ABAP Select data from SAP table U_15679 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP U_15679 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_15679. 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_15679 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_15679 TYPE STANDARD TABLE OF U_15679,
      WA_U_15679 TYPE U_15679,
      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_15679> TYPE U_15679.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_U_15679.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM U_15679
  INTO TABLE IT_U_15679.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM U_15679
*  INTO TABLE @DATA(IT_U_156792).
*--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_15679 INDEX 1 INTO DATA(WA_U_156792).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_U_15679 ASSIGNING <U_15679>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<U_15679>-MANDT = 1.
<U_15679>-PLNTY = 1.
<U_15679>-PLNNR = 1.
<U_15679>-PLNKN = 1.
<U_15679>-ZAEHL = 1.

ENDLOOP.

LOOP AT IT_U_15679 INTO WA_U_15679.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_U_15679-SUMNR, sy-vline,
  WA_U_15679-VORNR, sy-vline,
  WA_U_15679-ZMERH, sy-vline,
  WA_U_15679-ZEIER, sy-vline,
  WA_U_15679-LAR01, sy-vline,
  WA_U_15679-VGE01, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_U_15679 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_15679 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_15679 INTO WA_U_15679.


*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 PLNNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_U_15679-PLNNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_U_15679-PLNNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field VORNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_U_15679-VORNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_U_15679-VORNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ZEIER
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_U_15679-ZEIER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_U_15679-ZEIER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field VGE01
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_U_15679-VGE01
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_U_15679-VGE01.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field VGE02
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_U_15679-VGE02
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_U_15679-VGE02.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field VGE03
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_U_15679-VGE03
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_U_15679-VGE03.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field VGE04
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_U_15679-VGE04
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_U_15679-VGE04.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field VGE05
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_U_15679-VGE05
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_U_15679-VGE05.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field VGE06
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_U_15679-VGE06
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_U_15679-VGE06.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field ZGDAT
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_U_15679-ZGDAT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_U_15679-ZGDAT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ZEIMU
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_U_15679-ZEIMU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_U_15679-ZEIMU.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ZEIMB
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_U_15679-ZEIMB
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_U_15679-ZEIMB.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ZEILM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_U_15679-ZEILM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_U_15679-ZEILM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ZEILP
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_U_15679-ZEILP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_U_15679-ZEILP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ZEIWN
