increase max_allowed_packet for geology queries;

src/FACT_mine.jl

@@ -21,6 +21,10 @@ This example retrieves geology data for two geographic areas in the "US" region
 
 """
 function geology_full(conn::MySQL.Connection, selection::Dict)
+    # temporarily increase max_allowed_packet
+    size_query = "SET GLOBAL max_allowed_packet=1073741824;" #Sets max_allowed_packet to 1GB
+    DBInterface.execute(conn, size_query)
+    
     # getting valuable info from dictionary
     geo_id = selection["geo_id"]
     shape_obj = selection["shape_obj"]