ABAP Select data from SAP table FC00_S_MIG_CUHIER into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FC00_S_MIG_CUHIER 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 FC00_S_MIG_CUHIER. 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 FC00_S_MIG_CUHIER 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_FC00_S_MIG_CUHIER TYPE STANDARD TABLE OF FC00_S_MIG_CUHIER,
      WA_FC00_S_MIG_CUHIER TYPE FC00_S_MIG_CUHIER,
      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: <FC00_S_MIG_CUHIER> TYPE FC00_S_MIG_CUHIER.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FC00_S_MIG_CUHIER.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FC00_S_MIG_CUHIER
  INTO TABLE IT_FC00_S_MIG_CUHIER.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FC00_S_MIG_CUHIER
*  INTO TABLE @DATA(IT_FC00_S_MIG_CUHIER2).
*--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_FC00_S_MIG_CUHIER INDEX 1 INTO DATA(WA_FC00_S_MIG_CUHIER2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FC00_S_MIG_CUHIER ASSIGNING <FC00_S_MIG_CUHIER>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FC00_S_MIG_CUHIER>-LTYPE = 1.
<FC00_S_MIG_CUHIER>-HRY = 1.
<FC00_S_MIG_CUHIER>-CONGR = 1.
<FC00_S_MIG_CUHIER>-FROM = 1.
<FC00_S_MIG_CUHIER>-TO = 1.

ENDLOOP.

LOOP AT IT_FC00_S_MIG_CUHIER INTO WA_FC00_S_MIG_CUHIER.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FC00_S_MIG_CUHIER-FYEAR, sy-vline,
  WA_FC00_S_MIG_CUHIER-FPERI, sy-vline,
  WA_FC00_S_MIG_CUHIER-FEFLG, sy-vline,
  WA_FC00_S_MIG_CUHIER-LYEAR, sy-vline,
  WA_FC00_S_MIG_CUHIER-LPERI, sy-vline,
  WA_FC00_S_MIG_CUHIER-LBFLG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FC00_S_MIG_CUHIER 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_FC00_S_MIG_CUHIER 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_FC00_S_MIG_CUHIER INTO WA_FC00_S_MIG_CUHIER.


*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 AFIMC, internal->external for field CONGR
CALL FUNCTION 'CONVERSION_EXIT_AFIMC_OUTPUT'
  EXPORTING
    input =                      WA_FC00_S_MIG_CUHIER-CONGR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FC00_S_MIG_CUHIER-CONGR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AFIMC, internal->external for field FROM
CALL FUNCTION 'CONVERSION_EXIT_AFIMC_OUTPUT'
  EXPORTING
    input =                      WA_FC00_S_MIG_CUHIER-FROM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FC00_S_MIG_CUHIER-FROM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AFIMC, internal->external for field TO
CALL FUNCTION 'CONVERSION_EXIT_AFIMC_OUTPUT'
  EXPORTING
    input =                      WA_FC00_S_MIG_CUHIER-TO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FC00_S_MIG_CUHIER-TO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field FYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FC00_S_MIG_CUHIER-FYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FC00_S_MIG_CUHIER-FYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field LYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FC00_S_MIG_CUHIER-LYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FC00_S_MIG_CUHIER-LYEAR.
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_FC00_S_MIG_CUHIER_STR, 
LTYPE TYPE STRING,
HRY TYPE STRING,
CONGR TYPE STRING,
FROM TYPE STRING,
TO TYPE STRING,
FYEAR TYPE STRING,
FPERI TYPE STRING,
FEFLG TYPE STRING,
LYEAR TYPE STRING,
LPERI TYPE STRING,
LBFLG TYPE STRING,
FORGCH TYPE STRING,
FORGCHFLG TYPE STRING,
LORGCHFLG TYPE STRING,
LMERGERFLG TYPE STRING,
TXTMI TYPE STRING,
TXTSH TYPE STRING,
NEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FC00_S_MIG_CUHIER_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_FC00_S_MIG_CUHIER_STR-LTYPE sy-vline 
WA_FC00_S_MIG_CUHIER_STR-HRY sy-vline 
WA_FC00_S_MIG_CUHIER_STR-CONGR sy-vline 
WA_FC00_S_MIG_CUHIER_STR-FROM sy-vline 
WA_FC00_S_MIG_CUHIER_STR-TO sy-vline 
WA_FC00_S_MIG_CUHIER_STR-FYEAR sy-vline 
WA_FC00_S_MIG_CUHIER_STR-FPERI sy-vline 
WA_FC00_S_MIG_CUHIER_STR-FEFLG sy-vline 
WA_FC00_S_MIG_CUHIER_STR-LYEAR sy-vline 
WA_FC00_S_MIG_CUHIER_STR-LPERI sy-vline 
WA_FC00_S_MIG_CUHIER_STR-LBFLG sy-vline 
WA_FC00_S_MIG_CUHIER_STR-FORGCH sy-vline 
WA_FC00_S_MIG_CUHIER_STR-FORGCHFLG sy-vline 
WA_FC00_S_MIG_CUHIER_STR-LORGCHFLG sy-vline 
WA_FC00_S_MIG_CUHIER_STR-LMERGERFLG sy-vline 
WA_FC00_S_MIG_CUHIER_STR-TXTMI sy-vline 
WA_FC00_S_MIG_CUHIER_STR-TXTSH sy-vline 
WA_FC00_S_MIG_CUHIER_STR-NEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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