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27 lines
628 B
Python
27 lines
628 B
Python
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"""empty message
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Revision ID: 0020_email_has_subject
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Revises: 0019_unique_servicename
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Create Date: 2016-02-18 11:45:29.102891
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"""
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# revision identifiers, used by Alembic.
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revision = '0020_email_has_subject'
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down_revision = '0019_unique_servicename'
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from alembic import op
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import sqlalchemy as sa
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def upgrade():
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op.create_check_constraint(
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"ch_email_template_has_subject",
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"templates",
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"((template_type='email' and subject is not null) or (template_type!='email' and subject is null))"
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)
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def downgrade():
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op.drop_constraint('ch_email_template_has_subject', 'templates', type_='check')
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