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Clarify return types of DB::prepare() and DB::query()

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This commit is contained in:
Kijin Sung 2023-09-27 23:33:06 +09:00
parent 63e81751b1
commit 0da9244e33
1 changed files with 6 additions and 3 deletions
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9
common/framework/DB.php
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@ -171,6 +171,9 @@ class DB
* Table names in the FROM or JOIN clause of the statement are
* automatically prefixed with the configured prefix.
*
* Note that this method will throw an exception (DBError) on error,
* instead of returning false or null as legacy functions do.
*
* @param string $statement
* @param array $driver_options
* @return Helpers\DBStmtHelper
@ -205,9 +208,9 @@ class DB
*
* @param string $query_string
* @param mixed ...$args
* @return Helpers\DBStmtHelper
* @return ?Helpers\DBStmtHelper
*/
public function query(string $query_string, ...$args): Helpers\DBStmtHelper
public function query(string $query_string, ...$args): ?Helpers\DBStmtHelper
{
// If query parameters are given as a single array, unpack it.
if (count($args) === 1 && is_array($args[0]))
@ -235,7 +238,7 @@ class DB
{
$this->_last_stmt = $this->_handle->query($query_string);
}
return $this->_last_stmt;
return $this->_last_stmt ?: null;
}
/**