ABAP Select data from SAP table V_T691F into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP V_T691F 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 V_T691F. 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 V_T691F 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_V_T691F TYPE STANDARD TABLE OF V_T691F,
      WA_V_T691F TYPE V_T691F,
      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: <V_T691F> TYPE V_T691F.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_V_T691F.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM V_T691F
  INTO TABLE IT_V_T691F.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM V_T691F
*  INTO TABLE @DATA(IT_V_T691F2).
*--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_V_T691F INDEX 1 INTO DATA(WA_V_T691F2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_V_T691F ASSIGNING <V_T691F>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<V_T691F>-MANDT = 1.
<V_T691F>-KKBER = 1.
<V_T691F>-CTLPC = 1.
<V_T691F>-CRMGR = 1.
<V_T691F>-CRDBI = 1.

ENDLOOP.

LOOP AT IT_V_T691F INTO WA_V_T691F.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_V_T691F-CRPRC, sy-vline,
  WA_V_T691F-CRCRE, sy-vline,
  WA_V_T691F-DKLIM, sy-vline,
  WA_V_T691F-SEAAF, sy-vline,
  WA_V_T691F-TAGEF, sy-vline,
  WA_V_T691F-CMPAA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_V_T691F 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_V_T691F 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_V_T691F INTO WA_V_T691F.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_V_T691F_STR, 
MANDT TYPE STRING,
KKBER TYPE STRING,
CTLPC TYPE STRING,
CRMGR TYPE STRING,
CRDBI TYPE STRING,
CRPRC TYPE STRING,
CRCRE TYPE STRING,
DKLIM TYPE STRING,
SEAAF TYPE STRING,
TAGEF TYPE STRING,
CMPAA TYPE STRING,
STVAW TYPE STRING,
STVLW TYPE STRING,
STREA TYPE STRING,
STSET TYPE STRING,
CMPAB TYPE STRING,
WOVLW TYPE STRING,
WSWIN TYPE STRING,
WSREA TYPE STRING,
WLSET TYPE STRING,
CMPAC TYPE STRING,
MAVAL TYPE STRING,
MAREA TYPE STRING,
MASET TYPE STRING,
CMPAD TYPE STRING,
FSREA TYPE STRING,
FSSET TYPE STRING,
CMPAE TYPE STRING,
RVTOL TYPE STRING,
RSREA TYPE STRING,
RESET TYPE STRING,
CMPAF TYPE STRING,
PDMAX TYPE STRING,
PDTOL TYPE STRING,
PDREA TYPE STRING,
PDSET TYPE STRING,
CMPAG TYPE STRING,
OITOL TYPE STRING,
OIREA TYPE STRING,
OISET TYPE STRING,
CMPAH TYPE STRING,
DUNNG TYPE STRING,
DNREA TYPE STRING,
DNSET TYPE STRING,
CMPAI TYPE STRING,
SPVAL TYPE STRING,
SPREA TYPE STRING,
SPSET TYPE STRING,
CMPAJ TYPE STRING,
PJREA TYPE STRING,
PJSET TYPE STRING,
CMPAK TYPE STRING,
PKREA TYPE STRING,
PKSET TYPE STRING,
CMPAL TYPE STRING,
PLREA TYPE STRING,
PLSET TYPE STRING,
USRPR0 TYPE STRING,
USR0REA TYPE STRING,
USR0SET TYPE STRING,
USRPR1 TYPE STRING,
USR1REA TYPE STRING,
USR1SET TYPE STRING,
USRPR2 TYPE STRING,
USR2REA TYPE STRING,
USR2SET TYPE STRING,
CMPAM TYPE STRING,
PMREA TYPE STRING,
PMSET TYPE STRING,
PRBEZ TYPE STRING,
WAERS TYPE STRING,
