire('views/lib/docUtil');\n\n\tif(!doc) {\n\t\tdoc
= {};\n\t}\n\n\tdoc._id = 'two';\n\n\tdoc.meta = docUtil.metaCreate();\n\n\treturn([doc, JSON.stringify(doc,
undefined, 2)]);\n}",
>        "one": "function(doc, req) {\n\trequire('views/lib/docUtil');\n\n\tif(!doc) {\n\t\tdoc
= {};\n\t}\n\n\tdoc._id = 'one';\n\n\tdoc.meta = docUtil.metaCreate();\n\n\treturn([doc, JSON.stringify(doc,
undefined, 2)]);\n}"
>    },
>    "language": "javascript",
>    "views": {
>        "lib": {
>            "docUtil": "(function(global) {\n\nvar _metaCreate = function() {\n\treturn({\n\t\ta:
'create',\n\t\tb: 'bbbb'\n\t});\n};\n\nvar _metaModify = function() {\n\treturn({\n\t\ta:
'modify',\n\t\tb: 'bbbb'\n\t});\n};\n\nglobal.docUtil = {\n\tmetaCreate: _metaCreate,\n\tmetaModify:
_metaModify\n};\n\nlog('require docUtil');\n\n})(exports.docUtil = this)"
>        }
>    },
>    "type": "design/ptest"
> }
> Call the update functions like:
> curl -X POST http://couchdb:5984/zydev/_design/ptest/_update/one - creates a document
> curl -X POST http://couchdb:5984/zydev/_design/ptest/_update/two - fails



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