86 行
2.8 KiB
PHP
86 行
2.8 KiB
PHP
<?php
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defined('BASEPATH') OR exit('No direct script access allowed');
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/*
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Update CAT table
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*/
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class Migration_update_cat_table extends CI_Migration {
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public function up()
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{
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if ($this->db->table_exists('cat')) {
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if ($this->db->field_exists('uplink_freq', 'cat')) {
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$this->dbforge->drop_column('cat', 'uplink_freq');
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}
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if ($this->db->field_exists('uplink_mode', 'cat')) {
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$this->dbforge->drop_column('cat', 'uplink_mode');
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}
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if ($this->db->field_exists('downlink_freq', 'cat')) {
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$fields = array(
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'downlink_freq' => array(
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'name' => 'frequency_rx',
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'type' => 'BIGINT',
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'constraint' => '13',
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),
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);
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$this->dbforge->modify_column('cat', $fields);
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}
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if ($this->db->field_exists('downlink_mode', 'cat')) {
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$fields = array(
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'downlink_mode' => array(
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'name' => 'mode_rx',
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'type' => 'VARCHAR',
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'constraint' => '10',
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),
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);
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$this->dbforge->modify_column('cat', $fields);
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}
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}
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}
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public function down()
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{
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if ($this->db->table_exists('cat')) {
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if ($this->db->field_exists('frequency_rx', 'cat')) {
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$fields = array(
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'frequency_rx' => array(
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'name' => 'downlink_freq',
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'type' => 'BIGINT',
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'null' => TRUE,
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'default' => NULL,
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),
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);
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$this->dbforge->modify_column('cat', $fields);
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}
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if ($this->db->field_exists('mode_rx', 'cat')) {
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$fields = array(
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'mode_rx' => array(
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'name' => 'downlink_mode',
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'type' => 'VARCHAR(255)',
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'null' => TRUE,
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'default' => NULL,
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),
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);
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$this->dbforge->modify_column('cat', $fields);
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}
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if (!$this->db->field_exists('uplink_freq', 'cat')) {
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$fields = array(
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'uplink_freq bigint(13) DEFAULT NULL AFTER `downlink_freq`',
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);
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$this->dbforge->add_column('cat', $fields);
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}
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if (!$this->db->field_exists('uplink_mode', 'cat')) {
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$fields = array(
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'uplink_mode varchar(255) DEFAULT NULL AFTER `downlink_mode`',
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);
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$this->dbforge->add_column('cat', $fields);
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}
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}
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}
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}
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