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50 lines
1.7 KiB
50 lines
1.7 KiB
"""Added the 'image' tables.
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Revision ID: 23e928dda837
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Revises: 1ee62841eb90
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Create Date: 2019-12-17 07:15:55.472022
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"""
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from alembic import op
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import sqlalchemy as sa
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# revision identifiers, used by Alembic.
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revision = '23e928dda837'
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down_revision = '1ee62841eb90'
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branch_labels = None
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depends_on = None
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def upgrade():
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# ### commands auto generated by Alembic - please adjust! ###
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op.create_table('publisher_image',
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sa.Column('publ_id', sa.Integer(), nullable=False),
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sa.Column('image_filename', sa.String(length=500), nullable=False),
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sa.Column('image_data', sa.LargeBinary(), nullable=False),
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sa.ForeignKeyConstraint(['publ_id'], ['publisher.publ_id'], ondelete='CASCADE'),
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sa.PrimaryKeyConstraint('publ_id')
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)
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op.create_table('publication_image',
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sa.Column('pub_id', sa.Integer(), nullable=False),
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sa.Column('image_filename', sa.String(length=500), nullable=False),
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sa.Column('image_data', sa.LargeBinary(), nullable=False),
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sa.ForeignKeyConstraint(['pub_id'], ['publication.pub_id'], ondelete='CASCADE'),
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sa.PrimaryKeyConstraint('pub_id')
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)
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op.create_table('article_image',
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sa.Column('article_id', sa.Integer(), nullable=False),
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sa.Column('image_filename', sa.String(length=500), nullable=False),
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sa.Column('image_data', sa.LargeBinary(), nullable=False),
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sa.ForeignKeyConstraint(['article_id'], ['article.article_id'], ondelete='CASCADE'),
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sa.PrimaryKeyConstraint('article_id')
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)
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# ### end Alembic commands ###
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def downgrade():
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# ### commands auto generated by Alembic - please adjust! ###
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op.drop_table('article_image')
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op.drop_table('publication_image')
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op.drop_table('publisher_image')
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# ### end Alembic commands ###
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