ABAP Select data from SAP table REBD_PS_DEF_L into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM REBD_PS_DEF_L
*  INTO TABLE @DATA(IT_REBD_PS_DEF_L2).
*--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_REBD_PS_DEF_L INDEX 1 INTO DATA(WA_REBD_PS_DEF_L2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<REBD_PS_DEF_L>-INTRENO = 1.
<REBD_PS_DEF_L>-AO1 = 1.
<REBD_PS_DEF_L>-AO2 = 1.
<REBD_PS_DEF_L>-AO3 = 1.
<REBD_PS_DEF_L>-AO4 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_REBD_PS_DEF_L-AO5, sy-vline,
  WA_REBD_PS_DEF_L-AO6, sy-vline,
  WA_REBD_PS_DEF_L-AO7, sy-vline,
  WA_REBD_PS_DEF_L-AO8, sy-vline,
  WA_REBD_PS_DEF_L-AO9, sy-vline,
  WA_REBD_PS_DEF_L-AO10, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_REBD_PS_DEF_L 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_REBD_PS_DEF_L 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_REBD_PS_DEF_L INTO WA_REBD_PS_DEF_L.


*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 CUNIT, internal->external for field MEAS1UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_REBD_PS_DEF_L-MEAS1UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REBD_PS_DEF_L-MEAS1UNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEAS2UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_REBD_PS_DEF_L-MEAS2UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REBD_PS_DEF_L-MEAS2UNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SWENR, internal->external for field ROISBE
CALL FUNCTION 'CONVERSION_EXIT_SWENR_OUTPUT'
  EXPORTING
    input =                      WA_REBD_PS_DEF_L-ROISBE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REBD_PS_DEF_L-ROISBE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SGENR, internal->external for field ROISBU
CALL FUNCTION 'CONVERSION_EXIT_SGENR_OUTPUT'
  EXPORTING
    input =                      WA_REBD_PS_DEF_L-ROISBU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REBD_PS_DEF_L-ROISBU.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SGRNR, internal->external for field ROISPR
CALL FUNCTION 'CONVERSION_EXIT_SGRNR_OUTPUT'
  EXPORTING
    input =                      WA_REBD_PS_DEF_L-ROISPR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REBD_PS_DEF_L-ROISPR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SMENR, internal->external for field ROISRO
CALL FUNCTION 'CONVERSION_EXIT_SMENR_OUTPUT'
  EXPORTING
    input =                      WA_REBD_PS_DEF_L-ROISRO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REBD_PS_DEF_L-ROISRO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SWENR, internal->external for field ROPLANBE
CALL FUNCTION 'CONVERSION_EXIT_SWENR_OUTPUT'
  EXPORTING
    input =                      WA_REBD_PS_DEF_L-ROPLANBE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REBD_PS_DEF_L-ROPLANBE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SGENR, internal->external for field ROPLANBU
CALL FUNCTION 'CONVERSION_EXIT_SGENR_OUTPUT'
  EXPORTING
    input =                      WA_REBD_PS_DEF_L-ROPLANBU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REBD_PS_DEF_L-ROPLANBU.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SGRNR, internal->external for field ROPLANPR
CALL FUNCTION 'CONVERSION_EXIT_SGRNR_OUTPUT'
  EXPORTING
    input =                      WA_REBD_PS_DEF_L-ROPLANPR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REBD_PS_DEF_L-ROPLANPR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SMENR, internal->external for field ROPLANRO
CALL FUNCTION 'CONVERSION_EXIT_SMENR_OUTPUT'
  EXPORTING
    input =                      WA_REBD_PS_DEF_L-ROPLANRO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REBD_PS_DEF_L-ROPLANRO.
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_REBD_PS_DEF_L_STR, 
INTRENO TYPE STRING,
AO1 TYPE STRING,
AO2 TYPE STRING,
AO3 TYPE STRING,
AO4 TYPE STRING,
AO5 TYPE STRING,
AO6 TYPE STRING,
AO7 TYPE STRING,
AO8 TYPE STRING,
AO9 TYPE STRING,
AO10 TYPE STRING,
AO11 TYPE STRING,
AO12 TYPE STRING,
AOTYPE TYPE STRING,
XMAOTYPE TYPE STRING,
XAO TYPE STRING,
MEAS1 TYPE STRING,
MEAS1UNIT TYPE STRING,
MEAS2 TYPE STRING,
MEAS2UNIT TYPE STRING,
PSEXISTS TYPE STRING,
ROISOBJNR TYPE STRING,
ROISBE TYPE STRING,
ROISBU TYPE STRING,
ROISPR TYPE STRING,
ROISRO TYPE STRING,
ROISTXT TYPE STRING,
ROISIDENT TYPE STRING,
ROISROTYPE TYPE STRING,
ROISUSAGETYPE TYPE STRING,
ROISUSAGETXT TYPE STRING,
ROPLANOBJNR TYPE STRING,
ROPLANBE TYPE STRING,
ROPLANBU TYPE STRING,
ROPLANPR TYPE STRING,
ROPLANRO TYPE STRING,
ROPLANTXT TYPE STRING,
ROPLANIDENT TYPE STRING,
ROPLANROTYPE TYPE STRING,
ROPLANUSAGETYPE TYPE STRING,
ROPLANUSAGETXT TYPE STRING,
ROPLANVALIDFROM TYPE STRING,
ASSAOTYPE TYPE STRING,
ASSXMAOTYPE TYPE STRING,
IDENTAO TYPE STRING,
ICONAO TYPE STRING,
INACTIVE TYPE STRING,
OBJNRUO TYPE STRING,
IDENTUO TYPE STRING,
LINKSUBAO TYPE STRING,
CELLTAB TYPE STRING,END OF T_EKKO_STR.
