| # 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 pandas as pd |
| from sqlalchemy import DateTime, String |
| |
| from superset import db |
| from superset.models.slice import Slice |
| from superset.utils import core as utils |
| |
| from .helpers import config, get_example_data, get_slice_json, merge_slice, TBL |
| |
| |
| def load_random_time_series_data( |
| only_metadata: bool = False, force: bool = False |
| ) -> None: |
| """Loading random time series data from a zip file in the repo""" |
| tbl_name = "random_time_series" |
| database = utils.get_example_database() |
| table_exists = database.has_table_by_name(tbl_name) |
| |
| if not only_metadata and (not table_exists or force): |
| data = get_example_data("random_time_series.json.gz") |
| pdf = pd.read_json(data) |
| if database.backend == "presto": |
| pdf.ds = pd.to_datetime(pdf.ds, unit="s") |
| pdf.ds = pdf.ds.dt.strftime("%Y-%m-%d %H:%M%:%S") |
| else: |
| pdf.ds = pd.to_datetime(pdf.ds, unit="s") |
| |
| pdf.to_sql( |
| tbl_name, |
| database.get_sqla_engine(), |
| if_exists="replace", |
| chunksize=500, |
| dtype={"ds": DateTime if database.backend != "presto" else String(255)}, |
| index=False, |
| ) |
| print("Done loading table!") |
| print("-" * 80) |
| |
| print(f"Creating table [{tbl_name}] reference") |
| obj = db.session.query(TBL).filter_by(table_name=tbl_name).first() |
| if not obj: |
| obj = TBL(table_name=tbl_name) |
| obj.main_dttm_col = "ds" |
| obj.database = database |
| db.session.merge(obj) |
| db.session.commit() |
| obj.fetch_metadata() |
| tbl = obj |
| |
| slice_data = { |
| "granularity_sqla": "day", |
| "row_limit": config["ROW_LIMIT"], |
| "since": "2019-01-01", |
| "until": "2019-02-01", |
| "metric": "count", |
| "viz_type": "cal_heatmap", |
| "domain_granularity": "month", |
| "subdomain_granularity": "day", |
| } |
| |
| print("Creating a slice") |
| slc = Slice( |
| slice_name="Calendar Heatmap", |
| viz_type="cal_heatmap", |
| datasource_type="table", |
| datasource_id=tbl.id, |
| params=get_slice_json(slice_data), |
| ) |
| merge_slice(slc) |