ABAP Select data from SAP table RLMBP_SCPBT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RLMBP_SCPBT
*  INTO TABLE @DATA(IT_RLMBP_SCPBT2).
*--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_RLMBP_SCPBT INDEX 1 INTO DATA(WA_RLMBP_SCPBT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RLMBP_SCPBT>-PGDN = 1.
<RLMBP_SCPBT>-PGUP = 1.
<RLMBP_SCPBT>-PB1 = 1.
<RLMBP_SCPBT>-PB2 = 1.
<RLMBP_SCPBT>-PB3 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RLMBP_SCPBT-PB4, sy-vline,
  WA_RLMBP_SCPBT-PB5, sy-vline,
  WA_RLMBP_SCPBT-PB6, sy-vline,
  WA_RLMBP_SCPBT-PB7, sy-vline,
  WA_RLMBP_SCPBT-PB8, sy-vline,
  WA_RLMBP_SCPBT-PB9, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RLMBP_SCPBT 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_RLMBP_SCPBT 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_RLMBP_SCPBT INTO WA_RLMBP_SCPBT.


*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.
ENDFORM. 

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

TYPES: BEGIN OF T_RLMBP_SCPBT_STR, 
PGDN TYPE STRING,
PGUP TYPE STRING,
PB1 TYPE STRING,
PB2 TYPE STRING,
PB3 TYPE STRING,
PB4 TYPE STRING,
PB5 TYPE STRING,
PB6 TYPE STRING,
PB7 TYPE STRING,
PB8 TYPE STRING,
PB9 TYPE STRING,
PB10 TYPE STRING,
PB11 TYPE STRING,
PB12 TYPE STRING,
PB13 TYPE STRING,
PB14 TYPE STRING,
PB15 TYPE STRING,
PB16 TYPE STRING,
PB17 TYPE STRING,
PB18 TYPE STRING,
PB19 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RLMBP_SCPBT_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_RLMBP_SCPBT_STR-PGDN sy-vline 
WA_RLMBP_SCPBT_STR-PGUP sy-vline 
WA_RLMBP_SCPBT_STR-PB1 sy-vline 
WA_RLMBP_SCPBT_STR-PB2 sy-vline 
WA_RLMBP_SCPBT_STR-PB3 sy-vline 
WA_RLMBP_SCPBT_STR-PB4 sy-vline 
WA_RLMBP_SCPBT_STR-PB5 sy-vline 
WA_RLMBP_SCPBT_STR-PB6 sy-vline 
WA_RLMBP_SCPBT_STR-PB7 sy-vline 
WA_RLMBP_SCPBT_STR-PB8 sy-vline 
WA_RLMBP_SCPBT_STR-PB9 sy-vline 
WA_RLMBP_SCPBT_STR-PB10 sy-vline 
WA_RLMBP_SCPBT_STR-PB11 sy-vline 
WA_RLMBP_SCPBT_STR-PB12 sy-vline 
WA_RLMBP_SCPBT_STR-PB13 sy-vline 
WA_RLMBP_SCPBT_STR-PB14 sy-vline 
WA_RLMBP_SCPBT_STR-PB15 sy-vline 
WA_RLMBP_SCPBT_STR-PB16 sy-vline 
WA_RLMBP_SCPBT_STR-PB17 sy-vline 
WA_RLMBP_SCPBT_STR-PB18 sy-vline 
WA_RLMBP_SCPBT_STR-PB19 sy-vline      INTO ld_text SEPARATED BY SPACE.

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