ABAP Select data from SAP table T685A into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP T685A 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 T685A. 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 T685A 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_T685A TYPE STANDARD TABLE OF T685A,
      WA_T685A TYPE T685A,
      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: <T685A> TYPE T685A.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_T685A.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM T685A
  INTO TABLE IT_T685A.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM T685A
*  INTO TABLE @DATA(IT_T685A2).
*--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_T685A INDEX 1 INTO DATA(WA_T685A2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_T685A ASSIGNING <T685A>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<T685A>-MANDT = 1.
<T685A>-KAPPL = 1.
<T685A>-KSCHL = 1.
<T685A>-KRECH = 1.
<T685A>-KZBZG = 1.

ENDLOOP.

LOOP AT IT_T685A INTO WA_T685A.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_T685A-KNTYP, sy-vline,
  WA_T685A-KONAU, sy-vline,
  WA_T685A-KMANU, sy-vline,
  WA_T685A-GRZGF, sy-vline,
  WA_T685A-GRLNR, sy-vline,
  WA_T685A-GRMEN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_T685A 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_T685A 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_T685A INTO WA_T685A.


*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 CUNIT, internal->external for field GRMEN
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_T685A-GRMEN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_T685A-GRMEN.
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_T685A_STR, 
MANDT TYPE STRING,
KAPPL TYPE STRING,
KSCHL TYPE STRING,
KRECH TYPE STRING,
KZBZG TYPE STRING,
KNTYP TYPE STRING,
KONAU TYPE STRING,
KMANU TYPE STRING,
GRZGF TYPE STRING,
GRLNR TYPE STRING,
GRMEN TYPE STRING,
GANZZ TYPE STRING,
KGRPE TYPE STRING,
KRELI TYPE STRING,
KDUPL TYPE STRING,
KRUEK TYPE STRING,
KOUPD TYPE STRING,
SOSTA TYPE STRING,
KOFRS TYPE STRING,
KALSM TYPE STRING,
KZNEP TYPE STRING,
KOAID TYPE STRING,
KKOPF TYPE STRING,
KPOSI TYPE STRING,
KNEGA TYPE STRING,
TXPRF TYPE STRING,
KSTPR TYPE STRING,
KAEND_BTR TYPE STRING,
KAEND_WRT TYPE STRING,
KAEND_UFK TYPE STRING,
KAEND_RCH TYPE STRING,
KAEND_LOE TYPE STRING,
KAEND_MEH TYPE STRING,
IDXUP TYPE STRING,
RUKOR TYPE STRING,
BOVER TYPE STRING,
KPRDT TYPE STRING,
STFKZ TYPE STRING,
PRECH TYPE STRING,
BNKWE TYPE STRING,
AKTKO TYPE STRING,
VKKAL TYPE STRING,
VKOBL TYPE STRING,
RKAPPL TYPE STRING,
RKSCHL TYPE STRING,
BERGL TYPE STRING,
VHART TYPE STRING,
RDIFA TYPE STRING,
KFKIV TYPE STRING,
KVARC TYPE STRING,
KMENG TYPE STRING,
MDFLG TYPE STRING,
KTREL TYPE STRING,
BNKTK TYPE STRING,
KFRST TYPE STRING,
TXTGR TYPE STRING,
TDID TYPE STRING,
KDELE TYPE STRING,
KBFLAG TYPE STRING,
PURP TYPE STRING,
DTASRC TYPE STRING,
IS_CPF_ENABLED TYPE STRING,
