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Drupal example source code file (uc_credit.install)

This example Drupal source code file (uc_credit.install) is included in the DevDaily.com "Drupal Source Code Warehouse" project. The intent of this project is to help you "Learn Drupal by Example".

PHP - Drupal tags/keywords

change, database, function, math, max, not, null, php, ret, return, sql, uc_payment_credit, update_sql, varchar

The uc_credit.install Drupal example source code

// $Id: uc_credit.install,v 2008/11/07 21:13:23 islandusurper Exp $

 * @file
 * Install file for the credit module... this is mostly legacy code now.

function uc_credit_uninstall() {
  db_query("DELETE FROM {variable} WHERE name LIKE 'uc_credit_%%'");

function uc_credit_update_1() {
  $ret[] = update_sql("ALTER TABLE {uc_payment_credit} ADD cc_bank VARCHAR(255) NOT NULL, ADD cc_type VARCHAR(255) NOT NULL");

  $max = db_result(db_query("SELECT MAX(credit_id) FROM {uc_payment_credit}"));
  if (is_numeric($max)) {
    $ret[] = update_sql("INSERT INTO {sequences} VALUES ('{uc_payment_credit}_credit_id', ". $max .")");

  return $ret;

function uc_credit_update_2() {
  $ret[] = update_sql("ALTER TABLE {uc_payment_credit} CHANGE `cc_owner` `cc_owner` VARCHAR(255) NOT NULL, "
                     ."CHANGE `cc_number` `cc_number` VARCHAR(255) NOT NULL, "
                     ."CHANGE `cc_exp_month` `cc_exp_month` VARCHAR(255) NOT NULL, "
                     ."CHANGE `cc_exp_year` `cc_exp_year` VARCHAR(255) NOT NULL, "
                     ."CHANGE `cc_cvv` `cc_cvv` VARCHAR(255) NOT NULL");

  return $ret;

function uc_credit_update_6000() {
  $ret = array();

  db_drop_table($ret, 'uc_payment_credit');

  return $ret;

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