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// Test cloneCollection command
var baseName = "jstests_clonecollection";
ports = allocatePorts( 2 );
f = startMongod( "--port", ports[ 0 ], "--dbpath", MongoRunner.dataPath + baseName + "_from", "--nohttpinterface", "--bind_ip", "127.0.0.1" ).getDB( baseName );
t = startMongod( "--port", ports[ 1 ], "--dbpath", MongoRunner.dataPath + 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.a.getIndexes().length, "prep 2");
f.a.ensureIndex( { i: 1 } );
assert.eq( 2, f.a.getIndexes().length, "expected index missing" );
assert.commandWorked( t.cloneCollection( "localhost:" + ports[ 0 ], "a" ) );
if ( t.a.getIndexes().length != 2 ) {
printjson( t.a.getIndexes());
}
assert.eq( 2, t.a.getIndexes().length, "expected index missing" );
// Verify index works
x = t.a.find( { i: 50 } ).hint( { i: 1 } ).explain()
printjson( x )
assert.eq( 1, x.executionStats.nReturned , "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" );
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