IS_QTYCNVFCT_ENABLED TYPE STRING,
CCS_USAGE TYPE STRING,
VAL_ZERO TYPE STRING,
IS_CPE_ENABLED TYPE STRING,
OIGRNET TYPE STRING,
OIINVCYC TYPE STRING,
OIREPORT TYPE STRING,
OIHEAD TYPE STRING,
OIITEM TYPE STRING,
OIERRHAN TYPE STRING,
OIDATA TYPE STRING,
OIA_SPLTIV TYPE STRING,
OIRCONDCL TYPE STRING,
OIU_EP TYPE STRING,
WTY_KONDM TYPE STRING,
WTY_KATEG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_T685A_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_T685A_STR-MANDT sy-vline 
WA_T685A_STR-KAPPL sy-vline 
WA_T685A_STR-KSCHL sy-vline 
WA_T685A_STR-KRECH sy-vline 
WA_T685A_STR-KZBZG sy-vline 
WA_T685A_STR-KNTYP sy-vline 
WA_T685A_STR-KONAU sy-vline 
WA_T685A_STR-KMANU sy-vline 
WA_T685A_STR-GRZGF sy-vline 
WA_T685A_STR-GRLNR sy-vline 
WA_T685A_STR-GRMEN sy-vline 
WA_T685A_STR-GANZZ sy-vline 
WA_T685A_STR-KGRPE sy-vline 
WA_T685A_STR-KRELI sy-vline 
WA_T685A_STR-KDUPL sy-vline 
WA_T685A_STR-KRUEK sy-vline 
WA_T685A_STR-KOUPD sy-vline 
WA_T685A_STR-SOSTA sy-vline 
WA_T685A_STR-KOFRS sy-vline 
WA_T685A_STR-KALSM sy-vline 
WA_T685A_STR-KZNEP sy-vline 
WA_T685A_STR-KOAID sy-vline 
WA_T685A_STR-KKOPF sy-vline 
WA_T685A_STR-KPOSI sy-vline 
WA_T685A_STR-KNEGA sy-vline 
WA_T685A_STR-TXPRF sy-vline 
WA_T685A_STR-KSTPR sy-vline 
WA_T685A_STR-KAEND_BTR sy-vline 
WA_T685A_STR-KAEND_WRT sy-vline 
WA_T685A_STR-KAEND_UFK sy-vline 
WA_T685A_STR-KAEND_RCH sy-vline 
WA_T685A_STR-KAEND_LOE sy-vline 
WA_T685A_STR-KAEND_MEH sy-vline 
WA_T685A_STR-IDXUP sy-vline 
WA_T685A_STR-RUKOR sy-vline 
WA_T685A_STR-BOVER sy-vline 
WA_T685A_STR-KPRDT sy-vline 
WA_T685A_STR-STFKZ sy-vline 
WA_T685A_STR-PRECH sy-vline 
WA_T685A_STR-BNKWE sy-vline 
WA_T685A_STR-AKTKO sy-vline 
WA_T685A_STR-VKKAL sy-vline 
WA_T685A_STR-VKOBL sy-vline 
WA_T685A_STR-RKAPPL sy-vline 
WA_T685A_STR-RKSCHL sy-vline 
WA_T685A_STR-BERGL sy-vline 
WA_T685A_STR-VHART sy-vline 
WA_T685A_STR-RDIFA sy-vline 
WA_T685A_STR-KFKIV sy-vline 
WA_T685A_STR-KVARC sy-vline 
WA_T685A_STR-KMENG sy-vline 
WA_T685A_STR-MDFLG sy-vline 
WA_T685A_STR-KTREL sy-vline 
WA_T685A_STR-BNKTK sy-vline 
WA_T685A_STR-KFRST sy-vline 
WA_T685A_STR-TXTGR sy-vline 
WA_T685A_STR-TDID sy-vline 
WA_T685A_STR-KDELE sy-vline 
WA_T685A_STR-KBFLAG sy-vline 
WA_T685A_STR-PURP sy-vline 
WA_T685A_STR-DTASRC sy-vline 
WA_T685A_STR-IS_CPF_ENABLED sy-vline 
WA_T685A_STR-IS_QTYCNVFCT_ENABLED sy-vline 
WA_T685A_STR-CCS_USAGE sy-vline 
WA_T685A_STR-VAL_ZERO sy-vline 
WA_T685A_STR-IS_CPE_ENABLED sy-vline 
WA_T685A_STR-OIGRNET sy-vline 
WA_T685A_STR-OIINVCYC sy-vline 
WA_T685A_STR-OIREPORT sy-vline 
WA_T685A_STR-OIHEAD sy-vline 
WA_T685A_STR-OIITEM sy-vline 
WA_T685A_STR-OIERRHAN sy-vline 
WA_T685A_STR-OIDATA sy-vline 
WA_T685A_STR-OIA_SPLTIV sy-vline 
WA_T685A_STR-OIRCONDCL sy-vline 
WA_T685A_STR-OIU_EP sy-vline 
WA_T685A_STR-WTY_KONDM sy-vline 
WA_T685A_STR-WTY_KATEG sy-vline      INTO ld_text SEPARATED BY SPACE.

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