"""namespace claims

Registry namespace ownership (section 20.1). Descriptive on a filesystem
registry, which cannot authenticate a publisher; enforced here, which can —
though only as strongly as the identity behind it.

Revision ID: 0002
Revises: 0001
"""
from alembic import op
import sqlalchemy as sa

BigIntPK = sa.BigInteger().with_variant(sa.Integer, "sqlite")

revision = '0002'
down_revision = '0001'
branch_labels = None
depends_on = None


def upgrade() -> None:
    # ### commands auto generated by Alembic - please adjust! ###
    op.create_table('namespace_claims',
    sa.Column('id', sa.BigInteger().with_variant(sa.Integer(), 'sqlite'), autoincrement=True, nullable=False),
    sa.Column('tenant', sa.String(length=64), nullable=False),
    sa.Column('registry', sa.String(length=128), nullable=False),
    sa.Column('namespace', sa.String(length=256), nullable=False),
    sa.Column('policy', sa.String(length=16), nullable=False),
    sa.Column('owner', sa.String(length=256), nullable=True),
    sa.PrimaryKeyConstraint('id'),
    sa.UniqueConstraint('tenant', 'registry', 'namespace', name='uq_namespace_claim')
    )
    # ### end Alembic commands ###


def downgrade() -> None:
    # ### commands auto generated by Alembic - please adjust! ###
    op.drop_table('namespace_claims')
    # ### end Alembic commands ###