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_U_15679-ZEIWN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_U_15679-ZEIWN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ZEIWM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_U_15679-ZEIWM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_U_15679-ZEIWM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ZEITN
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_U_15679-ZEITN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_U_15679-ZEITN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ZEITM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_U_15679-ZEITM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_U_15679-ZEITM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ANFKO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_U_15679-ANFKO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_U_15679-ANFKO.
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_15679_STR, 
MANDT TYPE STRING,
PLNTY TYPE STRING,
PLNNR TYPE STRING,
PLNKN TYPE STRING,
ZAEHL TYPE STRING,
SUMNR TYPE STRING,
VORNR TYPE STRING,
ZMERH TYPE STRING,
ZEIER TYPE STRING,
LAR01 TYPE STRING,
VGE01 TYPE STRING,
VGW01 TYPE STRING,
LAR02 TYPE STRING,
VGE02 TYPE STRING,
VGW02 TYPE STRING,
LAR03 TYPE STRING,
VGE03 TYPE STRING,
VGW03 TYPE STRING,
LAR04 TYPE STRING,
VGE04 TYPE STRING,
VGW04 TYPE STRING,
VGE05 TYPE STRING,
VGW05 TYPE STRING,
LAR06 TYPE STRING,
VGE06 TYPE STRING,
VGW06 TYPE STRING,
ZERMA TYPE STRING,
ZGDAT TYPE STRING,
ZCODE TYPE STRING,
ZULNR TYPE STRING,
RSANZ TYPE STRING,
LOANZ TYPE STRING,
LOART TYPE STRING,
QUALF TYPE STRING,
ANZMA TYPE STRING,
LOGRP TYPE STRING,
ZEIMU TYPE STRING,
ZMINU TYPE STRING,
MINWE TYPE STRING,
ZEIMB TYPE STRING,
ZMINB TYPE STRING,
ZEILM TYPE STRING,
ZLMAX TYPE STRING,
ZEILP TYPE STRING,
ZLPRO TYPE STRING,
ZEIWN TYPE STRING,
ZWNOR TYPE STRING,
ZEIWM TYPE STRING,
ZWMIN TYPE STRING,
ZEITN TYPE STRING,
ZTNOR TYPE STRING,
ZEITM TYPE STRING,
ZTMIN TYPE STRING,
ABLIPKZ TYPE STRING,
RSTRA TYPE STRING,
ANZZL TYPE STRING,
PRZNT TYPE STRING,
VERTL TYPE STRING,
BUKRS TYPE STRING,
ANFKO TYPE STRING,
ANFKOKRS TYPE STRING,
KAPAR TYPE STRING,
INDET TYPE STRING,
LARNT TYPE STRING,
VERTN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_U_15679_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_15679_STR-MANDT sy-vline 
WA_U_15679_STR-PLNTY sy-vline 
WA_U_15679_STR-PLNNR sy-vline 
WA_U_15679_STR-PLNKN sy-vline 
WA_U_15679_STR-ZAEHL sy-vline 
WA_U_15679_STR-SUMNR sy-vline 
WA_U_15679_STR-VORNR sy-vline 
WA_U_15679_STR-ZMERH sy-vline 
WA_U_15679_STR-ZEIER sy-vline 
WA_U_15679_STR-LAR01 sy-vline 
WA_U_15679_STR-VGE01 sy-vline 
WA_U_15679_STR-VGW01 sy-vline 
WA_U_15679_STR-LAR02 sy-vline 
WA_U_15679_STR-VGE02 sy-vline 
WA_U_15679_STR-VGW02 sy-vline 
WA_U_15679_STR-LAR03 sy-vline 
WA_U_15679_STR-VGE03 sy-vline 
WA_U_15679_STR-VGW03 sy-vline 
WA_U_15679_STR-LAR04 sy-vline 
WA_U_15679_STR-VGE04 sy-vline 
WA_U_15679_STR-VGW04 sy-vline 
WA_U_15679_STR-VGE05 sy-vline 
WA_U_15679_STR-VGW05 sy-vline 
WA_U_15679_STR-LAR06 sy-vline 
WA_U_15679_STR-VGE06 sy-vline 
WA_U_15679_STR-VGW06 sy-vline 
WA_U_15679_STR-ZERMA sy-vline 
WA_U_15679_STR-ZGDAT sy-vline 
WA_U_15679_STR-ZCODE sy-vline 
WA_U_15679_STR-ZULNR sy-vline 
WA_U_15679_STR-RSANZ sy-vline 
WA_U_15679_STR-LOANZ sy-vline 
WA_U_15679_STR-LOART sy-vline 
WA_U_15679_STR-QUALF sy-vline 
WA_U_15679_STR-ANZMA sy-vline 
WA_U_15679_STR-LOGRP sy-vline 
WA_U_15679_STR-ZEIMU sy-vline 
WA_U_15679_STR-ZMINU sy-vline 
WA_U_15679_STR-MINWE sy-vline 
WA_U_15679_STR-ZEIMB sy-vline 
WA_U_15679_STR-ZMINB sy-vline 
WA_U_15679_STR-ZEILM sy-vline 
WA_U_15679_STR-ZLMAX sy-vline 
WA_U_15679_STR-ZEILP sy-vline 
WA_U_15679_STR-ZLPRO sy-vline 
WA_U_15679_STR-ZEIWN sy-vline 
WA_U_15679_STR-ZWNOR sy-vline 
WA_U_15679_STR-ZEIWM sy-vline 
WA_U_15679_STR-ZWMIN sy-vline 
WA_U_15679_STR-ZEITN sy-vline 
WA_U_15679_STR-ZTNOR sy-vline 
WA_U_15679_STR-ZEITM sy-vline 
WA_U_15679_STR-ZTMIN sy-vline 
WA_U_15679_STR-ABLIPKZ sy-vline 
WA_U_15679_STR-RSTRA sy-vline 
WA_U_15679_STR-ANZZL sy-vline 
WA_U_15679_STR-PRZNT sy-vline 
WA_U_15679_STR-VERTL sy-vline 
WA_U_15679_STR-BUKRS sy-vline 
WA_U_15679_STR-ANFKO sy-vline 
WA_U_15679_STR-ANFKOKRS sy-vline 
WA_U_15679_STR-KAPAR sy-vline 
WA_U_15679_STR-INDET sy-vline 
WA_U_15679_STR-LARNT sy-vline 
WA_U_15679_STR-VERTN sy-vline      INTO ld_text SEPARATED BY SPACE.

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