изображение книги

migrations/versions/abbc38275032_book_preview.py

@@ -0,0 +1,33 @@
+"""Book preview
+
+Revision ID: abbc38275032
+Revises: 6c616cc9d1f0
+Create Date: 2026-02-01 14:41:14.611420
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+import sqlmodel, pgvector
+
+
+# revision identifiers, used by Alembic.
+revision: str = 'abbc38275032'
+down_revision: Union[str, None] = '6c616cc9d1f0'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('book', sa.Column('preview_id', sa.Uuid(), nullable=True))
+    op.create_index(op.f('ix_book_preview_id'), 'book', ['preview_id'], unique=True)
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_index(op.f('ix_book_preview_id'), table_name='book')
+    op.drop_column('book', 'preview_id')
+    # ### end Alembic commands ###