STAFO TYPE STRING,
PERIV TYPE STRING,
CECKI TYPE STRING,
REGUL TYPE STRING,
GRPNO TYPE STRING,
DVSEA TYPE STRING,
DBSEA TYPE STRING,
ERLTA TYPE STRING,
ERLST TYPE STRING,
SEAAFPM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_V_T691F_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_V_T691F_STR-MANDT sy-vline 
WA_V_T691F_STR-KKBER sy-vline 
WA_V_T691F_STR-CTLPC sy-vline 
WA_V_T691F_STR-CRMGR sy-vline 
WA_V_T691F_STR-CRDBI sy-vline 
WA_V_T691F_STR-CRPRC sy-vline 
WA_V_T691F_STR-CRCRE sy-vline 
WA_V_T691F_STR-DKLIM sy-vline 
WA_V_T691F_STR-SEAAF sy-vline 
WA_V_T691F_STR-TAGEF sy-vline 
WA_V_T691F_STR-CMPAA sy-vline 
WA_V_T691F_STR-STVAW sy-vline 
WA_V_T691F_STR-STVLW sy-vline 
WA_V_T691F_STR-STREA sy-vline 
WA_V_T691F_STR-STSET sy-vline 
WA_V_T691F_STR-CMPAB sy-vline 
WA_V_T691F_STR-WOVLW sy-vline 
WA_V_T691F_STR-WSWIN sy-vline 
WA_V_T691F_STR-WSREA sy-vline 
WA_V_T691F_STR-WLSET sy-vline 
WA_V_T691F_STR-CMPAC sy-vline 
WA_V_T691F_STR-MAVAL sy-vline 
WA_V_T691F_STR-MAREA sy-vline 
WA_V_T691F_STR-MASET sy-vline 
WA_V_T691F_STR-CMPAD sy-vline 
WA_V_T691F_STR-FSREA sy-vline 
WA_V_T691F_STR-FSSET sy-vline 
WA_V_T691F_STR-CMPAE sy-vline 
WA_V_T691F_STR-RVTOL sy-vline 
WA_V_T691F_STR-RSREA sy-vline 
WA_V_T691F_STR-RESET sy-vline 
WA_V_T691F_STR-CMPAF sy-vline 
WA_V_T691F_STR-PDMAX sy-vline 
WA_V_T691F_STR-PDTOL sy-vline 
WA_V_T691F_STR-PDREA sy-vline 
WA_V_T691F_STR-PDSET sy-vline 
WA_V_T691F_STR-CMPAG sy-vline 
WA_V_T691F_STR-OITOL sy-vline 
WA_V_T691F_STR-OIREA sy-vline 
WA_V_T691F_STR-OISET sy-vline 
WA_V_T691F_STR-CMPAH sy-vline 
WA_V_T691F_STR-DUNNG sy-vline 
WA_V_T691F_STR-DNREA sy-vline 
WA_V_T691F_STR-DNSET sy-vline 
WA_V_T691F_STR-CMPAI sy-vline 
WA_V_T691F_STR-SPVAL sy-vline 
WA_V_T691F_STR-SPREA sy-vline 
WA_V_T691F_STR-SPSET sy-vline 
WA_V_T691F_STR-CMPAJ sy-vline 
WA_V_T691F_STR-PJREA sy-vline 
WA_V_T691F_STR-PJSET sy-vline 
WA_V_T691F_STR-CMPAK sy-vline 
WA_V_T691F_STR-PKREA sy-vline 
WA_V_T691F_STR-PKSET sy-vline 
WA_V_T691F_STR-CMPAL sy-vline 
WA_V_T691F_STR-PLREA sy-vline 
WA_V_T691F_STR-PLSET sy-vline 
WA_V_T691F_STR-USRPR0 sy-vline 
WA_V_T691F_STR-USR0REA sy-vline 
WA_V_T691F_STR-USR0SET sy-vline 
WA_V_T691F_STR-USRPR1 sy-vline 
WA_V_T691F_STR-USR1REA sy-vline 
WA_V_T691F_STR-USR1SET sy-vline 
WA_V_T691F_STR-USRPR2 sy-vline 
WA_V_T691F_STR-USR2REA sy-vline 
WA_V_T691F_STR-USR2SET sy-vline 
WA_V_T691F_STR-CMPAM sy-vline 
WA_V_T691F_STR-PMREA sy-vline 
WA_V_T691F_STR-PMSET sy-vline 
WA_V_T691F_STR-PRBEZ sy-vline 
WA_V_T691F_STR-WAERS sy-vline 
WA_V_T691F_STR-STAFO sy-vline 
WA_V_T691F_STR-PERIV sy-vline 
WA_V_T691F_STR-CECKI sy-vline 
WA_V_T691F_STR-REGUL sy-vline 
WA_V_T691F_STR-GRPNO sy-vline 
WA_V_T691F_STR-DVSEA sy-vline 
WA_V_T691F_STR-DBSEA sy-vline 
WA_V_T691F_STR-ERLTA sy-vline 
WA_V_T691F_STR-ERLST sy-vline 
WA_V_T691F_STR-SEAAFPM sy-vline      INTO ld_text SEPARATED BY SPACE.

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