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feat: add connector for CouchbaseDB #29225
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4ee9d0f
feat: add connector for CouchbaseDB
ayush-couchbase fae8eb9
feat: add connector for CouchbaseDB
ayush-couchbase 1729729
Add connector for couchbasedb,test and docs.
ayush-couchbase ab1129c
Merge branch 'master' into master
ayush33143314 9c8016a
Fixed typing error
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# Licensed to the Apache Software Foundation (ASF) under one | ||
# or more contributor license agreements. See the NOTICE file | ||
# distributed with this work for additional information | ||
# regarding copyright ownership. The ASF licenses this file | ||
# to you under the Apache License, Version 2.0 (the | ||
# "License"); you may not use this file except in compliance | ||
# with the License. You may obtain a copy of the License at | ||
# | ||
# http://www.apache.org/licenses/LICENSE-2.0 | ||
# | ||
# Unless required by applicable law or agreed to in writing, | ||
# software distributed under the License is distributed on an | ||
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
# KIND, either express or implied. See the License for the | ||
# specific language governing permissions and limitations | ||
# under the License. | ||
from superset.db_engine_specs.base import BaseEngineSpec | ||
from superset.constants import TimeGrain | ||
from datetime import datetime | ||
import sqlparse | ||
from superset.db_engine_specs.base import BaseEngineSpec | ||
from superset.superset_typing import ResultSetColumnType, SQLAColumnType | ||
from flask_babel import gettext as __ | ||
from superset.db_engine_specs.base import BaseEngineSpec | ||
from typing import ( | ||
Any | ||
) | ||
|
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class CouchbaseEngineSpec(BaseEngineSpec): | ||
engine = 'couchbase' | ||
engine_name = 'couchbase' | ||
allows_subqueries = False | ||
_time_grain_expressions = { | ||
None: "{col}", | ||
TimeGrain.SECOND: "DATE_TRUNC_STR(TOSTRING({col}),'second')", | ||
TimeGrain.MINUTE: "DATE_TRUNC_STR(TOSTRING({col}),'minute')", | ||
TimeGrain.HOUR: "DATE_TRUNC_STR(TOSTRING({col}),'hour')", | ||
TimeGrain.DAY: "DATE_TRUNC_STR(TOSTRING({col}),'day')", | ||
TimeGrain.MONTH: "DATE_TRUNC_STR(TOSTRING({col}),'month')", | ||
TimeGrain.YEAR: "DATE_TRUNC_STR(TOSTRING({col}),'year')", | ||
TimeGrain.QUARTER: "DATE_TRUNC_STR(TOSTRING({col}),'quarter')" | ||
} | ||
|
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@classmethod | ||
def epoch_to_dttm(cls) -> str: | ||
return "{col} * 1000" | ||
|
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@classmethod | ||
def epoch_ms_to_dttm(cls) -> str: | ||
return "{col}" | ||
|
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@classmethod | ||
def convert_dttm( | ||
cls, target_type: str, dttm: datetime, db_extra: dict[str, Any] | None = None | ||
) -> str | None: | ||
sqla_type = cls.get_sqla_column_type(target_type) | ||
return f"DATETIME(DATE_FORMAT_STR(STR_TO_UTC('{dttm.date().isoformat()}'), 'iso8601'))" | ||
|
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@classmethod | ||
def parse_sql(cls, sql: str) -> list[str]: | ||
sql.replace("`COUNT(*)`","COUNT(*)") | ||
return [str(s).strip(" ;") for s in sqlparse.parse(sql)] | ||
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you can you add
BasicParametersMixin
to this since using MYSQL dialecthttps://github.com/apache/superset/blob/master/superset/db_engine_specs/base.py#L2276