superset/migrations/versions/2023-03-17_13-24_b5ea9d343307_bar_chart_stack_options.py
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"""bar_chart_stack_options
Revision ID: b5ea9d343307
Revises: d0ac08bb5b83
Create Date: 2023-03-17 13:24:54.662754
"""
# revision identifiers, used by Alembic.
revision = "b5ea9d343307"
down_revision = "d0ac08bb5b83"
from alembic import op # noqa: E402
from sqlalchemy import Column, Integer, String, Text # noqa: E402
from sqlalchemy.ext.declarative import declarative_base # noqa: E402
from superset import db # noqa: E402
from superset.utils import json # noqa: E402
Base = declarative_base()
CHART_TYPE = "%echarts_timeseries%"
class Slice(Base):
"""Declarative class to do query in upgrade"""
__tablename__ = "slices"
id = Column(Integer, primary_key=True)
viz_type = Column(String(250))
params = Column(Text)
def upgrade():
bind = op.get_bind()
session = db.Session(bind=bind)
slices = session.query(Slice).filter(Slice.viz_type.like(CHART_TYPE)).all()
for slc in slices:
try:
params = json.loads(slc.params)
stack = params.get("stack", None)
if stack:
params["stack"] = "Stack"
else:
params["stack"] = None
slc.params = json.dumps(params, sort_keys=True)
except Exception as e:
print(e)
print(f"Parsing params for slice {slc.id} failed.")
pass
session.commit()
session.close()
def downgrade():
bind = op.get_bind()
session = db.Session(bind=bind)
slices = session.query(Slice).filter(Slice.viz_type.like(CHART_TYPE)).all()
for slc in slices:
try:
params = json.loads(slc.params)
stack = params.get("stack", None)
if stack == "Stack" or stack == "Stream":
params["stack"] = True
else:
params["stack"] = False
slc.params = json.dumps(params, sort_keys=True)
except Exception as e:
print(e)
print(f"Parsing params for slice {slc.id} failed.")
pass
session.commit()
session.close()