ABAP Select data from SAP table FKK_CIT_BASIC_CREATE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKK_CIT_BASIC_CREATE
*  INTO TABLE @DATA(IT_FKK_CIT_BASIC_CREATE2).
*--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_FKK_CIT_BASIC_CREATE INDEX 1 INTO DATA(WA_FKK_CIT_BASIC_CREATE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKK_CIT_BASIC_CREATE>-CITCAT = 1.
<FKK_CIT_BASIC_CREATE>-CITIDTYPE = 1.
<FKK_CIT_BASIC_CREATE>-CITID = 1.
<FKK_CIT_BASIC_CREATE>-CITTYPE = 1.
<FKK_CIT_BASIC_CREATE>-GPART = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKK_CIT_BASIC_CREATE-VKONT, sy-vline,
  WA_FKK_CIT_BASIC_CREATE-VTREF, sy-vline,
  WA_FKK_CIT_BASIC_CREATE-SUBAP, sy-vline,
  WA_FKK_CIT_BASIC_CREATE-VTPOS, sy-vline,
  WA_FKK_CIT_BASIC_CREATE-CONTRACTITEMID, sy-vline,
  WA_FKK_CIT_BASIC_CREATE-ACCESS_USERID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKK_CIT_BASIC_CREATE 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_FKK_CIT_BASIC_CREATE 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_FKK_CIT_BASIC_CREATE INTO WA_FKK_CIT_BASIC_CREATE.


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

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

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

*Conversion exit CITST, internal->external for field CONSUMDATE
CALL FUNCTION 'CONVERSION_EXIT_CITST_OUTPUT'
  EXPORTING
    input =                      WA_FKK_CIT_BASIC_CREATE-CONSUMDATE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKK_CIT_BASIC_CREATE-CONSUMDATE.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field SRCTAID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKK_CIT_BASIC_CREATE-SRCTAID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKK_CIT_BASIC_CREATE-SRCTAID.
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_FKK_CIT_BASIC_CREATE_STR, 
CITCAT TYPE STRING,
CITIDTYPE TYPE STRING,
CITID TYPE STRING,
CITTYPE TYPE STRING,
GPART TYPE STRING,
VKONT TYPE STRING,
VTREF TYPE STRING,
SUBAP TYPE STRING,
VTPOS TYPE STRING,
CONTRACTITEMID TYPE STRING,
ACCESS_USERID TYPE STRING,
ACCESS_USERID_TYPE TYPE STRING,
ACCESS_SERVICEID TYPE STRING,
CONSUMDATE TYPE STRING,
CITDATE TYPE STRING,
CITDATE_FROM TYPE STRING,
CITDATE_TO TYPE STRING,
CITTIME TYPE STRING,
RATINGDATE TYPE STRING,
RATE_BASEDATE TYPE STRING,
RATE_FIRST TYPE STRING,
CIT_AMOUNT TYPE STRING,
CIT_CURR TYPE STRING,
CIT_QUANTITY TYPE STRING,
CIT_QTY_UNIT TYPE STRING,
SRCTATYPE TYPE STRING,
SRCTAID TYPE STRING,
SIMULATED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKK_CIT_BASIC_CREATE_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_FKK_CIT_BASIC_CREATE_STR-CITCAT sy-vline 
WA_FKK_CIT_BASIC_CREATE_STR-CITIDTYPE sy-vline 
WA_FKK_CIT_BASIC_CREATE_STR-CITID sy-vline 
WA_FKK_CIT_BASIC_CREATE_STR-CITTYPE sy-vline 
WA_FKK_CIT_BASIC_CREATE_STR-GPART sy-vline 
WA_FKK_CIT_BASIC_CREATE_STR-VKONT sy-vline 
WA_FKK_CIT_BASIC_CREATE_STR-VTREF sy-vline 
WA_FKK_CIT_BASIC_CREATE_STR-SUBAP sy-vline 
WA_FKK_CIT_BASIC_CREATE_STR-VTPOS sy-vline 
WA_FKK_CIT_BASIC_CREATE_STR-CONTRACTITEMID sy-vline 
WA_FKK_CIT_BASIC_CREATE_STR-ACCESS_USERID sy-vline 
WA_FKK_CIT_BASIC_CREATE_STR-ACCESS_USERID_TYPE sy-vline 
WA_FKK_CIT_BASIC_CREATE_STR-ACCESS_SERVICEID sy-vline 
WA_FKK_CIT_BASIC_CREATE_STR-CONSUMDATE sy-vline 
WA_FKK_CIT_BASIC_CREATE_STR-CITDATE sy-vline 
WA_FKK_CIT_BASIC_CREATE_STR-CITDATE_FROM sy-vline 
WA_FKK_CIT_BASIC_CREATE_STR-CITDATE_TO sy-vline 
WA_FKK_CIT_BASIC_CREATE_STR-CITTIME sy-vline 
WA_FKK_CIT_BASIC_CREATE_STR-RATINGDATE sy-vline 
WA_FKK_CIT_BASIC_CREATE_STR-RATE_BASEDATE sy-vline 
WA_FKK_CIT_BASIC_CREATE_STR-RATE_FIRST sy-vline 
WA_FKK_CIT_BASIC_CREATE_STR-CIT_AMOUNT sy-vline 
WA_FKK_CIT_BASIC_CREATE_STR-CIT_CURR sy-vline 
WA_FKK_CIT_BASIC_CREATE_STR-CIT_QUANTITY sy-vline 
WA_FKK_CIT_BASIC_CREATE_STR-CIT_QTY_UNIT sy-vline 
WA_FKK_CIT_BASIC_CREATE_STR-SRCTATYPE sy-vline 
WA_FKK_CIT_BASIC_CREATE_STR-SRCTAID sy-vline 
WA_FKK_CIT_BASIC_CREATE_STR-SIMULATED sy-vline      INTO ld_text SEPARATED BY SPACE.

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