ABAP Select data from SAP table PA0751 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PA0751 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 PA0751. 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 PA0751 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_PA0751 TYPE STANDARD TABLE OF PA0751,
      WA_PA0751 TYPE PA0751,
      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: <PA0751> TYPE PA0751.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PA0751.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PA0751
  INTO TABLE IT_PA0751.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PA0751
*  INTO TABLE @DATA(IT_PA07512).
*--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_PA0751 INDEX 1 INTO DATA(WA_PA07512).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PA0751 ASSIGNING <PA0751>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PA0751>-MANDT = 1.
<PA0751>-PERNR = 1.
<PA0751>-SUBTY = 1.
<PA0751>-OBJPS = 1.
<PA0751>-SPRPS = 1.

ENDLOOP.

LOOP AT IT_PA0751 INTO WA_PA0751.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PA0751-ENDDA, sy-vline,
  WA_PA0751-BEGDA, sy-vline,
  WA_PA0751-SEQNR, sy-vline,
  WA_PA0751-AEDTM, sy-vline,
  WA_PA0751-UNAME, sy-vline,
  WA_PA0751-HISTO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PA0751 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_PA0751 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_PA0751 INTO WA_PA0751.


*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_PA0751_STR, 
MANDT TYPE STRING,
PERNR 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,
MVART TYPE STRING,
LGART TYPE STRING,
ANZHL TYPE STRING,
BETRG TYPE STRING,
EMFSL TYPE STRING,
BTBEG TYPE STRING,
DATU1 TYPE STRING,
DATU2 TYPE STRING,
DATU3 TYPE STRING,
DATU4 TYPE STRING,
DATU5 TYPE STRING,
RATE1 TYPE STRING,
RATE2 TYPE STRING,
RATE3 TYPE STRING,
RATE4 TYPE STRING,
RATE5 TYPE STRING,
UEB01 TYPE STRING,
UEB02 TYPE STRING,
UEB03 TYPE STRING,
UEB04 TYPE STRING,
UEB05 TYPE STRING,
LGAR1 TYPE STRING,
BETR1 TYPE STRING,
LGAR2 TYPE STRING,
BETR2 TYPE STRING,
LGAR3 TYPE STRING,
BETR3 TYPE STRING,
BVZFR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PA0751_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_PA0751_STR-MANDT sy-vline 
WA_PA0751_STR-PERNR sy-vline 
WA_PA0751_STR-SUBTY sy-vline 
WA_PA0751_STR-OBJPS sy-vline 
WA_PA0751_STR-SPRPS sy-vline 
WA_PA0751_STR-ENDDA sy-vline 
WA_PA0751_STR-BEGDA sy-vline 
WA_PA0751_STR-SEQNR sy-vline 
WA_PA0751_STR-AEDTM sy-vline 
WA_PA0751_STR-UNAME sy-vline 
WA_PA0751_STR-HISTO sy-vline 
WA_PA0751_STR-ITXEX sy-vline 
WA_PA0751_STR-REFEX sy-vline 
WA_PA0751_STR-ORDEX sy-vline 
WA_PA0751_STR-ITBLD sy-vline 
WA_PA0751_STR-PREAS sy-vline 
WA_PA0751_STR-FLAG1 sy-vline 
WA_PA0751_STR-FLAG2 sy-vline 
WA_PA0751_STR-FLAG3 sy-vline 
WA_PA0751_STR-FLAG4 sy-vline 
WA_PA0751_STR-RESE1 sy-vline 
WA_PA0751_STR-RESE2 sy-vline 
WA_PA0751_STR-GRPVL sy-vline 
WA_PA0751_STR-MVART sy-vline 
WA_PA0751_STR-LGART sy-vline 
WA_PA0751_STR-ANZHL sy-vline 
WA_PA0751_STR-BETRG sy-vline 
WA_PA0751_STR-EMFSL sy-vline 
WA_PA0751_STR-BTBEG sy-vline 
WA_PA0751_STR-DATU1 sy-vline 
WA_PA0751_STR-DATU2 sy-vline 
WA_PA0751_STR-DATU3 sy-vline 
WA_PA0751_STR-DATU4 sy-vline 
WA_PA0751_STR-DATU5 sy-vline 
WA_PA0751_STR-RATE1 sy-vline 
WA_PA0751_STR-RATE2 sy-vline 
WA_PA0751_STR-RATE3 sy-vline 
WA_PA0751_STR-RATE4 sy-vline 
WA_PA0751_STR-RATE5 sy-vline 
WA_PA0751_STR-UEB01 sy-vline 
WA_PA0751_STR-UEB02 sy-vline 
WA_PA0751_STR-UEB03 sy-vline 
WA_PA0751_STR-UEB04 sy-vline 
WA_PA0751_STR-UEB05 sy-vline 
WA_PA0751_STR-LGAR1 sy-vline 
WA_PA0751_STR-BETR1 sy-vline 
WA_PA0751_STR-LGAR2 sy-vline 
WA_PA0751_STR-BETR2 sy-vline 
WA_PA0751_STR-LGAR3 sy-vline 
WA_PA0751_STR-BETR3 sy-vline 
WA_PA0751_STR-BVZFR sy-vline      INTO ld_text SEPARATED BY SPACE.

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