42 lines
1.7 KiB
JavaScript
42 lines
1.7 KiB
JavaScript
t = db.jstests_in4;
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function checkRanges( a, b ) {
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assert.eq( a, b );
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}
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t.drop();
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t.ensureIndex( {a:1,b:1} );
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checkRanges( {a:[[2,2]],b:[[3,3]]}, t.find( {a:2,b:3} ).explain().indexBounds );
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checkRanges( {a:[[2,2],[3,3]],b:[[4,4]]}, t.find( {a:{$in:[2,3]},b:4} ).explain().indexBounds );
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checkRanges( {a:[[2,2]],b:[[3,3],[4,4]]}, t.find( {a:2,b:{$in:[3,4]}} ).explain().indexBounds );
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checkRanges( {a:[[2,2],[3,3]],b:[[4,4],[5,5]]}, t.find( {a:{$in:[2,3]},b:{$in:[4,5]}} ).explain().indexBounds );
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checkRanges( {a:[[2,2],[3,3]],b:[[4,10]]}, t.find( {a:{$in:[2,3]},b:{$gt:4,$lt:10}} ).explain().indexBounds );
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t.save( {a:1,b:1} );
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t.save( {a:2,b:4.5} );
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t.save( {a:2,b:4} );
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assert.eq( 2, t.find( {a:{$in:[2,3]},b:{$in:[4,5]}} ).hint( {a:1,b:1} ).explain().nscanned );
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assert.eq( 2, t.findOne( {a:{$in:[2,3]},b:{$in:[4,5]}} ).a );
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assert.eq( 4, t.findOne( {a:{$in:[2,3]},b:{$in:[4,5]}} ).b );
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t.drop();
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t.ensureIndex( {a:1,b:1,c:1} );
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checkRanges( {a:[[2,2]],b:[[3,3],[4,4]],c:[[5,5]]}, t.find( {a:2,b:{$in:[3,4]},c:5} ).explain().indexBounds );
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t.save( {a:2,b:3,c:5} );
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t.save( {a:2,b:3,c:4} );
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assert.eq( 1, t.find( {a:2,b:{$in:[3,4]},c:5} ).hint( {a:1,b:1,c:1} ).explain().nscanned );
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t.remove();
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t.save( {a:2,b:4,c:5} );
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t.save( {a:2,b:4,c:4} );
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assert.eq( 2, t.find( {a:2,b:{$in:[3,4]},c:5} ).hint( {a:1,b:1,c:1} ).explain().nscanned );
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t.drop();
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t.ensureIndex( {a:1,b:-1} );
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ib = t.find( {a:2,b:{$in:[3,4]}} ).explain().indexBounds;
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checkRanges( {a:[[2,2]],b:[[4,4],[3,3]]}, ib );
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assert( ib.b[ 0 ][ 0 ] > ib.b[ 1 ][ 0 ] );
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ib = t.find( {a:2,b:{$in:[3,4]}} ).sort( {a:-1,b:1} ).explain().indexBounds;
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checkRanges( {a:[[2,2]],b:[[3,3],[4,4]]}, ib );
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assert( ib.b[ 0 ][ 0 ] < ib.b[ 1 ][ 0 ] );
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