194 lines
11 KiB
SQL
194 lines
11 KiB
SQL
-- Every table, column, enum type, index and constraint goes from quoted
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-- camelCase to unquoted snake_case.
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--
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-- The camelCase came from Prisma, which generated the original schema. 0001
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-- kept it deliberately ("the cost of keeping them is zero"), and that turned
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-- out to be wrong: the cost is that every identifier in every query must stay
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-- quoted forever, and any unquoted one folds to lowercase and fails at run
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-- time instead of at compile time. This pays that off once.
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--
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-- Tables are pluralised. That is not only taste: "User" could not become
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-- "user" because USER is a reserved word in Postgres, and naming ten tables by
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-- one rule and the eleventh by another is worse than renaming all eleven.
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--
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-- Enum VALUES are left alone. They are already uppercase ('DONATION',
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-- 'AKTIV') and they are data, not identifiers — the Go code compares against
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-- them as strings and the API sends them over the wire.
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--
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-- RENAME is a catalogue update: no table is rewritten and no row is touched,
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-- so this is instant whatever the database holds. The whole file runs in one
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-- transaction (see store.Migrate), so it either lands completely or not at all.
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-- ------------------------------------------------------------- enum types ---
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ALTER TYPE "TierType" RENAME TO tier_type;
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ALTER TYPE "CampaignStatus" RENAME TO campaign_status;
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ALTER TYPE "PledgeStatus" RENAME TO pledge_status;
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ALTER TYPE "PhysicalTierPolicy" RENAME TO physical_tier_policy;
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-- ----------------------------------------------------------------- tables ---
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ALTER TABLE "Owner" RENAME TO owners;
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ALTER TABLE "User" RENAME TO users;
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ALTER TABLE "Session" RENAME TO sessions;
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ALTER TABLE "Verification" RENAME TO verifications;
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ALTER TABLE "Campaign" RENAME TO campaigns;
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ALTER TABLE "StorySection" RENAME TO story_sections;
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ALTER TABLE "RewardTier" RENAME TO reward_tiers;
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ALTER TABLE "Pledge" RENAME TO pledges;
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ALTER TABLE "ShippingAddress" RENAME TO shipping_addresses;
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ALTER TABLE "CampaignUpdate" RENAME TO campaign_updates;
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ALTER TABLE "Comment" RENAME TO comments;
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-- ---------------------------------------------------------------- columns ---
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-- Only the mixed-case ones: id, slug, title and the rest are already lowercase
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-- and renaming a column to its own name is an error.
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ALTER TABLE owners RENAME COLUMN "stripeAccountId" TO stripe_account_id;
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ALTER TABLE owners RENAME COLUMN "createdAt" TO created_at;
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ALTER TABLE owners RENAME COLUMN "avatarUrl" TO avatar_url;
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ALTER TABLE users RENAME COLUMN "emailVerified" TO email_verified;
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ALTER TABLE users RENAME COLUMN "isAdmin" TO is_admin;
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ALTER TABLE users RENAME COLUMN "createdAt" TO created_at;
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ALTER TABLE users RENAME COLUMN "updatedAt" TO updated_at;
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ALTER TABLE sessions RENAME COLUMN "expiresAt" TO expires_at;
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ALTER TABLE sessions RENAME COLUMN "ipAddress" TO ip_address;
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ALTER TABLE sessions RENAME COLUMN "userAgent" TO user_agent;
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ALTER TABLE sessions RENAME COLUMN "userId" TO user_id;
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ALTER TABLE sessions RENAME COLUMN "createdAt" TO created_at;
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ALTER TABLE sessions RENAME COLUMN "updatedAt" TO updated_at;
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ALTER TABLE verifications RENAME COLUMN "expiresAt" TO expires_at;
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ALTER TABLE verifications RENAME COLUMN "consumedAt" TO consumed_at;
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ALTER TABLE verifications RENAME COLUMN "createdAt" TO created_at;
