ABAP Select data from SAP table FMAVC_S_CE_CONTRIB_CG into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FMAVC_S_CE_CONTRIB_CG
*  INTO TABLE @DATA(IT_FMAVC_S_CE_CONTRIB_CG2).
*--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_FMAVC_S_CE_CONTRIB_CG INDEX 1 INTO DATA(WA_FMAVC_S_CE_CONTRIB_CG2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FMAVC_S_CE_CONTRIB_CG>-RYEAR = 1.
<FMAVC_S_CE_CONTRIB_CG>-RRCTY = 1.
<FMAVC_S_CE_CONTRIB_CG>-ALLOCTYPE = 1.
<FMAVC_S_CE_CONTRIB_CG>-VALXX = 1.
<FMAVC_S_CE_CONTRIB_CG>-RPMAX = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FMAVC_S_CE_CONTRIB_CG-LVAL01, sy-vline,
  WA_FMAVC_S_CE_CONTRIB_CG-LVAL02, sy-vline,
  WA_FMAVC_S_CE_CONTRIB_CG-LVAL03, sy-vline,
  WA_FMAVC_S_CE_CONTRIB_CG-LVAL04, sy-vline,
  WA_FMAVC_S_CE_CONTRIB_CG-LVAL05, sy-vline,
  WA_FMAVC_S_CE_CONTRIB_CG-LVAL06, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FMAVC_S_CE_CONTRIB_CG 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_FMAVC_S_CE_CONTRIB_CG 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_FMAVC_S_CE_CONTRIB_CG INTO WA_FMAVC_S_CE_CONTRIB_CG.


*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 GJAHR, internal->external for field RYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FMAVC_S_CE_CONTRIB_CG-RYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMAVC_S_CE_CONTRIB_CG-RYEAR.
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_FMAVC_S_CE_CONTRIB_CG_STR, 
RYEAR TYPE STRING,
RRCTY TYPE STRING,
ALLOCTYPE TYPE STRING,
VALXX TYPE STRING,
RPMAX TYPE STRING,
LVAL01 TYPE STRING,
LVAL02 TYPE STRING,
LVAL03 TYPE STRING,
LVAL04 TYPE STRING,
LVAL05 TYPE STRING,
LVAL06 TYPE STRING,
LVAL07 TYPE STRING,
LVAL08 TYPE STRING,
LVAL09 TYPE STRING,
LVAL10 TYPE STRING,
LVAL11 TYPE STRING,
LVAL12 TYPE STRING,
LVAL13 TYPE STRING,
LVAL14 TYPE STRING,
LVAL15 TYPE STRING,
LVAL16 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FMAVC_S_CE_CONTRIB_CG_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_FMAVC_S_CE_CONTRIB_CG_STR-RYEAR sy-vline 
WA_FMAVC_S_CE_CONTRIB_CG_STR-RRCTY sy-vline 
WA_FMAVC_S_CE_CONTRIB_CG_STR-ALLOCTYPE sy-vline 
WA_FMAVC_S_CE_CONTRIB_CG_STR-VALXX sy-vline 
WA_FMAVC_S_CE_CONTRIB_CG_STR-RPMAX sy-vline 
WA_FMAVC_S_CE_CONTRIB_CG_STR-LVAL01 sy-vline 
WA_FMAVC_S_CE_CONTRIB_CG_STR-LVAL02 sy-vline 
WA_FMAVC_S_CE_CONTRIB_CG_STR-LVAL03 sy-vline 
WA_FMAVC_S_CE_CONTRIB_CG_STR-LVAL04 sy-vline 
WA_FMAVC_S_CE_CONTRIB_CG_STR-LVAL05 sy-vline 
WA_FMAVC_S_CE_CONTRIB_CG_STR-LVAL06 sy-vline 
WA_FMAVC_S_CE_CONTRIB_CG_STR-LVAL07 sy-vline 
WA_FMAVC_S_CE_CONTRIB_CG_STR-LVAL08 sy-vline 
WA_FMAVC_S_CE_CONTRIB_CG_STR-LVAL09 sy-vline 
WA_FMAVC_S_CE_CONTRIB_CG_STR-LVAL10 sy-vline 
WA_FMAVC_S_CE_CONTRIB_CG_STR-LVAL11 sy-vline 
WA_FMAVC_S_CE_CONTRIB_CG_STR-LVAL12 sy-vline 
WA_FMAVC_S_CE_CONTRIB_CG_STR-LVAL13 sy-vline 
WA_FMAVC_S_CE_CONTRIB_CG_STR-LVAL14 sy-vline 
WA_FMAVC_S_CE_CONTRIB_CG_STR-LVAL15 sy-vline 
WA_FMAVC_S_CE_CONTRIB_CG_STR-LVAL16 sy-vline      INTO ld_text SEPARATED BY SPACE.

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