ABAP Select data from SAP table CYFI1 into internal table

Get Example source ABAP code based on a different SAP table
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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CYFI1 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 CYFI1. 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 CYFI1 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_CYFI1 TYPE STANDARD TABLE OF CYFI1,
      WA_CYFI1 TYPE CYFI1,
      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: <CYFI1> TYPE CYFI1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_CYFI1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM CYFI1
  INTO TABLE IT_CYFI1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CYFI1
*  INTO TABLE @DATA(IT_CYFI12).
*--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_CYFI1 INDEX 1 INTO DATA(WA_CYFI12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_CYFI1 ASSIGNING <CYFI1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CYFI1>-MANDT = 1.
<CYFI1>-KAPAR = 1.
<CYFI1>-ARBPL = 1.
<CYFI1>-VERWE = 1.
<CYFI1>-VERAN = 1.

ENDLOOP.

LOOP AT IT_CYFI1 INTO WA_CYFI1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CYFI1-WERKS, sy-vline,
  WA_CYFI1-LOART, sy-vline,
  WA_CYFI1-QUALF, sy-vline,
  WA_CYFI1-TYPKZ, sy-vline,
  WA_CYFI1-PLANR, sy-vline,
  WA_CYFI1-AUFNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CYFI1 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_CYFI1 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_CYFI1 INTO WA_CYFI1.


*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 AUFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CYFI1-AUFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CYFI1-AUFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KOSTV
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CYFI1-KOSTV
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CYFI1-KOSTV.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KSTAR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CYFI1-KSTAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CYFI1-KSTAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KOSTL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CYFI1-KOSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CYFI1-KOSTL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SAKNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CYFI1-SAKNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CYFI1-SAKNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PLNUM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CYFI1-PLNUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CYFI1-PLNUM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_CYFI1-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CYFI1-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KDAUF
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CYFI1-KDAUF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CYFI1-KDAUF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field VORNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_CYFI1-VORNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CYFI1-VORNR.
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_CYFI1_STR, 
MANDT TYPE STRING,
KAPAR TYPE STRING,
ARBPL TYPE STRING,
VERWE TYPE STRING,
VERAN TYPE STRING,
WERKS TYPE STRING,
LOART TYPE STRING,
QUALF TYPE STRING,
TYPKZ TYPE STRING,
PLANR TYPE STRING,
AUFNR TYPE STRING,
PLGRP TYPE STRING,
DISPO TYPE STRING,
AUART TYPE STRING,
AUTYP TYPE STRING,
FEVOR TYPE STRING,
BUKRS TYPE STRING,
GSBER TYPE STRING,
KOKRS TYPE STRING,
CCKEY TYPE STRING,
KOSTV TYPE STRING,
ABKRS TYPE STRING,
KSTAR TYPE STRING,
KOSTL TYPE STRING,
SAKNR TYPE STRING,
LOGRP TYPE STRING,
PLNUM TYPE STRING,
MATNR TYPE STRING,
PLWRK TYPE STRING,
PWWRK TYPE STRING,
PAART TYPE STRING,
BESKZ TYPE STRING,
PLSCN TYPE STRING,
AUFFX TYPE STRING,
KAPFX TYPE STRING,
AUKOISTAT TYPE STRING,
AUKOTXT03 TYPE STRING,
AFVGISTAT TYPE STRING,
AFVGTXT03 TYPE STRING,
STAND TYPE STRING,
NAME TYPE STRING,
KDAUF TYPE STRING,
KDPOS TYPE STRING,
PROJN TYPE STRING,
VORNR TYPE STRING,
AFKOSELID TYPE STRING,
AFVGSELID TYPE STRING,
AFVGLOART TYPE STRING,
AFVGLOGRP TYPE STRING,
AFVGQUALF TYPE STRING,
BSTKZ TYPE STRING,
APRIO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CYFI1_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_CYFI1_STR-MANDT sy-vline 
WA_CYFI1_STR-KAPAR sy-vline 
WA_CYFI1_STR-ARBPL sy-vline 
WA_CYFI1_STR-VERWE sy-vline 
WA_CYFI1_STR-VERAN sy-vline 
WA_CYFI1_STR-WERKS sy-vline 
WA_CYFI1_STR-LOART sy-vline 
WA_CYFI1_STR-QUALF sy-vline 
WA_CYFI1_STR-TYPKZ sy-vline 
WA_CYFI1_STR-PLANR sy-vline 
WA_CYFI1_STR-AUFNR sy-vline 
WA_CYFI1_STR-PLGRP sy-vline 
WA_CYFI1_STR-DISPO sy-vline 
WA_CYFI1_STR-AUART sy-vline 
WA_CYFI1_STR-AUTYP sy-vline 
WA_CYFI1_STR-FEVOR sy-vline 
WA_CYFI1_STR-BUKRS sy-vline 
WA_CYFI1_STR-GSBER sy-vline 
WA_CYFI1_STR-KOKRS sy-vline 
WA_CYFI1_STR-CCKEY sy-vline 
WA_CYFI1_STR-KOSTV sy-vline 
WA_CYFI1_STR-ABKRS sy-vline 
WA_CYFI1_STR-KSTAR sy-vline 
WA_CYFI1_STR-KOSTL sy-vline 
WA_CYFI1_STR-SAKNR sy-vline 
WA_CYFI1_STR-LOGRP sy-vline 
WA_CYFI1_STR-PLNUM sy-vline 
WA_CYFI1_STR-MATNR sy-vline 
WA_CYFI1_STR-PLWRK sy-vline 
WA_CYFI1_STR-PWWRK sy-vline 
WA_CYFI1_STR-PAART sy-vline 
WA_CYFI1_STR-BESKZ sy-vline 
WA_CYFI1_STR-PLSCN sy-vline 
WA_CYFI1_STR-AUFFX sy-vline 
WA_CYFI1_STR-KAPFX sy-vline 
WA_CYFI1_STR-AUKOISTAT sy-vline 
WA_CYFI1_STR-AUKOTXT03 sy-vline 
WA_CYFI1_STR-AFVGISTAT sy-vline 
WA_CYFI1_STR-AFVGTXT03 sy-vline 
WA_CYFI1_STR-STAND sy-vline 
WA_CYFI1_STR-NAME sy-vline 
WA_CYFI1_STR-KDAUF sy-vline 
WA_CYFI1_STR-KDPOS sy-vline 
WA_CYFI1_STR-PROJN sy-vline 
WA_CYFI1_STR-VORNR sy-vline 
WA_CYFI1_STR-AFKOSELID sy-vline 
WA_CYFI1_STR-AFVGSELID sy-vline 
WA_CYFI1_STR-AFVGLOART sy-vline 
WA_CYFI1_STR-AFVGLOGRP sy-vline 
WA_CYFI1_STR-AFVGQUALF sy-vline 
WA_CYFI1_STR-BSTKZ sy-vline 
WA_CYFI1_STR-APRIO sy-vline      INTO ld_text SEPARATED BY SPACE.

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