query("SELECT TABLE_NAME, CONSTRAINT_NAME, COLUMN_NAME, REFERENCED_COLUMN_NAME
FROM information_schema.KEY_COLUMN_USAGE
WHERE TABLE_SCHEMA = " . $dbh->quote(adminer_database()) . "
AND REFERENCED_TABLE_SCHEMA = " . $dbh->quote(adminer_database()) . "
AND REFERENCED_TABLE_NAME = " . $dbh->quote($table) . "
ORDER BY ORDINAL_POSITION"); //! requires MySQL 5
if ($result) {
while ($row = $result->fetch_assoc()) {
$return[$row["TABLE_NAME"]][$row["CONSTRAINT_NAME"]][$row["COLUMN_NAME"]] = $row["REFERENCED_COLUMN_NAME"];
}
$result->free();
}
return call_adminer('backward_keys', $return, $table);
}
function adminer_select_query($query) {
return call_adminer('select_query', "\n", $query);
}
function adminer_row_description($table) {
$return = "";
// first varchar column
foreach (fields($table) as $field) {
if ($field["type"] == "varchar") {
$return = idf_escape($field["field"]);
break;
}
}
return call_adminer('row_description', $return, $table);
}
function adminer_row_descriptions($rows, $foreign_keys) {
global $dbh;
$return = $rows;
foreach ($rows[0] as $key => $val) {
foreach ((array) $foreign_keys[$key] as $foreign_key) {
if (count($foreign_key["source"]) == 1) {
$id = idf_escape($foreign_key["target"][0]);
$name = adminer_row_description($foreign_key["table"]);
if (strlen($name)) {
// find all used ids
$ids = array();
foreach ($rows as $row) {
$ids[$row[$key]] = $dbh->quote($row[$key]);
}
// uses constant number of queries to get the descriptions, join would be complex, multiple queries would be slow
$descriptions = array();
$result = $dbh->query("SELECT $id, $name FROM " . idf_escape($foreign_key["table"]) . " WHERE $id IN (" . implode(", ", $ids) . ")");
while ($row = $result->fetch_row()) {
$descriptions[$row[0]] = $row[1];
}
$result->free();
// use the descriptions
foreach ($rows as $n => $row) {
$return[$n][$key] = $descriptions[$row[$key]];
}
break;
}
}
}
}
return call_adminer('row_descriptions', $return, $rows, $foreign_keys);
}
function adminer_select_val($val, $link, $field) {
$return = ($val == "NULL" ? " " : $val);
if (ereg('blob|binary', $field["type"]) && !is_utf8($val)) {
$return = lang('%d byte(s)', strlen($val));
if (ereg("^(GIF|\xFF\xD8\xFF|\x89\x50\x4E\x47\x0D\x0A\x1A\x0A)", $val)) { // GIF|JPG|PNG, getimagetype() works with filename
$return = "![$return](\"$link\")
";
}
}
return call_adminer('select_val', ($link ? "$return" : $return), $val, $link);
}
function adminer_message_query($query) {
return call_adminer('message_query', "", $query);
}
function adminer_edit_functions($field) {
return call_adminer('edit_functions', (isset($_GET["select"]) ? array("orig" => lang('original')) : array()) + array(""), $field);
}
function adminer_edit_input($table, $field) {
global $dbh;
$return = null;
$foreign_keys = column_foreign_keys($table);
foreach ((array) $foreign_keys[$field["field"]] as $foreign_key) {
if (count($foreign_key["source"]) == 1) {
$id = idf_escape($foreign_key["target"][0]);
$name = adminer_row_description($foreign_key["table"]);
if (strlen($name) && $dbh->result($dbh->query("SELECT COUNT(*) FROM " . idf_escape($foreign_key["table"]))) <= 1000) { // optionlist with more than 1000 options would be too big
if ($field["null"]) {
$return[""] = "";
}
$result = $dbh->query("SELECT $id, $name FROM " . idf_escape($foreign_key["table"]) . " ORDER BY 2");
while ($row = $result->fetch_row()) {
$return[$row[0]] = $row[1];
}
$result->free();
break;
}
}
}
return call_adminer('edit_input', $return, $table, $field);
}
/** Process sent input
* @param string field name
* @param array single field from fields()
* @return string expression to use in a query
*/
function adminer_process_input($name, $field) {
global $dbh;
$idf = bracket_escape($name);
$function = $_POST["function"][$idf];
$value = $_POST["fields"][$idf];
$return = $dbh->quote($value);
if (!ereg('varchar|text', $field["type"]) && !strlen($value)) {
$return = "NULL";
} elseif (ereg('date|time', $field["type"]) && $value == "CURRENT_TIMESTAMP") {
$return = $value;
}
return call_adminer('process_input', $return, $name, $field);
}
function adminer_navigation($missing) {
global $SELF;
if (call_adminer('navigation', true, $missing) && $missing != "auth") {
?>
" . lang('No tables.') . "\n";
} else {
echo "\n";
foreach ($table_status as $row) {
$name = adminer_table_name($row);
if (isset($row["Engine"]) && strlen($name)) { // ignore views and tables without name
echo '$name
\n";
}
}
}
}
}
}