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30 lines
822 B
Python
30 lines
822 B
Python
"""empty message
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Revision ID: 838081950f27
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Revises: 86512692b770
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Create Date: 2020-07-12 01:33:19.499459
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"""
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from alembic import op
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from sqlalchemy import text
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# revision identifiers, used by Alembic.
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revision = '838081950f27'
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down_revision = '86512692b770'
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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.execute(text("""
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DELETE FROM provides AS t USING meta_package AS m WHERE t.metapackage_id = m.id AND NOT (m.name ~* '^[a-z0-9_]+$');
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DELETE FROM dependency AS t USING meta_package AS m WHERE t.meta_package_id = m.id AND NOT (m.name ~* '^[a-z0-9_]+$');
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DELETE FROM meta_package WHERE NOT (name ~* '^[a-z0-9_]+$');
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"""))
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op.create_check_constraint("mp_name_valid", "meta_package", "name ~* '^[a-z0-9_]+$'")
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def downgrade():
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op.drop_constraint("mp_name_valid", "meta_package", type_="check")
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