// Test cloneCollection command var baseName = "jstests_clonecollection"; ports = allocatePorts( 2 ); f = startMongod( "--port", ports[ 0 ], "--dbpath", "/data/db/" + baseName + "_from", "--nohttpinterface", "--bind_ip", "127.0.0.1" ).getDB( baseName ); t = startMongod( "--port", ports[ 1 ], "--dbpath", "/data/db/" + baseName + "_to", "--nohttpinterface", "--bind_ip", "127.0.0.1" ).getDB( baseName ); for( i = 0; i < 1000; ++i ) { f.a.save( { i: i } ); } assert.eq( 1000, f.a.find().count() , "A1" ); assert.commandWorked( t.cloneCollection( "localhost:" + ports[ 0 ], "a" ) ); assert.eq( 1000, t.a.find().count() , "A2" ); t.a.drop(); assert.commandWorked( t.cloneCollection( "localhost:" + ports[ 0 ], "a", { i: { $gte: 10, $lt: 20 } } ) ); assert.eq( 10, t.a.find().count() , "A3" ); t.a.drop(); assert.eq( 0, t.system.indexes.find().count() , "prep 2"); f.a.ensureIndex( { i: 1 } ); assert.eq( 2, f.system.indexes.find().count(), "expected index missing" ); assert.commandWorked( t.cloneCollection( "localhost:" + ports[ 0 ], "a" ) ); if ( t.system.indexes.find().count() != 2 ) { printjson( t.system.indexes.find().toArray() ); } assert.eq( 2, t.system.indexes.find().count(), "expected index missing" ); // Verify index works x = t.a.find( { i: 50 } ).hint( { i: 1 } ).explain() printjson( x ) assert.eq( 50, x.indexBounds.i[0][0] , "verify 1" ); assert.eq( 1, t.a.find( { i: 50 } ).hint( { i: 1 } ).toArray().length, "match length did not match expected" ); // Check that capped-ness is preserved on clone f.a.drop(); t.a.drop(); f.createCollection( "a", {capped:true,size:1000} ); assert( f.a.isCapped() ); assert.commandWorked( t.cloneCollection( "localhost:" + ports[ 0 ], "a" ) ); assert( t.a.isCapped(), "cloned collection not capped" );