ABAP Select data from SAP table CYAFVG into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CYAFVG
*  INTO TABLE @DATA(IT_CYAFVG2).
*--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_CYAFVG INDEX 1 INTO DATA(WA_CYAFVG2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CYAFVG>-MANDT = 1.
<CYAFVG>-AUFPL = 1.
<CYAFVG>-APLZL = 1.
<CYAFVG>-PLNAL = 1.
<CYAFVG>-PLNFL = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CYAFVG-PLNTY, sy-vline,
  WA_CYAFVG-PLNNR, sy-vline,
  WA_CYAFVG-PLNKN, sy-vline,
  WA_CYAFVG-VORNR, sy-vline,
  WA_CYAFVG-ARBID, sy-vline,
  WA_CYAFVG-WERKS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CYAFVG 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_CYAFVG 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_CYAFVG INTO WA_CYAFVG.


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

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

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

*Conversion exit NUMCV, internal->external for field VORNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_CYAFVG-VORNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CYAFVG-VORNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSP, internal->external for field PROJN
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_CYAFVG-PROJN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CYAFVG-PROJN.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

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

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

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

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

*Conversion exit CUNIT, internal->external for field USE04
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CYAFVG-USE04
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CYAFVG-USE04.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field USE05
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CYAFVG-USE05
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CYAFVG-USE05.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VNAME
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CYAFVG-VNAME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CYAFVG-VNAME.
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_CYAFVG_STR, 
MANDT TYPE STRING,
AUFPL TYPE STRING,
APLZL TYPE STRING,
PLNAL TYPE STRING,
PLNFL TYPE STRING,
PLNTY TYPE STRING,
PLNNR TYPE STRING,
PLNKN TYPE STRING,
VORNR TYPE STRING,
ARBID TYPE STRING,
WERKS TYPE STRING,
LTXA1 TYPE STRING,
LOART TYPE STRING,
QUALF TYPE STRING,
LOGRP TYPE STRING,
BUKRS TYPE STRING,
RUECK TYPE STRING,
OBJNR TYPE STRING,
PROJN TYPE STRING,
