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add migration (#14446)
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villebro authored May 3, 2021
1 parent bbb1f2d commit 2f9efb2
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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.
"""migrate native filters to new schema
Revision ID: f1410ed7ec95
Revises: d416d0d715cc
Create Date: 2021-04-29 15:32:21.939018
"""

# revision identifiers, used by Alembic.
revision = "f1410ed7ec95"
down_revision = "d416d0d715cc"

import json
from typing import Any, Dict, Iterable, Tuple

from alembic import op
from sqlalchemy import Column, Integer, Text
from sqlalchemy.ext.declarative import declarative_base

from superset import db

Base = declarative_base()


class Dashboard(Base):
"""Declarative class to do query in upgrade"""

__tablename__ = "dashboards"
id = Column(Integer, primary_key=True)
json_metadata = Column(Text)


def upgrade_filters(native_filters: Iterable[Dict[str, Any]]) -> int:
"""
Move `defaultValue` into `defaultDataMask.filterState`
"""
changed_filters = 0
for native_filter in native_filters:
default_value = native_filter.pop("defaultValue", None)
if default_value is not None:
changed_filters += 1
default_data_mask = {}
default_data_mask["filterState"] = {"value": default_value}
native_filter["defaultDataMask"] = default_data_mask
return changed_filters


def downgrade_filters(native_filters: Iterable[Dict[str, Any]]) -> int:
"""
Move `defaultDataMask.filterState` into `defaultValue`
"""
changed_filters = 0
for native_filter in native_filters:
default_data_mask = native_filter.pop("defaultDataMask", {})
filter_state = default_data_mask.get("filterState")
if filter_state is not None:
changed_filters += 1
value = filter_state["value"]
native_filter["defaultValue"] = value
return changed_filters


def upgrade_dashboard(dashboard: Dict[str, Any]) -> Tuple[int, int]:
changed_filters, changed_filter_sets = 0, 0
# upgrade native select filter metadata
# upgrade native select filter metadata
native_filters = dashboard.get("native_filter_configuration")
if native_filters:
changed_filters += upgrade_filters(native_filters)

# upgrade filter sets
filter_sets = dashboard.get("filter_sets_configuration", [])
for filter_set in filter_sets:
if upgrade_filters(filter_set.get("nativeFilters", {}).values()):
changed_filter_sets += 1
return changed_filters, changed_filter_sets


def upgrade():
bind = op.get_bind()
session = db.Session(bind=bind)

dashboards = (
session.query(Dashboard)
.filter(Dashboard.json_metadata.like('%"native_filter_configuration"%'))
.all()
)
changed_filters, changed_filter_sets = 0, 0
for dashboard in dashboards:
try:
json_metadata = json.loads(dashboard.json_metadata)
dashboard.json_metadata = json.dumps(json_metadata, sort_keys=True)

upgrades = upgrade_dashboard(json_metadata)
changed_filters += upgrades[0]
changed_filter_sets += upgrades[1]
dashboard.json_metadata = json.dumps(json_metadata, sort_keys=True)
except Exception as e:
print(f"Parsing json_metadata for dashboard {dashboard.id} failed.")
raise e

session.commit()
session.close()
print(f"Upgraded {changed_filters} filters and {changed_filter_sets} filter sets.")


def downgrade_dashboard(dashboard: Dict[str, Any]) -> Tuple[int, int]:
changed_filters, changed_filter_sets = 0, 0
# upgrade native select filter metadata
native_filters = dashboard.get("native_filter_configuration")
if native_filters:
changed_filters += downgrade_filters(native_filters)

# upgrade filter sets
filter_sets = dashboard.get("filter_sets_configuration", [])
for filter_set in filter_sets:
if downgrade_filters(filter_set.get("nativeFilters", {}).values()):
changed_filter_sets += 1
return changed_filters, changed_filter_sets


def downgrade():
bind = op.get_bind()
session = db.Session(bind=bind)

dashboards = (
session.query(Dashboard)
.filter(Dashboard.json_metadata.like('%"native_filter_configuration"%'))
.all()
)
changed_filters, changed_filter_sets = 0, 0
for dashboard in dashboards:
try:
json_metadata = json.loads(dashboard.json_metadata)
downgrades = downgrade_dashboard(json_metadata)
changed_filters += downgrades[0]
changed_filter_sets += downgrades[1]
dashboard.json_metadata = json.dumps(json_metadata, sort_keys=True)
except Exception as e:
print(f"Parsing json_metadata for dashboard {dashboard.id} failed.")
raise e

session.commit()
session.close()
print(
f"Downgraded {changed_filters} filters and {changed_filter_sets} filter sets."
)
89 changes: 89 additions & 0 deletions tests/migrations/f1410ed7ec95_tests.py
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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 copy import deepcopy

from superset.migrations.versions.f1410ed7ec95_migrate_native_filters_to_new_schema import (
downgrade_dashboard,
upgrade_dashboard,
)

dashboard_v1 = {
"native_filter_configuration": [
{
"filterType": "filter_select",
"cascadingFilters": True,
"defaultValue": ["Albania", "Algeria"],
},
],
"filter_sets_configuration": [
{
"nativeFilters": {
"FILTER": {
"filterType": "filter_select",
"cascadingFilters": True,
"defaultValue": ["Albania", "Algeria"],
},
},
},
],
}


dashboard_v2 = {
"native_filter_configuration": [
{
"filterType": "filter_select",
"cascadingFilters": True,
"defaultDataMask": {"filterState": {"value": ["Albania", "Algeria"],},},
}
],
"filter_sets_configuration": [
{
"nativeFilters": {
"FILTER": {
"filterType": "filter_select",
"cascadingFilters": True,
"defaultDataMask": {
"filterState": {"value": ["Albania", "Algeria"],},
},
},
},
},
],
}


def test_upgrade_dashboard():
"""
ensure that dashboard upgrade operation produces a correct dashboard object
"""
converted_dashboard = deepcopy(dashboard_v1)
filters, filter_sets = upgrade_dashboard(converted_dashboard)
assert filters == 1
assert filter_sets == 1
assert dashboard_v2 == converted_dashboard


def test_downgrade_dashboard():
"""
ensure that dashboard downgrade operation produces a correct dashboard object
"""
converted_dashboard = deepcopy(dashboard_v2)
filters, filter_sets = downgrade_dashboard(converted_dashboard)
assert filters == 1
assert filter_sets == 1
assert dashboard_v1 == converted_dashboard

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