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I use Thinkphp to develope a web project.Now i need query the mongodb with specified fields and suppress the '_id' field.But the '_id' field is include in result set by default.I know in mongodb client can use follow code to suppress '_id' field,but what about use PHP/Thinkphp？

db.inventory.find( { type: 'food' }, { _id:0 } )
Jack Sun
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  • http://stackoverflow.com/questions/17809975/how-to-remove-a-document-referenced-by-an-id-in-mongodb-from-php – Naincy Sep 01 '14 at 07:58

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You can use MongoModel to query, usage like Mysql Model.

M('CollectionName')->where(array('type'=>'food'))->field('_id')->select();

MouLingtao
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