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Add UNIQUE(custom_subdomain, platform_id) on store_platforms to prevent two stores from claiming the same subdomain on the same platform. Add UNIQUE(store_id, platform_id) on store_domains to enforce one custom domain per store per platform. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
34 lines
995 B
Python
34 lines
995 B
Python
"""add unique constraints for custom_subdomain and store domain per platform
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Revision ID: z_unique_subdomain_domain
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Revises: a44f4956cfb1
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Create Date: 2026-02-26
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"""
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from alembic import op
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revision = "z_unique_subdomain_domain"
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down_revision = ("a44f4956cfb1", "tenancy_003")
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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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# StorePlatform: same custom_subdomain cannot be claimed twice on the same platform
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op.create_unique_constraint(
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"uq_custom_subdomain_platform",
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"store_platforms",
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["custom_subdomain", "platform_id"],
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)
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# StoreDomain: a store can have at most one custom domain per platform
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op.create_unique_constraint(
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"uq_store_domain_platform",
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"store_domains",
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["store_id", "platform_id"],
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)
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def downgrade() -> None:
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op.drop_constraint("uq_store_domain_platform", "store_domains", type_="unique")
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op.drop_constraint("uq_custom_subdomain_platform", "store_platforms", type_="unique")
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