ABAP Select data from SAP table FMPEPLAY_COL_T into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FMPEPLAY_COL_T
*  INTO TABLE @DATA(IT_FMPEPLAY_COL_T2).
*--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_FMPEPLAY_COL_T INDEX 1 INTO DATA(WA_FMPEPLAY_COL_T2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FMPEPLAY_COL_T>-CLIENT = 1.
<FMPEPLAY_COL_T>-LAYOUTVAR = 1.
<FMPEPLAY_COL_T>-TABSTRIP = 1.
<FMPEPLAY_COL_T>-COLNUMBER = 1.
<FMPEPLAY_COL_T>-LANGU = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FMPEPLAY_COL_T-NAME, sy-vline,
  WA_FMPEPLAY_COL_T-HEADING, sy-vline,
  WA_FMPEPLAY_COL_T-VAR1, sy-vline,
  WA_FMPEPLAY_COL_T-VAR2, sy-vline,
  WA_FMPEPLAY_COL_T-VAR3, sy-vline,
  WA_FMPEPLAY_COL_T-VAR4, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FMPEPLAY_COL_T 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_FMPEPLAY_COL_T 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_FMPEPLAY_COL_T INTO WA_FMPEPLAY_COL_T.


*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 ISOLA, internal->external for field LANGU
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_FMPEPLAY_COL_T-LANGU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMPEPLAY_COL_T-LANGU.
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_FMPEPLAY_COL_T_STR, 
CLIENT TYPE STRING,
LAYOUTVAR TYPE STRING,
TABSTRIP TYPE STRING,
COLNUMBER TYPE STRING,
LANGU TYPE STRING,
NAME TYPE STRING,
HEADING TYPE STRING,
VAR1 TYPE STRING,
VAR2 TYPE STRING,
VAR3 TYPE STRING,
VAR4 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FMPEPLAY_COL_T_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_FMPEPLAY_COL_T_STR-CLIENT sy-vline 
WA_FMPEPLAY_COL_T_STR-LAYOUTVAR sy-vline 
WA_FMPEPLAY_COL_T_STR-TABSTRIP sy-vline 
WA_FMPEPLAY_COL_T_STR-COLNUMBER sy-vline 
WA_FMPEPLAY_COL_T_STR-LANGU sy-vline 
WA_FMPEPLAY_COL_T_STR-NAME sy-vline 
WA_FMPEPLAY_COL_T_STR-HEADING sy-vline 
WA_FMPEPLAY_COL_T_STR-VAR1 sy-vline 
WA_FMPEPLAY_COL_T_STR-VAR2 sy-vline 
WA_FMPEPLAY_COL_T_STR-VAR3 sy-vline 
WA_FMPEPLAY_COL_T_STR-VAR4 sy-vline      INTO ld_text SEPARATED BY SPACE.

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