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26 lines
594 B
Python
26 lines
594 B
Python
"""Add unique constraint to prevent duplicate invitees for the same booking
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Revision ID: 0003_add_invitee_unique_constraint
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Revises: 0002_add_booking_exclusion_constraint
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Create Date: 2025-08-26
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"""
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from alembic import op
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# revision identifiers, used by Alembic.
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revision = "0003"
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down_revision = "0002"
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branch_labels = None
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depends_on = None
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def upgrade() -> None:
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op.create_unique_constraint(
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"uq_invitees_booking_user", "invitees", ["booking_id", "user_email"]
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)
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def downgrade() -> None:
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op.drop_constraint("uq_invitees_booking_user", "invitees", type_="unique")
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