Added keep-alive support for SSH sessions when connecting to a PostgreSQL server via an SSH tunnel. #7016

web/migrations/versions/ec0f11f9a4e6_.py

@@ -0,0 +1,36 @@
+##########################################################################
+#
+# pgAdmin 4 - PostgreSQL Tools
+#
+# Copyright (C) 2013 - 2023, The pgAdmin Development Team
+# This software is released under the PostgreSQL Licence
+#
+##########################################################################
+
+"""
+
+Revision ID: ec0f11f9a4e6
+Revises: 44926ac97232
+Create Date: 2023-12-18 17:09:34.499652
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+# revision identifiers, used by Alembic.
+revision = 'ec0f11f9a4e6'
+down_revision = '44926ac97232'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.add_column('server', sa.Column('tunnel_keep_alive', sa.Integer(),
+                                      server_default='0'))
+    op.add_column('sharedserver', sa.Column('tunnel_keep_alive', sa.Integer(),
+                                            server_default='0'))
+
+
+def downgrade():
+    # pgAdmin only upgrades, downgrade not implemented.
+    pass