Differential D3154 Diff 11226 swh/storage/cassandra/cql.py

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swh/storage/cassandra/cql.py

Show First 20 Lines • Show All 788 Lines • ▼ Show 20 Lines	class CqlRunner:

def origin_visit_iter(self, start_token: int) -> Iterator[Row]:		def origin_visit_iter(self, start_token: int) -> Iterator[Row]:
"""Returns all origin visits in order from this token,		"""Returns all origin visits in order from this token,
and wraps around the token space."""		and wraps around the token space."""
yield from self._origin_visit_iter_from(start_token)		yield from self._origin_visit_iter_from(start_token)
yield from self._origin_visit_iter_to(start_token)		yield from self._origin_visit_iter_to(start_token)

##########################		##########################
# 'tool' table		# 'metadata_authority' table
##########################		##########################

_tool_keys = ["id", "name", "version", "configuration"]		_metadata_authority_keys = ["url", "type", "metadata"]

@_prepared_insert_statement("tool_by_uuid", _tool_keys)		@_prepared_insert_statement("metadata_authority", _metadata_authority_keys)
def tool_by_uuid_add_one(self, tool: Dict[str, Any], *, statement) -> None:		def metadata_authority_add(self, url, type, metadata, *, statement):
self._execute_with_retries(statement, [tool[key] for key in self._tool_keys])		return self._execute_with_retries(statement, [url, type, metadata])

@_prepared_insert_statement("tool", _tool_keys)		@_prepared_statement("SELECT * from metadata_authority WHERE type = ? AND url = ?")
def tool_add_one(self, tool: Dict[str, Any], *, statement) -> None:		def metadata_authority_get(self, type, url, *, statement) -> Optional[Row]:
self._execute_with_retries(statement, [tool[key] for key in self._tool_keys])		return next(iter(self._execute_with_retries(statement, [type, url])), None)
self._increment_counter("tool", 1)
		##########################
		# 'metadata_fetcher' table
		##########################

		_metadata_fetcher_keys = ["name", "version", "metadata"]

		@_prepared_insert_statement("metadata_fetcher", _metadata_fetcher_keys)
		def metadata_fetcher_add(self, name, version, metadata, *, statement):
		return self._execute_with_retries(statement, [name, version, metadata])

@_prepared_statement(		@_prepared_statement(
"SELECT id FROM tool " "WHERE name = ? AND version = ? " "AND configuration = ?"		"SELECT * from metadata_fetcher WHERE name = ? AND version = ?"
)		)
def tool_get_one_uuid(		def metadata_fetcher_get(self, name, version, *, statement) -> Optional[Row]:
self, name: str, version: str, configuration: Dict[str, Any], *, statement		return next(iter(self._execute_with_retries(statement, [name, version])), None)
) -> Optional[str]:
rows = list(		##########################
self._execute_with_retries(statement, [name, version, configuration])		# 'origin_metadata' table
		##########################

		_origin_metadata_keys = [
		"origin",
		"authority_type",
		"authority_url",
		"discovery_date",
		"fetcher_name",
		"fetcher_version",
		"format",
		"metadata",
		]

		@_prepared_insert_statement("origin_metadata", _origin_metadata_keys)
		def origin_metadata_add(
		self,
		origin,
		authority_type,
		authority_url,
		discovery_date,
		fetcher_name,
		fetcher_version,
		format,
		metadata,
		*,
		statement,
		):
		return self._execute_with_retries(
		statement,
		[
		origin,
		authority_type,
		authority_url,
		discovery_date,
		fetcher_name,
		fetcher_version,
		format,
		metadata,
		],
		)

		@_prepared_statement(
		"SELECT * from origin_metadata "
		"WHERE origin=? AND authority_url=? AND discovery_date>=? "
		"AND authority_type=?"
		)
		def origin_metadata_get_after(
		self, origin, authority_type, authority_url, after, *, statement
		):
		return self._execute_with_retries(
		statement, [origin, authority_url, after, authority_type]
		)

		@_prepared_statement(
		"SELECT * from origin_metadata "
		"WHERE origin=? AND authority_url=? AND authority_type=?"
		)
		def origin_metadata_get(
		self, origin, authority_type, authority_url, *, statement
		) -> Iterable[Row]:
		return self._execute_with_retries(
		statement, [origin, authority_url, authority_type]
)		)
if rows:
assert len(rows) == 1
return rows[0].id
else:
return None

##########################		##########################
# Miscellaneous		# Miscellaneous
##########################		##########################

@_prepared_statement("SELECT uuid() FROM revision LIMIT 1;")		@_prepared_statement("SELECT uuid() FROM revision LIMIT 1;")
def check_read(self, *, statement):		def check_read(self, *, statement):
self._execute_with_retries(statement, [])		self._execute_with_retries(statement, [])

@_prepared_statement(		@_prepared_statement(
"SELECT object_type, count FROM object_count " "WHERE partition_key=0"		"SELECT object_type, count FROM object_count " "WHERE partition_key=0"
)		)
def stat_counters(self, *, statement) -> ResultSet:		def stat_counters(self, *, statement) -> ResultSet:
return self._execute_with_retries(statement, [])		return self._execute_with_retries(statement, [])