New db architecture migration.

Author: digitalnomad91

prisma/migrations/20250702055941_new_jobs_architecture/migration.sql

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+-- CreateTable
+CREATE TABLE "jobs" (
+    "id" SERIAL NOT NULL,
+    "title" TEXT NOT NULL,
+    "company_id" INTEGER,
+    "author" TEXT,
+    "location" TEXT,
+    "url" TEXT NOT NULL,
+    "posted_at" TIMESTAMP(3),
+    "description" TEXT,
+    "is_remote" BOOLEAN,
+    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updated_at" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "jobs_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "companies" (
+    "id" SERIAL NOT NULL,
+    "name" TEXT NOT NULL,
+    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+    CONSTRAINT "companies_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "tags" (
+    "id" SERIAL NOT NULL,
+    "name" TEXT NOT NULL,
+
+    CONSTRAINT "tags_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "job_tags" (
+    "id" SERIAL NOT NULL,
+    "job_id" INTEGER NOT NULL,
+    "tag_id" INTEGER NOT NULL,
+
+    CONSTRAINT "job_tags_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "job_metadata" (
+    "id" SERIAL NOT NULL,
+    "jobId" INTEGER NOT NULL,
+    "name" TEXT NOT NULL,
+    "value" TEXT NOT NULL,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updatedAt" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "job_metadata_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "job_sources" (
+    "id" SERIAL NOT NULL,
+    "job_id" INTEGER NOT NULL,
+    "source" TEXT NOT NULL,
+    "external_id" TEXT,
+    "raw_url" TEXT,
+    "data" JSONB,
+    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+    CONSTRAINT "job_sources_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "taggables" (
+    "id" SERIAL NOT NULL,
+    "tag_id" INTEGER NOT NULL,
+    "tag_type" TEXT NOT NULL,
+    "taggable_id" INTEGER NOT NULL,
+    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+    CONSTRAINT "taggables_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateIndex
+CREATE UNIQUE INDEX "jobs_url_key" ON "jobs"("url");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "companies_name_key" ON "companies"("name");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "tags_name_key" ON "tags"("name");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "job_tags_job_id_tag_id_key" ON "job_tags"("job_id", "tag_id");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "job_metadata_jobId_name_key" ON "job_metadata"("jobId", "name");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "job_sources_source_external_id_key" ON "job_sources"("source", "external_id");
+
+-- CreateIndex
+CREATE INDEX "taggables_tag_type_taggable_id_idx" ON "taggables"("tag_type", "taggable_id");
+
+-- AddForeignKey
+ALTER TABLE "jobs" ADD CONSTRAINT "jobs_company_id_fkey" FOREIGN KEY ("company_id") REFERENCES "companies"("id") ON DELETE SET NULL ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "job_tags" ADD CONSTRAINT "job_tags_job_id_fkey" FOREIGN KEY ("job_id") REFERENCES "jobs"("id") ON DELETE RESTRICT ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "job_tags" ADD CONSTRAINT "job_tags_tag_id_fkey" FOREIGN KEY ("tag_id") REFERENCES "tags"("id") ON DELETE RESTRICT ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "job_metadata" ADD CONSTRAINT "job_metadata_jobId_fkey" FOREIGN KEY ("jobId") REFERENCES "jobs"("id") ON DELETE RESTRICT ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "job_sources" ADD CONSTRAINT "job_sources_job_id_fkey" FOREIGN KEY ("job_id") REFERENCES "jobs"("id") ON DELETE RESTRICT ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "taggables" ADD CONSTRAINT "taggables_tag_id_fkey" FOREIGN KEY ("tag_id") REFERENCES "tags"("id") ON DELETE RESTRICT ON UPDATE CASCADE;