ABAP Select data from SAP table /SAPSRM/S_POWL_SEARCH_E_PO into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPSRM/S_POWL_SEARCH_E_PO
*  INTO TABLE @DATA(IT_/SAPSRM/S_POWL_SEARCH_E_PO2).
*--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_/SAPSRM/S_POWL_SEARCH_E_PO INDEX 1 INTO DATA(WA_/SAPSRM/S_POWL_SEARCH_E_PO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPSRM/S_POWL_SEARCH_E_PO>-EBELN = 1.
</SAPSRM/S_POWL_SEARCH_E_PO>-LIFNR = 1.
</SAPSRM/S_POWL_SEARCH_E_PO>-EKORG = 1.
</SAPSRM/S_POWL_SEARCH_E_PO>-EKGRP = 1.
</SAPSRM/S_POWL_SEARCH_E_PO>-BEDAT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPSRM/S_POWL_SEARCH_E_PO-TIMFR, sy-vline,
  WA_/SAPSRM/S_POWL_SEARCH_E_PO-BSART, sy-vline,
  WA_/SAPSRM/S_POWL_SEARCH_E_PO-ERNAM, sy-vline,
  WA_/SAPSRM/S_POWL_SEARCH_E_PO-RESWK, sy-vline,
  WA_/SAPSRM/S_POWL_SEARCH_E_PO-BUKRS, sy-vline,
  WA_/SAPSRM/S_POWL_SEARCH_E_PO-MEMORY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPSRM/S_POWL_SEARCH_E_PO 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_/SAPSRM/S_POWL_SEARCH_E_PO 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_/SAPSRM/S_POWL_SEARCH_E_PO INTO WA_/SAPSRM/S_POWL_SEARCH_E_PO.


*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 ALPHA, internal->external for field EBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPSRM/S_POWL_SEARCH_E_PO-EBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPSRM/S_POWL_SEARCH_E_PO-EBELN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LIFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPSRM/S_POWL_SEARCH_E_PO-LIFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPSRM/S_POWL_SEARCH_E_PO-LIFNR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit EAN11, internal->external for field EAN11
CALL FUNCTION 'CONVERSION_EXIT_EAN11_OUTPUT'
  EXPORTING
    input =                      WA_/SAPSRM/S_POWL_SEARCH_E_PO-EAN11
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPSRM/S_POWL_SEARCH_E_PO-EAN11.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AKTNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPSRM/S_POWL_SEARCH_E_PO-AKTNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPSRM/S_POWL_SEARCH_E_PO-AKTNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field SAISJ
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_/SAPSRM/S_POWL_SEARCH_E_PO-SAISJ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPSRM/S_POWL_SEARCH_E_PO-SAISJ.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KOSTL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPSRM/S_POWL_SEARCH_E_PO-KOSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPSRM/S_POWL_SEARCH_E_PO-KOSTL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AUFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPSRM/S_POWL_SEARCH_E_PO-AUFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPSRM/S_POWL_SEARCH_E_PO-AUFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ANLN1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPSRM/S_POWL_SEARCH_E_PO-ANLN1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPSRM/S_POWL_SEARCH_E_PO-ANLN1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ANLN2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPSRM/S_POWL_SEARCH_E_PO-ANLN2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPSRM/S_POWL_SEARCH_E_PO-ANLN2.
