This method allows data to be read from the data sources of the OpenInformation Warehouse (OIW). You can restrict the scope of the dataread by defining selection criteria and by specifying the number ofcolumns (that is, information objects of the OIW metadata) you require.
Before reading the data, the system performs all authorization checksthat are also checked when the data sources are accessed from R/3.
The information objects and data sources that are used in this method
for the parameters DATA_SOURCE, SELECTION and COLUMNS_TO_READ can be read beforehand using the method BAPI_OIW_GET_CATALOG.
Messages are returned in the parameter RETURN. You can find the return codes and their meaning in this parameter documentation.