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<?php
declare(strict_types=1);
namespace Nsfisis\Albatross\Sql\Internal;
use Nsfisis\Albatross\Exceptions\InvalidSqlException;
use Nsfisis\Albatross\Sql\QueryBuilder;
final class InsertFromSelect
{
/**
* @var ?list<string>
*/
private ?array $fields;
private ?Select $from;
/**
* @internal
*/
public function __construct(
private readonly QueryBuilder $sql,
private readonly string $table,
) {
}
/**
* @param list<string> $fields
*/
public function fields(array $fields): self
{
$this->fields = $fields;
return $this;
}
public function from(Select $from): self
{
$this->from = $from;
return $this;
}
/**
* @param array<string, string|int> $params
*/
public function execute(array $params = []): void
{
$this->sql->_executeInsertFromSelect($this, $params);
}
/**
* @internal
*/
public function _getTable(): string
{
return $this->table;
}
/**
* @internal
* @return list<string>
*/
public function _getFields(): array
{
if (!isset($this->fields)) {
throw new InvalidSqlException('INSERT SELECT: $fields must be set before calling execute()');
}
return $this->fields;
}
public function _getFrom(): Select
{
if (!isset($this->from)) {
throw new InvalidSqlException('INSERT SELECT: $from must be set before calling execute()');
}
return $this->from;
}
}
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