Upload migrations/versions/c5fe90300920_add_parent_id_goto_error.py

migrations/versions/c5fe90300920_add_parent_id_goto_error.py

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+"""Add_parent_id ||  goto :error
+
+Revision ID: c5fe90300920
+Revises: c384fc30b200
+Create Date: 2026-03-09 08:05:12.958743
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = 'c5fe90300920'
+down_revision: Union[str, None] = 'c384fc30b200'
+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! ###
+    with op.batch_alter_table('categories', schema=None) as batch_op:
+        batch_op.add_column(sa.Column('parent_id', sa.Integer(), nullable=True))
+        batch_op.create_foreign_key('fk_categories_parent_id_categories', 'categories', ['parent_id'], ['id'])
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_constraint(None, 'categories', type_='foreignkey')
+    op.drop_column('categories', 'parent_id')
+    # ### end Alembic commands ###
+    # ### end Alembic commands ###