Добавление количества страниц книгам

migrations/versions/c5dfc16bdc66_book_page_count.py

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+"""Book page_count
+
+Revision ID: c5dfc16bdc66
+Revises: a585fd97b88c
+Create Date: 2026-01-23 00:09:14.192263
+
+"""
+
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+import sqlmodel
+
+
+# revision identifiers, used by Alembic.
+revision: str = "c5dfc16bdc66"
+down_revision: Union[str, None] = "a585fd97b88c"
+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("page_count", sa.Integer(), nullable=False))
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column("book", "page_count")
+    # ### end Alembic commands ###