[#2773] Update Hammer queries

Author: fivitti

hammer.py

@@ -1556,9 +1556,8 @@ def _configure_pgsql(system, revision, features):
     execute(cmd, cwd='/tmp')
 
     # This is needed for postgres >= 15
-    cmd = """bash -c \"cat <<EOF | sudo -u postgres psql postgres
-        GRANT ALL ON DATABASE keatest TO keatest;
-        ALTER DATABASE keatest OWNER TO keatest;\n"""
+    cmd = """bash -c \"cat <<EOF | sudo -u postgres psql -U postgres -d keatest
+        GRANT ALL PRIVILEGES ON SCHEMA public TO keatest;\n"""
     cmd += 'EOF\n"'
     execute(cmd, cwd='/tmp')