result($dbh->query("SELECT SUBSTRING_INDEX(CURRENT_USER, '@', 1)")) // username without the database list
: $dbs[(information_schema($dbs[0]) ? 1 : 0)] // first available database
);
}
function loginForm($username) {
?>
query("SELECT TABLE_NAME, CONSTRAINT_NAME, COLUMN_NAME, REFERENCED_COLUMN_NAME
FROM information_schema.KEY_COLUMN_USAGE
WHERE TABLE_SCHEMA = " . $dbh->quote($this->database()) . "
AND REFERENCED_TABLE_SCHEMA = " . $dbh->quote($this->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"];
}
}
return $return;
}
function selectQuery($query) {
return "\n";
}
function rowDescription($table) {
// first varchar column
foreach (fields($table) as $field) {
if ($field["type"] == "varchar") {
return idf_escape($field["field"]);
}
}
return "";
}
function rowDescriptions($rows, $foreignKeys) {
global $dbh;
$return = $rows;
foreach ($rows[0] as $key => $val) {
foreach ((array) $foreignKeys[$key] as $foreignKey) {
if (count($foreignKey["source"]) == 1) {
$id = idf_escape($foreignKey["target"][0]);
$name = $this->rowDescription($foreignKey["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, $name FROM " . idf_escape($foreignKey["table"]) . " WHERE $id IN (" . implode(", ", $ids) . ")");
while ($row = $result->fetch_row()) {
$descriptions[$row[0]] = $row[1];
}
// use the descriptions
foreach ($rows as $n => $row) {
$return[$n][$key] = $descriptions[$row[$key]];
}
break;
}
}
}
}
return $return;
}
function selectVal($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
$return = "";
}
}
if ($field["full_type"] == "tinyint(1)" && $return != " ") { // bool
$return = '';
}
return ($link ? "$return" : $return);
}
function editVal($val, $field) {
if (ereg('date|timestamp', $field["type"])) {
return preg_replace('~^([0-9]{2}([0-9]+))-(0?([0-9]+))-(0?([0-9]+))~', lang('$1-$3-$5'), $val);
}
return $val;
}
function selectColumnsPrint($select, $columns) {
//! allow grouping functions by indexes
}
function selectSearchPrint($where, $columns, $indexes) {
//! from-to, foreign keys
echo '\n";
}
function selectOrderPrint($order, $columns, $indexes) {
//! desc
$orders = array();
foreach ($indexes as $key => $index) {
$order = array();
foreach ($index["columns"] as $val) {
$order[] = $this->fieldName(array("field" => $val, "comment" => $columns[$val]));
}
if (count(array_filter($order, 'strlen')) > 1 && $key != "PRIMARY") {
$orders[$key] = implode(", ", $order);
}
}
if ($orders) {
echo '\n";
}
}
function selectLimitPrint($limit) {
echo "