ABAP Select data from SAP table HRF_PYJO into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRF_PYJO
*  INTO TABLE @DATA(IT_HRF_PYJO2).
*--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_HRF_PYJO INDEX 1 INTO DATA(WA_HRF_PYJO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRF_PYJO>-GROUPING_REASON = 1.
<HRF_PYJO>-GROUPING_VALUE = 1.
<HRF_PYJO>-SEPOS = 1.
<HRF_PYJO>-PERNR = 1.
<HRF_PYJO>-ABART = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRF_PYJO-LGART, sy-vline,
  WA_HRF_PYJO-APZNR, sy-vline,
  WA_HRF_PYJO-CNTR1, sy-vline,
  WA_HRF_PYJO-CNTR2, sy-vline,
  WA_HRF_PYJO-CNTR3, sy-vline,
  WA_HRF_PYJO-ALZNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRF_PYJO 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_HRF_PYJO 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_HRF_PYJO INTO WA_HRF_PYJO.


*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 KOSTL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_HRF_PYJO-KOSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HRF_PYJO-KOSTL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field GRANT_NBR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_HRF_PYJO-GRANT_NBR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HRF_PYJO-GRANT_NBR.
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_HRF_PYJO_STR, 
GROUPING_REASON TYPE STRING,
GROUPING_VALUE TYPE STRING,
SEPOS TYPE STRING,
PERNR TYPE STRING,
ABART TYPE STRING,
LGART TYPE STRING,
APZNR TYPE STRING,
CNTR1 TYPE STRING,
CNTR2 TYPE STRING,
CNTR3 TYPE STRING,
ALZNR TYPE STRING,
C1ZNR TYPE STRING,
BTZNR TYPE STRING,
ABZNR TYPE STRING,
V0TYP TYPE STRING,
V0ZNR TYPE STRING,
ZEINH TYPE STRING,
BETPE TYPE STRING,
ANZHL TYPE STRING,
BETRG TYPE STRING,
RTE_CURR TYPE STRING,
AMT_CURR TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
MASSN TYPE STRING,
MASSG TYPE STRING,
STAT1 TYPE STRING,
STAT2 TYPE STRING,
STAT3 TYPE STRING,
AKTIVJN TYPE STRING,
BUKRS TYPE STRING,
WERKS TYPE STRING,
BTRTL TYPE STRING,
KOSTL TYPE STRING,
PERSG TYPE STRING,
PERSK TYPE STRING,
PLANS TYPE STRING,
GSBER TYPE STRING,
VDSK1 TYPE STRING,
ANSVH TYPE STRING,
ORGEH TYPE STRING,
STELL TYPE STRING,
ZTERF TYPE STRING,
SCHKZ TYPE STRING,
TRFAR TYPE STRING,
TRFGB TYPE STRING,
TRFGR TYPE STRING,
TRFST TYPE STRING,
KOSTVJN TYPE STRING,
DYSCH TYPE STRING,
FISTL TYPE STRING,
GEBER TYPE STRING,
FKBER TYPE STRING,
GRANT_NBR TYPE STRING,
VINFO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRF_PYJO_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_HRF_PYJO_STR-GROUPING_REASON sy-vline 
WA_HRF_PYJO_STR-GROUPING_VALUE sy-vline 
WA_HRF_PYJO_STR-SEPOS sy-vline 
WA_HRF_PYJO_STR-PERNR sy-vline 
WA_HRF_PYJO_STR-ABART sy-vline 
WA_HRF_PYJO_STR-LGART sy-vline 
WA_HRF_PYJO_STR-APZNR sy-vline 
WA_HRF_PYJO_STR-CNTR1 sy-vline 
WA_HRF_PYJO_STR-CNTR2 sy-vline 
WA_HRF_PYJO_STR-CNTR3 sy-vline 
WA_HRF_PYJO_STR-ALZNR sy-vline 
WA_HRF_PYJO_STR-C1ZNR sy-vline 
WA_HRF_PYJO_STR-BTZNR sy-vline 
WA_HRF_PYJO_STR-ABZNR sy-vline 
WA_HRF_PYJO_STR-V0TYP sy-vline 
WA_HRF_PYJO_STR-V0ZNR sy-vline 
WA_HRF_PYJO_STR-ZEINH sy-vline 
WA_HRF_PYJO_STR-BETPE sy-vline 
WA_HRF_PYJO_STR-ANZHL sy-vline 
WA_HRF_PYJO_STR-BETRG sy-vline 
WA_HRF_PYJO_STR-RTE_CURR sy-vline 
WA_HRF_PYJO_STR-AMT_CURR sy-vline 
WA_HRF_PYJO_STR-BEGDA sy-vline 
WA_HRF_PYJO_STR-ENDDA sy-vline 
WA_HRF_PYJO_STR-MASSN sy-vline 
WA_HRF_PYJO_STR-MASSG sy-vline 
WA_HRF_PYJO_STR-STAT1 sy-vline 
WA_HRF_PYJO_STR-STAT2 sy-vline 
WA_HRF_PYJO_STR-STAT3 sy-vline 
WA_HRF_PYJO_STR-AKTIVJN sy-vline 
WA_HRF_PYJO_STR-BUKRS sy-vline 
WA_HRF_PYJO_STR-WERKS sy-vline 
WA_HRF_PYJO_STR-BTRTL sy-vline 
WA_HRF_PYJO_STR-KOSTL sy-vline 
WA_HRF_PYJO_STR-PERSG sy-vline 
WA_HRF_PYJO_STR-PERSK sy-vline 
WA_HRF_PYJO_STR-PLANS sy-vline 
WA_HRF_PYJO_STR-GSBER sy-vline 
WA_HRF_PYJO_STR-VDSK1 sy-vline 
WA_HRF_PYJO_STR-ANSVH sy-vline 
WA_HRF_PYJO_STR-ORGEH sy-vline 
WA_HRF_PYJO_STR-STELL sy-vline 
WA_HRF_PYJO_STR-ZTERF sy-vline 
WA_HRF_PYJO_STR-SCHKZ sy-vline 
WA_HRF_PYJO_STR-TRFAR sy-vline 
WA_HRF_PYJO_STR-TRFGB sy-vline 
WA_HRF_PYJO_STR-TRFGR sy-vline 
WA_HRF_PYJO_STR-TRFST sy-vline 
WA_HRF_PYJO_STR-KOSTVJN sy-vline 
WA_HRF_PYJO_STR-DYSCH sy-vline 
WA_HRF_PYJO_STR-FISTL sy-vline 
WA_HRF_PYJO_STR-GEBER sy-vline 
WA_HRF_PYJO_STR-FKBER sy-vline 
WA_HRF_PYJO_STR-GRANT_NBR sy-vline 
WA_HRF_PYJO_STR-VINFO sy-vline      INTO ld_text SEPARATED BY SPACE.

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