feat: sql system info function 'database()', 'client_version()', 'server_version()', 'server_status()', 'current_user()' and 'user()'

feat: sql command 'show create database', 'show create table', 'show create stable' and 'alter local'

enh(query): Add the group id in the serialized block format to support the multi-table(super table) interval query.