ABAP Select data from SAP table FINS_CFIN_COQUAN into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FINS_CFIN_COQUAN
*  INTO TABLE @DATA(IT_FINS_CFIN_COQUAN2).
*--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_FINS_CFIN_COQUAN INDEX 1 INTO DATA(WA_FINS_CFIN_COQUAN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FINS_CFIN_COQUAN>-CLIENT = 1.
<FINS_CFIN_COQUAN>-ACCHD_GUID = 1.
<FINS_CFIN_COQUAN>-ITEMNO = 1.
<FINS_CFIN_COQUAN>-MEGBTR = 1.
<FINS_CFIN_COQUAN>-MEFBTR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FINS_CFIN_COQUAN-MBGBTR, sy-vline,
  WA_FINS_CFIN_COQUAN-MBFBTR, sy-vline,
  WA_FINS_CFIN_COQUAN-MEINH, sy-vline,
  WA_FINS_CFIN_COQUAN-MEINB, sy-vline,
  WA_FINS_CFIN_COQUAN-PAGBTR, sy-vline,
  WA_FINS_CFIN_COQUAN-MVFLG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FINS_CFIN_COQUAN 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_FINS_CFIN_COQUAN 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_FINS_CFIN_COQUAN INTO WA_FINS_CFIN_COQUAN.


*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 CUNIT, internal->external for field MEINH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_FINS_CFIN_COQUAN-MEINH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINS_CFIN_COQUAN-MEINH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINB
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_FINS_CFIN_COQUAN-MEINB
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINS_CFIN_COQUAN-MEINB.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field PAGBTR
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_FINS_CFIN_COQUAN-PAGBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINS_CFIN_COQUAN-PAGBTR.
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_FINS_CFIN_COQUAN_STR, 
CLIENT TYPE STRING,
ACCHD_GUID TYPE STRING,
ITEMNO TYPE STRING,
MEGBTR TYPE STRING,
MEFBTR TYPE STRING,
MBGBTR TYPE STRING,
MBFBTR TYPE STRING,
MEINH TYPE STRING,
MEINB TYPE STRING,
PAGBTR TYPE STRING,
MVFLG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FINS_CFIN_COQUAN_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_FINS_CFIN_COQUAN_STR-CLIENT sy-vline 
WA_FINS_CFIN_COQUAN_STR-ACCHD_GUID sy-vline 
WA_FINS_CFIN_COQUAN_STR-ITEMNO sy-vline 
WA_FINS_CFIN_COQUAN_STR-MEGBTR sy-vline 
WA_FINS_CFIN_COQUAN_STR-MEFBTR sy-vline 
WA_FINS_CFIN_COQUAN_STR-MBGBTR sy-vline 
WA_FINS_CFIN_COQUAN_STR-MBFBTR sy-vline 
WA_FINS_CFIN_COQUAN_STR-MEINH sy-vline 
WA_FINS_CFIN_COQUAN_STR-MEINB sy-vline 
WA_FINS_CFIN_COQUAN_STR-PAGBTR sy-vline 
WA_FINS_CFIN_COQUAN_STR-MVFLG sy-vline      INTO ld_text SEPARATED BY SPACE.

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