ABAP Select data from SAP table U_13679 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP U_13679 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 U_13679. 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 U_13679 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_U_13679 TYPE STANDARD TABLE OF U_13679,
      WA_U_13679 TYPE U_13679,
      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: <U_13679> TYPE U_13679.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_U_13679.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM U_13679
  INTO TABLE IT_U_13679.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM U_13679
*  INTO TABLE @DATA(IT_U_136792).
*--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_U_13679 INDEX 1 INTO DATA(WA_U_136792).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_U_13679 ASSIGNING <U_13679>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<U_13679>-MANDT = 1.
<U_13679>-OPBEL = 1.
<U_13679>-OPUPW = 1.
<U_13679>-OPUPK = 1.
<U_13679>-OPUPZ = 1.

ENDLOOP.

LOOP AT IT_U_13679 INTO WA_U_13679.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_U_13679-ABWBL, sy-vline,
  WA_U_13679-ABWTP, sy-vline,
  WA_U_13679-APPLK, sy-vline,
  WA_U_13679-HVORG, sy-vline,
  WA_U_13679-TVORG, sy-vline,
  WA_U_13679-SPART, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_U_13679 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_U_13679 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_U_13679 INTO WA_U_13679.


*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 OPBEL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_U_13679-OPBEL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_U_13679-OPBEL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ABWBL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_U_13679-ABWBL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_U_13679-ABWBL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXCRT, internal->external for field KURSF
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_U_13679-KURSF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_U_13679-KURSF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AUGBL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_U_13679-AUGBL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_U_13679-AUGBL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VBUND
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_U_13679-VBUND
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_U_13679-VBUND.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field EMGPA
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_U_13679-EMGPA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_U_13679-EMGPA.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field EMADR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_U_13679-EMADR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_U_13679-EMADR.
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_U_13679_STR, 
MANDT TYPE STRING,
OPBEL TYPE STRING,
OPUPW TYPE STRING,
OPUPK TYPE STRING,
OPUPZ TYPE STRING,
ABWBL TYPE STRING,
ABWTP TYPE STRING,
APPLK TYPE STRING,
HVORG TYPE STRING,
TVORG TYPE STRING,
SPART TYPE STRING,
XANZA TYPE STRING,
OPTXT TYPE STRING,
WAERS TYPE STRING,
FAEDN TYPE STRING,
FAEDS TYPE STRING,
VERKZ TYPE STRING,
STUDT TYPE STRING,
SKTPZ TYPE STRING,
XMANL TYPE STRING,
KURSF TYPE STRING,
BETRH TYPE STRING,
BETRW TYPE STRING,
BETR2 TYPE STRING,
BETR3 TYPE STRING,
SBETH TYPE STRING,
SBETW TYPE STRING,
SBET2 TYPE STRING,
SBET3 TYPE STRING,
SPZAH TYPE STRING,
PERNR TYPE STRING,
GRKEY TYPE STRING,
AUGDT TYPE STRING,
AUGBL TYPE STRING,
AUGBD TYPE STRING,
AUGRD TYPE STRING,
AUGWA TYPE STRING,
AUGBT TYPE STRING,
AUGBS TYPE STRING,
XEIPH TYPE STRING,
MANSP TYPE STRING,
XAUGP TYPE STRING,
ABRZU TYPE STRING,
ABRZO TYPE STRING,
XTAUS TYPE STRING,
AUGRS TYPE STRING,
PYGRP TYPE STRING,
SPERZ TYPE STRING,
INFOZ TYPE STRING,
TXJCD TYPE STRING,
TXDAT TYPE STRING,
VBUND TYPE STRING,
KONTT TYPE STRING,
KONTL TYPE STRING,
OPSTA TYPE STRING,
BLART TYPE STRING,
EMGPA TYPE STRING,
EMBVT TYPE STRING,
EMADR TYPE STRING,
IKEY TYPE STRING,
EUROU TYPE STRING,
XRAGL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_U_13679_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_U_13679_STR-MANDT sy-vline 
WA_U_13679_STR-OPBEL sy-vline 
WA_U_13679_STR-OPUPW sy-vline 
WA_U_13679_STR-OPUPK sy-vline 
WA_U_13679_STR-OPUPZ sy-vline 
WA_U_13679_STR-ABWBL sy-vline 
WA_U_13679_STR-ABWTP sy-vline 
WA_U_13679_STR-APPLK sy-vline 
WA_U_13679_STR-HVORG sy-vline 
WA_U_13679_STR-TVORG sy-vline 
WA_U_13679_STR-SPART sy-vline 
WA_U_13679_STR-XANZA sy-vline 
WA_U_13679_STR-OPTXT sy-vline 
WA_U_13679_STR-WAERS sy-vline 
WA_U_13679_STR-FAEDN sy-vline 
WA_U_13679_STR-FAEDS sy-vline 
WA_U_13679_STR-VERKZ sy-vline 
WA_U_13679_STR-STUDT sy-vline 
WA_U_13679_STR-SKTPZ sy-vline 
WA_U_13679_STR-XMANL sy-vline 
WA_U_13679_STR-KURSF sy-vline 
WA_U_13679_STR-BETRH sy-vline 
WA_U_13679_STR-BETRW sy-vline 
WA_U_13679_STR-BETR2 sy-vline 
WA_U_13679_STR-BETR3 sy-vline 
WA_U_13679_STR-SBETH sy-vline 
WA_U_13679_STR-SBETW sy-vline 
WA_U_13679_STR-SBET2 sy-vline 
WA_U_13679_STR-SBET3 sy-vline 
WA_U_13679_STR-SPZAH sy-vline 
WA_U_13679_STR-PERNR sy-vline 
WA_U_13679_STR-GRKEY sy-vline 
WA_U_13679_STR-AUGDT sy-vline 
WA_U_13679_STR-AUGBL sy-vline 
WA_U_13679_STR-AUGBD sy-vline 
WA_U_13679_STR-AUGRD sy-vline 
WA_U_13679_STR-AUGWA sy-vline 
WA_U_13679_STR-AUGBT sy-vline 
WA_U_13679_STR-AUGBS sy-vline 
WA_U_13679_STR-XEIPH sy-vline 
WA_U_13679_STR-MANSP sy-vline 
WA_U_13679_STR-XAUGP sy-vline 
WA_U_13679_STR-ABRZU sy-vline 
WA_U_13679_STR-ABRZO sy-vline 
WA_U_13679_STR-XTAUS sy-vline 
WA_U_13679_STR-AUGRS sy-vline 
WA_U_13679_STR-PYGRP sy-vline 
WA_U_13679_STR-SPERZ sy-vline 
WA_U_13679_STR-INFOZ sy-vline 
WA_U_13679_STR-TXJCD sy-vline 
WA_U_13679_STR-TXDAT sy-vline 
WA_U_13679_STR-VBUND sy-vline 
WA_U_13679_STR-KONTT sy-vline 
WA_U_13679_STR-KONTL sy-vline 
WA_U_13679_STR-OPSTA sy-vline 
WA_U_13679_STR-BLART sy-vline 
WA_U_13679_STR-EMGPA sy-vline 
WA_U_13679_STR-EMBVT sy-vline 
WA_U_13679_STR-EMADR sy-vline 
WA_U_13679_STR-IKEY sy-vline 
WA_U_13679_STR-EUROU sy-vline 
WA_U_13679_STR-XRAGL sy-vline      INTO ld_text SEPARATED BY SPACE.

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