BEDID TYPE STRING,
BEDZL TYPE STRING,
SUMNR TYPE STRING,
CY_SEQNRV TYPE STRING,
ZMERH TYPE STRING,
ZEIER TYPE STRING,
FSAVD TYPE STRING,
FSAVZ TYPE STRING,
FSSBD TYPE STRING,
FSSBZ TYPE STRING,
FSSAD TYPE STRING,
FSSAZ TYPE STRING,
FSEDD TYPE STRING,
FSEDZ TYPE STRING,
FSSLD TYPE STRING,
FSSLZ TYPE STRING,
FSELD TYPE STRING,
FSELZ TYPE STRING,
SSAVD TYPE STRING,
SSAVZ TYPE STRING,
SSSBD TYPE STRING,
SSSBZ TYPE STRING,
SSSAD TYPE STRING,
SSSAZ TYPE STRING,
SSEDD TYPE STRING,
SSEDZ TYPE STRING,
SSSLD TYPE STRING,
SSSLZ TYPE STRING,
SSELD TYPE STRING,
SSELZ TYPE STRING,
ISAVD TYPE STRING,
IEAVD TYPE STRING,
ISDD TYPE STRING,
ISDZ TYPE STRING,
IERD TYPE STRING,
IERZ TYPE STRING,
ISBD TYPE STRING,
ISBZ TYPE STRING,
IEBD TYPE STRING,
IEBZ TYPE STRING,
ISAD TYPE STRING,
ISAZ TYPE STRING,
IEDD TYPE STRING,
IEDZ TYPE STRING,
WARTZ TYPE STRING,
WRTZE TYPE STRING,
RUEST TYPE STRING,
RSTZE TYPE STRING,
BEARZ TYPE STRING,
BEAZE TYPE STRING,
ABRUE TYPE STRING,
ARUZE TYPE STRING,
LIEGZ TYPE STRING,
LIGZE TYPE STRING,
TRANZ TYPE STRING,
TRAZE TYPE STRING,
VERTL TYPE STRING,
PHFLG TYPE STRING,
RFGRP TYPE STRING,
RFSCH TYPE STRING,
RASCH TYPE STRING,
MGVRG TYPE STRING,
MEINH TYPE STRING,
ARBEI TYPE STRING,
ARBEH TYPE STRING,
DAUNO TYPE STRING,
DAUNE TYPE STRING,
EWDAN TYPE STRING,
EWDNE TYPE STRING,
OFMNW TYPE STRING,
ASVRG TYPE STRING,
NPRIO TYPE STRING,
LMNGA TYPE STRING,
ISMNW TYPE STRING,
SLWID TYPE STRING,
USR00 TYPE STRING,
USR01 TYPE STRING,
USR02 TYPE STRING,
USR03 TYPE STRING,
USR04 TYPE STRING,
USE04 TYPE STRING,
USR05 TYPE STRING,
USE05 TYPE STRING,
USR06 TYPE STRING,
USE06 TYPE STRING,
USR07 TYPE STRING,
USE07 TYPE STRING,
USR08 TYPE STRING,
USR09 TYPE STRING,
USR10 TYPE STRING,
USR11 TYPE STRING,
VNAME TYPE STRING,
PERNR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CYAFVG_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_CYAFVG_STR-MANDT sy-vline 
WA_CYAFVG_STR-AUFPL sy-vline 
WA_CYAFVG_STR-APLZL sy-vline 
WA_CYAFVG_STR-PLNAL sy-vline 
WA_CYAFVG_STR-PLNFL sy-vline 
WA_CYAFVG_STR-PLNTY sy-vline 
WA_CYAFVG_STR-PLNNR sy-vline 
WA_CYAFVG_STR-PLNKN sy-vline 
WA_CYAFVG_STR-VORNR sy-vline 
WA_CYAFVG_STR-ARBID sy-vline 
WA_CYAFVG_STR-WERKS sy-vline 
WA_CYAFVG_STR-LTXA1 sy-vline 
WA_CYAFVG_STR-LOART sy-vline 
WA_CYAFVG_STR-QUALF sy-vline 
WA_CYAFVG_STR-LOGRP sy-vline 
WA_CYAFVG_STR-BUKRS sy-vline 
WA_CYAFVG_STR-RUECK sy-vline 
WA_CYAFVG_STR-OBJNR sy-vline 
WA_CYAFVG_STR-PROJN sy-vline 
WA_CYAFVG_STR-BEDID sy-vline 
WA_CYAFVG_STR-BEDZL sy-vline 
WA_CYAFVG_STR-SUMNR sy-vline 
WA_CYAFVG_STR-CY_SEQNRV sy-vline 
WA_CYAFVG_STR-ZMERH sy-vline 
WA_CYAFVG_STR-ZEIER sy-vline 
WA_CYAFVG_STR-FSAVD sy-vline 
