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Update.php
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Update.php
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<?php
/**
* @license MIT
* @license http://opensource.org/licenses/MIT
*/
namespace FaaPz\PDO\Statement;
use FaaPz\PDO\AdvancedStatement;
use FaaPz\PDO\Clause\RawInterface;
use FaaPz\PDO\Database;
use FaaPz\PDO\QueryInterface;
class Update extends AdvancedStatement implements UpdateInterface
{
/** @var string $table */
protected $table;
/** @var array<string, float|int|string|RawInterface|SelectInterface> $pairs */
protected $pairs = [];
/**
* @param Database $dbh
* @param array<string, float|int|string|RawInterface|SelectInterface> $pairs
*/
public function __construct(Database $dbh, array $pairs = [])
{
parent::__construct($dbh);
$this->pairs($pairs);
}
/**
* @param string $table
*
* @return self
*/
public function table(string $table): self
{
$this->table = $table;
return $this;
}
/**
* @return string
*/
protected function renderTable(): string
{
if (empty($this->table)) {
trigger_error('No table set for update statement', E_USER_ERROR);
}
return " {$this->table}";
}
/**
* @param string $column
* @param float|int|string|RawInterface|SelectInterface $value
*
* @return self
*/
public function set(string $column, $value): self
{
$this->pairs[$column] = $value;
return $this;
}
/**
* @param array<string, float|int|string|RawInterface|SelectInterface> $pairs
*
* @return self
*/
public function pairs(array $pairs): self
{
$this->pairs = array_merge($this->pairs, $pairs);
return $this;
}
/**
* @return string
*/
protected function renderPairs(): string
{
if (empty($this->pairs)) {
trigger_error('No column / value pairs set for update statement', E_USER_ERROR);
}
$sql = '';
foreach ($this->pairs as $key => $value) {
if (!empty($sql)) {
$sql .= ', ';
}
if ($value instanceof SelectInterface) {
$sql .= "{$key} = ({$value})";
} elseif ($value instanceof RawInterface) {
$sql .= "{$key} = {$value}";
} else {
$sql .= "{$key} = ?";
}
}
return " SET {$sql}";
}
/**
* @return array<int, mixed>
*/
public function getValues(): array
{
$values = [];
foreach ($this->join as $join) {
$values = array_merge($values, $join->getValues());
}
foreach ($this->pairs as $value) {
if ($value instanceof QueryInterface) {
$values = array_merge($values, $value->getValues());
} else {
$values[] = $value;
}
}
if ($this->where != null) {
$values = array_merge($values, $this->where->getValues());
}
if ($this->limit != null) {
$values = array_merge($values, $this->limit->getValues());
}
return $values;
}
/**
* @return string
*/
public function __toString(): string
{
return 'UPDATE'
. $this->renderTable()
. $this->renderJoin()
. $this->renderPairs()
. $this->renderWhere()
. $this->renderOrderBy()
. $this->renderLimit();
}
}