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refactor table drop

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This commit is contained in:
Brian Cao 2022-08-01 12:22:17 -07:00
parent 8f934c7e6c
commit 7b0d6af147
4 changed files with 108 additions and 55 deletions
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61
db/postgresql/migrations/02_add_event_data/migration.sql
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@ -1,5 +1,42 @@
-- AlterTable
ALTER TABLE event RENAME TO event_old;
-- DropForeignKey
ALTER TABLE "event" DROP CONSTRAINT "event_session_id_fkey";
ALTER TABLE "event" DROP CONSTRAINT "event_website_id_fkey";
-- RenameIndex
ALTER INDEX "event_pkey" RENAME TO "event_old_pkey";
ALTER INDEX "event_created_at_idx" RENAME TO "event_old_created_at_idx";
ALTER INDEX "event_session_id_idx" RENAME TO "event_old_session_id_idx";
ALTER INDEX "event_website_id_idx" RENAME TO "event_old_website_id_idx";
-- RenameTable
ALTER TABLE "event" RENAME TO "_event_old";
-- CreateTable
CREATE TABLE "event" (
"event_id" SERIAL NOT NULL,
"website_id" INTEGER NOT NULL,
"session_id" INTEGER NOT NULL,
"created_at" TIMESTAMPTZ(6) DEFAULT CURRENT_TIMESTAMP,
"url" VARCHAR(500) NOT NULL,
"event_name" VARCHAR(50) NOT NULL,
PRIMARY KEY ("event_id")
);
-- CreateIndex
CREATE INDEX "event_created_at_idx" ON "event"("created_at");
-- CreateIndex
CREATE INDEX "event_session_id_idx" ON "event"("session_id");
-- CreateIndex
CREATE INDEX "event_website_id_idx" ON "event"("website_id");
-- AddForeignKey
ALTER TABLE "event" ADD CONSTRAINT "event_session_id_fkey" FOREIGN KEY ("session_id") REFERENCES "session"("session_id") ON DELETE CASCADE ON UPDATE CASCADE;
-- AddForeignKey
ALTER TABLE "event" ADD CONSTRAINT "event_website_id_fkey" FOREIGN KEY ("website_id") REFERENCES "website"("website_id") ON DELETE CASCADE ON UPDATE CASCADE;
-- CreateTable
CREATE TABLE "event_data" (
@ -26,22 +63,4 @@ ALTER INDEX "session.session_uuid_unique" RENAME TO "session_session_uuid_key";
ALTER INDEX "website.share_id_unique" RENAME TO "website_share_id_key";
-- RenameIndex
ALTER INDEX "website.website_uuid_unique" RENAME TO "website_website_uuid_key";
/*
Warnings:
- You are about to drop the column `event_type` on the `event` table. All the data in the column will be lost.
- You are about to drop the column `event_value` on the `event` table. All the data in the column will be lost.
*/
-- Populate event_name
update event
set "event_name" = event.event_value;
-- Set event_name not null
ALTER TABLE "event" ALTER COLUMN "event_name" SET NOT NULL;
-- Drop old columns
ALTER TABLE "event" DROP COLUMN "event_type",
DROP COLUMN "event_value";
ALTER INDEX "website.website_uuid_unique" RENAME TO "website_website_uuid_key";