How do I execute inserts and updates in an Alembic upgrade script?

Question

I need to alter data during an Alembic upgrade.

I currently have a \'players\' table in a first revision:

def upgrade():
    op.create_table(\'player         


        

Answer 1

You can also use direct SQL see (Alembic Operation Reference) as in the following example:

from alembic import op

# revision identifiers, used by Alembic.
revision = '1ce7873ac4ced2'
down_revision = '1cea0ac4ced2'
branch_labels = None
depends_on = None


def upgrade():
    # ### commands made by andrew ###
    op.execute('UPDATE STOCK SET IN_STOCK = -1 WHERE IN_STOCK IS NULL')
    # ### end Alembic commands ###


def downgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    pass
    # ### end Alembic commands ###