From 75b0a939c7ce24014a8db95a3355d2a7ffdfe3a9 Mon Sep 17 00:00:00 2001 From: Rafael Bodill Date: Fri, 19 Sep 2014 18:39:28 +0300 Subject: Optimizing multipaste tables --- application/migrations/013_add_multipaste.php | 24 +++++++----------------- 1 file changed, 7 insertions(+), 17 deletions(-) (limited to 'application') diff --git a/application/migrations/013_add_multipaste.php b/application/migrations/013_add_multipaste.php index ef29effa9..96092b4ee 100644 --- a/application/migrations/013_add_multipaste.php +++ b/application/migrations/013_add_multipaste.php @@ -8,32 +8,22 @@ class Migration_add_multipaste extends CI_Migration { if ($this->db->dbdriver == 'postgre') { $this->db->query(' CREATE TABLE "multipaste" ( - "url_id" varchar(255) NOT NULL, - "multipaste_id" serial, + "url_id" varchar(255) NOT NULL PRIMARY KEY, + "multipaste_id" serial UNIQUE, "user_id" integer NOT NULL, - "date" integer NOT NULL, - PRIMARY KEY ("url_id") + "date" integer NOT NULL ); CREATE INDEX "multipaste_user_idx" ON "multipaste" ("user_id"); - CREATE UNIQUE INDEX "multipaste_id_idx" ON "multipaste" ("multipaste_id"); '); $this->db->query(' CREATE TABLE "multipaste_file_map" ( - "multipaste_id" integer NOT NULL, - "file_url_id" varchar(255) NOT NULL, - "sort_order" serial, - PRIMARY KEY ("sort_order") + "multipaste_id" integer NOT NULL REFERENCES "multipaste" ("multipaste_id") ON DELETE CASCADE ON UPDATE CASCADE, + "file_url_id" varchar(255) NOT NULL REFERENCES "files"("id") ON DELETE CASCADE ON UPDATE CASCADE, + "sort_order" serial PRIMARY KEY, + UNIQUE ("multipaste_id", "file_url_id") ); - CREATE UNIQUE INDEX "multipaste_file_map_idx" - ON "multipaste_file_map" ("multipaste_id", "file_url_id"); CREATE INDEX "multipaste_file_map_file_idx" ON "multipaste_file_map" ("file_url_id"); - ALTER TABLE "multipaste_file_map" - ADD CONSTRAINT "multipaste_file_map_id_fkey" FOREIGN KEY ("multipaste_id") - REFERENCES "multipaste"("multipaste_id") ON DELETE CASCADE ON UPDATE CASCADE; - ALTER TABLE "multipaste_file_map" - ADD CONSTRAINT "multipaste_file_map_file_id_fkey" FOREIGN KEY ("file_url_id") - REFERENCES "files"("id") ON DELETE CASCADE ON UPDATE CASCADE '); } else { -- cgit v1.2.3-24-g4f1b