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WIP on connection management

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This commit is contained in:
Daniel J. Summers 2024-06-04 19:55:22 -04:00
parent afc5d80095
commit c2dc111dce
2 changed files with 18 additions and 17 deletions
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17
src/Custom.php
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@ -18,6 +18,7 @@ class Custom
* @param array $parameters The parameters for the query
* @param PDO $pdo The database connection on which the query should be run
* @return PDOStatement The result of executing the query
* @throws DocumentException If the query execution is unsuccessful
*/
public static function runQuery(string $query, array $parameters, PDO $pdo): PDOStatement
{
@ -28,8 +29,9 @@ class Custom
$stmt->bindValue($key, $value);
}
if ($debug) echo '<pre>SQL: ' . $stmt->queryString . '</pre>';
$stmt->execute();
return $stmt;
if ($stmt->execute()) return $stmt;
$keyword = explode(' ', $query, 2)[0];
throw new DocumentException("Error executing $keyword statement: " . $stmt->errorCode());
}
/**
@ -87,8 +89,12 @@ class Custom
*/
public static function nonQuery(string $query, array $parameters, ?PDO $pdo = null): void
{
$stmt = self::runQuery($query, $parameters, $pdo ?? Configuration::dbConn());
if ($stmt->errorCode()) throw new DocumentException('Error executing command: ' . $stmt->errorCode());
try {
$stmt = self::runQuery($query, $parameters, is_null($pdo) ? $actualPDO = Configuration::dbConn() : $pdo);
$stmt = null;
} finally {
if (isset($actualPDO)) $actualPDO = null;
}
}
/**
@ -105,9 +111,6 @@ class Custom
public static function scalar(string $query, array $parameters, Mapper $mapper, ?PDO $pdo = null): mixed
{
$stmt = self::runQuery($query, $parameters, $pdo ?? Configuration::dbConn());
if ($stmt->errorCode()) {
throw new DocumentException('Error retrieving scalar value: ' . $stmt->errorCode());
}
if ($stmt->rowCount() > 0) {
$first = $stmt->fetch(PDO::FETCH_NUM);
return $first ? $mapper->map($first) : false;

18
src/DocumentList.php
View File

@ -13,16 +13,16 @@ use PDOStatement;
*
* @template TDoc The domain class for items returned by this list
*/
readonly class DocumentList
class DocumentList
{
/**
* Constructor
*
* @param PDO $pdo The database connection against which the query was opened
* @param PDOStatement $result The result of the query
* @param PDO|null $pdo The database connection against which the query was opened
* @param PDOStatement|null $result The result of the query
* @param Mapper<TDoc> $mapper The mapper to deserialize JSON
*/
private function __construct(private PDO $pdo, private PDOStatement $result, private Mapper $mapper) { }
private function __construct(private ?PDO $pdo, private ?PDOStatement $result, private Mapper $mapper) { }
/**
* Construct a new document list
@ -35,12 +35,8 @@ readonly class DocumentList
*/
public static function create(string $query, array $parameters, Mapper $mapper): static
{
$pdo = Configuration::dbConn();
$stmt = Custom::runQuery($query, $parameters, $pdo);
if ($stmt->errorCode()) {
throw new DocumentException('Error retrieving data: ' . $stmt->errorCode());
}
return new static($pdo, $stmt, $mapper);
$pdo = Configuration::dbConn();
return new static($pdo, Custom::runQuery($query, $parameters, $pdo), $mapper);
}
/**
@ -53,5 +49,7 @@ readonly class DocumentList
if ($this->result) {
while ($row = $this->result->fetch(PDO::FETCH_ASSOC)) yield $this->mapper->map($row);
}
$this->result = null;
$this->pdo = null;
}
}