ABAP Select data from SAP table PAE_HAEPEOS0_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_HAEPEOS0_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_HAEPEOS0_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_HAEPEOS0_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_HAEPEOS0_DATA TYPE STANDARD TABLE OF PAE_HAEPEOS0_DATA,
      WA_PAE_HAEPEOS0_DATA TYPE PAE_HAEPEOS0_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_HAEPEOS0_DATA> TYPE PAE_HAEPEOS0_DATA.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PAE_HAEPEOS0_DATA.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PAE_HAEPEOS0_DATA
  INTO TABLE IT_PAE_HAEPEOS0_DATA.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PAE_HAEPEOS0_DATA
*  INTO TABLE @DATA(IT_PAE_HAEPEOS0_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_HAEPEOS0_DATA INDEX 1 INTO DATA(WA_PAE_HAEPEOS0_DATA2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PAE_HAEPEOS0_DATA ASSIGNING <PAE_HAEPEOS0_DATA>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PAE_HAEPEOS0_DATA>-FNAME = 1.
<PAE_HAEPEOS0_DATA>-ERNAM = 1.
<PAE_HAEPEOS0_DATA>-ERNUM = 1.
<PAE_HAEPEOS0_DATA>-ERPHN = 1.
<PAE_HAEPEOS0_DATA>-ERFAX = 1.

ENDLOOP.

