/**
* @param \pq\Gateway\Table $table
*/
function __construct(Table $table)
{
$cache = $table->getMetadataCache();
if (!($this->columns = $cache->get("{$table}:identity"))) {
$table->getQueryExecutor()->execute(new \pq\Query\Writer(IDENTITY_SQL, array($table->getName())), function ($result) use($table, $cache) {
$this->columns = array_map("current", $result->fetchAll(\pq\Result::FETCH_ARRAY));
$cache->set("{$table}:identity", $this->columns);
});
}
}
/**
* @param \pq\Gateway\Table $table
*/
function __construct(Table $table)
{
$cache = $table->getMetadataCache();
if (!($this->columns = $cache->get("{$table}:attributes"))) {
$table->getQueryExecutor()->execute(new \pq\Query\Writer(ATTRIBUTES_SQL, array($table->getName())), function ($result) use($table, $cache) {
foreach ($result->fetchAll(\pq\Result::FETCH_OBJECT) as $c) {
$this->columns[$c->index] = $this->columns[$c->name] = $c;
}
$cache->set("{$table}:attributes", $this->columns);
});
}
}
/**
* @param \pq\Gateway\Table $table
*/
function __construct(Table $table)
{
$cache = $table->getMetadataCache();
if (!($this->references = $cache->get("{$table}:relations"))) {
$table->getQueryExecutor()->execute(new \pq\Query\Writer(RELATION_SQL, array($table->getName())), function ($result) use($table, $cache) {
$rel = $result->map([1, 2], null, \pq\Result::FETCH_ASSOC);
foreach ($rel as $ref) {
foreach ($ref as $table => $key) {
$reference = new Reference($key);
$this->references[$table][$reference->name] = $reference;
}
}
$cache->set("{$table}:relations", $this->references);
});
}
}
