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  1. #1
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    Default Buffered store.findExact() throw Object [object Object] has no method 'findIndexBy'

    Buffered store.findExact() throw Object [object Object] has no method 'findIndexBy'


    Hi again!
    I found that method store.findExact() call store.data.findIndexBy();
    For most stores store.data property is Ext.util.MixedCollection which has findIndexBy() method.
    But if store.buffered data property is PageMap (extend: 'Ext.util.LruCache', 'Ext.util.HashMap'). All this classes has no findIndexBy method =(

    Code:
           if (me.buffered) {
                me.data = new me.PageMap({
                    store: me,
                    pageSize: me.pageSize,
                    maxSize: me.purgePageCount,
                    listeners: {
                        // Whenever PageMap gets cleared, it means we re no longer interested in 
                        // any outstanding page prefetches, so cancel tham all
                        clear: me.onPageMapClear,
                        scope: me
                    }
                });
                me.pageRequests = {};
    
                me.sortOnLoad = false;
                me.filterOnLoad = false;
            } else {
        
                me.data = new Ext.util.MixedCollection(false, Ext.data.Store.recordIdFn);
                me.data.pageSize = me.pageSize;
            }

  2. #2
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    Default


    How do you initiate this search? Since a buffered store is designed to be a partial view of the remote data, at best, only some records will be local and hence findable.

    I recall that we did merge a fix (it may be new to 4.2.0 beta 2 - http://www.sencha.com/forum/showthre...-Now-Available) that should allow you to find records that are "in view" under the assumption that this is often initiated by a row action or similar and the record is certain to be local.

    Beyond that special case, all other operations that would require complete knowledge will probably fail in this way as there is no point in implementing methods that cannot possibly work with partial data.
    Don Griffin
    Ext JS Development Team Lead

    Check the docs. Learn how to (properly) report a framework issue and a Sencha Cmd issue

    "Use the source, Luke!"

  3. #3
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    Default


    This is not fixed in the 4.2.0 release. As long as store is buffered, both find and query fail.

  4. #4
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    Default


    We have a "fix" for this ready to go.

    But you do understand the limitation don't you?

    You will only get to search the few patches of the dataset that you have visited.

  5. #5
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    Default


    Thanks for the reply. Yes I do understand the limitation. In our app, we make sure the record we want find is fetched from the server side in a buffered store. So what is the fix? or when it will be available?

  6. #6
    Sencha - Ext JS Dev Team dongryphon's Avatar
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    If that is the case, why is the store buffered then? Just want to understand the use case here
    Don Griffin
    Ext JS Development Team Lead

    Check the docs. Learn how to (properly) report a framework issue and a Sencha Cmd issue

    "Use the source, Luke!"

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