Remove fire zone shape

api/alembic/versions/8e85e2b291a9_remove_zone_shapes.py

@@ -0,0 +1,44 @@
+"""remove zone shapes
+
+Revision ID: 8e85e2b291a9
+Revises: d5115b761e39
+Create Date: 2023-11-03 14:10:44.782737
+
+"""
+from alembic import op
+import sqlalchemy as sa
+import geoalchemy2
+from sqlalchemy.orm.session import Session
+
+# revision identifiers, used by Alembic.
+revision = '8e85e2b291a9'
+down_revision = 'd5115b761e39'
+branch_labels = None
+depends_on = None
+
+shape_type_table = sa.Table('advisory_shape_types', sa.MetaData(),
+                            sa.Column('id', sa.Integer),
+                            sa.Column('name', sa.String))
+
+shape_table = sa.Table('advisory_shapes', sa.MetaData(),
+                       sa.Column('id', sa.Integer),
+                       sa.Column('source_identifier', sa.String),
+                       sa.Column('shape_type', sa.Integer),
+                       sa.Column('geom', geoalchemy2.Geometry))
+
+
+def upgrade():
+    # ### commands auto generated by Alembic ###
+    session = Session(bind=op.get_bind())
+
+    statement = shape_type_table.select().where(shape_type_table.c.name == 'fire_zone')
+    result = session.execute(statement).fetchone()
+    fire_zone_id = result.id
+    session.execute(shape_table.delete().where(shape_table.c.shape_type == fire_zone_id))
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic ###
+    pass # reimport fire zones in seperate migration if needed
+    # ### end Alembic commands ###