ABAP Select data from SAP table CIF_ERPFFF into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CIF_ERPFFF table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to CIF_ERPFFF. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the CIF_ERPFFF table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_CIF_ERPFFF TYPE STANDARD TABLE OF CIF_ERPFFF,
      WA_CIF_ERPFFF TYPE CIF_ERPFFF,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: <CIF_ERPFFF> TYPE CIF_ERPFFF.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_CIF_ERPFFF.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM CIF_ERPFFF
  INTO TABLE IT_CIF_ERPFFF.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CIF_ERPFFF
*  INTO TABLE @DATA(IT_CIF_ERPFFF2).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_CIF_ERPFFF INDEX 1 INTO DATA(WA_CIF_ERPFFF2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_CIF_ERPFFF ASSIGNING <CIF_ERPFFF>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CIF_ERPFFF>-MATNR = 1.
<CIF_ERPFFF>-MATNR_DESCR = 1.
<CIF_ERPFFF>-PICCAT = 1.
<CIF_ERPFFF>-PICCAT_DESCR = 1.
<CIF_ERPFFF>-PICCODE = 1.

ENDLOOP.

LOOP AT IT_CIF_ERPFFF INTO WA_CIF_ERPFFF.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CIF_ERPFFF-IMATN, sy-vline,
  WA_CIF_ERPFFF-IMATN_DESCR, sy-vline,
  WA_CIF_ERPFFF-PICNUM, sy-vline,
  WA_CIF_ERPFFF-MRPGR, sy-vline,
  WA_CIF_ERPFFF-LMATN, sy-vline,
  WA_CIF_ERPFFF-MFRPN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CIF_ERPFFF you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_CIF_ERPFFF TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_CIF_ERPFFF INTO WA_CIF_ERPFFF.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_CIF_ERPFFF-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CIF_ERPFFF-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field IMATN
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_CIF_ERPFFF-IMATN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CIF_ERPFFF-IMATN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PICNUM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CIF_ERPFFF-PICNUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CIF_ERPFFF-PICNUM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field LMATN
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_CIF_ERPFFF-LMATN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CIF_ERPFFF-LMATN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CIF_ERPFFF-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CIF_ERPFFF-MEINS.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_CIF_ERPFFF_STR, 
MATNR TYPE STRING,
MATNR_DESCR TYPE STRING,
PICCAT TYPE STRING,
PICCAT_DESCR TYPE STRING,
PICCODE TYPE STRING,
IMATN TYPE STRING,
IMATN_DESCR TYPE STRING,
PICNUM TYPE STRING,
MRPGR TYPE STRING,
LMATN TYPE STRING,
MFRPN TYPE STRING,
EMNFR TYPE STRING,
WERKS TYPE STRING,
LGORT TYPE STRING,
BERID TYPE STRING,
CHARG TYPE STRING,
ATPMNG TYPE STRING,
MEINS TYPE STRING,
MRPSET TYPE STRING,
PICCODE_DESCR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CIF_ERPFFF_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_CIF_ERPFFF_STR-MATNR sy-vline 
WA_CIF_ERPFFF_STR-MATNR_DESCR sy-vline 
WA_CIF_ERPFFF_STR-PICCAT sy-vline 
WA_CIF_ERPFFF_STR-PICCAT_DESCR sy-vline 
WA_CIF_ERPFFF_STR-PICCODE sy-vline 
WA_CIF_ERPFFF_STR-IMATN sy-vline 
WA_CIF_ERPFFF_STR-IMATN_DESCR sy-vline 
WA_CIF_ERPFFF_STR-PICNUM sy-vline 
WA_CIF_ERPFFF_STR-MRPGR sy-vline 
WA_CIF_ERPFFF_STR-LMATN sy-vline 
WA_CIF_ERPFFF_STR-MFRPN sy-vline 
WA_CIF_ERPFFF_STR-EMNFR sy-vline 
WA_CIF_ERPFFF_STR-WERKS sy-vline 
WA_CIF_ERPFFF_STR-LGORT sy-vline 
WA_CIF_ERPFFF_STR-BERID sy-vline 
WA_CIF_ERPFFF_STR-CHARG sy-vline 
WA_CIF_ERPFFF_STR-ATPMNG sy-vline 
WA_CIF_ERPFFF_STR-MEINS sy-vline 
WA_CIF_ERPFFF_STR-MRPSET sy-vline 
WA_CIF_ERPFFF_STR-PICCODE_DESCR sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.