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64 lines
2.3 KiB
Python
64 lines
2.3 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 typing import Callable
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from sqlalchemy.sql.elements import ColumnElement
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from superset.db_engine_specs.base import DatabaseCategory
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from superset.db_engine_specs.postgres import PostgresBaseEngineSpec
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class YugabyteDBEngineSpec(PostgresBaseEngineSpec):
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"""
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Engine spec for YugabyteDB.
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YugabyteDB is a distributed SQL database built on top of PostgreSQL.
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"""
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engine = "yugabytedb"
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engine_name = "YugabyteDB"
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default_driver = "psycopg2"
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# `PostgresBaseEngineSpec._extended_aggregations` (MEDIAN/STDDEV_SAMP/VAR_SAMP)
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# is verified against real Postgres behavior, not YugabyteDB's distributed
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# query engine; disable it here until someone confirms the same expressions
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# against a live YugabyteDB instance.
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_extended_aggregations: dict[str, Callable[[ColumnElement], ColumnElement]] = {}
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metadata = {
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"description": (
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"YugabyteDB is a distributed SQL database built on top of PostgreSQL."
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),
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"logo": "yugabyte.png",
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"homepage_url": "https://www.yugabyte.com/",
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"categories": [
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DatabaseCategory.CLOUD_DATA_WAREHOUSES,
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DatabaseCategory.TRADITIONAL_RDBMS,
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DatabaseCategory.OPEN_SOURCE,
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],
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"pypi_packages": ["psycopg2"],
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"connection_string": (
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"postgresql://{username}:{password}@{host}:{port}/{database}"
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),
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"default_port": 5433,
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"notes": "Uses the PostgreSQL driver. psycopg2 comes bundled with Superset.",
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"docs_url": "https://docs.yugabyte.com/",
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}
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