"""remove unique constraints

Revision ID: 02c89ec39f85
Revises: 2450600b8eaf
Create Date: 2022-10-22 17:13:41.104431

"""
from alembic import op
from sqlalchemy.sql import text


# revision identifiers, used by Alembic.
revision = '02c89ec39f85'
down_revision = '2450600b8eaf'
branch_labels = None
depends_on = None


def upgrade() -> None:
    conn = op.get_bind()

    remove_unique_constraints = """
    ALTER TABLE projects
    DROP CONSTRAINT projects_tag_key,
    DROP CONSTRAINT projects_category_key
    """
    conn.execute(text(remove_unique_constraints))


def downgrade() -> None:
    conn = op.get_bind()

    add_unique_constraints = """
    ALTER TABLE projects
    ADD CONSTRAINT projects_tag_key UNIQUE (tag),
    ADD CONSTRAINT projects_category_key UNIQUE (category)
    """
    conn.execute(text(add_unique_constraints))