superset 2020-03-25_10-42_f9a30386bd74_cleanup_time_grainularity 源码

  • 2022-10-20
  • 浏览 (172)

superset 2020-03-25_10-42_f9a30386bd74_cleanup_time_grainularity 代码

文件路径:/superset/migrations/versions/2020-03-25_10-42_f9a30386bd74_cleanup_time_grainularity.py

# 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.
"""cleanup_time_grainularity

Revision ID: f9a30386bd74
Revises: b5998378c225
Create Date: 2020-03-25 10:42:11.047328

"""

# revision identifiers, used by Alembic.
revision = "f9a30386bd74"
down_revision = "b5998378c225"

import json

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

from superset import db

Base = declarative_base()


class Slice(Base):
    __tablename__ = "slices"

    id = Column(Integer, primary_key=True)
    params = Column(Text)
    viz_type = Column(String(250))


def upgrade():
    """
    Remove any erroneous time grainularity fields from slices foor those visualization
    types which do not support time granularity.

    :see: https://github.com/apache/superset/pull/8674
    :see: https://github.com/apache/superset/pull/8764
    :see: https://github.com/apache/superset/pull/8800
    :see: https://github.com/apache/superset/pull/8825
    """

    bind = op.get_bind()
    session = db.Session(bind=bind)

    # Visualization types which support time grainularity (hence negate).
    viz_types = [
        "area",
        "bar",
        "big_number",
        "compare",
        "dual_line",
        "line",
        "pivot_table",
        "table",
        "time_pivot",
        "time_table",
    ]

    # Erroneous time grainularity fields for either Druid NoSQL or SQL slices which do
    # not support time grainularity.
    erroneous = ["grainularity", "time_grain_sqla"]

    for slc in session.query(Slice).filter(Slice.viz_type.notin_(viz_types)).all():
        try:
            params = json.loads(slc.params)

            if any(field in params for field in erroneous):
                for field in erroneous:
                    if field in params:
                        del params[field]

                slc.params = json.dumps(params, sort_keys=True)
        except Exception:
            pass

    session.commit()
    session.close()


def downgrade():
    pass

相关信息

superset 源码目录

相关文章

superset 2015-09-21_17-30_4e6a06bad7a8_init 源码

superset 2015-10-05_10-325a7bad26f2a7 源码

superset 2015-10-05_22-111e2841a4128 源码

superset 2015-10-19_20-54_2929af7925ed_tz_offsets_in_data_sources 源码

superset 2015-11-21_11-18_289ce07647b_add_encrypted_password_field 源码

superset 2015-12-04_09-42_1a48a5411020_adding_slug_to_dash 源码

superset 2015-12-04_11-16_315b3f4da9b0_adding_log_model 源码

superset 2015-12-13_08-38_55179c7f25c7_sqla_descr 源码

superset 2015-12-14_13-37_12d55656cbca_is_featured 源码

superset 2015-12-15_17-02_2591d77e9831_user_id 源码

0  赞