patch_ppns_in_databases.cc: Reset batch_size on new transaction
patch_ppns_in_databases.cc: Reset batch_size on new transaction

ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools,ubtue/ub_tools