ABAP Select data from SAP table T685B into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP T685B 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 T685B. 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 T685B 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_T685B TYPE STANDARD TABLE OF T685B,
      WA_T685B TYPE T685B,
      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: <T685B> TYPE T685B.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_T685B.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM T685B
  INTO TABLE IT_T685B.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM T685B
*  INTO TABLE @DATA(IT_T685B2).
*--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_T685B INDEX 1 INTO DATA(WA_T685B2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_T685B ASSIGNING <T685B>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<T685B>-MANDT = 1.
<T685B>-KAPPL = 1.
<T685B>-KSCHL = 1.
<T685B>-PARAB = 1.
<T685B>-PRKEY = 1.

ENDLOOP.

LOOP AT IT_T685B INTO WA_T685B.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_T685B-MAXTDNAME, sy-vline,
  WA_T685B-VSZTP, sy-vline,
  WA_T685B-NACHA, sy-vline,
  WA_T685B-TXTFL, sy-vline,
  WA_T685B-TPROG, sy-vline,
  WA_T685B-TROUT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_T685B 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_T685B 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_T685B INTO WA_T685B.


*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 PARVW, internal->external for field PARVW
CALL FUNCTION 'CONVERSION_EXIT_PARVW_OUTPUT'
  EXPORTING
    input =                      WA_T685B-PARVW
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_T685B-PARVW.
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_T685B_STR, 
MANDT TYPE STRING,
KAPPL TYPE STRING,
KSCHL TYPE STRING,
PARAB TYPE STRING,
PRKEY TYPE STRING,
MAXTDNAME TYPE STRING,
VSZTP TYPE STRING,
NACHA TYPE STRING,
TXTFL TYPE STRING,
TPROG TYPE STRING,
TROUT TYPE STRING,
PPROG TYPE STRING,
PROUT TYPE STRING,
PARVW TYPE STRING,
ERLV1 TYPE STRING,
ERLV2 TYPE STRING,
ERLV3 TYPE STRING,
ERLV4 TYPE STRING,
KNZUG TYPE STRING,
NBEAR TYPE STRING,
MEHRF TYPE STRING,
TDARMOD TYPE STRING,
ARCOBJART TYPE STRING,
APROG TYPE STRING,
AROUT TYPE STRING,
OBJNAM TYPE STRING,
OBJPRI TYPE STRING,
OBJCP TYPE STRING,
FNDTIMPRG TYPE STRING,
FNDTIMRTN TYPE STRING,
NOPROG TYPE STRING,
SORTPRG TYPE STRING,
SORTRTN TYPE STRING,
NOPROTOCOL TYPE STRING,
SORT1 TYPE STRING,
SORT2 TYPE STRING,
SORT3 TYPE STRING,
STRATEGY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_T685B_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_T685B_STR-MANDT sy-vline 
WA_T685B_STR-KAPPL sy-vline 
WA_T685B_STR-KSCHL sy-vline 
WA_T685B_STR-PARAB sy-vline 
WA_T685B_STR-PRKEY sy-vline 
WA_T685B_STR-MAXTDNAME sy-vline 
WA_T685B_STR-VSZTP sy-vline 
WA_T685B_STR-NACHA sy-vline 
WA_T685B_STR-TXTFL sy-vline 
WA_T685B_STR-TPROG sy-vline 
WA_T685B_STR-TROUT sy-vline 
WA_T685B_STR-PPROG sy-vline 
WA_T685B_STR-PROUT sy-vline 
WA_T685B_STR-PARVW sy-vline 
WA_T685B_STR-ERLV1 sy-vline 
WA_T685B_STR-ERLV2 sy-vline 
WA_T685B_STR-ERLV3 sy-vline 
WA_T685B_STR-ERLV4 sy-vline 
WA_T685B_STR-KNZUG sy-vline 
WA_T685B_STR-NBEAR sy-vline 
WA_T685B_STR-MEHRF sy-vline 
WA_T685B_STR-TDARMOD sy-vline 
WA_T685B_STR-ARCOBJART sy-vline 
WA_T685B_STR-APROG sy-vline 
WA_T685B_STR-AROUT sy-vline 
WA_T685B_STR-OBJNAM sy-vline 
WA_T685B_STR-OBJPRI sy-vline 
WA_T685B_STR-OBJCP sy-vline 
WA_T685B_STR-FNDTIMPRG sy-vline 
WA_T685B_STR-FNDTIMRTN sy-vline 
WA_T685B_STR-NOPROG sy-vline 
WA_T685B_STR-SORTPRG sy-vline 
WA_T685B_STR-SORTRTN sy-vline 
WA_T685B_STR-NOPROTOCOL sy-vline 
WA_T685B_STR-SORT1 sy-vline 
WA_T685B_STR-SORT2 sy-vline 
WA_T685B_STR-SORT3 sy-vline 
WA_T685B_STR-STRATEGY sy-vline      INTO ld_text SEPARATED BY SPACE.

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