ABAP Select data from SAP table /SAPCE/FKUA_TVAN into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SAPCE/FKUA_TVAN 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 /SAPCE/FKUA_TVAN. 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 /SAPCE/FKUA_TVAN 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_/SAPCE/FKUA_TVAN TYPE STANDARD TABLE OF /SAPCE/FKUA_TVAN,
      WA_/SAPCE/FKUA_TVAN TYPE /SAPCE/FKUA_TVAN,
      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: </SAPCE/FKUA_TVAN> TYPE /SAPCE/FKUA_TVAN.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SAPCE/FKUA_TVAN
  INTO TABLE IT_/SAPCE/FKUA_TVAN.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPCE/FKUA_TVAN
*  INTO TABLE @DATA(IT_/SAPCE/FKUA_TVAN2).
*--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_/SAPCE/FKUA_TVAN INDEX 1 INTO DATA(WA_/SAPCE/FKUA_TVAN2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SAPCE/FKUA_TVAN ASSIGNING </SAPCE/FKUA_TVAN>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPCE/FKUA_TVAN>-MANDT = 1.
</SAPCE/FKUA_TVAN>-BUKRS = 1.
</SAPCE/FKUA_TVAN>-TVDOC = 1.
</SAPCE/FKUA_TVAN>-TVBEL = 1.
</SAPCE/FKUA_TVAN>-TVUPK = 1.

ENDLOOP.

LOOP AT IT_/SAPCE/FKUA_TVAN INTO WA_/SAPCE/FKUA_TVAN.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPCE/FKUA_TVAN-TXINV, sy-vline,
  WA_/SAPCE/FKUA_TVAN-TXINVC, sy-vline,
  WA_/SAPCE/FKUA_TVAN-GJAHR, sy-vline,
  WA_/SAPCE/FKUA_TVAN-BLDAT, sy-vline,
  WA_/SAPCE/FKUA_TVAN-DOCTYPE, sy-vline,
  WA_/SAPCE/FKUA_TVAN-GPART, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPCE/FKUA_TVAN 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_/SAPCE/FKUA_TVAN 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_/SAPCE/FKUA_TVAN INTO WA_/SAPCE/FKUA_TVAN.


