ABAP Select data from SAP table S955E into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP S955E 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 S955E. 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 S955E 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_S955E TYPE STANDARD TABLE OF S955E,
      WA_S955E TYPE S955E,
      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: <S955E> TYPE S955E.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_S955E.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM S955E
  INTO TABLE IT_S955E.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM S955E
*  INTO TABLE @DATA(IT_S955E2).
*--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_S955E INDEX 1 INTO DATA(WA_S955E2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_S955E ASSIGNING <S955E>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<S955E>-MANDT = 1.
<S955E>-SSOUR = 1.
<S955E>-EKORG = 1.
<S955E>-VKORG = 1.
<S955E>-VTWEG = 1.

ENDLOOP.

LOOP AT IT_S955E INTO WA_S955E.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_S955E-MATKL, sy-vline,
  WA_S955E-FILGRP, sy-vline,
  WA_S955E-MATNR, sy-vline,
  WA_S955E-WERKS, sy-vline,
  WA_S955E-WGRU2, sy-vline,
  WA_S955E-WGRU1, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_S955E 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_S955E 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_S955E INTO WA_S955E.


*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_S955E-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_S955E-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field PLMHT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_S955E-PLMHT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_S955E-PLMHT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field VRKME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_S955E-VRKME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_S955E-VRKME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field BASME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_S955E-BASME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_S955E-BASME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field GEWEI
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_S955E-GEWEI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_S955E-GEWEI.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field BSTME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_S955E-BSTME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_S955E-BSTME.
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_S955E_STR, 
MANDT TYPE STRING,
SSOUR TYPE STRING,
EKORG TYPE STRING,
VKORG TYPE STRING,
VTWEG TYPE STRING,
MATKL TYPE STRING,
FILGRP TYPE STRING,
MATNR TYPE STRING,
WERKS TYPE STRING,
WGRU2 TYPE STRING,
WGRU1 TYPE STRING,
PLMHT TYPE STRING,
WAERK TYPE STRING,
VRKME TYPE STRING,
HWAER TYPE STRING,
BSTWA TYPE STRING,
BASME TYPE STRING,
GEWEI TYPE STRING,
BSTME TYPE STRING,
UPLMHT TYPE STRING,
UWAERK TYPE STRING,
UVRKME TYPE STRING,
UHWAER TYPE STRING,
UBSTWA TYPE STRING,
UBASME TYPE STRING,
UGEWEI TYPE STRING,
UBSTME TYPE STRING,
PLOBJ TYPE STRING,
PERKZ TYPE STRING,
PERIV TYPE STRING,
PLTKZ TYPE STRING,
ANTEI TYPE STRING,END OF T_EKKO_STR.
DATA: WA_S955E_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_S955E_STR-MANDT sy-vline 
WA_S955E_STR-SSOUR sy-vline 
WA_S955E_STR-EKORG sy-vline 
WA_S955E_STR-VKORG sy-vline 
WA_S955E_STR-VTWEG sy-vline 
WA_S955E_STR-MATKL sy-vline 
WA_S955E_STR-FILGRP sy-vline 
WA_S955E_STR-MATNR sy-vline 
WA_S955E_STR-WERKS sy-vline 
WA_S955E_STR-WGRU2 sy-vline 
WA_S955E_STR-WGRU1 sy-vline 
WA_S955E_STR-PLMHT sy-vline 
WA_S955E_STR-WAERK sy-vline 
WA_S955E_STR-VRKME sy-vline 
WA_S955E_STR-HWAER sy-vline 
WA_S955E_STR-BSTWA sy-vline 
WA_S955E_STR-BASME sy-vline 
WA_S955E_STR-GEWEI sy-vline 
WA_S955E_STR-BSTME sy-vline 
WA_S955E_STR-UPLMHT sy-vline 
WA_S955E_STR-UWAERK sy-vline 
WA_S955E_STR-UVRKME sy-vline 
WA_S955E_STR-UHWAER sy-vline 
WA_S955E_STR-UBSTWA sy-vline 
WA_S955E_STR-UBASME sy-vline 
WA_S955E_STR-UGEWEI sy-vline 
WA_S955E_STR-UBSTME sy-vline 
WA_S955E_STR-PLOBJ sy-vline 
WA_S955E_STR-PERKZ sy-vline 
WA_S955E_STR-PERIV sy-vline 
WA_S955E_STR-PLTKZ sy-vline 
WA_S955E_STR-ANTEI sy-vline      INTO ld_text SEPARATED BY SPACE.

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