LOOP AT IT_PAE_HAEPEOS0_DATA INTO WA_PAE_HAEPEOS0_DATA.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PAE_HAEPEOS0_DATA-ERPOB, sy-vline,
  WA_PAE_HAEPEOS0_DATA-BIRDT, sy-vline,
  WA_PAE_HAEPEOS0_DATA-SINUM, sy-vline,
  WA_PAE_HAEPEOS0_DATA-FINUM, sy-vline,
  WA_PAE_HAEPEOS0_DATA-STLTX, sy-vline,
  WA_PAE_HAEPEOS0_DATA-JONDT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PAE_HAEPEOS0_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_HAEPEOS0_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_HAEPEOS0_DATA INTO WA_PAE_HAEPEOS0_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_HAEPEOS0_DATA_STR, 
FNAME TYPE STRING,
ERNAM TYPE STRING,
ERNUM TYPE STRING,
ERPHN TYPE STRING,
ERFAX TYPE STRING,
ERPOB TYPE STRING,
BIRDT TYPE STRING,
SINUM TYPE STRING,
FINUM TYPE STRING,
STLTX TYPE STRING,
JONDT TYPE STRING,
PARDT TYPE STRING,
TRMDT TYPE STRING,
TRMRN TYPE STRING,
ABSDY TYPE STRING,
ORT01 TYPE STRING,
REGIO TYPE STRING,
POBOX TYPE STRING,
TELNR TYPE STRING,
BIRCT TYPE STRING,
NATRN TYPE STRING,
BASC1 TYPE STRING,
BASC2 TYPE STRING,
COLA1 TYPE STRING,
COLA2 TYPE STRING,
CHLD1 TYPE STRING,
CHLD2 TYPE STRING,
SOCI1 TYPE STRING,
SOCI2 TYPE STRING,
HOUS1 TYPE STRING,
HOUS2 TYPE STRING,
TOTL1 TYPE STRING,
TOTL2 TYPE STRING,
DEDT1 TYPE STRING,
DEDA1 TYPE STRING,
DEDT2 TYPE STRING,
DEDA2 TYPE STRING,
DEDT3 TYPE STRING,
DEDA3 TYPE STRING,
DEDT4 TYPE STRING,
DEDA4 TYPE STRING,
DEDTT TYPE STRING,
PAYYN TYPE STRING,
BANK1 TYPE STRING,
BRANC TYPE STRING,
ACCNT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PAE_HAEPEOS0_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_HAEPEOS0_DATA_STR-FNAME sy-vline 
WA_PAE_HAEPEOS0_DATA_STR-ERNAM sy-vline 
WA_PAE_HAEPEOS0_DATA_STR-ERNUM sy-vline 
WA_PAE_HAEPEOS0_DATA_STR-ERPHN sy-vline 
WA_PAE_HAEPEOS0_DATA_STR-ERFAX sy-vline 
WA_PAE_HAEPEOS0_DATA_STR-ERPOB sy-vline 
WA_PAE_HAEPEOS0_DATA_STR-BIRDT sy-vline 
WA_PAE_HAEPEOS0_DATA_STR-SINUM sy-vline 
WA_PAE_HAEPEOS0_DATA_STR-FINUM sy-vline 
WA_PAE_HAEPEOS0_DATA_STR-STLTX sy-vline 
WA_PAE_HAEPEOS0_DATA_STR-JONDT sy-vline 
WA_PAE_HAEPEOS0_DATA_STR-PARDT sy-vline 
WA_PAE_HAEPEOS0_DATA_STR-TRMDT sy-vline 
WA_PAE_HAEPEOS0_DATA_STR-TRMRN sy-vline 
WA_PAE_HAEPEOS0_DATA_STR-ABSDY sy-vline 
WA_PAE_HAEPEOS0_DATA_STR-ORT01 sy-vline 
WA_PAE_HAEPEOS0_DATA_STR-REGIO sy-vline 
WA_PAE_HAEPEOS0_DATA_STR-POBOX sy-vline 
WA_PAE_HAEPEOS0_DATA_STR-TELNR sy-vline 
WA_PAE_HAEPEOS0_DATA_STR-BIRCT sy-vline 
WA_PAE_HAEPEOS0_DATA_STR-NATRN sy-vline 
WA_PAE_HAEPEOS0_DATA_STR-BASC1 sy-vline 
WA_PAE_HAEPEOS0_DATA_STR-BASC2 sy-vline 
WA_PAE_HAEPEOS0_DATA_STR-COLA1 sy-vline 
WA_PAE_HAEPEOS0_DATA_STR-COLA2 sy-vline 
WA_PAE_HAEPEOS0_DATA_STR-CHLD1 sy-vline 
WA_PAE_HAEPEOS0_DATA_STR-CHLD2 sy-vline 
WA_PAE_HAEPEOS0_DATA_STR-SOCI1 sy-vline 
WA_PAE_HAEPEOS0_DATA_STR-SOCI2 sy-vline 
WA_PAE_HAEPEOS0_DATA_STR-HOUS1 sy-vline 
WA_PAE_HAEPEOS0_DATA_STR-HOUS2 sy-vline 
WA_PAE_HAEPEOS0_DATA_STR-TOTL1 sy-vline 
WA_PAE_HAEPEOS0_DATA_STR-TOTL2 sy-vline 
WA_PAE_HAEPEOS0_DATA_STR-DEDT1 sy-vline 
WA_PAE_HAEPEOS0_DATA_STR-DEDA1 sy-vline 
WA_PAE_HAEPEOS0_DATA_STR-DEDT2 sy-vline 
WA_PAE_HAEPEOS0_DATA_STR-DEDA2 sy-vline 
WA_PAE_HAEPEOS0_DATA_STR-DEDT3 sy-vline 
WA_PAE_HAEPEOS0_DATA_STR-DEDA3 sy-vline 
WA_PAE_HAEPEOS0_DATA_STR-DEDT4 sy-vline 
WA_PAE_HAEPEOS0_DATA_STR-DEDA4 sy-vline 
WA_PAE_HAEPEOS0_DATA_STR-DEDTT sy-vline 
WA_PAE_HAEPEOS0_DATA_STR-PAYYN sy-vline 
WA_PAE_HAEPEOS0_DATA_STR-BANK1 sy-vline 
WA_PAE_HAEPEOS0_DATA_STR-BRANC sy-vline 
WA_PAE_HAEPEOS0_DATA_STR-ACCNT sy-vline      INTO ld_text SEPARATED BY SPACE.

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