WA_CYAFVG_STR-FSAVZ sy-vline 
WA_CYAFVG_STR-FSSBD sy-vline 
WA_CYAFVG_STR-FSSBZ sy-vline 
WA_CYAFVG_STR-FSSAD sy-vline 
WA_CYAFVG_STR-FSSAZ sy-vline 
WA_CYAFVG_STR-FSEDD sy-vline 
WA_CYAFVG_STR-FSEDZ sy-vline 
WA_CYAFVG_STR-FSSLD sy-vline 
WA_CYAFVG_STR-FSSLZ sy-vline 
WA_CYAFVG_STR-FSELD sy-vline 
WA_CYAFVG_STR-FSELZ sy-vline 
WA_CYAFVG_STR-SSAVD sy-vline 
WA_CYAFVG_STR-SSAVZ sy-vline 
WA_CYAFVG_STR-SSSBD sy-vline 
WA_CYAFVG_STR-SSSBZ sy-vline 
WA_CYAFVG_STR-SSSAD sy-vline 
WA_CYAFVG_STR-SSSAZ sy-vline 
WA_CYAFVG_STR-SSEDD sy-vline 
WA_CYAFVG_STR-SSEDZ sy-vline 
WA_CYAFVG_STR-SSSLD sy-vline 
WA_CYAFVG_STR-SSSLZ sy-vline 
WA_CYAFVG_STR-SSELD sy-vline 
WA_CYAFVG_STR-SSELZ sy-vline 
WA_CYAFVG_STR-ISAVD sy-vline 
WA_CYAFVG_STR-IEAVD sy-vline 
WA_CYAFVG_STR-ISDD sy-vline 
WA_CYAFVG_STR-ISDZ sy-vline 
WA_CYAFVG_STR-IERD sy-vline 
WA_CYAFVG_STR-IERZ sy-vline 
WA_CYAFVG_STR-ISBD sy-vline 
WA_CYAFVG_STR-ISBZ sy-vline 
WA_CYAFVG_STR-IEBD sy-vline 
WA_CYAFVG_STR-IEBZ sy-vline 
WA_CYAFVG_STR-ISAD sy-vline 
WA_CYAFVG_STR-ISAZ sy-vline 
WA_CYAFVG_STR-IEDD sy-vline 
WA_CYAFVG_STR-IEDZ sy-vline 
WA_CYAFVG_STR-WARTZ sy-vline 
WA_CYAFVG_STR-WRTZE sy-vline 
WA_CYAFVG_STR-RUEST sy-vline 
WA_CYAFVG_STR-RSTZE sy-vline 
WA_CYAFVG_STR-BEARZ sy-vline 
WA_CYAFVG_STR-BEAZE sy-vline 
WA_CYAFVG_STR-ABRUE sy-vline 
WA_CYAFVG_STR-ARUZE sy-vline 
WA_CYAFVG_STR-LIEGZ sy-vline 
WA_CYAFVG_STR-LIGZE sy-vline 
WA_CYAFVG_STR-TRANZ sy-vline 
WA_CYAFVG_STR-TRAZE sy-vline 
WA_CYAFVG_STR-VERTL sy-vline 
WA_CYAFVG_STR-PHFLG sy-vline 
WA_CYAFVG_STR-RFGRP sy-vline 
WA_CYAFVG_STR-RFSCH sy-vline 
WA_CYAFVG_STR-RASCH sy-vline 
WA_CYAFVG_STR-MGVRG sy-vline 
WA_CYAFVG_STR-MEINH sy-vline 
WA_CYAFVG_STR-ARBEI sy-vline 
WA_CYAFVG_STR-ARBEH sy-vline 
WA_CYAFVG_STR-DAUNO sy-vline 
WA_CYAFVG_STR-DAUNE sy-vline 
WA_CYAFVG_STR-EWDAN sy-vline 
WA_CYAFVG_STR-EWDNE sy-vline 
WA_CYAFVG_STR-OFMNW sy-vline 
WA_CYAFVG_STR-ASVRG sy-vline 
WA_CYAFVG_STR-NPRIO sy-vline 
WA_CYAFVG_STR-LMNGA sy-vline 
WA_CYAFVG_STR-ISMNW sy-vline 
WA_CYAFVG_STR-SLWID sy-vline 
WA_CYAFVG_STR-USR00 sy-vline 
WA_CYAFVG_STR-USR01 sy-vline 
WA_CYAFVG_STR-USR02 sy-vline 
WA_CYAFVG_STR-USR03 sy-vline 
WA_CYAFVG_STR-USR04 sy-vline 
WA_CYAFVG_STR-USE04 sy-vline 
WA_CYAFVG_STR-USR05 sy-vline 
WA_CYAFVG_STR-USE05 sy-vline 
WA_CYAFVG_STR-USR06 sy-vline 
WA_CYAFVG_STR-USE06 sy-vline 
WA_CYAFVG_STR-USR07 sy-vline 
WA_CYAFVG_STR-USE07 sy-vline 
WA_CYAFVG_STR-USR08 sy-vline 
WA_CYAFVG_STR-USR09 sy-vline 
WA_CYAFVG_STR-USR10 sy-vline 
WA_CYAFVG_STR-USR11 sy-vline 
WA_CYAFVG_STR-VNAME sy-vline 
WA_CYAFVG_STR-PERNR sy-vline      INTO ld_text SEPARATED BY SPACE.

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