from typing import Union class ErrorCode: UNSUPPORTED_METHOD = 1 UNSUPPORTED_PARAMETER = 2 UNEXPECTED_END_OF_FILE = 3 EXPECTED_END_OF_FILE = 4 CANNOT_PARSE_TEXT = 6 INCORRECT_NUMBER_OF_COLUMNS = 7 THERE_IS_NO_COLUMN = 8 SIZES_OF_COLUMNS_DOESNT_MATCH = 9 NOT_FOUND_COLUMN_IN_BLOCK = 10 POSITION_OUT_OF_BOUND = 11 PARAMETER_OUT_OF_BOUND = 12 SIZES_OF_COLUMNS_IN_TUPLE_DOESNT_MATCH = 13 DUPLICATE_COLUMN = 15 NO_SUCH_COLUMN_IN_TABLE = 16 DELIMITER_IN_STRING_LITERAL_DOESNT_MATCH = 17 CANNOT_INSERT_ELEMENT_INTO_CONSTANT_COLUMN = 18 SIZE_OF_FIXED_STRING_DOESNT_MATCH = 19 NUMBER_OF_COLUMNS_DOESNT_MATCH = 20 CANNOT_READ_ALL_DATA_FROM_TAB_SEPARATED_INPUT = 21 CANNOT_PARSE_ALL_VALUE_FROM_TAB_SEPARATED_INPUT = 22 CANNOT_READ_FROM_ISTREAM = 23 CANNOT_WRITE_TO_OSTREAM = 24 CANNOT_PARSE_ESCAPE_SEQUENCE = 25 CANNOT_PARSE_QUOTED_STRING = 26 CANNOT_PARSE_INPUT_ASSERTION_FAILED = 27 CANNOT_PRINT_FLOAT_OR_DOUBLE_NUMBER = 28 CANNOT_PRINT_INTEGER = 29 CANNOT_READ_SIZE_OF_COMPRESSED_CHUNK = 30 CANNOT_READ_COMPRESSED_CHUNK = 31 ATTEMPT_TO_READ_AFTER_EOF = 32 CANNOT_READ_ALL_DATA = 33 TOO_MANY_ARGUMENTS_FOR_FUNCTION = 34 TOO_LESS_ARGUMENTS_FOR_FUNCTION = 35 BAD_ARGUMENTS = 36 UNKNOWN_ELEMENT_IN_AST = 37 CANNOT_PARSE_DATE = 38 TOO_LARGE_SIZE_COMPRESSED = 39 CHECKSUM_DOESNT_MATCH = 40 CANNOT_PARSE_DATETIME = 41 NUMBER_OF_ARGUMENTS_DOESNT_MATCH = 42 ILLEGAL_TYPE_OF_ARGUMENT = 43 ILLEGAL_COLUMN = 44 ILLEGAL_NUMBER_OF_RESULT_COLUMNS = 45 UNKNOWN_FUNCTION = 46 UNKNOWN_IDENTIFIER = 47 NOT_IMPLEMENTED = 48 LOGICAL_ERROR = 49 UNKNOWN_TYPE = 50 EMPTY_LIST_OF_COLUMNS_QUERIED = 51 COLUMN_QUERIED_MORE_THAN_ONCE = 52 TYPE_MISMATCH = 53 STORAGE_DOESNT_ALLOW_PARAMETERS = 54 STORAGE_REQUIRES_PARAMETER = 55 UNKNOWN_STORAGE = 56 TABLE_ALREADY_EXISTS = 57 TABLE_METADATA_ALREADY_EXISTS = 58 ILLEGAL_TYPE_OF_COLUMN_FOR_FILTER = 59 UNKNOWN_TABLE = 60 ONLY_FILTER_COLUMN_IN_BLOCK = 61 SYNTAX_ERROR = 62 UNKNOWN_AGGREGATE_FUNCTION = 63 CANNOT_READ_AGGREGATE_FUNCTION_FROM_TEXT = 64 CANNOT_WRITE_AGGREGATE_FUNCTION_AS_TEXT = 65 NOT_A_COLUMN = 66 ILLEGAL_KEY_OF_AGGREGATION = 67 CANNOT_GET_SIZE_OF_FIELD = 68 ARGUMENT_OUT_OF_BOUND = 69 CANNOT_CONVERT_TYPE = 70 CANNOT_WRITE_AFTER_END_OF_BUFFER = 71 CANNOT_PARSE_NUMBER = 72 UNKNOWN_FORMAT = 73 CANNOT_READ_FROM_FILE_DESCRIPTOR = 74 CANNOT_WRITE_TO_FILE_DESCRIPTOR = 75 CANNOT_OPEN_FILE = 76 CANNOT_CLOSE_FILE = 77 UNKNOWN_TYPE_OF_QUERY = 78 INCORRECT_FILE_NAME = 79 INCORRECT_QUERY = 80 UNKNOWN_DATABASE = 81 DATABASE_ALREADY_EXISTS = 82 DIRECTORY_DOESNT_EXIST = 83 DIRECTORY_ALREADY_EXISTS = 84 FORMAT_IS_NOT_SUITABLE_FOR_INPUT = 85 RECEIVED_ERROR_FROM_REMOTE_IO_SERVER = 86 CANNOT_SEEK_THROUGH_FILE = 87 CANNOT_TRUNCATE_FILE = 88 UNKNOWN_COMPRESSION_METHOD = 89 EMPTY_LIST_OF_COLUMNS_PASSED = 90 SIZES_OF_MARKS_FILES_ARE_INCONSISTENT = 91 EMPTY_DATA_PASSED = 92 UNKNOWN_AGGREGATED_DATA_VARIANT = 93 CANNOT_MERGE_DIFFERENT_AGGREGATED_DATA_VARIANTS = 94 CANNOT_READ_FROM_SOCKET = 95 CANNOT_WRITE_TO_SOCKET = 96 CANNOT_READ_ALL_DATA_FROM_CHUNKED_INPUT = 97 CANNOT_WRITE_TO_EMPTY_BLOCK_OUTPUT_STREAM = 98 UNKNOWN_PACKET_FROM_CLIENT = 99 UNKNOWN_PACKET_FROM_SERVER = 100 UNEXPECTED_PACKET_FROM_CLIENT = 101 UNEXPECTED_PACKET_FROM_SERVER = 102 RECEIVED_DATA_FOR_WRONG_QUERY_ID = 103 TOO_SMALL_BUFFER_SIZE = 104 CANNOT_READ_HISTORY = 105 CANNOT_APPEND_HISTORY = 106 FILE_DOESNT_EXIST = 107 NO_DATA_TO_INSERT = 108 CANNOT_BLOCK_SIGNAL = 109 CANNOT_UNBLOCK_SIGNAL = 110 CANNOT_MANIPULATE_SIGSET = 111 CANNOT_WAIT_FOR_SIGNAL = 112 THERE_IS_NO_SESSION = 113 CANNOT_CLOCK_GETTIME = 114 UNKNOWN_SETTING = 115 THERE_IS_NO_DEFAULT_VALUE = 116 INCORRECT_DATA = 117 ENGINE_REQUIRED = 119 CANNOT_INSERT_VALUE_OF_DIFFERENT_SIZE_INTO_TUPLE = 120 UNKNOWN_SET_DATA_VARIANT = 121 INCOMPATIBLE_COLUMNS = 122 UNKNOWN_TYPE_OF_AST_NODE = 123 INCORRECT_ELEMENT_OF_SET = 124 INCORRECT_RESULT_OF_SCALAR_SUBQUERY = 125 CANNOT_GET_RETURN_TYPE = 126 ILLEGAL_INDEX = 127 TOO_LARGE_ARRAY_SIZE = 128 FUNCTION_IS_SPECIAL = 129 CANNOT_READ_ARRAY_FROM_TEXT = 130 TOO_LARGE_STRING_SIZE = 131 CANNOT_CREATE_TABLE_FROM_METADATA = 132 AGGREGATE_FUNCTION_DOESNT_ALLOW_PARAMETERS = 133 PARAMETERS_TO_AGGREGATE_FUNCTIONS_MUST_BE_LITERALS = 134 ZERO_ARRAY_OR_TUPLE_INDEX = 135 UNKNOWN_ELEMENT_IN_CONFIG = 137 EXCESSIVE_ELEMENT_IN_CONFIG = 138 NO_ELEMENTS_IN_CONFIG = 139 ALL_REQUESTED_COLUMNS_ARE_MISSING = 140 SAMPLING_NOT_SUPPORTED = 141 NOT_FOUND_NODE = 142 FOUND_MORE_THAN_ONE_NODE = 143 FIRST_DATE_IS_BIGGER_THAN_LAST_DATE = 144 UNKNOWN_OVERFLOW_MODE = 145 QUERY_SECTION_DOESNT_MAKE_SENSE = 146 NOT_FOUND_FUNCTION_ELEMENT_FOR_AGGREGATE = 147 NOT_FOUND_RELATION_ELEMENT_FOR_CONDITION = 148 NOT_FOUND_RHS_ELEMENT_FOR_CONDITION = 149 NO_ATTRIBUTES_LISTED = 150 INDEX_OF_COLUMN_IN_SORT_CLAUSE_IS_OUT_OF_RANGE = 151 UNKNOWN_DIRECTION_OF_SORTING = 152 ILLEGAL_DIVISION = 153 AGGREGATE_FUNCTION_NOT_APPLICABLE = 154 UNKNOWN_RELATION = 155 DICTIONARIES_WAS_NOT_LOADED = 156 ILLEGAL_OVERFLOW_MODE = 157 TOO_MANY_ROWS = 158 TIMEOUT_EXCEEDED = 159 TOO_SLOW = 160 TOO_MANY_COLUMNS = 161 TOO_DEEP_SUBQUERIES = 162 TOO_DEEP_PIPELINE = 163 READONLY = 164 TOO_MANY_TEMPORARY_COLUMNS = 165 TOO_MANY_TEMPORARY_NON_CONST_COLUMNS = 166 TOO_DEEP_AST = 167 TOO_BIG_AST = 168 BAD_TYPE_OF_FIELD = 169 BAD_GET = 170 BLOCKS_HAVE_DIFFERENT_STRUCTURE = 171 CANNOT_CREATE_DIRECTORY = 172 CANNOT_ALLOCATE_MEMORY = 173 CYCLIC_ALIASES = 174 CHUNK_NOT_FOUND = 176 DUPLICATE_CHUNK_NAME = 177 MULTIPLE_ALIASES_FOR_EXPRESSION = 178 MULTIPLE_EXPRESSIONS_FOR_ALIAS = 179 THERE_IS_NO_PROFILE = 180 ILLEGAL_FINAL = 181 ILLEGAL_PREWHERE = 182 UNEXPECTED_EXPRESSION = 183 ILLEGAL_AGGREGATION = 184 UNSUPPORTED_MYISAM_BLOCK_TYPE = 185 UNSUPPORTED_COLLATION_LOCALE = 186 COLLATION_COMPARISON_FAILED = 187 UNKNOWN_ACTION = 188 TABLE_MUST_NOT_BE_CREATED_MANUALLY = 189 SIZES_OF_ARRAYS_DOESNT_MATCH = 190 SET_SIZE_LIMIT_EXCEEDED = 191 UNKNOWN_USER = 192 WRONG_PASSWORD = 193 REQUIRED_PASSWORD = 194 IP_ADDRESS_NOT_ALLOWED = 195 UNKNOWN_ADDRESS_PATTERN_TYPE = 196 SERVER_REVISION_IS_TOO_OLD = 197 DNS_ERROR = 198 UNKNOWN_QUOTA = 199 QUOTA_DOESNT_ALLOW_KEYS = 200 QUOTA_EXPIRED = 201 TOO_MANY_SIMULTANEOUS_QUERIES = 202 NO_FREE_CONNECTION = 203 CANNOT_FSYNC = 204 NESTED_TYPE_TOO_DEEP = 205 ALIAS_REQUIRED = 206 AMBIGUOUS_IDENTIFIER = 207 EMPTY_NESTED_TABLE = 208 SOCKET_TIMEOUT = 209 NETWORK_ERROR = 210 EMPTY_QUERY = 211 UNKNOWN_LOAD_BALANCING = 212 UNKNOWN_TOTALS_MODE = 213 CANNOT_STATVFS = 214 NOT_AN_AGGREGATE = 215 QUERY_WITH_SAME_ID_IS_ALREADY_RUNNING = 216 CLIENT_HAS_CONNECTED_TO_WRONG_PORT = 217 TABLE_IS_DROPPED = 218 DATABASE_NOT_EMPTY = 219 DUPLICATE_INTERSERVER_IO_ENDPOINT = 220 NO_SUCH_INTERSERVER_IO_ENDPOINT = 221 ADDING_REPLICA_TO_NON_EMPTY_TABLE = 222 UNEXPECTED_AST_STRUCTURE = 223 REPLICA_IS_ALREADY_ACTIVE = 224 NO_ZOOKEEPER = 225 NO_FILE_IN_DATA_PART = 226 UNEXPECTED_FILE_IN_DATA_PART = 227 BAD_SIZE_OF_FILE_IN_DATA_PART = 228 QUERY_IS_TOO_LARGE = 229 NOT_FOUND_EXPECTED_DATA_PART = 230 TOO_MANY_UNEXPECTED_DATA_PARTS = 231 NO_SUCH_DATA_PART = 232 BAD_DATA_PART_NAME = 233 NO_REPLICA_HAS_PART = 234 DUPLICATE_DATA_PART = 235 ABORTED = 236 NO_REPLICA_NAME_GIVEN = 237 FORMAT_VERSION_TOO_OLD = 238 CANNOT_MUNMAP = 239 CANNOT_MREMAP = 240 MEMORY_LIMIT_EXCEEDED = 241 TABLE_IS_READ_ONLY = 242 NOT_ENOUGH_SPACE = 243 UNEXPECTED_ZOOKEEPER_ERROR = 244 CORRUPTED_DATA = 246 INCORRECT_MARK = 247 INVALID_PARTITION_VALUE = 248 NOT_ENOUGH_BLOCK_NUMBERS = 250 NO_SUCH_REPLICA = 251 TOO_MANY_PARTS = 252 REPLICA_IS_ALREADY_EXIST = 253 NO_ACTIVE_REPLICAS = 254 TOO_MANY_RETRIES_TO_FETCH_PARTS = 255 PARTITION_ALREADY_EXISTS = 256 PARTITION_DOESNT_EXIST = 257 UNION_ALL_RESULT_STRUCTURES_MISMATCH = 258 CLIENT_OUTPUT_FORMAT_SPECIFIED = 260 UNKNOWN_BLOCK_INFO_FIELD = 261 BAD_COLLATION = 262 CANNOT_COMPILE_CODE = 263 INCOMPATIBLE_TYPE_OF_JOIN = 264 NO_AVAILABLE_REPLICA = 265 MISMATCH_REPLICAS_DATA_SOURCES = 266 STORAGE_DOESNT_SUPPORT_PARALLEL_REPLICAS = 267 CPUID_ERROR = 268 INFINITE_LOOP = 269 