migrations: add initial base schema; archive legacy migrations

alembic/legacy_versions/8be4811023d8_add_display_name_to_user.py

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+"""add_display_name_to_user
+
+Revision ID: 8be4811023d8
+Revises: 0df481ee920b
+Create Date: 2025-07-19 19:46:01.129412
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+import sqlmodel
+
+
+# revision identifiers, used by Alembic.
+revision: str = '8be4811023d8'
+down_revision: Union[str, Sequence[str], None] = '0df481ee920b'
+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_constraint(op.f('dbsession_user_id_fkey'), 'dbsession', type_='foreignkey')
+    op.create_foreign_key(None, 'dbsession', 'user', ['user_id'], ['username'])
+    op.alter_column('publicstream', 'storage_bytes',
+               existing_type=sa.INTEGER(),
+               nullable=False,
+               existing_server_default=sa.text('0'))
+    op.create_index(op.f('ix_publicstream_username'), 'publicstream', ['username'], unique=False)
+    op.drop_column('publicstream', 'size')
+    op.add_column('user', sa.Column('display_name', sqlmodel.sql.sqltypes.AutoString(), nullable=True))
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column('user', 'display_name')
+    op.add_column('publicstream', sa.Column('size', sa.INTEGER(), autoincrement=False, nullable=False))
+    op.drop_index(op.f('ix_publicstream_username'), table_name='publicstream')
+    op.alter_column('publicstream', 'storage_bytes',
+               existing_type=sa.INTEGER(),
+               nullable=True,
+               existing_server_default=sa.text('0'))
+    op.drop_constraint(None, 'dbsession', type_='foreignkey')
+    op.create_foreign_key(op.f('dbsession_user_id_fkey'), 'dbsession', 'user', ['user_id'], ['username'], ondelete='CASCADE')
+    # ### end Alembic commands ###