645e9ad9db
--Use of 'orderby' is not allowed for find command. --Passing a negative value for .batchSize() is no longer legal. --Find command accepts 64-bit skip and limit values. --Slow log line format has changed for find command.
37 lines
1.1 KiB
JavaScript
37 lines
1.1 KiB
JavaScript
// SERVER-2845 When skipping objects without loading them, they shouldn't be
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// included in the nscannedObjects count.
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var t = db.jstests_skip1;
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if ( 0 ) { // SERVER-2845
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t.drop();
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t.ensureIndex( {a:1} );
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t.save( {a:5} );
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t.save( {a:5} );
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t.save( {a:5} );
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assert.eq( 3, t.find( {a:5} ).skip( 2 ).explain().nscanned );
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assert.eq( 1, t.find( {a:5} ).skip( 2 ).explain().nscannedObjects );
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}
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// SERVER-13537: Ensure that combinations of skip and limit don't crash
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// the server due to overflow.
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t.drop();
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for (var i = 0; i < 10; i++) {
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t.save({a: i});
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}
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assert.eq( 9, t.find().sort({a: 1}).limit(2147483647).skip(1).itcount() );
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assert.eq( 0, t.find().sort({a: 1}).skip(2147483647).limit(1).itcount() );
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if (!db.getMongo().useReadCommands()) {
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// If we're using OP_QUERY/OP_GET_MORE reads rather than find/getMore command, then the skip and
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// limit fields must fit inside a 32-bit signed integer.
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assert.throws( function() {
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assert.eq( 0, t.find().sort({a: 1}).skip(2147483648).itcount() );
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});
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assert.throws( function() {
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assert.eq( 0, t.find().sort({a: 1}).limit(2147483648).itcount() );
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});
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}
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