diff --git a/mysql-connector-python/lib/mysql/connector/pooling.py b/mysql-connector-python/lib/mysql/connector/pooling.py
index a5b3657e..3e9ebd93 100644
--- a/mysql-connector-python/lib/mysql/connector/pooling.py
+++ b/mysql-connector-python/lib/mysql/connector/pooling.py
@@ -439,6 +439,7 @@ def __init__(
pool_size: int = 5,
pool_name: Optional[str] = None,
pool_reset_session: bool = True,
+ pool_timeout: int = 5,
**kwargs: Any,
) -> None:
"""Constructor.
@@ -456,6 +457,10 @@ def __init__(
pool_size: The pool size. If this argument is not given, the default is 5.
pool_reset_session: Whether to reset session variables when the connection
is returned to the pool.
+ pool_timeout: The maximum number of seconds to wait when attempting to retrieve
+ a connection from the pool. If no connection becomes available
+ before the timeout expires, a `PoolError` is raised indicating
+ that the pool is exhausted.
**kwargs: Optional additional connection arguments, as described in [1].
Examples:
@@ -475,6 +480,7 @@ def __init__(
self._pool_size: Optional[int] = None
self._pool_name: Optional[str] = None
self._reset_session = pool_reset_session
+ self._pool_timeout: int = pool_timeout
self._set_pool_size(pool_size)
self._set_pool_name(pool_name or generate_pool_name(**kwargs))
self._cnx_config: Dict[str, Any] = {}
@@ -649,12 +655,12 @@ def get_connection(self) -> PooledMySQLConnection:
Raises:
PoolError: On errors.
"""
+ try:
+ cnx = self._cnx_queue.get(block=True, timeout=self._pool_timeout)
+ except queue.Empty as err:
+ raise PoolError("Failed getting connection; pool exhausted") from err
+
with CONNECTION_POOL_LOCK:
- try:
- cnx = self._cnx_queue.get(block=False)
- except queue.Empty as err:
- raise PoolError("Failed getting connection; pool exhausted") from err
-
if (
not cnx.is_connected()
or self._config_version != cnx.pool_config_version
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