*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 TVDOC
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPCE/FKUA_TVAN-TVDOC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPCE/FKUA_TVAN-TVDOC.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_/SAPCE/FKUA_TVAN-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPCE/FKUA_TVAN-GJAHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit UADTC, internal->external for field DOCTYPE
CALL FUNCTION 'CONVERSION_EXIT_UADTC_OUTPUT'
  EXPORTING
    input =                      WA_/SAPCE/FKUA_TVAN-DOCTYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPCE/FKUA_TVAN-DOCTYPE.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit CUNIT, internal->external for field UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPCE/FKUA_TVAN-UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPCE/FKUA_TVAN-UNIT.
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_/SAPCE/FKUA_TVAN_STR, 
MANDT TYPE STRING,
BUKRS TYPE STRING,
TVDOC TYPE STRING,
TVBEL TYPE STRING,
TVUPK TYPE STRING,
TXINV TYPE STRING,
TXINVC TYPE STRING,
GJAHR TYPE STRING,
BLDAT TYPE STRING,
DOCTYPE TYPE STRING,
GPART TYPE STRING,
VKONT TYPE STRING,
BPTYPE TYPE STRING,
INCLUDED_TO_CRTV TYPE STRING,
SEND_STATUS TYPE STRING,
TYPE_REASON TYPE STRING,
BPTAXNUM TYPE STRING,
BPVATREG TYPE STRING,
BPNAM1 TYPE STRING,
BPNAM2 TYPE STRING,
BPNAM3 TYPE STRING,
BPNAM4 TYPE STRING,
SBASH TYPE STRING,
SBETH TYPE STRING,
WAERS TYPE STRING,
PRNTD TYPE STRING,
ISUSD TYPE STRING,
LEFLA TYPE STRING,
MWSKZ TYPE STRING,
STPRZ TYPE STRING,
BUDAT TYPE STRING,
RCORR TYPE STRING,
UNIT TYPE STRING,
QUANT TYPE STRING,
QUANC TYPE STRING,
QUANB TYPE STRING,
PRICE TYPE STRING,
PRICC TYPE STRING,
PRICB TYPE STRING,
SBASH_OP TYPE STRING,
SBASC_OP TYPE STRING,
SBASB_OP TYPE STRING,
SBETH_OP TYPE STRING,
SBETC_OP TYPE STRING,
SBETB_OP TYPE STRING,
ADJUST_DATE TYPE STRING,
DOCUMENT_FORM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPCE/FKUA_TVAN_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_/SAPCE/FKUA_TVAN_STR-MANDT sy-vline 
WA_/SAPCE/FKUA_TVAN_STR-BUKRS sy-vline 
WA_/SAPCE/FKUA_TVAN_STR-TVDOC sy-vline 
WA_/SAPCE/FKUA_TVAN_STR-TVBEL sy-vline 
WA_/SAPCE/FKUA_TVAN_STR-TVUPK sy-vline 
WA_/SAPCE/FKUA_TVAN_STR-TXINV sy-vline 
WA_/SAPCE/FKUA_TVAN_STR-TXINVC sy-vline 
WA_/SAPCE/FKUA_TVAN_STR-GJAHR sy-vline 
WA_/SAPCE/FKUA_TVAN_STR-BLDAT sy-vline 
WA_/SAPCE/FKUA_TVAN_STR-DOCTYPE sy-vline 
WA_/SAPCE/FKUA_TVAN_STR-GPART sy-vline 
WA_/SAPCE/FKUA_TVAN_STR-VKONT sy-vline 
WA_/SAPCE/FKUA_TVAN_STR-BPTYPE sy-vline 
WA_/SAPCE/FKUA_TVAN_STR-INCLUDED_TO_CRTV sy-vline 
WA_/SAPCE/FKUA_TVAN_STR-SEND_STATUS sy-vline 
WA_/SAPCE/FKUA_TVAN_STR-TYPE_REASON sy-vline 
WA_/SAPCE/FKUA_TVAN_STR-BPTAXNUM sy-vline 
WA_/SAPCE/FKUA_TVAN_STR-BPVATREG sy-vline 
WA_/SAPCE/FKUA_TVAN_STR-BPNAM1 sy-vline 
WA_/SAPCE/FKUA_TVAN_STR-BPNAM2 sy-vline 
WA_/SAPCE/FKUA_TVAN_STR-BPNAM3 sy-vline 
WA_/SAPCE/FKUA_TVAN_STR-BPNAM4 sy-vline 
WA_/SAPCE/FKUA_TVAN_STR-SBASH sy-vline 
WA_/SAPCE/FKUA_TVAN_STR-SBETH sy-vline 
WA_/SAPCE/FKUA_TVAN_STR-WAERS sy-vline 
WA_/SAPCE/FKUA_TVAN_STR-PRNTD sy-vline 
WA_/SAPCE/FKUA_TVAN_STR-ISUSD sy-vline 
WA_/SAPCE/FKUA_TVAN_STR-LEFLA sy-vline 
WA_/SAPCE/FKUA_TVAN_STR-MWSKZ sy-vline 
WA_/SAPCE/FKUA_TVAN_STR-STPRZ sy-vline 
WA_/SAPCE/FKUA_TVAN_STR-BUDAT sy-vline 
WA_/SAPCE/FKUA_TVAN_STR-RCORR sy-vline 
WA_/SAPCE/FKUA_TVAN_STR-UNIT sy-vline 
WA_/SAPCE/FKUA_TVAN_STR-QUANT sy-vline 
WA_/SAPCE/FKUA_TVAN_STR-QUANC sy-vline 
WA_/SAPCE/FKUA_TVAN_STR-QUANB sy-vline 
WA_/SAPCE/FKUA_TVAN_STR-PRICE sy-vline 
WA_/SAPCE/FKUA_TVAN_STR-PRICC sy-vline 
WA_/SAPCE/FKUA_TVAN_STR-PRICB sy-vline 
WA_/SAPCE/FKUA_TVAN_STR-SBASH_OP sy-vline 
WA_/SAPCE/FKUA_TVAN_STR-SBASC_OP sy-vline 
WA_/SAPCE/FKUA_TVAN_STR-SBASB_OP sy-vline 
WA_/SAPCE/FKUA_TVAN_STR-SBETH_OP sy-vline 
WA_/SAPCE/FKUA_TVAN_STR-SBETC_OP sy-vline 
WA_/SAPCE/FKUA_TVAN_STR-SBETB_OP sy-vline 
WA_/SAPCE/FKUA_TVAN_STR-ADJUST_DATE sy-vline 
WA_/SAPCE/FKUA_TVAN_STR-DOCUMENT_FORM sy-vline      INTO ld_text SEPARATED BY SPACE.

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