chore: improve person & attribute query performance (#2161)

packages/database/migrations/20240229141200_add_attribute_class_indexes/migration.sql

@@ -0,0 +1,20 @@
+/*
+  Warnings:
+
+  - A unique constraint covering the columns `[personId,attributeClassId]` on the table `Attribute` will be added. If there are existing duplicate values, this will fail.
+
+*/
+-- DropIndex
+DROP INDEX "Attribute_attributeClassId_personId_key";
+
+-- DropIndex
+DROP INDEX "AttributeClass_environmentId_idx";
+
+-- CreateIndex
+CREATE UNIQUE INDEX "Attribute_personId_attributeClassId_key" ON "Attribute"("personId", "attributeClassId");
+
+-- CreateIndex
+CREATE INDEX "AttributeClass_environmentId_created_at_idx" ON "AttributeClass"("environmentId", "created_at");
+
+-- CreateIndex
+CREATE INDEX "AttributeClass_environmentId_archived_idx" ON "AttributeClass"("environmentId", "archived");

packages/database/schema.prisma

@@ -63,7 +63,7 @@ model Attribute {
   personId         String
   value            String
 
-  @@unique([attributeClassId, personId])
+  @@unique([personId, attributeClassId])
 }
 
 enum AttributeType {
@@ -86,7 +86,8 @@ model AttributeClass {
   attributeFilters SurveyAttributeFilter[]
 
   @@unique([name, environmentId])
-  @@index([environmentId])
+  @@index([environmentId, createdAt])
+  @@index([environmentId, archived])
 }
 
 model Person {