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-- CreateTable CoursePlaylist
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CREATE TABLE "CoursePlaylist" (
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"id" TEXT NOT NULL,
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"courseId" TEXT NOT NULL,
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"playlistId" TEXT NOT NULL,
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"createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
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CONSTRAINT "CoursePlaylist_pkey" PRIMARY KEY ("id")
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);
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-- CreateIndex for CoursePlaylist
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CREATE UNIQUE INDEX "CoursePlaylist_courseId_playlistId_key" ON "CoursePlaylist"("courseId", "playlistId");
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CREATE INDEX "CoursePlaylist_courseId_idx" ON "CoursePlaylist"("courseId");
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CREATE INDEX "CoursePlaylist_playlistId_idx" ON "CoursePlaylist"("playlistId");
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-- Add foreign key constraints
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ALTER TABLE "CoursePlaylist" ADD CONSTRAINT "CoursePlaylist_courseId_fkey" FOREIGN KEY ("courseId") REFERENCES "Course"("id") ON DELETE CASCADE ON UPDATE CASCADE;
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ALTER TABLE "CoursePlaylist" ADD CONSTRAINT "CoursePlaylist_playlistId_fkey" FOREIGN KEY ("playlistId") REFERENCES "Playlist"("id") ON DELETE CASCADE ON UPDATE CASCADE;
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-- Update Playlist table to add ON DELETE CASCADE to courseId
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ALTER TABLE "Playlist" DROP CONSTRAINT IF EXISTS "Playlist_courseId_fkey";
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ALTER TABLE "Playlist" ADD CONSTRAINT "Playlist_courseId_fkey" FOREIGN KEY ("courseId") REFERENCES "Course"("id") ON DELETE CASCADE ON UPDATE CASCADE;
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