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39 lines
1013 B
Python
39 lines
1013 B
Python
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"""empty message
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Revision ID: c141a63b2487
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Revises: cb6ab141c522
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Create Date: 2020-07-09 00:05:39.845465
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"""
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from alembic import op
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import sqlalchemy as sa
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from sqlalchemy import orm, func
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from app.models import Package, PackageRelease
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# revision identifiers, used by Alembic.
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revision = 'c141a63b2487'
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down_revision = 'cb6ab141c522'
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branch_labels = None
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depends_on = None
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def upgrade():
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op.add_column('package', sa.Column('downloads', sa.Integer(), nullable=False, server_default="0"))
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bind = op.get_bind()
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session = orm.Session(bind=bind)
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for package in session.query(Package).all():
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downloads_result = session.query(func.sum(PackageRelease.downloads)).filter_by(package_id=package.id).one_or_none()
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downloads = 0 if not downloads_result or not downloads_result[0] else downloads_result[0]
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package.downloads = downloads
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session.commit()
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def downgrade():
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# ### commands auto generated by Alembic - please adjust! ###
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op.drop_column('package', 'downloads')
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# ### end Alembic commands ###
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