ABAP Select data from SAP table HRASR00PAITF_DATASET into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP HRASR00PAITF_DATASET 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 HRASR00PAITF_DATASET. 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 HRASR00PAITF_DATASET 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_HRASR00PAITF_DATASET TYPE STANDARD TABLE OF HRASR00PAITF_DATASET,
      WA_HRASR00PAITF_DATASET TYPE HRASR00PAITF_DATASET,
      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: <HRASR00PAITF_DATASET> TYPE HRASR00PAITF_DATASET.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_HRASR00PAITF_DATASET.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM HRASR00PAITF_DATASET
  INTO TABLE IT_HRASR00PAITF_DATASET.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRASR00PAITF_DATASET
*  INTO TABLE @DATA(IT_HRASR00PAITF_DATASET2).
*--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_HRASR00PAITF_DATASET INDEX 1 INTO DATA(WA_HRASR00PAITF_DATASET2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_HRASR00PAITF_DATASET ASSIGNING <HRASR00PAITF_DATASET>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRASR00PAITF_DATASET>-INFTY = 1.
<HRASR00PAITF_DATASET>-SUBTY = 1.
<HRASR00PAITF_DATASET>-OBJPS = 1.
<HRASR00PAITF_DATASET>-DATASETNO = 1.
<HRASR00PAITF_DATASET>-STRUCTURENAME = 1.

ENDLOOP.

LOOP AT IT_HRASR00PAITF_DATASET INTO WA_HRASR00PAITF_DATASET.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRASR00PAITF_DATASET-FIELDINDEX, sy-vline,
  WA_HRASR00PAITF_DATASET-FIELDNAME, sy-vline,
  WA_HRASR00PAITF_DATASET-FIELDVALUE, sy-vline,
  WA_HRASR00PAITF_DATASET-PSKEYSEQNO, sy-vline,
  WA_HRASR00PAITF_DATASET-SEQNR, sy-vline,
ENDLOOP.
   
*Add any further fields from structure WA_HRASR00PAITF_DATASET 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_HRASR00PAITF_DATASET 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_HRASR00PAITF_DATASET INTO WA_HRASR00PAITF_DATASET.


*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_HRASR00PAITF_DATASET_STR, 
INFTY TYPE STRING,
SUBTY TYPE STRING,
OBJPS TYPE STRING,
DATASETNO TYPE STRING,
STRUCTURENAME TYPE STRING,
FIELDINDEX TYPE STRING,
FIELDNAME TYPE STRING,
FIELDVALUE TYPE STRING,
PSKEYSEQNO TYPE STRING,
SEQNR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRASR00PAITF_DATASET_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_HRASR00PAITF_DATASET_STR-INFTY sy-vline 
WA_HRASR00PAITF_DATASET_STR-SUBTY sy-vline 
WA_HRASR00PAITF_DATASET_STR-OBJPS sy-vline 
WA_HRASR00PAITF_DATASET_STR-DATASETNO sy-vline 
WA_HRASR00PAITF_DATASET_STR-STRUCTURENAME sy-vline 
WA_HRASR00PAITF_DATASET_STR-FIELDINDEX sy-vline 
WA_HRASR00PAITF_DATASET_STR-FIELDNAME sy-vline 
WA_HRASR00PAITF_DATASET_STR-FIELDVALUE sy-vline 
WA_HRASR00PAITF_DATASET_STR-PSKEYSEQNO sy-vline 
WA_HRASR00PAITF_DATASET_STR-SEQNR sy-vline      INTO ld_text SEPARATED BY SPACE.

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