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_/SAPSRM/S_POWL_SEARCH_E_PO_STR, 
EBELN TYPE STRING,
LIFNR TYPE STRING,
EKORG TYPE STRING,
EKGRP TYPE STRING,
BEDAT TYPE STRING,
TIMFR TYPE STRING,
BSART TYPE STRING,
ERNAM TYPE STRING,
RESWK TYPE STRING,
BUKRS TYPE STRING,
MEMORY TYPE STRING,
EBELP TYPE STRING,
MATNR TYPE STRING,
WERKS TYPE STRING,
MATKL TYPE STRING,
PSTYP TYPE STRING,
KNTTP TYPE STRING,
EAN11 TYPE STRING,
LTSNR TYPE STRING,
AKTNR TYPE STRING,
SAISO TYPE STRING,
SAISJ TYPE STRING,
LGORT TYPE STRING,
LOEKZ TYPE STRING,
ELIKZ TYPE STRING,
BSTAE TYPE STRING,
RETPO TYPE STRING,
TXZ01 TYPE STRING,
EINDT TYPE STRING,
NAME1 TYPE STRING,
FRGCO TYPE STRING,
KOSTL TYPE STRING,
AUFNR TYPE STRING,
ANLN1 TYPE STRING,
ANLN2 TYPE STRING,
BSTYP TYPE STRING,
FRGRL TYPE STRING,
IDNLF TYPE STRING,
STATU TYPE STRING,
MEMTYPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPSRM/S_POWL_SEARCH_E_PO_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_/SAPSRM/S_POWL_SEARCH_E_PO_STR-EBELN sy-vline 
WA_/SAPSRM/S_POWL_SEARCH_E_PO_STR-LIFNR sy-vline 
WA_/SAPSRM/S_POWL_SEARCH_E_PO_STR-EKORG sy-vline 
WA_/SAPSRM/S_POWL_SEARCH_E_PO_STR-EKGRP sy-vline 
WA_/SAPSRM/S_POWL_SEARCH_E_PO_STR-BEDAT sy-vline 
WA_/SAPSRM/S_POWL_SEARCH_E_PO_STR-TIMFR sy-vline 
WA_/SAPSRM/S_POWL_SEARCH_E_PO_STR-BSART sy-vline 
WA_/SAPSRM/S_POWL_SEARCH_E_PO_STR-ERNAM sy-vline 
WA_/SAPSRM/S_POWL_SEARCH_E_PO_STR-RESWK sy-vline 
WA_/SAPSRM/S_POWL_SEARCH_E_PO_STR-BUKRS sy-vline 
WA_/SAPSRM/S_POWL_SEARCH_E_PO_STR-MEMORY sy-vline 
WA_/SAPSRM/S_POWL_SEARCH_E_PO_STR-EBELP sy-vline 
WA_/SAPSRM/S_POWL_SEARCH_E_PO_STR-MATNR sy-vline 
WA_/SAPSRM/S_POWL_SEARCH_E_PO_STR-WERKS sy-vline 
WA_/SAPSRM/S_POWL_SEARCH_E_PO_STR-MATKL sy-vline 
WA_/SAPSRM/S_POWL_SEARCH_E_PO_STR-PSTYP sy-vline 
WA_/SAPSRM/S_POWL_SEARCH_E_PO_STR-KNTTP sy-vline 
WA_/SAPSRM/S_POWL_SEARCH_E_PO_STR-EAN11 sy-vline 
WA_/SAPSRM/S_POWL_SEARCH_E_PO_STR-LTSNR sy-vline 
WA_/SAPSRM/S_POWL_SEARCH_E_PO_STR-AKTNR sy-vline 
WA_/SAPSRM/S_POWL_SEARCH_E_PO_STR-SAISO sy-vline 
WA_/SAPSRM/S_POWL_SEARCH_E_PO_STR-SAISJ sy-vline 
WA_/SAPSRM/S_POWL_SEARCH_E_PO_STR-LGORT sy-vline 
WA_/SAPSRM/S_POWL_SEARCH_E_PO_STR-LOEKZ sy-vline 
WA_/SAPSRM/S_POWL_SEARCH_E_PO_STR-ELIKZ sy-vline 
WA_/SAPSRM/S_POWL_SEARCH_E_PO_STR-BSTAE sy-vline 
WA_/SAPSRM/S_POWL_SEARCH_E_PO_STR-RETPO sy-vline 
WA_/SAPSRM/S_POWL_SEARCH_E_PO_STR-TXZ01 sy-vline 
WA_/SAPSRM/S_POWL_SEARCH_E_PO_STR-EINDT sy-vline 
WA_/SAPSRM/S_POWL_SEARCH_E_PO_STR-NAME1 sy-vline 
WA_/SAPSRM/S_POWL_SEARCH_E_PO_STR-FRGCO sy-vline 
WA_/SAPSRM/S_POWL_SEARCH_E_PO_STR-KOSTL sy-vline 
WA_/SAPSRM/S_POWL_SEARCH_E_PO_STR-AUFNR sy-vline 
WA_/SAPSRM/S_POWL_SEARCH_E_PO_STR-ANLN1 sy-vline 
WA_/SAPSRM/S_POWL_SEARCH_E_PO_STR-ANLN2 sy-vline 
WA_/SAPSRM/S_POWL_SEARCH_E_PO_STR-BSTYP sy-vline 
WA_/SAPSRM/S_POWL_SEARCH_E_PO_STR-FRGRL sy-vline 
WA_/SAPSRM/S_POWL_SEARCH_E_PO_STR-IDNLF sy-vline 
WA_/SAPSRM/S_POWL_SEARCH_E_PO_STR-STATU sy-vline 
WA_/SAPSRM/S_POWL_SEARCH_E_PO_STR-MEMTYPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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