fixing MySQL duration and size parameters

src/utilsDB.jl

@@ -202,10 +202,9 @@ Establish a connection to a MySQL/MariaDB database.
 """
 function establish_connection(host::String, user::String, password::String, dbname::String; port::Int=3306)
     conn = MySQL.Connection(host, user, password, dbname, port, "nothing")
-     # Temporarily increase max_allowed_packet
-     size_query = "SET SESSION max_allowed_packet=1073741824;"  # Sets max_allowed_packet to 1GB
-     timeout_query = "SET SESSION wait_timeout = 31536000;"     # Sets wait_timeout to 1 year
-     maxtime_query = "SET SESSION max_execution_time = 604800000;"  # Sets max_execution_time to 1 week
+    size_query = "SET GLOBAL max_allowed_packet=1073741824;"  # Sets max_allowed_packet to 1GB
+    timeout_query = "SET SESSION wait_timeout = 31536000;"     # Sets wait_timeout to 1 year
+    maxtime_query = "SET SESSION MAX_STATEMENT_TIME=604800000;"  # Sets max_execution_time to 1 week
      try
          # Execute session variable adjustments
          DBInterface.execute(conn, size_query)