Ejemplo n.º 1
0
 void run() {
     IndexDescriptor* id = addIndexWithInfo();
     // Create a SortPhaseOne.
     SortPhaseOne phaseOne;
     phaseOne.sorter.reset( new BSONObjExternalSorter(_aFirstSort));
     // Add index keys to the phaseOne.
     int32_t nKeys = 130;
     for( int32_t i = 0; i < nKeys; ++i ) {
         phaseOne.sorter->add( BSON( "a" << i ), /* dummy disk loc */ DiskLoc(), false );
     }
     phaseOne.nkeys = phaseOne.n = nKeys;
     phaseOne.sorter->sort( false );
     // Set up remaining arguments.
     set<DiskLoc> dups;
     CurOp* op = cc().curop();
     ProgressMeterHolder pm (op->setMessage("BuildBottomUp",
                                            "BuildBottomUp Progress",
                                            nKeys,
                                            nKeys));
     pm.finished();
     Timer timer;
     // The index's root has not yet been set.
     ASSERT( id->getHead().isNull() );
     // Finish building the index.
     buildBottomUpPhases2And3<V1>( true,
                                   id,
                                   *phaseOne.sorter,
                                   false,
                                   dups,
                                   op,
                                   &phaseOne,
                                   pm,
                                   timer,
                                   true );
     // The index's root is set after the build is complete.
     ASSERT( !id->getHead().isNull() );
     // Create a cursor over the index.
     scoped_ptr<BtreeCursor> cursor(
             BtreeCursor::make( nsdetails( _ns ),
                                id->getOnDisk(),
                                BSON( "" << -1 ),    // startKey below minimum key.
                                BSON( "" << nKeys ), // endKey above maximum key.
                                true,                // endKeyInclusive true.
                                1                    // direction forward.
                                ) );
     // Check that the keys in the index are the expected ones.
     int32_t expectedKey = 0;
     for( ; cursor->ok(); cursor->advance(), ++expectedKey ) {
         ASSERT_EQUALS( expectedKey, cursor->currKey().firstElement().number() );
     }
     ASSERT_EQUALS( nKeys, expectedKey );
 }
Ejemplo n.º 2
0
 void run() {
     IndexDescriptor* id = addIndexWithInfo();
     // Create a SortPhaseOne.
     SortPhaseOne phaseOne;
     phaseOne.sorter.reset(new BSONObjExternalSorter(_aFirstSort));
     // It's necessary to index sufficient keys that a RARELY condition will be triggered,
     // but few enough keys that the btree builder will not create an internal node and check
     // for an interrupt internally (which would cause this test to pass spuriously).
     int32_t nKeys = 130;
     // Add index keys to the phaseOne.
     for( int32_t i = 0; i < nKeys; ++i ) {
         phaseOne.sorter->add( BSON( "a" << i ), /* dummy disk loc */ DiskLoc(), false );
     }
     phaseOne.nkeys = phaseOne.n = nKeys;
     phaseOne.sorter->sort( false );
     // Set up remaining arguments.
     set<DiskLoc> dups;
     CurOp* op = cc().curop();
     ProgressMeterHolder pm (op->setMessage("InterruptBuildBottomUp",
                                            "InterruptBuildBottomUp Progress",
                                            nKeys,
                                            nKeys));
     pm.finished();
     Timer timer;
     // The index's root has not yet been set.
     ASSERT( id->getHead().isNull() );
     // Register a request to kill the current operation.
     cc().curop()->kill();
     if ( _mayInterrupt ) {
         // The build is aborted due to the kill request.
         ASSERT_THROWS
                 ( buildBottomUpPhases2And3<V1>( true,
                                                 id,
                                                 *phaseOne.sorter,
                                                 false,
                                                 dups,
                                                 op,
                                                 &phaseOne,
                                                 pm,
                                                 timer,
                                                 _mayInterrupt ),
                   UserException );
         // The root of the index is not set because the build did not complete.
         ASSERT( id->getHead().isNull() );
     }
     else {
         // The build is aborted despite the kill request because mayInterrupt == false.
         buildBottomUpPhases2And3<V1>( true,
                                       id,
                                       *phaseOne.sorter,
                                       false,
                                       dups,
                                       op,
                                       &phaseOne,
                                       pm,
                                       timer,
                                       _mayInterrupt );
         // The index's root is set after the build is complete.
         ASSERT( !id->getHead().isNull() );
     }
 }