add is_main to Move

migrations/versions/16c70b11242e_.py

@@ -0,0 +1,28 @@
+"""empty message
+
+Revision ID: 16c70b11242e
+Revises: 9519d28f13f0
+Create Date: 2019-10-02 14:50:27.180692
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '16c70b11242e'
+down_revision = '9519d28f13f0'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('moves', sa.Column('is_main', sa.Boolean(), nullable=False))
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column('moves', 'is_main')
+    # ### end Alembic commands ###

models/Move.py

@@ -14,6 +14,7 @@ class Move(db.Model):
     x_point = db.Column(db.Integer)
     y_point = db.Column(db.Integer)
     move_number = db.Column(db.Integer)
+    is_main = db.Column(db.Boolean(), nullable=False, default=True)
 
     # foreign keys
     game = db.Column(db.Integer, db.ForeignKey("games.id"), nullable=False)