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27 lines
1023 B
PHP
27 lines
1023 B
PHP
<?php
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defined('BASEPATH') OR exit('No direct script access allowed');
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class Migration_add_oqrs_cascade extends CI_Migration {
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public function up() {
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$this->dbtry("ALTER TABLE oqrs MODIFY COLUMN qsoid BIGINT(20) UNSIGNED;");
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$this->dbtry("ALTER TABLE oqrs ADD UNIQUE (qsoid)");
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$this->dbtry("ALTER TABLE oqrs ADD CONSTRAINT oqrs_logbook_fk FOREIGN KEY (qsoid) REFERENCES " . $this->config->item('table_name') . " (COL_PRIMARY_KEY) ON DELETE CASCADE ON UPDATE RESTRICT;");
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$this->dbtry("ALTER TABLE oqrs MODIFY requesttime TIMESTAMP DEFAULT CURRENT_TIMESTAMP;");
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}
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public function down(){
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$this->dbtry("ALTER TABLE oqrs MODIFY COLUMN qsoid INT;");
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$this->dbtry("ALTER TABLE oqrs DROP UNIQUE (qsoid);");
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$this->dbtry("ALTER TABLE oqrs DROP FOREIGN KEY oqrs_logbook_fk;");
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}
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function dbtry($what) {
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try {
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$this->db->query($what);
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} catch (Exception $e) {
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log_message("error", "Something gone wrong while altering the OQRS table: ".$e." // Executing: ".$this->db->last_query());
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}
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}
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}
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