ABAP Select data from SAP table HRPAYFR_S_DSN_SH_DECL_KEY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRPAYFR_S_DSN_SH_DECL_KEY
*  INTO TABLE @DATA(IT_HRPAYFR_S_DSN_SH_DECL_KEY2).
*--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_HRPAYFR_S_DSN_SH_DECL_KEY INDEX 1 INTO DATA(WA_HRPAYFR_S_DSN_SH_DECL_KEY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRPAYFR_S_DSN_SH_DECL_KEY>-UIDCT = 1.
<HRPAYFR_S_DSN_SH_DECL_KEY>-T5F99SR = 1.
<HRPAYFR_S_DSN_SH_DECL_KEY>-MANDT = 1.
<HRPAYFR_S_DSN_SH_DECL_KEY>-MOLGA = 1.
<HRPAYFR_S_DSN_SH_DECL_KEY>-TYPRO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRPAYFR_S_DSN_SH_DECL_KEY-STMOD, sy-vline,
  WA_HRPAYFR_S_DSN_SH_DECL_KEY-GLBID, sy-vline,
  WA_HRPAYFR_S_DSN_SH_DECL_KEY-SEQNO, sy-vline,
  WA_HRPAYFR_S_DSN_SH_DECL_KEY-ENDDA, sy-vline,
  WA_HRPAYFR_S_DSN_SH_DECL_KEY-BEGDA, sy-vline,
  WA_HRPAYFR_S_DSN_SH_DECL_KEY-STATS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRPAYFR_S_DSN_SH_DECL_KEY 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_HRPAYFR_S_DSN_SH_DECL_KEY 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_HRPAYFR_S_DSN_SH_DECL_KEY INTO WA_HRPAYFR_S_DSN_SH_DECL_KEY.


*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_HRPAYFR_S_DSN_SH_DECL_KEY_STR, 
UIDCT TYPE STRING,
T5F99SR TYPE STRING,
MANDT TYPE STRING,
MOLGA TYPE STRING,
TYPRO TYPE STRING,
STMOD TYPE STRING,
GLBID TYPE STRING,
SEQNO TYPE STRING,
ENDDA TYPE STRING,
BEGDA TYPE STRING,
STATS TYPE STRING,
SDATE TYPE STRING,
STIME TYPE STRING,
UNAME TYPE STRING,
ACTDT TYPE STRING,
ADDAT TYPE STRING,
T5F99SE TYPE STRING,
MANDT TYPE STRING,
MOLGA TYPE STRING,
TYPRO TYPE STRING,
STMOD TYPE STRING,
PERNR TYPE STRING,
EESID TYPE STRING,
GLBID TYPE STRING,
SEQNO TYPE STRING,
ENDDA TYPE STRING,
BEGDA TYPE STRING,
DELEG TYPE STRING,
STATS TYPE STRING,
SDATE TYPE STRING,
STIME TYPE STRING,
UNAME TYPE STRING,
ACTDT TYPE STRING,
ADDAT TYPE STRING,
P3331 TYPE STRING,
PERNR TYPE STRING,
INFTY TYPE STRING,
SUBTY TYPE STRING,
OBJPS TYPE STRING,
SPRPS TYPE STRING,
ENDDA TYPE STRING,
BEGDA TYPE STRING,
SEQNR TYPE STRING,
AEDTM TYPE STRING,
UNAME TYPE STRING,
HISTO TYPE STRING,
ITXEX TYPE STRING,
REFEX TYPE STRING,
ORDEX TYPE STRING,
ITBLD TYPE STRING,
PREAS TYPE STRING,
FLAG1 TYPE STRING,
FLAG2 TYPE STRING,
FLAG3 TYPE STRING,
FLAG4 TYPE STRING,
RESE1 TYPE STRING,
RESE2 TYPE STRING,
GRPVL TYPE STRING,
DIST TYPE STRING,
TRTYP TYPE STRING,
REFMN TYPE STRING,
REFCO TYPE STRING,
BLCKD TYPE STRING,
CANCD TYPE STRING,
REFDT TYPE STRING,
GLBID TYPE STRING,
CHKSU TYPE STRING,
NOTY1 TYPE STRING,
NOTR1 TYPE STRING,
NOTY2 TYPE STRING,
NOTR2 TYPE STRING,
NOTY3 TYPE STRING,
NOTR3 TYPE STRING,
NOTY4 TYPE STRING,
NOTR4 TYPE STRING,
NOTY5 TYPE STRING,
NOTR5 TYPE STRING,
NATUR TYPE STRING,
DTYPE TYPE STRING,
BUSID TYPE STRING,
DCODE TYPE STRING,
CONTR TYPE STRING,
FRACT TYPE STRING,
DEPOS TYPE STRING,
CONTA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRPAYFR_S_DSN_SH_DECL_KEY_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_HRPAYFR_S_DSN_SH_DECL_KEY_STR-UIDCT sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-T5F99SR sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-MANDT sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-MOLGA sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-TYPRO sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-STMOD sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-GLBID sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-SEQNO sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-ENDDA sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-BEGDA sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-STATS sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-SDATE sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-STIME sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-UNAME sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-ACTDT sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-ADDAT sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-T5F99SE sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-MANDT sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-MOLGA sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-TYPRO sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-STMOD sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-PERNR sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-EESID sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-GLBID sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-SEQNO sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-ENDDA sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-BEGDA sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-DELEG sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-STATS sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-SDATE sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-STIME sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-UNAME sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-ACTDT sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-ADDAT sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-P3331 sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-PERNR sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-INFTY sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-SUBTY sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-OBJPS sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-SPRPS sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-ENDDA sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-BEGDA sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-SEQNR sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-AEDTM sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-UNAME sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-HISTO sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-ITXEX sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-REFEX sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-ORDEX sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-ITBLD sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-PREAS sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-FLAG1 sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-FLAG2 sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-FLAG3 sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-FLAG4 sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-RESE1 sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-RESE2 sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-GRPVL sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-DIST sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-TRTYP sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-REFMN sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-REFCO sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-BLCKD sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-CANCD sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-REFDT sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-GLBID sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-CHKSU sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-NOTY1 sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-NOTR1 sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-NOTY2 sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-NOTR2 sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-NOTY3 sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-NOTR3 sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-NOTY4 sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-NOTR4 sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-NOTY5 sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-NOTR5 sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-NATUR sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-DTYPE sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-BUSID sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-DCODE sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-CONTR sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-FRACT sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-DEPOS sy-vline 
WA_HRPAYFR_S_DSN_SH_DECL_KEY_STR-CONTA sy-vline      INTO ld_text SEPARATED BY SPACE.

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