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-rw-r--r--application/migrations/012_add_constraints.php27
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()