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t = db.text_blogwild;
t.drop();
t.save( { _id: 1 , title: "my blog post" , text: "this is a new blog i am writing. yay eliot" } );
t.save( { _id: 2 , title: "my 2nd post" , text: "this is a new blog i am writing. yay" } );
t.save( { _id: 3 , title: "knives are Fun for writing eliot" , text: "this is a new blog i am writing. yay" } );
// default weight is 1
// specify weights if you want a field to be more meaningull
t.ensureIndex( { dummy: "text" } , { weights: "$**" } );
res = t.find( { "$text" : { "$search": "blog" } } );
assert.eq( 3 , res.length() , "A1" );
res = t.find( { "$text" : { "$search": "write" } } );
assert.eq( 3 , res.length() , "B1" );
// mixing
t.dropIndex( "dummy_text" );
assert.eq( 1 , t.getIndexKeys().length , "C1" );
t.ensureIndex( { dummy: "text" } , { weights: { "$**": 1 , title: 2 } } );
res = t.find( { "$text" : { "$search": "write" } }, { score: { "$meta" : "textScore" } } ).sort( { score: { "$meta" : "textScore" } });
assert.eq( 3 , res.length() , "C2" );
assert.eq( 3 , res[0]._id , "C3" );
res = t.find( { "$text" : { "$search": "blog" } }, { score: { "$meta" : "textScore" } } ).sort( { score: { "$meta" : "textScore" } });
assert.eq( 3 , res.length() , "D1" );
assert.eq( 1 , res[0]._id , "D2" );
res = t.find( { "$text" : { "$search": "eliot" } }, { score: { "$meta" : "textScore" } } ).sort( { score: { "$meta" : "textScore" } });
assert.eq( 2 , res.length() , "E1" );
assert.eq( 3 , res[0]._id , "E2" );
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