import org.apache.commons.dbutils.handlers.AbstractListHandler; //导入依赖的package包/类
public static ResultSetHandler<List<ProxyHistory>> createListResultSetHandler() {
    return new AbstractListHandler<ProxyHistory>() {
        @Override
        protected ProxyHistory handleRow(ResultSet rs) throws SQLException {
            return ProxyHistory.create(rs, false);
        }
    };
}
 

import org.apache.commons.dbutils.handlers.AbstractListHandler; //导入依赖的package包/类
protected void adapt(ObjectDef def) {
    try {
        // initialize
        if (!adapted) {
            if (isAdaptStruct()) {
                ignoreTables = new HashSet<TableDef>(def.tables());
                ignoreColumns = new HashSet<ColumnDef>(def.columns());
            } else {
                ignoreTables = new HashSet<TableDef>(0);
                ignoreColumns = new HashSet<ColumnDef>(0);
            }
            adapted = true;
        }
        if (isAdaptStruct() && !def.tableNames().isEmpty()) {
            String sql = "SELECT TABLE_NAME, COLUMN_NAME FROM USER_TAB_COLUMNS WHERE TABLE_NAME IN ('"
                    + StringUtils.join(def.tableNames(), "','") + "')"; 
            List<String[]> result = getqRunner().query(sql, new AbstractListHandler<String[]>(){
                @Override
                public String[] handleRow(ResultSet rs)
                        throws SQLException {
                    return new String[]{rs.getString(1), rs.getString(2)};
                }
            });
            
            for (String[] row : result) {
                String tableName = row[0];
                String columnName = row[1];

                TableDef tableDef = def.tableByName(tableName);
                if (tableDef != null) {
                    ignoreTables.remove(tableDef);

                    ColumnDef columnDef = tableDef.columnByName(columnName);
                    if (columnDef != null) {
                        ignoreColumns.remove(columnDef);
                    }
                }
            }
        }
    } catch (SQLException e) {
        throw new RuntimeException(e);
    }
}