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57 lines
2.0 KiB
Python
57 lines
2.0 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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"""
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A native Superset database.
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"""
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from superset.db_engine_specs.base import DatabaseCategory
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from superset.db_engine_specs.shillelagh import ShillelaghEngineSpec
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class SupersetEngineSpec(ShillelaghEngineSpec):
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"""
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Internal engine for Superset
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This DB engine spec is a meta-database. It uses the shillelagh library
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to build a DB that can operate across different Superset databases.
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"""
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engine = "superset"
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engine_name = "Superset meta database"
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drivers = {"": "Native driver"}
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default_driver = ""
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sqlalchemy_uri_placeholder = "superset://"
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supports_file_upload = False
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metadata = {
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"description": (
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"Superset meta database is an experimental feature that enables "
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"querying across multiple configured databases using a single connection."
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),
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"logo": "superset.svg",
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"homepage_url": "https://superset.apache.org/",
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"categories": [DatabaseCategory.OTHER],
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"pypi_packages": [],
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"connection_string": "superset://",
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"notes": (
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"This is an internal Superset feature. Enable with ENABLE_SUPERSET_META_DB "
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"feature flag. Allows cross-database queries using virtual tables."
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),
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}
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