ABAP Select data from SAP table PAE_HAEPRAC0_DATA into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PAE_HAEPRAC0_DATA 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 PAE_HAEPRAC0_DATA. 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 PAE_HAEPRAC0_DATA 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_PAE_HAEPRAC0_DATA TYPE STANDARD TABLE OF PAE_HAEPRAC0_DATA,
      WA_PAE_HAEPRAC0_DATA TYPE PAE_HAEPRAC0_DATA,
      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: <PAE_HAEPRAC0_DATA> TYPE PAE_HAEPRAC0_DATA.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PAE_HAEPRAC0_DATA.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PAE_HAEPRAC0_DATA
  INTO TABLE IT_PAE_HAEPRAC0_DATA.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PAE_HAEPRAC0_DATA
*  INTO TABLE @DATA(IT_PAE_HAEPRAC0_DATA2).
*--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_PAE_HAEPRAC0_DATA INDEX 1 INTO DATA(WA_PAE_HAEPRAC0_DATA2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PAE_HAEPRAC0_DATA ASSIGNING <PAE_HAEPRAC0_DATA>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PAE_HAEPRAC0_DATA>-PERNR = 1.
<PAE_HAEPRAC0_DATA>-FNAME = 1.
<PAE_HAEPRAC0_DATA>-SINUM = 1.
<PAE_HAEPRAC0_DATA>-FINUM = 1.
<PAE_HAEPRAC0_DATA>-GPSER = 1.

ENDLOOP.

LOOP AT IT_PAE_HAEPRAC0_DATA INTO WA_PAE_HAEPRAC0_DATA.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PAE_HAEPRAC0_DATA-AECTX, sy-vline,
  WA_PAE_HAEPRAC0_DATA-POBOX, sy-vline,
  WA_PAE_HAEPRAC0_DATA-TELNO, sy-vline,
  WA_PAE_HAEPRAC0_DATA-FAXNO, sy-vline,
  WA_PAE_HAEPRAC0_DATA-PRNDT, sy-vline,
  WA_PAE_HAEPRAC0_DATA-APPRP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PAE_HAEPRAC0_DATA 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_PAE_HAEPRAC0_DATA 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_PAE_HAEPRAC0_DATA INTO WA_PAE_HAEPRAC0_DATA.


*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_PAE_HAEPRAC0_DATA_STR, 
PERNR TYPE STRING,
FNAME TYPE STRING,
SINUM TYPE STRING,
FINUM TYPE STRING,
GPSER TYPE STRING,
AECTX TYPE STRING,
POBOX TYPE STRING,
TELNO TYPE STRING,
FAXNO TYPE STRING,
PRNDT TYPE STRING,
APPRP TYPE STRING,
BANKN TYPE STRING,
HRRES TYPE STRING,
BABEG TYPE STRING,
BAEND TYPE STRING,
BPBEG TYPE STRING,
BPEND TYPE STRING,
ORBAN TYPE STRING,
ORBPG TYPE STRING,
ORTTL TYPE STRING,
ORAPM TYPE STRING,
TABPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PAE_HAEPRAC0_DATA_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_PAE_HAEPRAC0_DATA_STR-PERNR sy-vline 
WA_PAE_HAEPRAC0_DATA_STR-FNAME sy-vline 
WA_PAE_HAEPRAC0_DATA_STR-SINUM sy-vline 
WA_PAE_HAEPRAC0_DATA_STR-FINUM sy-vline 
WA_PAE_HAEPRAC0_DATA_STR-GPSER sy-vline 
WA_PAE_HAEPRAC0_DATA_STR-AECTX sy-vline 
WA_PAE_HAEPRAC0_DATA_STR-POBOX sy-vline 
WA_PAE_HAEPRAC0_DATA_STR-TELNO sy-vline 
WA_PAE_HAEPRAC0_DATA_STR-FAXNO sy-vline 
WA_PAE_HAEPRAC0_DATA_STR-PRNDT sy-vline 
WA_PAE_HAEPRAC0_DATA_STR-APPRP sy-vline 
WA_PAE_HAEPRAC0_DATA_STR-BANKN sy-vline 
WA_PAE_HAEPRAC0_DATA_STR-HRRES sy-vline 
WA_PAE_HAEPRAC0_DATA_STR-BABEG sy-vline 
WA_PAE_HAEPRAC0_DATA_STR-BAEND sy-vline 
WA_PAE_HAEPRAC0_DATA_STR-BPBEG sy-vline 
WA_PAE_HAEPRAC0_DATA_STR-BPEND sy-vline 
WA_PAE_HAEPRAC0_DATA_STR-ORBAN sy-vline 
WA_PAE_HAEPRAC0_DATA_STR-ORBPG sy-vline 
WA_PAE_HAEPRAC0_DATA_STR-ORTTL sy-vline 
WA_PAE_HAEPRAC0_DATA_STR-ORAPM sy-vline 
WA_PAE_HAEPRAC0_DATA_STR-TABPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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