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

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/FCSTEXT
*  INTO TABLE @DATA(IT_/SAPAPO/FCSTEXT2).
*--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/FCSTEXT INDEX 1 INTO DATA(WA_/SAPAPO/FCSTEXT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/FCSTEXT>-MANDT = 1.
</SAPAPO/FCSTEXT>-PAREAID = 1.
</SAPAPO/FCSTEXT>-UNAME = 1.
</SAPAPO/FCSTEXT>-PARTEXT1 = 1.
</SAPAPO/FCSTEXT>-PARTEXT2 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/FCSTEXT-PARTEXT3, sy-vline,
  WA_/SAPAPO/FCSTEXT-PARTEXT4, sy-vline,
  WA_/SAPAPO/FCSTEXT-PARTEXT5, sy-vline,
  WA_/SAPAPO/FCSTEXT-PARTEXT6, sy-vline,
  WA_/SAPAPO/FCSTEXT-PARTEXT7, sy-vline,
  WA_/SAPAPO/FCSTEXT-PARTEXT8, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/FCSTEXT 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/FCSTEXT 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/FCSTEXT INTO WA_/SAPAPO/FCSTEXT.


*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 PARE2, internal->external for field PAREAID
CALL FUNCTION 'CONVERSION_EXIT_PARE2_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/FCSTEXT-PAREAID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/FCSTEXT-PAREAID.
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/FCSTEXT_STR, 
MANDT TYPE STRING,
PAREAID TYPE STRING,
UNAME TYPE STRING,
PARTEXT1 TYPE STRING,
PARTEXT2 TYPE STRING,
PARTEXT3 TYPE STRING,
PARTEXT4 TYPE STRING,
PARTEXT5 TYPE STRING,
PARTEXT6 TYPE STRING,
PARTEXT7 TYPE STRING,
PARTEXT8 TYPE STRING,
PARTEXT9 TYPE STRING,
PARTEXT10 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/FCSTEXT_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/FCSTEXT_STR-MANDT sy-vline 
WA_/SAPAPO/FCSTEXT_STR-PAREAID sy-vline 
WA_/SAPAPO/FCSTEXT_STR-UNAME sy-vline 
WA_/SAPAPO/FCSTEXT_STR-PARTEXT1 sy-vline 
WA_/SAPAPO/FCSTEXT_STR-PARTEXT2 sy-vline 
WA_/SAPAPO/FCSTEXT_STR-PARTEXT3 sy-vline 
WA_/SAPAPO/FCSTEXT_STR-PARTEXT4 sy-vline 
WA_/SAPAPO/FCSTEXT_STR-PARTEXT5 sy-vline 
WA_/SAPAPO/FCSTEXT_STR-PARTEXT6 sy-vline 
WA_/SAPAPO/FCSTEXT_STR-PARTEXT7 sy-vline 
WA_/SAPAPO/FCSTEXT_STR-PARTEXT8 sy-vline 
WA_/SAPAPO/FCSTEXT_STR-PARTEXT9 sy-vline 
WA_/SAPAPO/FCSTEXT_STR-PARTEXT10 sy-vline      INTO ld_text SEPARATED BY SPACE.

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