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Editorial Team
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Asked: 2026-06-14T05:57:18+00:00

I want to implement auto suggest functionality in Google App Engine (GAE/GWT). The client

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I want to implement auto suggest functionality in Google App Engine (GAE/GWT).

The client side of the implementation works fine with GWT SuggestBox and RPC.
My main issue is the server side of the implementation. I tried the Google search API but it seems that there is a limitation of 250MB of total indexed data and the search can be performed on complete words and not parts of each word!

How should I approach this? I read that lucene or solr is not supported in GAE.
I would appreciate your thoughts on this.

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1 Answer

  1. Editorial Team

    I’ve taken this approach and it works fine for me:

    1. Split up text into separate words. Get rid of duplicates, special characters and short words (in, of, and, etc..).

    2. Add this list of words to entity as a list property.

    3. Search via text range query: listProperty >= wordPart && listProperty < wordPart + "\ufffd"

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