diff options
Diffstat (limited to 'application/migrations/012_add_constraints.php')
| -rw-r--r-- | application/migrations/012_add_constraints.php | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/application/migrations/012_add_constraints.php b/application/migrations/012_add_constraints.php index 2b0764fb0..04c0fb9ca 100644 --- a/application/migrations/012_add_constraints.php +++ b/application/migrations/012_add_constraints.php @@ -5,12 +5,27 @@ class Migration_add_constraints extends CI_Migration { public function up() { - $this->db->query("ALTER TABLE `users` ADD INDEX(`referrer`);"); - $this->db->query("ALTER TABLE `users` CHANGE `referrer` `referrer` - INT(8) UNSIGNED NULL;"); - $this->db->query("UPDATE `users` SET `referrer` = NULL where `referrer` = 0;"); - $this->db->query("ALTER TABLE `users` ADD FOREIGN KEY (`referrer`) - REFERENCES `users`(`id`) ON DELETE RESTRICT ON UPDATE RESTRICT;"); + if ($this->db->dbdriver == 'postgre') + { + $this->db->query('ALTER TABLE "users" ALTER COLUMN "referrer" TYPE integer'); + $this->db->query('ALTER TABLE "users" ALTER COLUMN "referrer" DROP NOT NULL'); + $this->db->query('CREATE INDEX "users_referrer_idx" ON "users" ("referrer")'); + $this->db->query('UPDATE "users" SET "referrer" = NULL where "referrer" = 0'); + $this->db->query(' + ALTER TABLE "users" + ADD CONSTRAINT "referrer_user_fkey" FOREIGN KEY ("referrer") + REFERENCES "users"("id") ON DELETE RESTRICT ON UPDATE RESTRICT + '); + } + else + { + $this->db->query("ALTER TABLE `users` ADD INDEX(`referrer`);"); + $this->db->query("ALTER TABLE `users` CHANGE `referrer` `referrer` + INT(8) UNSIGNED NULL;"); + $this->db->query("UPDATE `users` SET `referrer` = NULL where `referrer` = 0;"); + $this->db->query("ALTER TABLE `users` ADD FOREIGN KEY (`referrer`) + REFERENCES `users`(`id`) ON DELETE RESTRICT ON UPDATE RESTRICT;"); + } } public function down() |