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ALTER TABLE verifications RENAME COLUMN "updatedAt" TO updated_at;
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ALTER TABLE campaigns RENAME COLUMN "goalAmount" TO goal_amount;
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ALTER TABLE campaigns RENAME COLUMN "startsAt" TO starts_at;
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ALTER TABLE campaigns RENAME COLUMN "endsAt" TO ends_at;
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ALTER TABLE campaigns RENAME COLUMN "physicalTierPolicy" TO physical_tier_policy;
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ALTER TABLE campaigns RENAME COLUMN "ownerId" TO owner_id;
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ALTER TABLE campaigns RENAME COLUMN "createdAt" TO created_at;
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ALTER TABLE campaigns RENAME COLUMN "updatedAt" TO updated_at;
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ALTER TABLE story_sections RENAME COLUMN "campaignId" TO campaign_id;
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ALTER TABLE reward_tiers RENAME COLUMN "campaignId" TO campaign_id;
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ALTER TABLE reward_tiers RENAME COLUMN "listPrice" TO list_price;
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ALTER TABLE reward_tiers RENAME COLUMN "inventoryLimit" TO inventory_limit;
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ALTER TABLE reward_tiers RENAME COLUMN "estimatedDelivery" TO estimated_delivery;
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ALTER TABLE pledges RENAME COLUMN "campaignId" TO campaign_id;
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ALTER TABLE pledges RENAME COLUMN "tierId" TO tier_id;
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ALTER TABLE pledges RENAME COLUMN "userId" TO user_id;
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ALTER TABLE pledges RENAME COLUMN "backerEmail" TO backer_email;
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ALTER TABLE pledges RENAME COLUMN "stripePaymentIntentId" TO stripe_payment_intent_id;
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ALTER TABLE pledges RENAME COLUMN "createdAt" TO created_at;
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ALTER TABLE pledges RENAME COLUMN "capturedAt" TO captured_at;
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ALTER TABLE shipping_addresses RENAME COLUMN "pledgeId" TO pledge_id;
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ALTER TABLE shipping_addresses RENAME COLUMN "postalCode" TO postal_code;
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ALTER TABLE campaign_updates RENAME COLUMN "campaignId" TO campaign_id;
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ALTER TABLE campaign_updates RENAME COLUMN "publishedAt" TO published_at;
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ALTER TABLE comments RENAME COLUMN "campaignId" TO campaign_id;
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ALTER TABLE comments RENAME COLUMN "authorName" TO author_name;
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ALTER TABLE comments RENAME COLUMN "createdAt" TO created_at;
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-- ---------------------------------------------------------------- indexes ---
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-- campaigns_slug_key is load-bearing beyond cosmetics: store.SaveCampaign
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-- matches on the constraint name to turn a 23505 into ErrSlugTaken.
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ALTER INDEX "Owner_slug_key" RENAME TO owners_slug_key;
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ALTER INDEX "Owner_stripeAccountId_key" RENAME TO owners_stripe_account_id_key;
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ALTER INDEX "User_email_key" RENAME TO users_email_key;
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ALTER INDEX "Session_token_key" RENAME TO sessions_token_key;
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ALTER INDEX "Session_userId_idx" RENAME TO sessions_user_id_idx;
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ALTER INDEX "Verification_identifier_idx" RENAME TO verifications_identifier_idx;
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ALTER INDEX "Verification_value_key" RENAME TO verifications_value_key;
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ALTER INDEX "Campaign_slug_key" RENAME TO campaigns_slug_key;
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ALTER INDEX "Campaign_status_endsAt_idx" RENAME TO campaigns_status_ends_at_idx;
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ALTER INDEX "StorySection_campaignId_position_key" RENAME TO story_sections_campaign_id_position_key;
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ALTER INDEX "RewardTier_campaignId_position_key" RENAME TO reward_tiers_campaign_id_position_key;
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ALTER INDEX "Pledge_stripePaymentIntentId_key" RENAME TO pledges_stripe_payment_intent_id_key;
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ALTER INDEX "Pledge_campaignId_status_idx" RENAME TO pledges_campaign_id_status_idx;
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ALTER INDEX "Pledge_tierId_idx" RENAME TO pledges_tier_id_idx;
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ALTER INDEX "ShippingAddress_pledgeId_key" RENAME TO shipping_addresses_pledge_id_key;
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-- ------------------------------------------------------------ constraints ---
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-- Primary and foreign keys are named by Postgres from the table and column, so
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-- these names are written down nowhere — not in 0001, not in the Go code. Two
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-- of them still say Organization: 0003 renamed the table and the column but
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-- not the constraints that were named after them, despite its comment claiming
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-- "nothing in the schema still says Organization".
