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

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/TPSRCX
*  INTO TABLE @DATA(IT_/SAPAPO/TPSRCX2).
*--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/TPSRCX INDEX 1 INTO DATA(WA_/SAPAPO/TPSRCX2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/TPSRCX>-COUNTER = 1.
</SAPAPO/TPSRCX>-TDSRC = 1.
</SAPAPO/TPSRCX>-EBELN = 1.
</SAPAPO/TPSRCX>-EBELP = 1.
</SAPAPO/TPSRCX>-EKORG = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/TPSRCX-MATID, sy-vline,
  WA_/SAPAPO/TPSRCX-LOCFR, sy-vline,
  WA_/SAPAPO/TPSRCX-LOCTO, sy-vline,
  WA_/SAPAPO/TPSRCX-VALFR, sy-vline,
  WA_/SAPAPO/TPSRCX-VALTO, sy-vline,
  WA_/SAPAPO/TPSRCX-CONSI, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/TPSRCX 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/TPSRCX 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/TPSRCX INTO WA_/SAPAPO/TPSRCX.


*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_/SAPAPO/TPSRCX_STR, 
COUNTER TYPE STRING,
TDSRC TYPE STRING,
EBELN TYPE STRING,
EBELP TYPE STRING,
EKORG TYPE STRING,
MATID TYPE STRING,
LOCFR TYPE STRING,
LOCTO TYPE STRING,
VALFR TYPE STRING,
VALTO TYPE STRING,
CONSI TYPE STRING,
SUBCO TYPE STRING,
SP_STK_IND TYPE STRING,
SPEC_STOCK TYPE STRING,
ABUEB TYPE STRING,
APOMS TYPE STRING,
BZQ_ACTIVE TYPE STRING,
ADDRNUMBER TYPE STRING,
PLIFZ TYPE STRING,
BSTME TYPE STRING,
MEINS TYPE STRING,
UMREZ TYPE STRING,
UMREN TYPE STRING,
LCREL TYPE STRING,
FABKZ TYPE STRING,
WEBRL TYPE STRING,
IDNLF TYPE STRING,
LGBZO TYPE STRING,
ABDAT TYPE STRING,
ABFTZ TYPE STRING,
ETFZ1 TYPE STRING,
ETFZ2 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/TPSRCX_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/TPSRCX_STR-COUNTER sy-vline 
WA_/SAPAPO/TPSRCX_STR-TDSRC sy-vline 
WA_/SAPAPO/TPSRCX_STR-EBELN sy-vline 
WA_/SAPAPO/TPSRCX_STR-EBELP sy-vline 
WA_/SAPAPO/TPSRCX_STR-EKORG sy-vline 
WA_/SAPAPO/TPSRCX_STR-MATID sy-vline 
WA_/SAPAPO/TPSRCX_STR-LOCFR sy-vline 
WA_/SAPAPO/TPSRCX_STR-LOCTO sy-vline 
WA_/SAPAPO/TPSRCX_STR-VALFR sy-vline 
WA_/SAPAPO/TPSRCX_STR-VALTO sy-vline 
WA_/SAPAPO/TPSRCX_STR-CONSI sy-vline 
WA_/SAPAPO/TPSRCX_STR-SUBCO sy-vline 
WA_/SAPAPO/TPSRCX_STR-SP_STK_IND sy-vline 
WA_/SAPAPO/TPSRCX_STR-SPEC_STOCK sy-vline 
WA_/SAPAPO/TPSRCX_STR-ABUEB sy-vline 
WA_/SAPAPO/TPSRCX_STR-APOMS sy-vline 
WA_/SAPAPO/TPSRCX_STR-BZQ_ACTIVE sy-vline 
WA_/SAPAPO/TPSRCX_STR-ADDRNUMBER sy-vline 
WA_/SAPAPO/TPSRCX_STR-PLIFZ sy-vline 
WA_/SAPAPO/TPSRCX_STR-BSTME sy-vline 
WA_/SAPAPO/TPSRCX_STR-MEINS sy-vline 
WA_/SAPAPO/TPSRCX_STR-UMREZ sy-vline 
WA_/SAPAPO/TPSRCX_STR-UMREN sy-vline 
WA_/SAPAPO/TPSRCX_STR-LCREL sy-vline 
WA_/SAPAPO/TPSRCX_STR-FABKZ sy-vline 
WA_/SAPAPO/TPSRCX_STR-WEBRL sy-vline 
WA_/SAPAPO/TPSRCX_STR-IDNLF sy-vline 
WA_/SAPAPO/TPSRCX_STR-LGBZO sy-vline 
WA_/SAPAPO/TPSRCX_STR-ABDAT sy-vline 
WA_/SAPAPO/TPSRCX_STR-ABFTZ sy-vline 
WA_/SAPAPO/TPSRCX_STR-ETFZ1 sy-vline 
WA_/SAPAPO/TPSRCX_STR-ETFZ2 sy-vline      INTO ld_text SEPARATED BY SPACE.

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