m

backend/app/prisma/migrations/20251214093609_messages2/migration.sql

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+-- CreateTable
+CREATE TABLE "User" (
+    "id" TEXT NOT NULL PRIMARY KEY,
+    "email" TEXT NOT NULL,
+    "username" TEXT NOT NULL,
+    "password" TEXT NOT NULL,
+    "createdAt" DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
+
+-- CreateTable
+CREATE TABLE "Conversation" (
+    "id" TEXT NOT NULL PRIMARY KEY,
+    "createdAt" DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
+
+-- CreateTable
+CREATE TABLE "ConversationParticipant" (
+    "conversationId" TEXT NOT NULL,
+    "userId" TEXT NOT NULL,
+    "lastReadAt" DATETIME,
+
+    PRIMARY KEY ("conversationId", "userId"),
+    CONSTRAINT "ConversationParticipant_conversationId_fkey" FOREIGN KEY ("conversationId") REFERENCES "Conversation" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
+    CONSTRAINT "ConversationParticipant_userId_fkey" FOREIGN KEY ("userId") REFERENCES "User" ("id") ON DELETE CASCADE ON UPDATE CASCADE
+);
+
+-- CreateTable
+CREATE TABLE "Message" (
+    "id" TEXT NOT NULL PRIMARY KEY,
+    "conversationId" TEXT NOT NULL,
+    "senderId" TEXT NOT NULL,
+    "content" TEXT NOT NULL,
+    "createdAt" DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    CONSTRAINT "Message_conversationId_fkey" FOREIGN KEY ("conversationId") REFERENCES "Conversation" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
+    CONSTRAINT "Message_senderId_fkey" FOREIGN KEY ("senderId") REFERENCES "User" ("id") ON DELETE CASCADE ON UPDATE CASCADE
+);
+
+-- CreateIndex
+CREATE UNIQUE INDEX "User_email_key" ON "User"("email");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "User_username_key" ON "User"("username");
+
+-- CreateIndex
+CREATE INDEX "ConversationParticipant_userId_idx" ON "ConversationParticipant"("userId");
+
+-- CreateIndex
+CREATE INDEX "Message_conversationId_createdAt_idx" ON "Message"("conversationId", "createdAt");