if ($indexes) {
echo "<table cellspacing='0'>\n";
foreach ($indexes as $name => $index) {
ksort($index["columns"]);
// enforce correct columns order
$print = array();
foreach ($index["columns"] as $key => $val) {
$print[] = "<i>" . h($val) . "</i>" . ($index["lengths"][$key] ? "(" . $index["lengths"][$key] . ")" : "") . ($index["descs"][$key] ? " DESC" : "");
}
echo "<tr title='" . h($name) . "'><th>{$index['type']}<td>" . implode(", ", $print) . "\n";
}
echo "</table>\n";
}
echo '<p class="links"><a href="' . h(ME) . 'indexes=' . urlencode($TABLE) . '">' . lang('Alter indexes') . "</a>\n";
}
if (fk_support($table_status)) {
echo "<h3 id='foreign-keys'>" . lang('Foreign keys') . "</h3>\n";
$foreign_keys = foreign_keys($TABLE);
if ($foreign_keys) {
echo "<table cellspacing='0'>\n";
echo "<thead><tr><th>" . lang('Source') . "<td>" . lang('Target') . "<td>" . lang('ON DELETE') . "<td>" . lang('ON UPDATE') . "<td> </thead>\n";
foreach ($foreign_keys as $name => $foreign_key) {
echo "<tr title='" . h($name) . "'>";
echo "<th><i>" . implode("</i>, <i>", array_map('h', $foreign_key["source"])) . "</i>";
echo "<td><a href='" . h($foreign_key["db"] != "" ? preg_replace('~db=[^&]*~', "db=" . urlencode($foreign_key["db"]), ME) : ($foreign_key["ns"] != "" ? preg_replace('~ns=[^&]*~', "ns=" . urlencode($foreign_key["ns"]), ME) : ME)) . "table=" . urlencode($foreign_key["table"]) . "'>" . ($foreign_key["db"] != "" ? "<b>" . h($foreign_key["db"]) . "</b>." : "") . ($foreign_key["ns"] != "" ? "<b>" . h($foreign_key["ns"]) . "</b>." : "") . h($foreign_key["table"]) . "</a>";
echo "(<i>" . implode("</i>, <i>", array_map('h', $foreign_key["target"])) . "</i>)";
echo "<td>" . nbsp($foreign_key["on_delete"]) . "\n";
echo "<td>" . nbsp($foreign_key["on_update"]) . "\n";
echo '<td><a href="' . h(ME . 'foreign=' . urlencode($TABLE) . '&name=' . urlencode($name)) . '">' . lang('Alter') . '</a>';
}
echo "</table>\n";
/** Get referencable tables with single column primary key except self
* @param string
* @return array ($table_name => $field)
*/
function referencable_primary($self)
{
$return = array();
// table_name => field
foreach (table_status('', true) as $table_name => $table) {
if ($table_name != $self && fk_support($table)) {
foreach (fields($table_name) as $field) {
if ($field["primary"]) {
if ($return[$table_name]) {
// multi column primary key
unset($return[$table_name]);
break;
}
$return[$table_name] = $field;
}
}
}
}
return $return;
}
