ABAP Select data from SAP table PFSVHIERCOCD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PFSVHIERCOCD
*  INTO TABLE @DATA(IT_PFSVHIERCOCD2).
*--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_PFSVHIERCOCD INDEX 1 INTO DATA(WA_PFSVHIERCOCD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PFSVHIERCOCD>-MANDT = 1.
<PFSVHIERCOCD>-HIERARCHYUNIQUENODEID = 1.
<PFSVHIERCOCD>-BUKRS = 1.
<PFSVHIERCOCD>-VERSN = 1.
<PFSVHIERCOCD>-KTOPL = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PFSVHIERCOCD-UNIQUEPARENTID, sy-vline,
  WA_PFSVHIERCOCD-ERGSL, sy-vline,
  WA_PFSVHIERCOCD-SAKNR, sy-vline,
  WA_PFSVHIERCOCD-FKBER, sy-vline,
  WA_PFSVHIERCOCD-TYPE, sy-vline,
  WA_PFSVHIERCOCD-DESCRIPTION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PFSVHIERCOCD 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_PFSVHIERCOCD 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_PFSVHIERCOCD INTO WA_PFSVHIERCOCD.


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

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

*Conversion exit ALPHA, internal->external for field ALTERNATIVEGLACCOUNT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PFSVHIERCOCD-ALTERNATIVEGLACCOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PFSVHIERCOCD-ALTERNATIVEGLACCOUNT.
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_PFSVHIERCOCD_STR, 
MANDT TYPE STRING,
HIERARCHYUNIQUENODEID TYPE STRING,
BUKRS TYPE STRING,
VERSN TYPE STRING,
KTOPL TYPE STRING,
UNIQUEPARENTID TYPE STRING,
ERGSL TYPE STRING,
SAKNR TYPE STRING,
FKBER TYPE STRING,
TYPE TYPE STRING,
DESCRIPTION TYPE STRING,
ID TYPE STRING,
NEXTN TYPE STRING,
STUFE TYPE STRING,
ERGS2 TYPE STRING,
SEGMENT TYPE STRING,
COUNTRYCHARTOFACCOUNTS TYPE STRING,
GLACCOUNT TYPE STRING,
ALTERNATIVEGLACCOUNT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PFSVHIERCOCD_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_PFSVHIERCOCD_STR-MANDT sy-vline 
WA_PFSVHIERCOCD_STR-HIERARCHYUNIQUENODEID sy-vline 
WA_PFSVHIERCOCD_STR-BUKRS sy-vline 
WA_PFSVHIERCOCD_STR-VERSN sy-vline 
WA_PFSVHIERCOCD_STR-KTOPL sy-vline 
WA_PFSVHIERCOCD_STR-UNIQUEPARENTID sy-vline 
WA_PFSVHIERCOCD_STR-ERGSL sy-vline 
WA_PFSVHIERCOCD_STR-SAKNR sy-vline 
WA_PFSVHIERCOCD_STR-FKBER sy-vline 
WA_PFSVHIERCOCD_STR-TYPE sy-vline 
WA_PFSVHIERCOCD_STR-DESCRIPTION sy-vline 
WA_PFSVHIERCOCD_STR-ID sy-vline 
WA_PFSVHIERCOCD_STR-NEXTN sy-vline 
WA_PFSVHIERCOCD_STR-STUFE sy-vline 
WA_PFSVHIERCOCD_STR-ERGS2 sy-vline 
WA_PFSVHIERCOCD_STR-SEGMENT sy-vline 
WA_PFSVHIERCOCD_STR-COUNTRYCHARTOFACCOUNTS sy-vline 
WA_PFSVHIERCOCD_STR-GLACCOUNT sy-vline 
WA_PFSVHIERCOCD_STR-ALTERNATIVEGLACCOUNT sy-vline      INTO ld_text SEPARATED BY SPACE.

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