CANNOT_COMPRESS = 270 CANNOT_DECOMPRESS = 271 AIO_SUBMIT_ERROR = 272 AIO_COMPLETION_ERROR = 273 AIO_READ_ERROR = 274 AIO_WRITE_ERROR = 275 INDEX_NOT_USED = 277 LEADERSHIP_LOST = 278 ALL_CONNECTION_TRIES_FAILED = 279 NO_AVAILABLE_DATA = 280 DICTIONARY_IS_EMPTY = 281 INCORRECT_INDEX = 282 UNKNOWN_DISTRIBUTED_PRODUCT_MODE = 283 UNKNOWN_GLOBAL_SUBQUERIES_METHOD = 284 TOO_LESS_LIVE_REPLICAS = 285 UNSATISFIED_QUORUM_FOR_PREVIOUS_WRITE = 286 UNKNOWN_FORMAT_VERSION = 287 DISTRIBUTED_IN_JOIN_SUBQUERY_DENIED = 288 REPLICA_IS_NOT_IN_QUORUM = 289 LIMIT_EXCEEDED = 290 DATABASE_ACCESS_DENIED = 291 LEADERSHIP_CHANGED = 292 MONGODB_CANNOT_AUTHENTICATE = 293 INVALID_BLOCK_EXTRA_INFO = 294 RECEIVED_EMPTY_DATA = 295 NO_REMOTE_SHARD_FOUND = 296 SHARD_HAS_NO_CONNECTIONS = 297 CANNOT_PIPE = 298 CANNOT_FORK = 299 CANNOT_DLSYM = 300 CANNOT_CREATE_CHILD_PROCESS = 301 CHILD_WAS_NOT_EXITED_NORMALLY = 302 CANNOT_SELECT = 303 CANNOT_WAITPID = 304 TABLE_WAS_NOT_DROPPED = 305 TOO_DEEP_RECURSION = 306 TOO_MANY_BYTES = 307 UNEXPECTED_NODE_IN_ZOOKEEPER = 308 FUNCTION_CANNOT_HAVE_PARAMETERS = 309 INVALID_SHARD_WEIGHT = 317 INVALID_CONFIG_PARAMETER = 318 UNKNOWN_STATUS_OF_INSERT = 319 VALUE_IS_OUT_OF_RANGE_OF_DATA_TYPE = 321 BARRIER_TIMEOUT = 335 UNKNOWN_DATABASE_ENGINE = 336 DDL_GUARD_IS_ACTIVE = 337 UNFINISHED = 341 METADATA_MISMATCH = 342 SUPPORT_IS_DISABLED = 344 TABLE_DIFFERS_TOO_MUCH = 345 CANNOT_CONVERT_CHARSET = 346 CANNOT_LOAD_CONFIG = 347 CANNOT_INSERT_NULL_IN_ORDINARY_COLUMN = 349 INCOMPATIBLE_SOURCE_TABLES = 350 AMBIGUOUS_TABLE_NAME = 351 AMBIGUOUS_COLUMN_NAME = 352 INDEX_OF_POSITIONAL_ARGUMENT_IS_OUT_OF_RANGE = 353 ZLIB_INFLATE_FAILED = 354 ZLIB_DEFLATE_FAILED = 355 BAD_LAMBDA = 356 RESERVED_IDENTIFIER_NAME = 357 INTO_OUTFILE_NOT_ALLOWED = 358 TABLE_SIZE_EXCEEDS_MAX_DROP_SIZE_LIMIT = 359 CANNOT_CREATE_CHARSET_CONVERTER = 360 SEEK_POSITION_OUT_OF_BOUND = 361 CURRENT_WRITE_BUFFER_IS_EXHAUSTED = 362 CANNOT_CREATE_IO_BUFFER = 363 RECEIVED_ERROR_TOO_MANY_REQUESTS = 364 OUTPUT_IS_NOT_SORTED = 365 SIZES_OF_NESTED_COLUMNS_ARE_INCONSISTENT = 366 TOO_MANY_FETCHES = 367 BAD_CAST = 368 ALL_REPLICAS_ARE_STALE = 369 DATA_TYPE_CANNOT_BE_USED_IN_TABLES = 370 INCONSISTENT_CLUSTER_DEFINITION = 371 SESSION_NOT_FOUND = 372 SESSION_IS_LOCKED = 373 INVALID_SESSION_TIMEOUT = 374 CANNOT_DLOPEN = 375 CANNOT_PARSE_UUID = 376 ILLEGAL_SYNTAX_FOR_DATA_TYPE = 377 DATA_TYPE_CANNOT_HAVE_ARGUMENTS = 378 UNKNOWN_STATUS_OF_DISTRIBUTED_DDL_TASK = 379 CANNOT_KILL = 380 HTTP_LENGTH_REQUIRED = 381 CANNOT_LOAD_CATBOOST_MODEL = 382 CANNOT_APPLY_CATBOOST_MODEL = 383 PART_IS_TEMPORARILY_LOCKED = 384 MULTIPLE_STREAMS_REQUIRED = 385 