ABAP Select data from SAP table FIAPSA_S_EXPO_SELSCR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FIAPSA_S_EXPO_SELSCR
*  INTO TABLE @DATA(IT_FIAPSA_S_EXPO_SELSCR2).
*--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_FIAPSA_S_EXPO_SELSCR INDEX 1 INTO DATA(WA_FIAPSA_S_EXPO_SELSCR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FIAPSA_S_EXPO_SELSCR>-STGRD = 1.
<FIAPSA_S_EXPO_SELSCR>-BUDAT = 1.
<FIAPSA_S_EXPO_SELSCR>-EXP_CHECKBOX = 1.
<FIAPSA_S_EXPO_SELSCR>-EXPNO = 1.
<FIAPSA_S_EXPO_SELSCR>-GJAHR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FIAPSA_S_EXPO_SELSCR-MM_CHECKBOX, sy-vline,
  WA_FIAPSA_S_EXPO_SELSCR-PURNO, sy-vline,
  WA_FIAPSA_S_EXPO_SELSCR-LGJAHR, sy-vline,
  WA_FIAPSA_S_EXPO_SELSCR-LIVNO, sy-vline,
  WA_FIAPSA_S_EXPO_SELSCR-PAY_CHECKBOX, sy-vline,
  WA_FIAPSA_S_EXPO_SELSCR-EVNUM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FIAPSA_S_EXPO_SELSCR 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_FIAPSA_S_EXPO_SELSCR 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_FIAPSA_S_EXPO_SELSCR INTO WA_FIAPSA_S_EXPO_SELSCR.


*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 EXPNO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FIAPSA_S_EXPO_SELSCR-EXPNO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIAPSA_S_EXPO_SELSCR-EXPNO.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit ALPHA, internal->external for field KBLNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FIAPSA_S_EXPO_SELSCR-KBLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIAPSA_S_EXPO_SELSCR-KBLNR.
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_FIAPSA_S_EXPO_SELSCR_STR, 
STGRD TYPE STRING,
BUDAT TYPE STRING,
EXP_CHECKBOX TYPE STRING,
EXPNO TYPE STRING,
GJAHR TYPE STRING,
MM_CHECKBOX TYPE STRING,
PURNO TYPE STRING,
LGJAHR TYPE STRING,
LIVNO TYPE STRING,
PAY_CHECKBOX TYPE STRING,
EVNUM TYPE STRING,
FUNDC_CHECKBOX TYPE STRING,
KBLNR TYPE STRING,
S_BUDAT TYPE STRING,
S_CORR TYPE STRING,
S_EXPNO TYPE STRING,
S_KBELNR TYPE STRING,
S_LBELNR TYPE STRING,
S_REFE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FIAPSA_S_EXPO_SELSCR_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_FIAPSA_S_EXPO_SELSCR_STR-STGRD sy-vline 
WA_FIAPSA_S_EXPO_SELSCR_STR-BUDAT sy-vline 
WA_FIAPSA_S_EXPO_SELSCR_STR-EXP_CHECKBOX sy-vline 
WA_FIAPSA_S_EXPO_SELSCR_STR-EXPNO sy-vline 
WA_FIAPSA_S_EXPO_SELSCR_STR-GJAHR sy-vline 
WA_FIAPSA_S_EXPO_SELSCR_STR-MM_CHECKBOX sy-vline 
WA_FIAPSA_S_EXPO_SELSCR_STR-PURNO sy-vline 
WA_FIAPSA_S_EXPO_SELSCR_STR-LGJAHR sy-vline 
WA_FIAPSA_S_EXPO_SELSCR_STR-LIVNO sy-vline 
WA_FIAPSA_S_EXPO_SELSCR_STR-PAY_CHECKBOX sy-vline 
WA_FIAPSA_S_EXPO_SELSCR_STR-EVNUM sy-vline 
WA_FIAPSA_S_EXPO_SELSCR_STR-FUNDC_CHECKBOX sy-vline 
WA_FIAPSA_S_EXPO_SELSCR_STR-KBLNR sy-vline 
WA_FIAPSA_S_EXPO_SELSCR_STR-S_BUDAT sy-vline 
WA_FIAPSA_S_EXPO_SELSCR_STR-S_CORR sy-vline 
WA_FIAPSA_S_EXPO_SELSCR_STR-S_EXPNO sy-vline 
WA_FIAPSA_S_EXPO_SELSCR_STR-S_KBELNR sy-vline 
WA_FIAPSA_S_EXPO_SELSCR_STR-S_LBELNR sy-vline 
WA_FIAPSA_S_EXPO_SELSCR_STR-S_REFE sy-vline      INTO ld_text SEPARATED BY SPACE.

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