ABAP Select data from SAP table /SAPAPO/PBPT_A into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SAPAPO/PBPT_A 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 /SAPAPO/PBPT_A. 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 /SAPAPO/PBPT_A 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_/SAPAPO/PBPT_A TYPE STANDARD TABLE OF /SAPAPO/PBPT_A,
      WA_/SAPAPO/PBPT_A TYPE /SAPAPO/PBPT_A,
      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: </SAPAPO/PBPT_A> TYPE /SAPAPO/PBPT_A.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SAPAPO/PBPT_A
  INTO TABLE IT_/SAPAPO/PBPT_A.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/PBPT_A
*  INTO TABLE @DATA(IT_/SAPAPO/PBPT_A2).
*--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_/SAPAPO/PBPT_A INDEX 1 INTO DATA(WA_/SAPAPO/PBPT_A2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SAPAPO/PBPT_A ASSIGNING </SAPAPO/PBPT_A>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/PBPT_A>-POSNR = 1.
</SAPAPO/PBPT_A>-MATNR = 1.
</SAPAPO/PBPT_A>-TXZ01 = 1.
</SAPAPO/PBPT_A>-WERKS = 1.
</SAPAPO/PBPT_A>-BEDAE = 1.

ENDLOOP.

LOOP AT IT_/SAPAPO/PBPT_A INTO WA_/SAPAPO/PBPT_A.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/PBPT_A-BEDAR, sy-vline,
  WA_/SAPAPO/PBPT_A-BDTYP, sy-vline,
  WA_/SAPAPO/PBPT_A-VERSB, sy-vline,
  WA_/SAPAPO/PBPT_A-ZUVKZ, sy-vline,
  WA_/SAPAPO/PBPT_A-PBDNR, sy-vline,
  WA_/SAPAPO/PBPT_A-BEDPP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/PBPT_A 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_/SAPAPO/PBPT_A 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_/SAPAPO/PBPT_A INTO WA_/SAPAPO/PBPT_A.


*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.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/PBPT_A-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/PBPT_A-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field GTREF
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/PBPT_A-GTREF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/PBPT_A-GTREF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field SPRAS
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/PBPT_A-SPRAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/PBPT_A-SPRAS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/PBPT_A-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/PBPT_A-MEINS.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_/SAPAPO/PBPT_A_STR, 
POSNR TYPE STRING,
MATNR TYPE STRING,
TXZ01 TYPE STRING,
WERKS TYPE STRING,
BEDAE TYPE STRING,
BEDAR TYPE STRING,
BDTYP TYPE STRING,
VERSB TYPE STRING,
ZUVKZ TYPE STRING,
PBDNR TYPE STRING,
BEDPP TYPE STRING,
VRREL TYPE STRING,
GTREF TYPE STRING,
SUMKZ TYPE STRING,
PLNMG TYPE STRING,
PLGMG TYPE STRING,
ANZET TYPE STRING,
UPDKZ TYPE STRING,
EPMEH TYPE STRING,
BDZEI TYPE STRING,
SPRAS TYPE STRING,
ZUOKR TYPE STRING,
ZUOKZ TYPE STRING,
PLNKZ TYPE STRING,
VERKZ TYPE STRING,
VERVS TYPE STRING,
MEINS TYPE STRING,
HISPO TYPE STRING,
HISKZ TYPE STRING,
TXTKZ TYPE STRING,
TXTPO TYPE STRING,
VRHKZ TYPE STRING,
BEDAD TYPE STRING,
VERSA TYPE STRING,
DBPKZ TYPE STRING,
UEBKZ TYPE STRING,
DATLP TYPE STRING,
UHRLP TYPE STRING,
DISMM TYPE STRING,
DISST TYPE STRING,
DATET TYPE STRING,
AENKZ TYPE STRING,
APROG TYPE STRING,
PERIV TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/PBPT_A_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_/SAPAPO/PBPT_A_STR-POSNR sy-vline 
WA_/SAPAPO/PBPT_A_STR-MATNR sy-vline 
WA_/SAPAPO/PBPT_A_STR-TXZ01 sy-vline 
WA_/SAPAPO/PBPT_A_STR-WERKS sy-vline 
WA_/SAPAPO/PBPT_A_STR-BEDAE sy-vline 
WA_/SAPAPO/PBPT_A_STR-BEDAR sy-vline 
WA_/SAPAPO/PBPT_A_STR-BDTYP sy-vline 
WA_/SAPAPO/PBPT_A_STR-VERSB sy-vline 
WA_/SAPAPO/PBPT_A_STR-ZUVKZ sy-vline 
WA_/SAPAPO/PBPT_A_STR-PBDNR sy-vline 
WA_/SAPAPO/PBPT_A_STR-BEDPP sy-vline 
WA_/SAPAPO/PBPT_A_STR-VRREL sy-vline 
WA_/SAPAPO/PBPT_A_STR-GTREF sy-vline 
WA_/SAPAPO/PBPT_A_STR-SUMKZ sy-vline 
WA_/SAPAPO/PBPT_A_STR-PLNMG sy-vline 
WA_/SAPAPO/PBPT_A_STR-PLGMG sy-vline 
WA_/SAPAPO/PBPT_A_STR-ANZET sy-vline 
WA_/SAPAPO/PBPT_A_STR-UPDKZ sy-vline 
WA_/SAPAPO/PBPT_A_STR-EPMEH sy-vline 
WA_/SAPAPO/PBPT_A_STR-BDZEI sy-vline 
WA_/SAPAPO/PBPT_A_STR-SPRAS sy-vline 
WA_/SAPAPO/PBPT_A_STR-ZUOKR sy-vline 
WA_/SAPAPO/PBPT_A_STR-ZUOKZ sy-vline 
WA_/SAPAPO/PBPT_A_STR-PLNKZ sy-vline 
WA_/SAPAPO/PBPT_A_STR-VERKZ sy-vline 
WA_/SAPAPO/PBPT_A_STR-VERVS sy-vline 
WA_/SAPAPO/PBPT_A_STR-MEINS sy-vline 
WA_/SAPAPO/PBPT_A_STR-HISPO sy-vline 
WA_/SAPAPO/PBPT_A_STR-HISKZ sy-vline 
WA_/SAPAPO/PBPT_A_STR-TXTKZ sy-vline 
WA_/SAPAPO/PBPT_A_STR-TXTPO sy-vline 
WA_/SAPAPO/PBPT_A_STR-VRHKZ sy-vline 
WA_/SAPAPO/PBPT_A_STR-BEDAD sy-vline 
WA_/SAPAPO/PBPT_A_STR-VERSA sy-vline 
WA_/SAPAPO/PBPT_A_STR-DBPKZ sy-vline 
WA_/SAPAPO/PBPT_A_STR-UEBKZ sy-vline 
WA_/SAPAPO/PBPT_A_STR-DATLP sy-vline 
WA_/SAPAPO/PBPT_A_STR-UHRLP sy-vline 
WA_/SAPAPO/PBPT_A_STR-DISMM sy-vline 
WA_/SAPAPO/PBPT_A_STR-DISST sy-vline 
WA_/SAPAPO/PBPT_A_STR-DATET sy-vline 
WA_/SAPAPO/PBPT_A_STR-AENKZ sy-vline 
WA_/SAPAPO/PBPT_A_STR-APROG sy-vline 
WA_/SAPAPO/PBPT_A_STR-PERIV sy-vline      INTO ld_text SEPARATED BY SPACE.

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