text: # 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.
  import json
  
  import pandas as pd
  from sqlalchemy import String, Text
  
  from superset import db
  from superset.utils import core as utils
  from .helpers import TBL, get_example_data
  
  
  def load_paris_iris_geojson():
      tbl_name = 'paris_iris_mapping'
  
      data = get_example_data('paris_iris.json.gz')
      df = pd.read_json(data)
      df['features'] = df.features.map(json.dumps)
  
      df.to_sql(
          tbl_name,
          db.engine,
          if_exists='replace',
          chunksize=500,
          dtype={
              'color': String(255),
              'name': String(255),
              'features': Text,
              'type': Text,
          },
          index=False)
      print('Creating table {} reference'.format(tbl_name))
      tbl = db.session.query(TBL).filter_by(table_name=tbl_name).first()
      if not tbl:
          tbl = TBL(table_name=tbl_name)
      tbl.description = 'Map of Paris'
      tbl.database = utils.get_or_create_main_db()
      db.session.merge(tbl)
      db.session.commit()
      tbl.fetch_metadata()
  