DBQueries { public static <O> int count(final Query<O> query, final String tableName, final Connection connection) { final String selectSql = String.format("SELECT COUNT(objectKey) FROM cqtbl_%s", tableName); PreparedStatement statement = null; try { statement = createAndBindSelectPreparedStatement(selectSql, "", Collections.<WhereClause>emptyList(), query, connection); java.sql.ResultSet resultSet = statement.executeQuery(); if (!resultSet.next()) { throw new IllegalStateException("Unable to execute count. The ResultSet returned no row. Query: " + query); } return resultSet.getInt(1); } catch (Exception e) { throw new IllegalStateException("Unable to execute count. Query: " + query, e); } finally { DBUtils.closeQuietly(statement); } }  static void createIndexTable(final String tableName, final Class<K> objectKeyClass, final Class<A> valueClass, final Connection connection); static boolean indexTableExists(final String tableName, final Connection connection); static void createIndexOnTable(final String tableName, final Connection connection); static void suspendSyncAndJournaling(final Connection connection); static void setSyncAndJournaling(final Connection connection, final SQLiteConfig.SynchronousMode pragmaSynchronous, final SQLiteConfig.JournalMode pragmaJournalMode); static SQLiteConfig.SynchronousMode getPragmaSynchronousOrNull(final Connection connection); static SQLiteConfig.JournalMode getPragmaJournalModeOrNull(final Connection connection); static void dropIndexOnTable(final String tableName, final Connection connection); static void dropIndexTable(final String tableName, final Connection connection); static void clearIndexTable(final String tableName, final Connection connection); static void compactDatabase(final Connection connection); static void expandDatabase(final Connection connection, long numBytes); static long getDatabaseSize(final Connection connection); static int bulkAdd(Iterable<Row<K, A>> rows, final String tableName, final Connection connection); static int bulkRemove(Iterable<K> objectKeys, final String tableName, final Connection connection); static int count(final Query<O> query, final String tableName, final Connection connection); static int countDistinct(final Query<O> query, final String tableName, final Connection connection); static java.sql.ResultSet search(final Query<O> query, final String tableName, final Connection connection); static java.sql.ResultSet getDistinctKeys(final Query<O> query, boolean descending, final String tableName, final Connection connection); static java.sql.ResultSet getKeysAndValues(final Query<O> query, boolean descending, final String tableName, final Connection connection); static int getCountOfDistinctKeys(final String tableName, final Connection connection); static java.sql.ResultSet getDistinctKeysAndCounts(boolean sortByKeyDescending, final String tableName, final Connection connection); static java.sql.ResultSet getAllIndexEntries(final String tableName, final Connection connection); static java.sql.ResultSet getIndexEntryByObjectKey(final K key , final String tableName, final Connection connection); static boolean contains(final K objectKey, final Query<O> query, final String tableName, final Connection connection);  }
@Test public void testCount_Equal() throws SQLException { Connection connection = null; try { ConnectionManager connectionManager = temporaryFileDatabase.getConnectionManager(true); initWithTestData(connectionManager); Equal<Car, String> equal = equal(Car.FEATURES, "abs"); connection = connectionManager.getConnection(null, noQueryOptions()); int count = DBQueries.count(equal, NAME, connection); Assert.assertEquals(2, count); }finally { DBUtils.closeQuietly(connection); } }