ABAP Select data from SAP table RPLPBSQ4_ALV2 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RPLPBSQ4_ALV2 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 RPLPBSQ4_ALV2. 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 RPLPBSQ4_ALV2 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_RPLPBSQ4_ALV2 TYPE STANDARD TABLE OF RPLPBSQ4_ALV2,
      WA_RPLPBSQ4_ALV2 TYPE RPLPBSQ4_ALV2,
      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: <RPLPBSQ4_ALV2> TYPE RPLPBSQ4_ALV2.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_RPLPBSQ4_ALV2.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM RPLPBSQ4_ALV2
  INTO TABLE IT_RPLPBSQ4_ALV2.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RPLPBSQ4_ALV2
*  INTO TABLE @DATA(IT_RPLPBSQ4_ALV22).
*--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_RPLPBSQ4_ALV2 INDEX 1 INTO DATA(WA_RPLPBSQ4_ALV22).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_RPLPBSQ4_ALV2 ASSIGNING <RPLPBSQ4_ALV2>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RPLPBSQ4_ALV2>-DETID = 1.
<RPLPBSQ4_ALV2>-PERNR = 1.
<RPLPBSQ4_ALV2>-FIL03 = 1.
<RPLPBSQ4_ALV2>-VORNA = 1.
<RPLPBSQ4_ALV2>-NACHN = 1.

ENDLOOP.

LOOP AT IT_RPLPBSQ4_ALV2 INTO WA_RPLPBSQ4_ALV2.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RPLPBSQ4_ALV2-ANREX, sy-vline,
  WA_RPLPBSQ4_ALV2-BGDAT, sy-vline,
  WA_RPLPBSQ4_ALV2-GESCH, sy-vline,
  WA_RPLPBSQ4_ALV2-ABORG, sy-vline,
  WA_RPLPBSQ4_ALV2-CNTRY, sy-vline,
  WA_RPLPBSQ4_ALV2-ARRDT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RPLPBSQ4_ALV2 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_RPLPBSQ4_ALV2 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_RPLPBSQ4_ALV2 INTO WA_RPLPBSQ4_ALV2.


*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 PDATE, internal->external for field BGDAT
CALL FUNCTION 'CONVERSION_EXIT_PDATE_OUTPUT'
  EXPORTING
    input =                      WA_RPLPBSQ4_ALV2-BGDAT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RPLPBSQ4_ALV2-BGDAT.
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_RPLPBSQ4_ALV2_STR, 
DETID TYPE STRING,
PERNR TYPE STRING,
FIL03 TYPE STRING,
VORNA TYPE STRING,
NACHN TYPE STRING,
ANREX TYPE STRING,
BGDAT TYPE STRING,
GESCH TYPE STRING,
ABORG TYPE STRING,
CNTRY TYPE STRING,
ARRDT TYPE STRING,
FSLNG TYPE STRING,
MSLNG TYPE STRING,
MFLNG TYPE STRING,
FFLNG TYPE STRING,
DISAP TYPE STRING,
FIL17 TYPE STRING,
FIL18 TYPE STRING,
TAMIN TYPE STRING,
TAMAX TYPE STRING,
TBETRG TYPE STRING,
EMAIL_ADDR TYPE STRING,
SLABS TYPE STRING,
SLTP1 TYPE STRING,
SLTP2 TYPE STRING,
ENDDA TYPE STRING,
SLAND TYPE STRING,
HIRED TYPE STRING,
PERMI TYPE STRING,
WOSTD TYPE STRING,
APSMIN TYPE STRING,
APSMAX TYPE STRING,
FIL33 TYPE STRING,
PSTLZ TYPE STRING,
BETRG TYPE STRING,
MOVEC TYPE STRING,
MOVED TYPE STRING,
MATER TYPE STRING,
OPIOP TYPE STRING,
BRANC TYPE STRING,
JFCOD TYPE STRING,
FIL42 TYPE STRING,
AGNCD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RPLPBSQ4_ALV2_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_RPLPBSQ4_ALV2_STR-DETID sy-vline 
WA_RPLPBSQ4_ALV2_STR-PERNR sy-vline 
WA_RPLPBSQ4_ALV2_STR-FIL03 sy-vline 
WA_RPLPBSQ4_ALV2_STR-VORNA sy-vline 
WA_RPLPBSQ4_ALV2_STR-NACHN sy-vline 
WA_RPLPBSQ4_ALV2_STR-ANREX sy-vline 
WA_RPLPBSQ4_ALV2_STR-BGDAT sy-vline 
WA_RPLPBSQ4_ALV2_STR-GESCH sy-vline 
WA_RPLPBSQ4_ALV2_STR-ABORG sy-vline 
WA_RPLPBSQ4_ALV2_STR-CNTRY sy-vline 
WA_RPLPBSQ4_ALV2_STR-ARRDT sy-vline 
WA_RPLPBSQ4_ALV2_STR-FSLNG sy-vline 
WA_RPLPBSQ4_ALV2_STR-MSLNG sy-vline 
WA_RPLPBSQ4_ALV2_STR-MFLNG sy-vline 
WA_RPLPBSQ4_ALV2_STR-FFLNG sy-vline 
WA_RPLPBSQ4_ALV2_STR-DISAP sy-vline 
WA_RPLPBSQ4_ALV2_STR-FIL17 sy-vline 
WA_RPLPBSQ4_ALV2_STR-FIL18 sy-vline 
WA_RPLPBSQ4_ALV2_STR-TAMIN sy-vline 
WA_RPLPBSQ4_ALV2_STR-TAMAX sy-vline 
WA_RPLPBSQ4_ALV2_STR-TBETRG sy-vline 
WA_RPLPBSQ4_ALV2_STR-EMAIL_ADDR sy-vline 
WA_RPLPBSQ4_ALV2_STR-SLABS sy-vline 
WA_RPLPBSQ4_ALV2_STR-SLTP1 sy-vline 
WA_RPLPBSQ4_ALV2_STR-SLTP2 sy-vline 
WA_RPLPBSQ4_ALV2_STR-ENDDA sy-vline 
WA_RPLPBSQ4_ALV2_STR-SLAND sy-vline 
WA_RPLPBSQ4_ALV2_STR-HIRED sy-vline 
WA_RPLPBSQ4_ALV2_STR-PERMI sy-vline 
WA_RPLPBSQ4_ALV2_STR-WOSTD sy-vline 
WA_RPLPBSQ4_ALV2_STR-APSMIN sy-vline 
WA_RPLPBSQ4_ALV2_STR-APSMAX sy-vline 
WA_RPLPBSQ4_ALV2_STR-FIL33 sy-vline 
WA_RPLPBSQ4_ALV2_STR-PSTLZ sy-vline 
WA_RPLPBSQ4_ALV2_STR-BETRG sy-vline 
WA_RPLPBSQ4_ALV2_STR-MOVEC sy-vline 
WA_RPLPBSQ4_ALV2_STR-MOVED sy-vline 
WA_RPLPBSQ4_ALV2_STR-MATER sy-vline 
WA_RPLPBSQ4_ALV2_STR-OPIOP sy-vline 
WA_RPLPBSQ4_ALV2_STR-BRANC sy-vline 
WA_RPLPBSQ4_ALV2_STR-JFCOD sy-vline 
WA_RPLPBSQ4_ALV2_STR-FIL42 sy-vline 
WA_RPLPBSQ4_ALV2_STR-AGNCD sy-vline      INTO ld_text SEPARATED BY SPACE.

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