Internal table structure required for FM 'REUSE_ALV_FIELDCATALOG_MERGE'

*-------------------------------------------------------------*
*   INCLUDE ZDEMO_ALVGRID_STRUCTURE                           *
*-------------------------------------------------------------*
*
data: begin of it_ekko_alt occurs 0,
  ebeln type ekpo-ebeln,
  ebelp type ekpo-ebelp,
  statu type ekpo-statu,
  aedat type ekpo-aedat,
  matnr type ekpo-matnr,
  menge type ekpo-menge,
  mains type ekpo-meins,
  netpr type ekpo-netpr,
  peinh type ekpo-peinh,
  end of it_ekko_alt.