NO_COMMON_TYPE = 386 EXTERNAL_LOADABLE_ALREADY_EXISTS = 387 CANNOT_ASSIGN_OPTIMIZE = 388 INSERT_WAS_DEDUPLICATED = 389 CANNOT_GET_CREATE_TABLE_QUERY = 390 EXTERNAL_LIBRARY_ERROR = 391 QUERY_IS_PROHIBITED = 392 THERE_IS_NO_QUERY = 393 QUERY_WAS_CANCELLED = 394 FUNCTION_THROW_IF_VALUE_IS_NON_ZERO = 395 TOO_MANY_ROWS_OR_BYTES = 396 QUERY_IS_NOT_SUPPORTED_IN_MATERIALIZED_VIEW = 397 CANNOT_PARSE_DOMAIN_VALUE_FROM_STRING = 441 KEEPER_EXCEPTION = 999 POCO_EXCEPTION = 1000 STD_EXCEPTION = 1001 UNKNOWN_EXCEPTION = 1002 CONDITIONAL_TREE_PARENT_NOT_FOUND = 2001 ILLEGAL_PROJECTION_MANIPULATOR = 2002 class Warning(Exception): # noqa: A001 """Asynch DB-API v2.0 Warning. Exception raised for important warnings like data truncations while inserting, etc. It must be a subclass of the Python Exception class. Defined for DB-API v2.0 compatibility. """ class Error(Exception): """Asynch DB-API v2.0 Error. Exception that is the base class of all other error exceptions. You can use this to catch all errors with one single except statement. Warnings are not considered errors and thus should not use this class as base. It must be a subclass of the Python Exception class. Defined for DB-API v2.0 compatibility. """ class ClickHouseException(Error): code: Union[None, int] = None def __init__(self, message=None): self.message = message def __str__(self): message = " " + self.message if self.message is not None else "" return f"Code: {self.code}.{message}" class ServerException(ClickHouseException): def __init__(self, message, code, nested=None): self.message = message self.code = code self.nested = nested def __str__(self): nested = f"\nNested: {self.nested}" if self.nested else "" return f"Code: {self.code}.{nested}\n{self.message}" class UnexpectedPacketFromServerError(ClickHouseException): code = ErrorCode.UNEXPECTED_PACKET_FROM_SERVER class LogicalError(ClickHouseException): code = ErrorCode.LOGICAL_ERROR class UnknownTypeError(ClickHouseException): code = ErrorCode.UNKNOWN_TYPE class ChecksumDoesntMatchError(ClickHouseException): code = ErrorCode.CHECKSUM_DOESNT_MATCH class TypeMismatchError(ClickHouseException): code = ErrorCode.TYPE_MISMATCH class UnknownCompressionMethod(ClickHouseException): code = ErrorCode.UNKNOWN_COMPRESSION_METHOD class TooLargeStringSize(ClickHouseException): code = ErrorCode.TOO_LARGE_STRING_SIZE class NetworkError(ClickHouseException): code = ErrorCode.NETWORK_ERROR class SocketTimeoutError(ClickHouseException): code = ErrorCode.SOCKET_TIMEOUT class UnknownPacketFromServerError(ClickHouseException): code = ErrorCode.UNKNOWN_PACKET_FROM_SERVER class