ABAP Select data from SAP table JBRRPGAP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM JBRRPGAP
*  INTO TABLE @DATA(IT_JBRRPGAP2).
*--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_JBRRPGAP INDEX 1 INTO DATA(WA_JBRRPGAP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<JBRRPGAP>-SICHTID = 1.
<JBRRPGAP>-PHID = 1.
<JBRRPGAP>-LZB = 1.
<JBRRPGAP>-BPID = 1.
<JBRRPGAP>-PKNOTEN = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_JBRRPGAP-NAME, sy-vline,
  WA_JBRRPGAP-WAERS, sy-vline,
  WA_JBRRPGAP-GAP_AUSW, sy-vline,
  WA_JBRRPGAP-LIQUID, sy-vline,
  WA_JBRRPGAP-AKTPASS, sy-vline,
  WA_JBRRPGAP-ZINSKAPB, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_JBRRPGAP 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_JBRRPGAP 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_JBRRPGAP INTO WA_JBRRPGAP.


*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 ALPHA, internal->external for field LZB
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_JBRRPGAP-LZB
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JBRRPGAP-LZB.
WRITE:/ 'New Value:', ld_input.

*Conversion exit PNAME, internal->external for field NAME
CALL FUNCTION 'CONVERSION_EXIT_PNAME_OUTPUT'
  EXPORTING
    input =                      WA_JBRRPGAP-NAME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_JBRRPGAP-NAME.
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_JBRRPGAP_STR, 
SICHTID TYPE STRING,
PHID TYPE STRING,
LZB TYPE STRING,
BPID TYPE STRING,
PKNOTEN TYPE STRING,
NAME TYPE STRING,
WAERS TYPE STRING,
GAP_AUSW TYPE STRING,
LIQUID TYPE STRING,
AKTPASS TYPE STRING,
ZINSKAPB TYPE STRING,
DATUM TYPE STRING,
BETRAG TYPE STRING,
DBETRAG TYPE STRING,
PRODZINS TYPE STRING,
PRODZINSD TYPE STRING,
MARKTZINS TYPE STRING,
MARKTZINSD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_JBRRPGAP_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_JBRRPGAP_STR-SICHTID sy-vline 
WA_JBRRPGAP_STR-PHID sy-vline 
WA_JBRRPGAP_STR-LZB sy-vline 
WA_JBRRPGAP_STR-BPID sy-vline 
WA_JBRRPGAP_STR-PKNOTEN sy-vline 
WA_JBRRPGAP_STR-NAME sy-vline 
WA_JBRRPGAP_STR-WAERS sy-vline 
WA_JBRRPGAP_STR-GAP_AUSW sy-vline 
WA_JBRRPGAP_STR-LIQUID sy-vline 
WA_JBRRPGAP_STR-AKTPASS sy-vline 
WA_JBRRPGAP_STR-ZINSKAPB sy-vline 
WA_JBRRPGAP_STR-DATUM sy-vline 
WA_JBRRPGAP_STR-BETRAG sy-vline 
WA_JBRRPGAP_STR-DBETRAG sy-vline 
WA_JBRRPGAP_STR-PRODZINS sy-vline 
WA_JBRRPGAP_STR-PRODZINSD sy-vline 
WA_JBRRPGAP_STR-MARKTZINS sy-vline 
WA_JBRRPGAP_STR-MARKTZINSD sy-vline      INTO ld_text SEPARATED BY SPACE.

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