added additional error message to is_disconnect() for Firebird dialects

Added additional "disconnect" message "Error writing data to the
connection" to Firebird disconnection detection.  Pull request courtesy
lukens.

Fixes: #4903
Closes: #4904
Pull-request: https://github.com/sqlalchemy/sqlalchemy/pull/4904
Pull-request-sha: c56d7c4abf6b6c8263efaf070b4e7a319e12a875

Change-Id: Ib70c20c616e7519b933fee587a3b3e8dbb4c2f81
(cherry picked from commit 31e3fc94ad268cf762f564209113d66221b04b42)

diff --git a/doc/build/changelog/unreleased_13/4903.rst b/doc/build/changelog/unreleased_13/4903.rst
new file mode 100644 (file)
index 0000000..d6d2850
--- /dev/null
+++ b/doc/build/changelog/unreleased_13/4903.rst
@@ -0,0 +1,7 @@
+.. change::
+    :tags: bug, firebird
+    :tickets: 4903
+
+    Added additional "disconnect" message "Error writing data to the
+    connection" to Firebird disconnection detection.  Pull request courtesy
+    lukens.

diff --git a/lib/sqlalchemy/dialects/firebird/kinterbasdb.py b/lib/sqlalchemy/dialects/firebird/kinterbasdb.py
index 9880ee89f36ff93befdbef002ff1a77ec8e87649..3312aeeaeafb05555ff5444c0aefd88682a1baa6 100644 (file)
--- a/lib/sqlalchemy/dialects/firebird/kinterbasdb.py
+++ b/lib/sqlalchemy/dialects/firebird/kinterbasdb.py
@@ -188,7 +188,8 @@ class FBDialect_kinterbasdb(FBDialect):
         ):
             msg = str(e)
             return (
-                "Unable to complete network request to host" in msg
+                "Error writing data to the connection" in msg
+                or "Unable to complete network request to host" in msg
                 or "Invalid connection state" in msg
                 or "Invalid cursor state" in msg
                 or "connection shutdown" in msg