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fix for MDL-9713 : use XMLDB functions to create tables when mod/hotpot/db/mysql.sql is not found. This allows upgrade direct from Moodle 1.5 (or earlier) to Moodle 1.8 (or later)

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gbateson
2007-11-12 08:49:41 +00:00
parent ab7005bfa4
commit fec02d75b9
1 changed files with 63 additions and 24 deletions
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mod/hotpot/db/update_to_v2.php
+63 -24
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@@ -1,4 +1,9 @@
<?PHP
if (file_exists("$CFG->dirroot/lib/ddllib.php")) {
// Moodle 1.8+
include_once "$CFG->dirroot/lib/ddllib.php";
}
function hotpot_update_to_v2_2() {
global $CFG;
$ok = true;
@@ -522,35 +527,69 @@ function hotpot_update_to_v2_from_hotpotatoes() {
}
function hotpot_create_table($table) {
global $CFG;
$ok = true;
static $sql;
if (empty($sql)) { // first time only
$filepath = "$CFG->dirroot/mod/hotpot/db/$CFG->dbtype.sql";
if (function_exists('file_get_contents')) {
$sql = file_get_contents($filepath);
} else { // PHP < 4.3
$sql = file($filepath);
if (is_array($sql)) {
$sql = implode('', $sql);
}
}
if(empty($sql)) { // $sql==false
$sql = '';
}
}
static $xmldb_file;
// check table does not already exist
if (!hotpot_db_table_exists($table)) {
// extract and execute all CREATE statements relating to this table
if (preg_match_all("/CREATE (TABLE|INDEX)(\s[^;]*)? prefix_{$table}(\s[^;]*)?;/s", $sql, $strings)) {
foreach ($strings[0] as $string) {
$ok = $ok && modify_database('', $string);
if (hotpot_db_table_exists($table)) {
return true;
}
if (! isset($xmldb_file)) { // first time only
if (class_exists('XMLDBFile')) {
$xmldb_file = new XMLDBFile("$CFG->dirroot/mod/hotpot/db/install.xml");
if (! $xmldb_file->fileExists() || !$xmldb_file->loadXMLStructure() || !$xmldb_file->isLoaded()) {
unset($xmldb_file);
}
} else {
// no CREATE statements found for this $table
$ok = false;
}
if (empty($xmldb_file)) {
$xmldb_file = false;
}
}
return $ok;
if ($xmldb_file) {
// Moodle 1.8 (and later)
$ok = false;
foreach ($xmldb_file->xmldb_structure->tables as $xmldb_table) {
if ($xmldb_table->name==$table) {
$ok = create_table($xmldb_table);
break;
}
}
return $ok;
}
// Moodle 1.7 (and earlier)
if (! isset($sql)) { // first time only
$sqlfilepath = "$CFG->dirroot/mod/hotpot/db/$CFG->dbtype.sql";
if (file_exists($sqlfilepath)) {
if (function_exists('file_get_contents')) {
$sql = file_get_contents($sqlfilepath);
} else { // PHP < 4.3
$sql = file($sqlfilepath);
if (is_array($sql)) {
$sql = implode('', $sql);
}
}
}
if (empty($sql)) {
$sql = '';
}
}
// extract and execute all CREATE statements relating to this table
if (preg_match_all("/CREATE (TABLE|INDEX)(\s[^;]*)? prefix_{$table}(\s[^;]*)?;/s", $sql, $strings)) {
$ok = true;
foreach ($strings[0] as $string) {
$ok = $ok && modify_database('', $string);
}
return $ok;
}
// table could not be created
return false;
}
function hotpot_transfer_records($oldtable, $table, $foreignkeys, $primarykey, &$new) {
global $db;