feat: alembic migration added

backend/alembic/versions/a3ac646e53a8_init.py

@@ -0,0 +1,41 @@
+"""init
+
+Revision ID: a3ac646e53a8
+Revises: 
+Create Date: 2025-06-04 21:36:22.283823
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = 'a3ac646e53a8'
+down_revision: Union[str, None] = None
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    """Upgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_index(op.f('ix_items_id'), table_name='items')
+    op.drop_index(op.f('ix_items_name'), table_name='items')
+    op.drop_table('items')
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('items',
+    sa.Column('id', sa.INTEGER(), autoincrement=True, nullable=False),
+    sa.Column('name', sa.VARCHAR(), autoincrement=False, nullable=True),
+    sa.Column('description', sa.VARCHAR(), autoincrement=False, nullable=True),
+    sa.PrimaryKeyConstraint('id', name=op.f('items_pkey'))
+    )
+    op.create_index(op.f('ix_items_name'), 'items', ['name'], unique=False)
+    op.create_index(op.f('ix_items_id'), 'items', ['id'], unique=False)
+    # ### end Alembic commands ###