ABAP Select data from SAP table RPBEN_DB into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RPBEN_DB
*  INTO TABLE @DATA(IT_RPBEN_DB2).
*--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_RPBEN_DB INDEX 1 INTO DATA(WA_RPBEN_DB2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RPBEN_DB>-PERNR = 1.
<RPBEN_DB>-BEGDA = 1.
<RPBEN_DB>-ENDDA = 1.
<RPBEN_DB>-SPRPS = 1.
<RPBEN_DB>-BAREA = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RPBEN_DB-BPCAT, sy-vline,
  WA_RPBEN_DB-PLTYP, sy-vline,
  WA_RPBEN_DB-BPLAN, sy-vline,
  WA_RPBEN_DB-PLNNO, sy-vline,
  WA_RPBEN_DB-ELIDT, sy-vline,
  WA_RPBEN_DB-PARDT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RPBEN_DB 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_RPBEN_DB 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_RPBEN_DB INTO WA_RPBEN_DB.


*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_RPBEN_DB_STR, 
PERNR TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
SPRPS TYPE STRING,
BAREA TYPE STRING,
BPCAT TYPE STRING,
PLTYP TYPE STRING,
BPLAN TYPE STRING,
PLNNO TYPE STRING,
ELIDT TYPE STRING,
PARDT TYPE STRING,
ENRTY TYPE STRING,
EVENT TYPE STRING,
ACTIN TYPE STRING,
CURRE TYPE STRING,
PERIO TYPE STRING,
MODEL TYPE STRING,
BCOVR TYPE STRING,
BSCOV TYPE STRING,
COVAM TYPE STRING,
COVOV TYPE STRING,
ADDNO TYPE STRING,
ADDUN TYPE STRING,
BENSL TYPE STRING,
PRETX TYPE STRING,
EECST TYPE STRING,
ERCST TYPE STRING,
ACCST TYPE STRING,
BNCST TYPE STRING,
FLXCR TYPE STRING,
ERNOC TYPE STRING,
EOGRP TYPE STRING,
EOIRQ TYPE STRING,
EOIPR TYPE STRING,
BENYN TYPE STRING,
CTGYN TYPE STRING,
NO_OF_BEN TYPE STRING,
NO_OF_CTG TYPE STRING,
TXT_BAREA TYPE STRING,
TXT_PCATEG TYPE STRING,
TXT_PLTYPE TYPE STRING,
TXT_PLAN TYPE STRING,
TXT_PERIOD TYPE STRING,
TXT_OPTION TYPE STRING,
TXT_MODEL TYPE STRING,
URL_PLTYPE TYPE STRING,
TXT_URLPT TYPE STRING,
URL_PLAN TYPE STRING,
TXT_URLPL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RPBEN_DB_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_RPBEN_DB_STR-PERNR sy-vline 
WA_RPBEN_DB_STR-BEGDA sy-vline 
WA_RPBEN_DB_STR-ENDDA sy-vline 
WA_RPBEN_DB_STR-SPRPS sy-vline 
WA_RPBEN_DB_STR-BAREA sy-vline 
WA_RPBEN_DB_STR-BPCAT sy-vline 
WA_RPBEN_DB_STR-PLTYP sy-vline 
WA_RPBEN_DB_STR-BPLAN sy-vline 
WA_RPBEN_DB_STR-PLNNO sy-vline 
WA_RPBEN_DB_STR-ELIDT sy-vline 
WA_RPBEN_DB_STR-PARDT sy-vline 
WA_RPBEN_DB_STR-ENRTY sy-vline 
WA_RPBEN_DB_STR-EVENT sy-vline 
WA_RPBEN_DB_STR-ACTIN sy-vline 
WA_RPBEN_DB_STR-CURRE sy-vline 
WA_RPBEN_DB_STR-PERIO sy-vline 
WA_RPBEN_DB_STR-MODEL sy-vline 
WA_RPBEN_DB_STR-BCOVR sy-vline 
WA_RPBEN_DB_STR-BSCOV sy-vline 
WA_RPBEN_DB_STR-COVAM sy-vline 
WA_RPBEN_DB_STR-COVOV sy-vline 
WA_RPBEN_DB_STR-ADDNO sy-vline 
WA_RPBEN_DB_STR-ADDUN sy-vline 
WA_RPBEN_DB_STR-BENSL sy-vline 
WA_RPBEN_DB_STR-PRETX sy-vline 
WA_RPBEN_DB_STR-EECST sy-vline 
WA_RPBEN_DB_STR-ERCST sy-vline 
WA_RPBEN_DB_STR-ACCST sy-vline 
WA_RPBEN_DB_STR-BNCST sy-vline 
WA_RPBEN_DB_STR-FLXCR sy-vline 
WA_RPBEN_DB_STR-ERNOC sy-vline 
WA_RPBEN_DB_STR-EOGRP sy-vline 
WA_RPBEN_DB_STR-EOIRQ sy-vline 
WA_RPBEN_DB_STR-EOIPR sy-vline 
WA_RPBEN_DB_STR-BENYN sy-vline 
WA_RPBEN_DB_STR-CTGYN sy-vline 
WA_RPBEN_DB_STR-NO_OF_BEN sy-vline 
WA_RPBEN_DB_STR-NO_OF_CTG sy-vline 
WA_RPBEN_DB_STR-TXT_BAREA sy-vline 
WA_RPBEN_DB_STR-TXT_PCATEG sy-vline 
WA_RPBEN_DB_STR-TXT_PLTYPE sy-vline 
WA_RPBEN_DB_STR-TXT_PLAN sy-vline 
WA_RPBEN_DB_STR-TXT_PERIOD sy-vline 
WA_RPBEN_DB_STR-TXT_OPTION sy-vline 
WA_RPBEN_DB_STR-TXT_MODEL sy-vline 
WA_RPBEN_DB_STR-URL_PLTYPE sy-vline 
WA_RPBEN_DB_STR-TXT_URLPT sy-vline 
WA_RPBEN_DB_STR-URL_PLAN sy-vline 
WA_RPBEN_DB_STR-TXT_URLPL sy-vline      INTO ld_text SEPARATED BY SPACE.

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