CannotParseUuidError(ClickHouseException): code = ErrorCode.CANNOT_PARSE_UUID class CannotParseDomainError(ClickHouseException): code = ErrorCode.CANNOT_PARSE_DOMAIN_VALUE_FROM_STRING class PartiallyConsumedQueryError(ClickHouseException): code = -1 def __str__(self): return "Simultaneous queries on single connection detected" class ColumnException(ClickHouseException): pass class ColumnTypeMismatchException(ColumnException): pass class StructPackException(ColumnException): pass class InterfaceError(ClickHouseException): """ClickHouse InterfaceError. Exception raised for errors that are related to the database interface rather than the database itself. It must be a subclass of Error. """ class DatabaseError(ClickHouseException): """ClickHouse DatabaseError. Exception raised for errors that are related to the database. It must be a subclass of Error. """ class DataError(DatabaseError): """ClickHouse DataError. Exception raised for errors that are due to problems with the processed data like division by zero, numeric value out of range, etc. It must be a subclass of DatabaseError. """ class OperationalError(DatabaseError): """ClickHouse OperationalError. Exception raised for errors that are related to the database's operation and not necessarily under the control of the programmer, e.g. an unexpected disconnect occurs, the data source name is not found, a transaction could not be processed, a memory allocation error occurred during processing, etc. It must be a subclass of DatabaseError. """ class IntegrityError(DatabaseError): """ClickHouse IntegrityError. Exception raised when the relational integrity of the database is affected, e.g. a foreign key check fails. It must be a subclass of DatabaseError. """ class InternalError(DatabaseError): """ClickHouse InternalError. Exception raised when the database encounters an internal error, e.g. the cursor is not valid anymore, the transaction is out of sync, etc. It must be a subclass of DatabaseError. """ class ProgrammingError(DatabaseError): """ClickHouse ProgrammingError. Exception raised for programming errors, e.g. table not found or already exists, syntax error in the SQL statement, wrong number of parameters specified, etc. It must be a subclass of DatabaseError. """ class NotSupportedError(DatabaseError): """ClickHouse NotSupportedError. Exception raised in case a method or database API was used which is not supported by the database, e.g. requesting a .rollback() on a connection that does not support transaction or has transactions turned off. It must be a subclass of DatabaseError. """ class AsynchPoolError(ClickHouseException): pass