ABAP Select data from SAP table CFG_FIN_CAA1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CFG_FIN_CAA1 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 CFG_FIN_CAA1. 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 CFG_FIN_CAA1 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_CFG_FIN_CAA1 TYPE STANDARD TABLE OF CFG_FIN_CAA1,
      WA_CFG_FIN_CAA1 TYPE CFG_FIN_CAA1,
      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: <CFG_FIN_CAA1> TYPE CFG_FIN_CAA1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_CFG_FIN_CAA1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM CFG_FIN_CAA1
  INTO TABLE IT_CFG_FIN_CAA1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CFG_FIN_CAA1
*  INTO TABLE @DATA(IT_CFG_FIN_CAA12).
*--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_CFG_FIN_CAA1 INDEX 1 INTO DATA(WA_CFG_FIN_CAA12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_CFG_FIN_CAA1 ASSIGNING <CFG_FIN_CAA1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CFG_FIN_CAA1>-I_MANDT = 1.
<CFG_FIN_CAA1>-I_VKONT = 1.
<CFG_FIN_CAA1>-I_ABVTY = 1.
<CFG_FIN_CAA1>-I_AZAWE = 1.
<CFG_FIN_CAA1>-I_COPRC = 1.

ENDLOOP.

LOOP AT IT_CFG_FIN_CAA1 INTO WA_CFG_FIN_CAA1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CFG_FIN_CAA1-I_EBVTY, sy-vline,
  WA_CFG_FIN_CAA1-I_CCARD_ID, sy-vline,
  WA_CFG_FIN_CAA1-I_CCARD_OUT, sy-vline,
  WA_CFG_FIN_CAA1-I_EZAWE, sy-vline,
  WA_CFG_FIN_CAA1-I_GPART, sy-vline,
  WA_CFG_FIN_CAA1-I_MAHNV, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CFG_FIN_CAA1 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_CFG_FIN_CAA1 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_CFG_FIN_CAA1 INTO WA_CFG_FIN_CAA1.


*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 I_VKONT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CFG_FIN_CAA1-I_VKONT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CFG_FIN_CAA1-I_VKONT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field I_GPART
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CFG_FIN_CAA1-I_GPART
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CFG_FIN_CAA1-I_GPART.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field I_FDGRP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CFG_FIN_CAA1-I_FDGRP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CFG_FIN_CAA1-I_FDGRP.
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_CFG_FIN_CAA1_STR, 
I_MANDT TYPE STRING,
I_VKONT TYPE STRING,
I_ABVTY TYPE STRING,
I_AZAWE TYPE STRING,
I_COPRC TYPE STRING,
I_EBVTY TYPE STRING,
I_CCARD_ID TYPE STRING,
I_CCARD_OUT TYPE STRING,
I_EZAWE TYPE STRING,
I_GPART TYPE STRING,
I_MAHNV TYPE STRING,
I_MGRUP TYPE STRING,
I_OPBUK TYPE STRING,
I_STDBK TYPE STRING,
I_TOGRU TYPE STRING,
I_FDGRP TYPE STRING,
I_IKEY TYPE STRING,
I_VALDT TYPE STRING,
I_VKBEZ TYPE STRING,
I_VKPBZ TYPE STRING,
I_VKTYP TYPE STRING,
I_ZAHLKOND TYPE STRING,
I_KOFIZ_SD TYPE STRING,
I_INV_CATEGORY TYPE STRING,
I_INV_CYCLE TYPE STRING,
I_INV_CYCLE_START TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CFG_FIN_CAA1_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_CFG_FIN_CAA1_STR-I_MANDT sy-vline 
WA_CFG_FIN_CAA1_STR-I_VKONT sy-vline 
WA_CFG_FIN_CAA1_STR-I_ABVTY sy-vline 
WA_CFG_FIN_CAA1_STR-I_AZAWE sy-vline 
WA_CFG_FIN_CAA1_STR-I_COPRC sy-vline 
WA_CFG_FIN_CAA1_STR-I_EBVTY sy-vline 
WA_CFG_FIN_CAA1_STR-I_CCARD_ID sy-vline 
WA_CFG_FIN_CAA1_STR-I_CCARD_OUT sy-vline 
WA_CFG_FIN_CAA1_STR-I_EZAWE sy-vline 
WA_CFG_FIN_CAA1_STR-I_GPART sy-vline 
WA_CFG_FIN_CAA1_STR-I_MAHNV sy-vline 
WA_CFG_FIN_CAA1_STR-I_MGRUP sy-vline 
WA_CFG_FIN_CAA1_STR-I_OPBUK sy-vline 
WA_CFG_FIN_CAA1_STR-I_STDBK sy-vline 
WA_CFG_FIN_CAA1_STR-I_TOGRU sy-vline 
WA_CFG_FIN_CAA1_STR-I_FDGRP sy-vline 
WA_CFG_FIN_CAA1_STR-I_IKEY sy-vline 
WA_CFG_FIN_CAA1_STR-I_VALDT sy-vline 
WA_CFG_FIN_CAA1_STR-I_VKBEZ sy-vline 
WA_CFG_FIN_CAA1_STR-I_VKPBZ sy-vline 
WA_CFG_FIN_CAA1_STR-I_VKTYP sy-vline 
WA_CFG_FIN_CAA1_STR-I_ZAHLKOND sy-vline 
WA_CFG_FIN_CAA1_STR-I_KOFIZ_SD sy-vline 
WA_CFG_FIN_CAA1_STR-I_INV_CATEGORY sy-vline 
WA_CFG_FIN_CAA1_STR-I_INV_CYCLE sy-vline 
WA_CFG_FIN_CAA1_STR-I_INV_CYCLE_START sy-vline      INTO ld_text SEPARATED BY SPACE.

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