mirror of
https://github.com/DarkflameUniverse/NexusDashboard.git
synced 2024-11-13 21:38:20 +00:00
57 lines
1.5 KiB
Python
57 lines
1.5 KiB
Python
"""property performance index
|
|
|
|
Revision ID: fa97b0d0c351
|
|
Revises: b470795db8e1
|
|
Create Date: 2022-03-31 10:38:06.367277
|
|
|
|
"""
|
|
from alembic import op
|
|
import sqlalchemy as sa
|
|
from sqlalchemy.dialects import mysql
|
|
from sqlalchemy import engine_from_config
|
|
from sqlalchemy.engine import reflection
|
|
|
|
# revision identifiers, used by Alembic.
|
|
revision = 'fa97b0d0c351'
|
|
down_revision = 'b470795db8e1'
|
|
branch_labels = None
|
|
depends_on = None
|
|
|
|
|
|
def upgrade():
|
|
# ### commands auto generated by Alembic - please adjust! ###
|
|
if not _table_has_column('properties', 'performance_cost'):
|
|
op.add_column(
|
|
'properties',
|
|
sa.Column(
|
|
'performance_cost',
|
|
mysql.DOUBLE(
|
|
precision=20,
|
|
scale=15,
|
|
asdecimal=False
|
|
),
|
|
server_default='0.0',
|
|
nullable=True
|
|
)
|
|
)
|
|
# ### end Alembic commands ###
|
|
|
|
|
|
def downgrade():
|
|
# ### commands auto generated by Alembic - please adjust! ###
|
|
op.drop_column('properties', 'performance_cost')
|
|
# ### end Alembic commands ###
|
|
|
|
|
|
def _table_has_column(table, column):
|
|
config = op.get_context().config
|
|
engine = engine_from_config(
|
|
config.get_section(config.config_ini_section), prefix='sqlalchemy.')
|
|
insp = reflection.Inspector.from_engine(engine)
|
|
has_column = False
|
|
for col in insp.get_columns(table):
|
|
if column not in col['name']:
|
|
continue
|
|
has_column = True
|
|
return has_column
|