ABAP Select data from SAP table /BEV1/EMAUSSL_S into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /BEV1/EMAUSSL_S 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 /BEV1/EMAUSSL_S. 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 /BEV1/EMAUSSL_S 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_/BEV1/EMAUSSL_S TYPE STANDARD TABLE OF /BEV1/EMAUSSL_S,
      WA_/BEV1/EMAUSSL_S TYPE /BEV1/EMAUSSL_S,
      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: </BEV1/EMAUSSL_S> TYPE /BEV1/EMAUSSL_S.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/BEV1/EMAUSSL_S.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /BEV1/EMAUSSL_S
  INTO TABLE IT_/BEV1/EMAUSSL_S.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /BEV1/EMAUSSL_S
*  INTO TABLE @DATA(IT_/BEV1/EMAUSSL_S2).
*--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_/BEV1/EMAUSSL_S INDEX 1 INTO DATA(WA_/BEV1/EMAUSSL_S2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/BEV1/EMAUSSL_S ASSIGNING </BEV1/EMAUSSL_S>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</BEV1/EMAUSSL_S>-PKUNAG = 1.
</BEV1/EMAUSSL_S>-MATNR = 1.
</BEV1/EMAUSSL_S>-MAKTX = 1.
</BEV1/EMAUSSL_S>-F01 = 1.
</BEV1/EMAUSSL_S>-F02 = 1.

ENDLOOP.

LOOP AT IT_/BEV1/EMAUSSL_S INTO WA_/BEV1/EMAUSSL_S.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/BEV1/EMAUSSL_S-F03, sy-vline,
  WA_/BEV1/EMAUSSL_S-F04, sy-vline,
  WA_/BEV1/EMAUSSL_S-F05, sy-vline,
  WA_/BEV1/EMAUSSL_S-F07, sy-vline,
  WA_/BEV1/EMAUSSL_S-F08, sy-vline,
  WA_/BEV1/EMAUSSL_S-F09, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/BEV1/EMAUSSL_S 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_/BEV1/EMAUSSL_S 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_/BEV1/EMAUSSL_S INTO WA_/BEV1/EMAUSSL_S.


*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 ALPHA, internal->external for field PKUNAG
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/BEV1/EMAUSSL_S-PKUNAG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV1/EMAUSSL_S-PKUNAG.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/BEV1/EMAUSSL_S-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV1/EMAUSSL_S-MATNR.
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_/BEV1/EMAUSSL_S_STR, 
PKUNAG TYPE STRING,
MATNR TYPE STRING,
MAKTX TYPE STRING,
F01 TYPE STRING,
F02 TYPE STRING,
F03 TYPE STRING,
F04 TYPE STRING,
F05 TYPE STRING,
F07 TYPE STRING,
F08 TYPE STRING,
F09 TYPE STRING,
F10 TYPE STRING,
F11 TYPE STRING,
F12 TYPE STRING,
F13 TYPE STRING,
F14 TYPE STRING,
F15 TYPE STRING,
F16 TYPE STRING,
F17 TYPE STRING,
F18 TYPE STRING,
F19 TYPE STRING,
F20 TYPE STRING,
F21 TYPE STRING,
F22 TYPE STRING,
F23 TYPE STRING,
F24 TYPE STRING,
F25 TYPE STRING,
F26 TYPE STRING,
F27 TYPE STRING,
F28 TYPE STRING,
F29 TYPE STRING,
F30 TYPE STRING,
F31 TYPE STRING,
F32 TYPE STRING,
F33 TYPE STRING,
F34 TYPE STRING,
F35 TYPE STRING,
F36 TYPE STRING,
F37 TYPE STRING,
F38 TYPE STRING,
F39 TYPE STRING,
F40 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/BEV1/EMAUSSL_S_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_/BEV1/EMAUSSL_S_STR-PKUNAG sy-vline 
WA_/BEV1/EMAUSSL_S_STR-MATNR sy-vline 
WA_/BEV1/EMAUSSL_S_STR-MAKTX sy-vline 
WA_/BEV1/EMAUSSL_S_STR-F01 sy-vline 
WA_/BEV1/EMAUSSL_S_STR-F02 sy-vline 
WA_/BEV1/EMAUSSL_S_STR-F03 sy-vline 
WA_/BEV1/EMAUSSL_S_STR-F04 sy-vline 
WA_/BEV1/EMAUSSL_S_STR-F05 sy-vline 
WA_/BEV1/EMAUSSL_S_STR-F07 sy-vline 
WA_/BEV1/EMAUSSL_S_STR-F08 sy-vline 
WA_/BEV1/EMAUSSL_S_STR-F09 sy-vline 
WA_/BEV1/EMAUSSL_S_STR-F10 sy-vline 
WA_/BEV1/EMAUSSL_S_STR-F11 sy-vline 
WA_/BEV1/EMAUSSL_S_STR-F12 sy-vline 
WA_/BEV1/EMAUSSL_S_STR-F13 sy-vline 
WA_/BEV1/EMAUSSL_S_STR-F14 sy-vline 
WA_/BEV1/EMAUSSL_S_STR-F15 sy-vline 
WA_/BEV1/EMAUSSL_S_STR-F16 sy-vline 
WA_/BEV1/EMAUSSL_S_STR-F17 sy-vline 
WA_/BEV1/EMAUSSL_S_STR-F18 sy-vline 
WA_/BEV1/EMAUSSL_S_STR-F19 sy-vline 
WA_/BEV1/EMAUSSL_S_STR-F20 sy-vline 
WA_/BEV1/EMAUSSL_S_STR-F21 sy-vline 
WA_/BEV1/EMAUSSL_S_STR-F22 sy-vline 
WA_/BEV1/EMAUSSL_S_STR-F23 sy-vline 
WA_/BEV1/EMAUSSL_S_STR-F24 sy-vline 
WA_/BEV1/EMAUSSL_S_STR-F25 sy-vline 
WA_/BEV1/EMAUSSL_S_STR-F26 sy-vline 
WA_/BEV1/EMAUSSL_S_STR-F27 sy-vline 
WA_/BEV1/EMAUSSL_S_STR-F28 sy-vline 
WA_/BEV1/EMAUSSL_S_STR-F29 sy-vline 
WA_/BEV1/EMAUSSL_S_STR-F30 sy-vline 
WA_/BEV1/EMAUSSL_S_STR-F31 sy-vline 
WA_/BEV1/EMAUSSL_S_STR-F32 sy-vline 
WA_/BEV1/EMAUSSL_S_STR-F33 sy-vline 
WA_/BEV1/EMAUSSL_S_STR-F34 sy-vline 
WA_/BEV1/EMAUSSL_S_STR-F35 sy-vline 
WA_/BEV1/EMAUSSL_S_STR-F36 sy-vline 
WA_/BEV1/EMAUSSL_S_STR-F37 sy-vline 
WA_/BEV1/EMAUSSL_S_STR-F38 sy-vline 
WA_/BEV1/EMAUSSL_S_STR-F39 sy-vline 
WA_/BEV1/EMAUSSL_S_STR-F40 sy-vline      INTO ld_text SEPARATED BY SPACE.

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