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60 lines
2.2 KiB
Python
60 lines
2.2 KiB
Python
# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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from __future__ import annotations
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from superset.db_engine_specs.base import BaseEngineSpec, DatabaseCategory
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class IoTDBEngineSpec(BaseEngineSpec): # pylint: disable=abstract-method
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"""Dialect for Apache IoTDB"""
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engine = "iotdb"
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engine_name = "Apache IoTDB"
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metadata = {
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"description": (
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"Apache IoTDB is a time series database designed for IoT data, "
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"with efficient storage and query capabilities for massive "
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"time series data."
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),
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"logo": "apache-iotdb.svg",
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"homepage_url": "https://iotdb.apache.org/",
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"categories": [
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DatabaseCategory.APACHE_PROJECTS,
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DatabaseCategory.TIME_SERIES,
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DatabaseCategory.OPEN_SOURCE,
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],
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"pypi_packages": ["apache-iotdb"],
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"connection_string": "iotdb://{username}:{password}@{hostname}:{port}",
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"default_port": 6667,
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"parameters": {
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"username": "Database username (default: root)",
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"password": "Database password (default: root)",
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"hostname": "IP address or hostname",
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"port": "Default 6667",
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},
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"notes": (
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"The IoTDB SQLAlchemy dialect was written to integrate with "
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"Apache Superset. IoTDB uses a hierarchical data model, which "
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"is reorganized into a relational model for SQL queries."
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),
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}
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_time_grain_expressions = {
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None: "{col}",
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}
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