DATA: WA_REBD_PS_DEF_L_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_REBD_PS_DEF_L_STR-INTRENO sy-vline 
WA_REBD_PS_DEF_L_STR-AO1 sy-vline 
WA_REBD_PS_DEF_L_STR-AO2 sy-vline 
WA_REBD_PS_DEF_L_STR-AO3 sy-vline 
WA_REBD_PS_DEF_L_STR-AO4 sy-vline 
WA_REBD_PS_DEF_L_STR-AO5 sy-vline 
WA_REBD_PS_DEF_L_STR-AO6 sy-vline 
WA_REBD_PS_DEF_L_STR-AO7 sy-vline 
WA_REBD_PS_DEF_L_STR-AO8 sy-vline 
WA_REBD_PS_DEF_L_STR-AO9 sy-vline 
WA_REBD_PS_DEF_L_STR-AO10 sy-vline 
WA_REBD_PS_DEF_L_STR-AO11 sy-vline 
WA_REBD_PS_DEF_L_STR-AO12 sy-vline 
WA_REBD_PS_DEF_L_STR-AOTYPE sy-vline 
WA_REBD_PS_DEF_L_STR-XMAOTYPE sy-vline 
WA_REBD_PS_DEF_L_STR-XAO sy-vline 
WA_REBD_PS_DEF_L_STR-MEAS1 sy-vline 
WA_REBD_PS_DEF_L_STR-MEAS1UNIT sy-vline 
WA_REBD_PS_DEF_L_STR-MEAS2 sy-vline 
WA_REBD_PS_DEF_L_STR-MEAS2UNIT sy-vline 
WA_REBD_PS_DEF_L_STR-PSEXISTS sy-vline 
WA_REBD_PS_DEF_L_STR-ROISOBJNR sy-vline 
WA_REBD_PS_DEF_L_STR-ROISBE sy-vline 
WA_REBD_PS_DEF_L_STR-ROISBU sy-vline 
WA_REBD_PS_DEF_L_STR-ROISPR sy-vline 
WA_REBD_PS_DEF_L_STR-ROISRO sy-vline 
WA_REBD_PS_DEF_L_STR-ROISTXT sy-vline 
WA_REBD_PS_DEF_L_STR-ROISIDENT sy-vline 
WA_REBD_PS_DEF_L_STR-ROISROTYPE sy-vline 
WA_REBD_PS_DEF_L_STR-ROISUSAGETYPE sy-vline 
WA_REBD_PS_DEF_L_STR-ROISUSAGETXT sy-vline 
WA_REBD_PS_DEF_L_STR-ROPLANOBJNR sy-vline 
WA_REBD_PS_DEF_L_STR-ROPLANBE sy-vline 
WA_REBD_PS_DEF_L_STR-ROPLANBU sy-vline 
WA_REBD_PS_DEF_L_STR-ROPLANPR sy-vline 
WA_REBD_PS_DEF_L_STR-ROPLANRO sy-vline 
WA_REBD_PS_DEF_L_STR-ROPLANTXT sy-vline 
WA_REBD_PS_DEF_L_STR-ROPLANIDENT sy-vline 
WA_REBD_PS_DEF_L_STR-ROPLANROTYPE sy-vline 
WA_REBD_PS_DEF_L_STR-ROPLANUSAGETYPE sy-vline 
WA_REBD_PS_DEF_L_STR-ROPLANUSAGETXT sy-vline 
WA_REBD_PS_DEF_L_STR-ROPLANVALIDFROM sy-vline 
WA_REBD_PS_DEF_L_STR-ASSAOTYPE sy-vline 
WA_REBD_PS_DEF_L_STR-ASSXMAOTYPE sy-vline 
WA_REBD_PS_DEF_L_STR-IDENTAO sy-vline 
WA_REBD_PS_DEF_L_STR-ICONAO sy-vline 
WA_REBD_PS_DEF_L_STR-INACTIVE sy-vline 
WA_REBD_PS_DEF_L_STR-OBJNRUO sy-vline 
WA_REBD_PS_DEF_L_STR-IDENTUO sy-vline 
WA_REBD_PS_DEF_L_STR-LINKSUBAO sy-vline 
WA_REBD_PS_DEF_L_STR-CELLTAB sy-vline      INTO ld_text SEPARATED BY SPACE.

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