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23 lines
773 B
PHP
23 lines
773 B
PHP
<?php
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defined('BASEPATH') OR exit('No direct script access allowed');
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class Migration_satmode_fk extends CI_Migration {
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public function up() {
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$this->dbtry("delete from satellitemode where not exists (select 1 from satellite where satelliteid = satellite.id);");
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$this->dbtry("ALTER TABLE satellitemode ADD CONSTRAINT satmode_satellite_FK FOREIGN KEY (satelliteid) REFERENCES satellite (id) ON DELETE CASCADE ON UPDATE RESTRICT;");
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}
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public function down() {
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$this->dbtry("alter table satellitemode drop foreign key satmode_satellite_FK;");
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}
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function dbtry($what) {
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try {
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$this->db->query($what);
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} catch (Exception $e) {
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log_message("error", "Something gone wrong while altering FKs: ".$e." // Executing: ".$this->db->last_query());
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}
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}
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}
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