ABAP Select data from SAP table /ATL/KP007 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /ATL/KP007 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 /ATL/KP007. 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 /ATL/KP007 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_/ATL/KP007 TYPE STANDARD TABLE OF /ATL/KP007,
      WA_/ATL/KP007 TYPE /ATL/KP007,
      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: </ATL/KP007> TYPE /ATL/KP007.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/ATL/KP007.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /ATL/KP007
  INTO TABLE IT_/ATL/KP007.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /ATL/KP007
*  INTO TABLE @DATA(IT_/ATL/KP0072).
*--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_/ATL/KP007 INDEX 1 INTO DATA(WA_/ATL/KP0072).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/ATL/KP007 ASSIGNING </ATL/KP007>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</ATL/KP007>-ZBUKRS = 1.
</ATL/KP007>-ZPAYER = 1.
</ATL/KP007>-ZLIFNR = 1.
</ATL/KP007>-ZHKONT = 1.
</ATL/KP007>-ZUONR = 1.

ENDLOOP.

LOOP AT IT_/ATL/KP007 INTO WA_/ATL/KP007.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/ATL/KP007-ZQBSHB, sy-vline,
  WA_/ATL/KP007-ZBKTXT, sy-vline,
  WA_/ATL/KP007-XBLNR, sy-vline,
  WA_/ATL/KP007-ZDATE, sy-vline,
  WA_/ATL/KP007-ZPRINT, sy-vline,
  WA_/ATL/KP007-ZCOPIES, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/ATL/KP007 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_/ATL/KP007 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_/ATL/KP007 INTO WA_/ATL/KP007.


*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 ZPAYER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/ATL/KP007-ZPAYER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ATL/KP007-ZPAYER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ZLIFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/ATL/KP007-ZLIFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ATL/KP007-ZLIFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ZHKONT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/ATL/KP007-ZHKONT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ATL/KP007-ZHKONT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field ZQBSHB
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_/ATL/KP007-ZQBSHB
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ATL/KP007-ZQBSHB.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC132, internal->external for field ZTOTAMNT
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_/ATL/KP007-ZTOTAMNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ATL/KP007-ZTOTAMNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC132, internal->external for field ZWRBTR
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_/ATL/KP007-ZWRBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ATL/KP007-ZWRBTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SPDEV, internal->external for field SPLD
CALL FUNCTION 'CONVERSION_EXIT_SPDEV_OUTPUT'
  EXPORTING
    input =                      WA_/ATL/KP007-SPLD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ATL/KP007-SPLD.
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_/ATL/KP007_STR, 
ZBUKRS TYPE STRING,
ZPAYER TYPE STRING,
ZLIFNR TYPE STRING,
ZHKONT TYPE STRING,
ZUONR TYPE STRING,
ZQBSHB TYPE STRING,
ZBKTXT TYPE STRING,
XBLNR TYPE STRING,
ZDATE TYPE STRING,
ZPRINT TYPE STRING,
ZCOPIES TYPE STRING,
ZTOTAMNT TYPE STRING,
ZTOTDATES TYPE STRING,
ZBLDAT TYPE STRING,
ZBUDAT TYPE STRING,
ZWRBTR TYPE STRING,
SPLD TYPE STRING,
FLAGBLART2 TYPE STRING,
ZNR TYPE STRING,
ZUONR1 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/ATL/KP007_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_/ATL/KP007_STR-ZBUKRS sy-vline 
WA_/ATL/KP007_STR-ZPAYER sy-vline 
WA_/ATL/KP007_STR-ZLIFNR sy-vline 
WA_/ATL/KP007_STR-ZHKONT sy-vline 
WA_/ATL/KP007_STR-ZUONR sy-vline 
WA_/ATL/KP007_STR-ZQBSHB sy-vline 
WA_/ATL/KP007_STR-ZBKTXT sy-vline 
WA_/ATL/KP007_STR-XBLNR sy-vline 
WA_/ATL/KP007_STR-ZDATE sy-vline 
WA_/ATL/KP007_STR-ZPRINT sy-vline 
WA_/ATL/KP007_STR-ZCOPIES sy-vline 
WA_/ATL/KP007_STR-ZTOTAMNT sy-vline 
WA_/ATL/KP007_STR-ZTOTDATES sy-vline 
WA_/ATL/KP007_STR-ZBLDAT sy-vline 
WA_/ATL/KP007_STR-ZBUDAT sy-vline 
WA_/ATL/KP007_STR-ZWRBTR sy-vline 
WA_/ATL/KP007_STR-SPLD sy-vline 
WA_/ATL/KP007_STR-FLAGBLART2 sy-vline 
WA_/ATL/KP007_STR-ZNR sy-vline 
WA_/ATL/KP007_STR-ZUONR1 sy-vline      INTO ld_text SEPARATED BY SPACE.

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