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ALTER TABLE owners RENAME CONSTRAINT "Organization_pkey" TO owners_pkey;
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ALTER TABLE users RENAME CONSTRAINT "User_pkey" TO users_pkey;
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ALTER TABLE sessions RENAME CONSTRAINT "Session_pkey" TO sessions_pkey;
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ALTER TABLE verifications RENAME CONSTRAINT "Verification_pkey" TO verifications_pkey;
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ALTER TABLE campaigns RENAME CONSTRAINT "Campaign_pkey" TO campaigns_pkey;
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ALTER TABLE story_sections RENAME CONSTRAINT "StorySection_pkey" TO story_sections_pkey;
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ALTER TABLE reward_tiers RENAME CONSTRAINT "RewardTier_pkey" TO reward_tiers_pkey;
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ALTER TABLE pledges RENAME CONSTRAINT "Pledge_pkey" TO pledges_pkey;
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ALTER TABLE shipping_addresses RENAME CONSTRAINT "ShippingAddress_pkey" TO shipping_addresses_pkey;
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ALTER TABLE campaign_updates RENAME CONSTRAINT "CampaignUpdate_pkey" TO campaign_updates_pkey;
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ALTER TABLE comments RENAME CONSTRAINT "Comment_pkey" TO comments_pkey;
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ALTER TABLE sessions RENAME CONSTRAINT "Session_userId_fkey" TO sessions_user_id_fkey;
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ALTER TABLE campaigns RENAME CONSTRAINT "Campaign_organizationId_fkey" TO campaigns_owner_id_fkey;
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ALTER TABLE story_sections RENAME CONSTRAINT "StorySection_campaignId_fkey" TO story_sections_campaign_id_fkey;
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ALTER TABLE reward_tiers RENAME CONSTRAINT "RewardTier_campaignId_fkey" TO reward_tiers_campaign_id_fkey;
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ALTER TABLE pledges RENAME CONSTRAINT "Pledge_campaignId_fkey" TO pledges_campaign_id_fkey;
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ALTER TABLE pledges RENAME CONSTRAINT "Pledge_tierId_fkey" TO pledges_tier_id_fkey;
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ALTER TABLE pledges RENAME CONSTRAINT "Pledge_userId_fkey" TO pledges_user_id_fkey;
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ALTER TABLE shipping_addresses RENAME CONSTRAINT "ShippingAddress_pledgeId_fkey" TO shipping_addresses_pledge_id_fkey;
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ALTER TABLE campaign_updates RENAME CONSTRAINT "CampaignUpdate_campaignId_fkey" TO campaign_updates_campaign_id_fkey;
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ALTER TABLE comments RENAME CONSTRAINT "Comment_campaignId_fkey" TO comments_campaign_id_fkey;
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-- ------------------------------------------------------------------ guard ---
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-- Everything above was written by reading 0001 and 0003. Anything those files
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-- do not mention — a constraint added by hand, a name Postgres generated
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-- differently than expected — would survive silently and only surface as a
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-- quoted identifier someone has to keep quoting. This looks in the catalogue
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-- instead of in the migrations and fails the transaction if it finds one.
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--
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-- lower() rather than a [A-Z] regex: character classes are collation-dependent
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-- and this is not.
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DO $$
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DECLARE
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offenders text;
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BEGIN
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SELECT string_agg(name, ', ' ORDER BY name) INTO offenders FROM (
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SELECT c.relname AS name
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FROM pg_class c
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JOIN pg_namespace n ON n.oid = c.relnamespace
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WHERE n.nspname = 'public' AND c.relname <> lower(c.relname)
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UNION ALL
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-- Tables only. An index carries its own copy of the column names it
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-- was built on, and a column rename does not update them: after this
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-- migration sessions_user_id_idx still has an attribute called
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-- "userId". Postgres offers no way to rename it and no SQL can refer
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-- to it, so it is not an identifier this migration is about.
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SELECT c.relname || '.' || a.attname
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FROM pg_attribute a
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JOIN pg_class c ON c.oid = a.attrelid
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JOIN pg_namespace n ON n.oid = c.relnamespace
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WHERE n.nspname = 'public' AND c.relkind IN ('r', 'p', 'v', 'm')
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AND a.attnum > 0 AND NOT a.attisdropped
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AND a.attname <> lower(a.attname)
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UNION ALL
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SELECT t.typname
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FROM pg_type t
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JOIN pg_namespace n ON n.oid = t.typnamespace
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WHERE n.nspname = 'public' AND t.typname <> lower(t.typname)
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UNION ALL
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SELECT con.conname
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FROM pg_constraint con
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JOIN pg_namespace n ON n.oid = con.connamespace
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WHERE n.nspname = 'public' AND con.conname <> lower(con.conname)
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) s;
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IF offenders IS NOT NULL THEN
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RAISE EXCEPTION 'snake_case migration missed: %', offenders;
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END IF;
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END $$;
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