function update($table, $keyvalues, $values = array(), $clauses = '')
{
global $dbutils_history_callback;
global $dbutils_show_errors;
global $dbutils_link;
assertDataNonRO('update:' . $table);
$r = false;
if ($dbutils_history_callback !== false) {
txBegin();
}
$sql = 'UPDATE `' . $table . '` SET ' . arraytosafe($values) . ' WHERE ' . arraytosafe($keyvalues, true);
if (is_array($clauses)) {
$clauses = qsafe($clauses);
}
if ($clauses > '') {
$sql .= ' ' . $clauses;
}
mysql_query($sql, $dbutils_link);
$error = mysql_error($dbutils_link);
if ($error > '') {
if ($dbutils_show_errors) {
echo $error . "\r\n";
}
} else {
$r = mysql_affected_rows($dbutils_link);
}
if ($dbutils_history_callback !== false) {
$dbutils_history_callback($table, $keyvalues);
txCommit();
}
return $r;
}
function update($table = '', $keyvalues = array(), $values = array(), $clauses = '', $stack_trace_level = 0)
{
global $dbutils_history_callback;
global $dbutils_show_errors;
global $dbutils_link;
if ('' . @$table == '') {
dbiutils_stack_trace('No table specified', $stack_trace_level);
return false;
}
if (!is_array($keyvalues)) {
dbiutils_stack_trace('Match criteria must be specified as an array', $stack_trace_level);
return false;
}
if (count($keyvalues) == 0) {
dbiutils_stack_trace('No match criteria specified', $stack_trace_level);
return false;
}
if (!dbiutils_assert_connection(0)) {
return false;
}
assertDataNonRO('update:' . $table);
$r = false;
$valuestoset = arraytosafe($values);
if ($valuestoset == '') {
dbiutils_stack_trace('No values specified', $stack_trace_level);
return false;
}
if ($dbutils_history_callback !== false) {
txBegin();
}
$sql = 'UPDATE `' . $table . '` SET ' . $valuestoset . ' WHERE ' . arraytosafe($keyvalues, true);
if (is_array($clauses)) {
$clauses = '' . @qsafe($clauses, 1 + @$stack_trace_level);
}
if ($clauses > '') {
$sql .= ' ' . $clauses;
}
mysqli_query($dbutils_link, $sql);
$error = mysqli_error($dbutils_link);
if ($error > '') {
if ($dbutils_show_errors) {
dbiutils_stack_trace('MySQL: ' . $error . ' [QUERY: ' . $sql . ']', $stack_trace_level);
}
if ($dbutils_history_callback !== false) {
txCancel();
}
return false;
}
$r = mysqli_affected_rows($dbutils_link);
if ($dbutils_history_callback !== false) {
$dbutils_history_callback($table, $keyvalues);
if (!txCommit()) {
// if the commit fails, the history callback's changes should be rolled back too.
return false;
}
}
return $r;
}
