segment migration and support

db/postgresql/migrations/11_add_segment/migration.sql

@@ -0,0 +1,17 @@
+-- CreateTable
+CREATE TABLE "segment" (
+    "segment_id" UUID NOT NULL,
+    "website_id" UUID NOT NULL,
+    "name" VARCHAR(200) NOT NULL,
+    "filters" JSONB NOT NULL,
+    "created_at" TIMESTAMPTZ(6) DEFAULT CURRENT_TIMESTAMP,
+    "updated_at" TIMESTAMPTZ(6),
+
+    CONSTRAINT "segment_pkey" PRIMARY KEY ("segment_id")
+);
+
+-- CreateIndex
+CREATE UNIQUE INDEX "segment_segment_id_key" ON "segment"("segment_id");
+
+-- CreateIndex
+CREATE INDEX "segment_website_id_idx" ON "segment"("website_id");