}
//Optimize tables that are not part of the browse definition
SwitchDatabase::switchToVuFind();
set_time_limit(300);
optimizeTable('title_browse');
optimizeTable('title_browse_metadata');
optimizeTable('title_browse_scoped_results_global');
optimizeTable('author_browse');
optimizeTable('author_browse_metadata');
optimizeTable('author_browse_scoped_results_global');
optimizeTable('subject_browse');
optimizeTable('subject_browse_metadata');
optimizeTable('subject_browse_scoped_results_global');
optimizeTable('callnumber_browse');
optimizeTable('callnumber_browse_metadata');
optimizeTable('callnumber_browse_scoped_results_global');
while ($library->fetch()) {
optimizeTable("title_browse_scoped_results_library_{$library->subdomain}");
optimizeTable("author_browse_scoped_results_library_{$library->subdomain}");
optimizeTable("subject_browse_scoped_results_library_{$library->subdomain}");
optimizeTable("callnumber_browse_scoped_results_library_{$library->subdomain}");
}
$logger->log('Finished optimizing tables', PEAR_LOG_INFO);
function optimizeTable($tableName)
{
global $logger;
set_time_limit(1000);
echo "Optimizing {$tableName}<br/>\r\n";
mysql_query("OPTIMIZE TABLE {$tableName};");
$logger->log('Optimized table: ' . $tableName, PEAR_LOG_INFO);
}
function parseTextArea($table)
{
// make outside variables accessible within the function scope
global $id, $db_link;
// Get number of existing (old) rows so we know how many to remove later.
global $numOldRows;
$numOldRows = mysql_num_rows(mysql_query("SELECT * FROM {$table} WHERE ID={$id}", $db_link));
// trim any whitespace characters from the beginning and end of the textarea string
// this removes, for instance, any extra newline characters at the end of the string
$txtarea = trim($_POST[$table]);
// if textarea is empty and there are no old rows, then exit the function
if (!$txtarea && $numOldRows == 0) {
return 0;
}
// if textarea is empty and there *are* old rows, then there is no updates to be done. proceed to delete
if (!$txtarea && $numOldRows > 0) {
removeOldRows($table, $numOldRows);
return 1;
}
// Splits textarea lines into an array.
$newEntry = explode("\n", $txtarea);
// Obtain the number of new entries.
$x = 0;
while (each($newEntry)) {
$x++;
}
reset($newEntry);
// pulls the rows out of the array.
// then splits up the rows into values which are then added to the database.
for ($y = 0; $y < $x; $y++) {
$newRow = "newRow" . $y;
${$newRow} = $newEntry[$y];
$newRowArray = explode("|", ${$newRow});
// turns it into another array
/*
// OLD
// All textareas assume that there are 2 fields per row. One is the data itself,
// the other is the "type" of data. Not all fields require types. E-mail, for
// instance, often do not require one. So the second field in each row can be
// assumed to be optional for the purposes of this script.
// The old code allowed for any number of new values in a row, seperated by the
// pipe character. In reality, this is useless. No rows have more or less than
// two fields.
// The following code is retained for future-use purposes, in case we do need
// code that allows for variable fields per row. However, for the purposes of the
// current script, we will use code that assumes 2 fields per row. If a second
// field is empty, it will create blank (empty) data. If a first field is empty,
// it will ignore the row.
// obtains number of values in row.
$z = 0;
while (each($newRowArray)) {
$z++;
}
reset($newRowArray);
// creates initial sql command
$sql = "INSERT INTO $table VALUES ($id";
// now we store each seperate value of the row into variables.
for ($a = 0; $a < $z; $a++) {
$newValue = newValue . $a;
$$newValue = $newRowArray[$a];
// fix up the string - first strips whitespace, then strips tags, then adds slashes to the final product
$$newValue = addslashes( strip_tags( trim($$newValue) ) );
// concatenate this to $sql
$sql = $sql . ", '" . $$newValue . "'";
}
// create mysql command
$sql = $sql . ")";
*/
// NEW TEXT AREA PARSE CODE
// Turn the contents of the textarea row into something we can attach to the query
// $newRowArray[0] = First value (required for entry)
// $newRowArray[1] = Second value (optional)
// $newRowArray[2,3,...] = ignored completely
// Clean up
$newRowArray[0] = addslashes(strip_tags(trim($newRowArray[0])));
$newRowArray[1] = addslashes(strip_tags(trim($newRowArray[1])));
// Insert
if ($newRowArray[0] != "") {
$sql = "INSERT INTO {$table} VALUES ({$id}, '{$newRowArray['0']}', '{$newRowArray['1']}')";
runQuery($sql);
}
}
// remove old entries, which should exist in the table before the new entries, and optimize
removeOldRows($table, $numOldRows);
optimizeTable($table);
//end function
}
/**
* Optimizes all tables in the database and lists how much was saved.
*
* What it does:
* - It requires the admin_forum permission.
* - It shows as the maintain_forum admin area.
* - It is accessed from ?action=admin;area=maintain;sa=database;activity=optimize.
* - It also updates the optimize scheduled task such that the tables are not automatically optimized again too soon.
*/
public function action_optimize_display()
{
global $txt, $context;
isAllowedTo('admin_forum');
// Some validation
checkSession('post');
validateToken('admin-maint');
ignore_user_abort(true);
require_once SUBSDIR . '/Maintenance.subs.php';
$context['page_title'] = $txt['database_optimize'];
$context['sub_template'] = 'optimize';
$tables = getElkTables();
// If there aren't any tables then I believe that would mean the world has exploded...
$context['num_tables'] = count($tables);
if ($context['num_tables'] == 0) {
fatal_error('You appear to be running ElkArte in a flat file mode... fantastic!', false);
}
// For each table....
$context['optimized_tables'] = array();
foreach ($tables as $table) {
// Optimize the table! We use backticks here because it might be a custom table.
$data_freed = optimizeTable($table['table_name']);
if ($data_freed > 0) {
$context['optimized_tables'][] = array('name' => $table['table_name'], 'data_freed' => $data_freed);
}
}
// Number of tables, etc....
$txt['database_numb_tables'] = sprintf($txt['database_numb_tables'], $context['num_tables']);
$context['num_tables_optimized'] = count($context['optimized_tables']);
// Check that we don't auto optimise again too soon!
require_once SUBSDIR . '/ScheduledTasks.subs.php';
calculateNextTrigger('auto_optimize', true);
}
global $timer;
global $logger;
$library = new Library();
$library->find();
ob_start();
echo "<br>Starting to optimize tables<br/>\r\n";
$logger->log('Starting to optimize tables', PEAR_LOG_INFO);
ob_flush();
foreach ($configArray['Database'] as $key => $value) {
if (preg_match('/table_(.*)/', $key, $matches)) {
if ($value == 'vufind') {
SwitchDatabase::switchToVuFind();
} else {
SwitchDatabase::switchToEcontent();
}
$tableName = $matches[1];
//Some tables take too long to optimize, ignore them.
if (!in_array($tableName, array('analytics_session', 'analytics_page_view'))) {
optimizeTable($tableName);
}
}
}
$logger->log('Finished optimizing tables', PEAR_LOG_INFO);
function optimizeTable($tableName)
{
global $logger;
set_time_limit(1000);
echo "Optimizing {$tableName}<br/>\r\n";
mysql_query("OPTIMIZE TABLE {$tableName};");
$logger->log('Optimized table: ' . $tableName, PEAR_LOG_INFO);
}