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Editorial Team
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Asked: 2026-05-25T23:09:34+00:00

I am using a sqlite query to get nutrient values for a specific food

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I am using a sqlite query to get nutrient values for a specific food item from USDA database.
The query works fine, when tried in simulator, but results in crash on device sometimes.
I am including the USDA database in the app itself. Also the table on which the query is getting executed holds more than 5 lac records. I am getting ‘Level 1 Memory Warning’ at the launch of application. I cannot go for webservices, as the requirement is to give offline support.

Any suggestions how to handle this situation??

Edit :

In the log I get Signal 0 message

Program received signal: “0”.
Data Formatters temporarily unavailable, will re-try after a ‘continue’. (Unknown error loading shared library “/Developer/usr/lib/libXcodeDebuggerSupport.dylib”)

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1 Answer

  1. Editorial Team

    You are exhausting your app’s memory. I am not a DB expert but you will have to use some special techniques to access your huge data base. Perhaps execute multiple queries serially in different sections of the DB. Or divide the DB into segments. Following are some references related to the crash you are seeing-

    Program received signal: “0”. Data Formatters temporarily unavailable

    Data Formatters temporarily unavailable

    Data Formatters temporarily unavailable, will re-try after a 'continue'

    There are more if you search for the error message.

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