ABAP Select data from SAP table PUR_S_POMATSUPVW_EKPO_TEXT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PUR_S_POMATSUPVW_EKPO_TEXT
*  INTO TABLE @DATA(IT_PUR_S_POMATSUPVW_EKPO_TEXT2).
*--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_PUR_S_POMATSUPVW_EKPO_TEXT INDEX 1 INTO DATA(WA_PUR_S_POMATSUPVW_EKPO_TEXT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PUR_S_POMATSUPVW_EKPO_TEXT>-EBELN = 1.
<PUR_S_POMATSUPVW_EKPO_TEXT>-EBELP = 1.
<PUR_S_POMATSUPVW_EKPO_TEXT>-SPRAS = 1.
<PUR_S_POMATSUPVW_EKPO_TEXT>-PTEXT = 1.
<PUR_S_POMATSUPVW_EKPO_TEXT>-NAME1 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PUR_S_POMATSUPVW_EKPO_TEXT-AKTKT, sy-vline,
  WA_PUR_S_POMATSUPVW_EKPO_TEXT-BEZCH, sy-vline,
  WA_PUR_S_POMATSUPVW_EKPO_TEXT-LTSBZ, sy-vline,
  WA_PUR_S_POMATSUPVW_EKPO_TEXT-LGOBE, sy-vline,
  WA_PUR_S_POMATSUPVW_EKPO_TEXT-ATTYP, sy-vline,
  WA_PUR_S_POMATSUPVW_EKPO_TEXT-WGBEZ, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PUR_S_POMATSUPVW_EKPO_TEXT 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_PUR_S_POMATSUPVW_EKPO_TEXT 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_PUR_S_POMATSUPVW_EKPO_TEXT INTO WA_PUR_S_POMATSUPVW_EKPO_TEXT.


*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_PUR_S_POMATSUPVW_EKPO_TEXT-EBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PUR_S_POMATSUPVW_EKPO_TEXT-EBELN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field SPRAS
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_PUR_S_POMATSUPVW_EKPO_TEXT-SPRAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PUR_S_POMATSUPVW_EKPO_TEXT-SPRAS.
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_PUR_S_POMATSUPVW_EKPO_TEXT_STR, 
EBELN TYPE STRING,
EBELP TYPE STRING,
SPRAS TYPE STRING,
PTEXT TYPE STRING,
NAME1 TYPE STRING,
AKTKT TYPE STRING,
BEZCH TYPE STRING,
LTSBZ TYPE STRING,
LGOBE TYPE STRING,
ATTYP TYPE STRING,
WGBEZ TYPE STRING,
MAKTX TYPE STRING,
TZONE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PUR_S_POMATSUPVW_EKPO_TEXT_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_PUR_S_POMATSUPVW_EKPO_TEXT_STR-EBELN sy-vline 
WA_PUR_S_POMATSUPVW_EKPO_TEXT_STR-EBELP sy-vline 
WA_PUR_S_POMATSUPVW_EKPO_TEXT_STR-SPRAS sy-vline 
WA_PUR_S_POMATSUPVW_EKPO_TEXT_STR-PTEXT sy-vline 
WA_PUR_S_POMATSUPVW_EKPO_TEXT_STR-NAME1 sy-vline 
WA_PUR_S_POMATSUPVW_EKPO_TEXT_STR-AKTKT sy-vline 
WA_PUR_S_POMATSUPVW_EKPO_TEXT_STR-BEZCH sy-vline 
WA_PUR_S_POMATSUPVW_EKPO_TEXT_STR-LTSBZ sy-vline 
WA_PUR_S_POMATSUPVW_EKPO_TEXT_STR-LGOBE sy-vline 
WA_PUR_S_POMATSUPVW_EKPO_TEXT_STR-ATTYP sy-vline 
WA_PUR_S_POMATSUPVW_EKPO_TEXT_STR-WGBEZ sy-vline 
WA_PUR_S_POMATSUPVW_EKPO_TEXT_STR-MAKTX sy-vline 
WA_PUR_S_POMATSUPVW_EKPO_TEXT_STR-TZONE sy-vline      INTO ld_text SEPARATED BY SPACE.

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