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constants.py
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# Copyright 2023 Google LLC
#
# Licensed 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.
"""Constants used across BigQuery DataFrames.
This module should not depend on any others in the package.
"""
import datetime
DEFAULT_EXPIRATION = datetime.timedelta(days=7)
# https://cloud.google.com/bigquery/docs/locations
BIGQUERY_REGIONS = frozenset(
{
"us-east5",
"us-south1",
"us-central1",
"us-west4",
"us-west2",
"northamerica-northeast1",
"us-east4",
"us-west1",
"us-west3",
"southamerica-east1",
"southamerica-west1",
"us-east1",
"northamerica-northeast2",
"asia-south2",
"asia-east2",
"asia-southeast2",
"australia-southeast2",
"asia-south1",
"asia-northeast2",
"asia-northeast3",
"asia-southeast1",
"australia-southeast1",
"asia-east1",
"asia-northeast1",
"europe-west1",
"europe-west10",
"europe-north1",
"europe-west3",
"europe-west2",
"europe-southwest1",
"europe-west8",
"europe-west4",
"europe-west9",
"europe-west12",
"europe-central2",
"europe-west6",
"me-central2",
"me-central1",
"me-west1",
"me-central2",
"me-central1",
"me-west1",
"africa-south1",
}
)
BIGQUERY_MULTIREGIONS = frozenset(
{
"US",
"EU",
}
)
ALL_BIGQUERY_LOCATIONS = frozenset(BIGQUERY_REGIONS.union(BIGQUERY_MULTIREGIONS))
# https://cloud.google.com/storage/docs/regional-endpoints
REP_ENABLED_BIGQUERY_LOCATIONS = frozenset(
{
"europe-west3",
"europe-west9",
"europe-west8",
"me-central2",
"us-east4",
"us-west1",
}
)
# https://cloud.google.com/storage/docs/locational-endpoints
LEP_ENABLED_BIGQUERY_LOCATIONS = frozenset(
ALL_BIGQUERY_LOCATIONS - REP_ENABLED_BIGQUERY_LOCATIONS
)
# BigQuery default is 10000, leave 100 for overhead
MAX_COLUMNS = 9900
SUGGEST_PEEK_PREVIEW = "Use .peek(n) to preview n arbitrary rows."