removed unused column

src/alembic/versions/2022_05_21-10_25_41-15c028536ef5_won_column_removed.py

@@ -0,0 +1,31 @@
+"""won column removed
+
+Revision ID: 15c028536ef5
+Revises: 1da33402b659
+Create Date: 2022-05-21 10:25:41.647723
+
+"""
+import sqlalchemy as sa
+from alembic import op
+
+# revision identifiers, used by Alembic.
+revision = '15c028536ef5'
+down_revision = '1da33402b659'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.drop_column('giveaway', 'won')
+
+
+def downgrade():
+    # add columns as nullable as existing records don't have that column value set
+    op.add_column('giveaway', sa.Column('won', sa.Boolean(), nullable=True))
+    # set value on new columns for all records
+    with op.get_context().autocommit_block():
+        op.execute("UPDATE giveaway SET won=false WHERE won is null;")
+    # SQLite doesn't support ALTERs so alembic uses a batch mode
+    # Set columns to non-nullable now that all records have a value
+    with op.batch_alter_table('giveaway') as batch_op:
+        batch_op.alter_column('won', nullable=False)

src/bot/database.py

@@ -124,7 +124,6 @@ class GiveawayHelper:
                 copies=giveaway.copies,
                 contributor_level=giveaway.contributor_level,
                 entered=entered,
-                won=False,
                 game_entries=giveaway.game_entries)
             session.add(g)
             session.commit()
@@ -147,7 +146,6 @@ class GiveawayHelper:
                     copies=giveaway.copies,
                     contributor_level=giveaway.contributor_level,
                     entered=entered,
-                    won=False,
                     game_entries=giveaway.game_entries)
                 session.merge(g)
                 session.commit()

src/bot/models.py

@@ -42,7 +42,6 @@ class TableGiveaway(Base):
     copies = Column(Integer(), nullable=False)
     contributor_level = Column(Integer(), nullable=False)
     entered = Column(Boolean(), nullable=False)
-    won = Column(Boolean(), nullable=False)
     game_entries = Column(Integer(), nullable=False)
     created_at = Column(DateTime(timezone=True), server_default=func.now())
     updated_at = Column(DateTime(timezone=True), server_default=func.now(), onupdate=func.now())