function equal_to(Modyllic_Schema_Index $other, array $fromnames = null)
{
if (!parent::equal_to($other)) {
return false;
}
if ($this->references != $other->references) {
return false;
}
if ($this->weak != $other->weak) {
return false;
}
return true;
}
/**
* @param Modyllic_Schema_Index $index
*/
function add_index(Modyllic_Schema_Index $index)
{
$name = $index->get_name();
if (isset($this->indexes[$name])) {
throw new Exception("In table " . $this->name . "- duplicate key name " . $name);
}
$this->indexes[$name] = $index;
$this->last_index = $index;
foreach ($index->columns as $cname => $value) {
if (!isset($this->columns[$cname])) {
throw new Exception("In table " . $this->name . ", index {$name}, can't index unknown column {$cname}");
}
}
// If this is a primary key and has only one column then we'll flag that column as a primary key
if ($index->primary and count($index->columns) == 1) {
$name = current(array_keys($index->columns));
$len = current(array_values($index->columns));
// And if there's no length limiter on the column...
if ($len === false) {
$this->columns[$name]->is_primary = true;
}
}
return $index;
}
function add_index(Modyllic_Schema_Index $key)
{
// If a semantically identical key already exists, replace it.
$match = null;
foreach ($this->ctx->indexes as $array_index => &$index) {
if ($key->equal_to($index)) {
$match = $array_index;
break;
}
}
if (isset($match)) {
unset($this->ctx->indexes[$match]);
}
$this->ctx->add_index($key);
}
