ABAP Select data from SAP table CRM_ISU_DFKKMKO_ATTR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRM_ISU_DFKKMKO_ATTR
*  INTO TABLE @DATA(IT_CRM_ISU_DFKKMKO_ATTR2).
*--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_CRM_ISU_DFKKMKO_ATTR INDEX 1 INTO DATA(WA_CRM_ISU_DFKKMKO_ATTR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRM_ISU_DFKKMKO_ATTR>-MANDT = 1.
<CRM_ISU_DFKKMKO_ATTR>-OPBEL = 1.
<CRM_ISU_DFKKMKO_ATTR>-FIKEY = 1.
<CRM_ISU_DFKKMKO_ATTR>-APPLK = 1.
<CRM_ISU_DFKKMKO_ATTR>-BLART = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRM_ISU_DFKKMKO_ATTR-HERKF, sy-vline,
  WA_CRM_ISU_DFKKMKO_ATTR-ERNAM, sy-vline,
  WA_CRM_ISU_DFKKMKO_ATTR-CPUDT, sy-vline,
  WA_CRM_ISU_DFKKMKO_ATTR-CPUTM, sy-vline,
  WA_CRM_ISU_DFKKMKO_ATTR-WAERS, sy-vline,
  WA_CRM_ISU_DFKKMKO_ATTR-BLDAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRM_ISU_DFKKMKO_ATTR 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_CRM_ISU_DFKKMKO_ATTR 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_CRM_ISU_DFKKMKO_ATTR INTO WA_CRM_ISU_DFKKMKO_ATTR.


*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_CRM_ISU_DFKKMKO_ATTR-OPBEL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRM_ISU_DFKKMKO_ATTR-OPBEL.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit ALPHA, internal->external for field AWSYS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CRM_ISU_DFKKMKO_ATTR-AWSYS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRM_ISU_DFKKMKO_ATTR-AWSYS.
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_CRM_ISU_DFKKMKO_ATTR_STR, 
MANDT TYPE STRING,
OPBEL TYPE STRING,
FIKEY TYPE STRING,
APPLK TYPE STRING,
BLART TYPE STRING,
HERKF TYPE STRING,
ERNAM TYPE STRING,
CPUDT TYPE STRING,
CPUTM TYPE STRING,
WAERS TYPE STRING,
BLDAT TYPE STRING,
BUDAT TYPE STRING,
WWERT TYPE STRING,
XBLNR TYPE STRING,
RLGRD TYPE STRING,
ABGRD TYPE STRING,
XEIBH TYPE STRING,
XBWER TYPE STRING,
AWTYP TYPE STRING,
AWKEY TYPE STRING,
STBEL TYPE STRING,
STMET TYPE STRING,
BLTYP TYPE STRING,
AGINF TYPE STRING,
STBUK TYPE STRING,
STORB TYPE STRING,
APPDX TYPE STRING,
AWSYS TYPE STRING,
VERSN TYPE STRING,
C4EYE TYPE STRING,
C4EYP TYPE STRING,
TATYP TYPE STRING,
HBBLA TYPE STRING,
XCSHA TYPE STRING,
UTLOC TYPE STRING,
XTXCH TYPE STRING,
VATDATE TYPE STRING,
WNPER TYPE STRING,
XSING TYPE STRING,
KEYPP TYPE STRING,
ACTIVITY_STATUS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRM_ISU_DFKKMKO_ATTR_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_CRM_ISU_DFKKMKO_ATTR_STR-MANDT sy-vline 
WA_CRM_ISU_DFKKMKO_ATTR_STR-OPBEL sy-vline 
WA_CRM_ISU_DFKKMKO_ATTR_STR-FIKEY sy-vline 
WA_CRM_ISU_DFKKMKO_ATTR_STR-APPLK sy-vline 
WA_CRM_ISU_DFKKMKO_ATTR_STR-BLART sy-vline 
WA_CRM_ISU_DFKKMKO_ATTR_STR-HERKF sy-vline 
WA_CRM_ISU_DFKKMKO_ATTR_STR-ERNAM sy-vline 
WA_CRM_ISU_DFKKMKO_ATTR_STR-CPUDT sy-vline 
WA_CRM_ISU_DFKKMKO_ATTR_STR-CPUTM sy-vline 
WA_CRM_ISU_DFKKMKO_ATTR_STR-WAERS sy-vline 
WA_CRM_ISU_DFKKMKO_ATTR_STR-BLDAT sy-vline 
WA_CRM_ISU_DFKKMKO_ATTR_STR-BUDAT sy-vline 
WA_CRM_ISU_DFKKMKO_ATTR_STR-WWERT sy-vline 
WA_CRM_ISU_DFKKMKO_ATTR_STR-XBLNR sy-vline 
WA_CRM_ISU_DFKKMKO_ATTR_STR-RLGRD sy-vline 
WA_CRM_ISU_DFKKMKO_ATTR_STR-ABGRD sy-vline 
WA_CRM_ISU_DFKKMKO_ATTR_STR-XEIBH sy-vline 
WA_CRM_ISU_DFKKMKO_ATTR_STR-XBWER sy-vline 
WA_CRM_ISU_DFKKMKO_ATTR_STR-AWTYP sy-vline 
WA_CRM_ISU_DFKKMKO_ATTR_STR-AWKEY sy-vline 
WA_CRM_ISU_DFKKMKO_ATTR_STR-STBEL sy-vline 
WA_CRM_ISU_DFKKMKO_ATTR_STR-STMET sy-vline 
WA_CRM_ISU_DFKKMKO_ATTR_STR-BLTYP sy-vline 
WA_CRM_ISU_DFKKMKO_ATTR_STR-AGINF sy-vline 
WA_CRM_ISU_DFKKMKO_ATTR_STR-STBUK sy-vline 
WA_CRM_ISU_DFKKMKO_ATTR_STR-STORB sy-vline 
WA_CRM_ISU_DFKKMKO_ATTR_STR-APPDX sy-vline 
WA_CRM_ISU_DFKKMKO_ATTR_STR-AWSYS sy-vline 
WA_CRM_ISU_DFKKMKO_ATTR_STR-VERSN sy-vline 
WA_CRM_ISU_DFKKMKO_ATTR_STR-C4EYE sy-vline 
WA_CRM_ISU_DFKKMKO_ATTR_STR-C4EYP sy-vline 
WA_CRM_ISU_DFKKMKO_ATTR_STR-TATYP sy-vline 
WA_CRM_ISU_DFKKMKO_ATTR_STR-HBBLA sy-vline 
WA_CRM_ISU_DFKKMKO_ATTR_STR-XCSHA sy-vline 
WA_CRM_ISU_DFKKMKO_ATTR_STR-UTLOC sy-vline 
WA_CRM_ISU_DFKKMKO_ATTR_STR-XTXCH sy-vline 
WA_CRM_ISU_DFKKMKO_ATTR_STR-VATDATE sy-vline 
WA_CRM_ISU_DFKKMKO_ATTR_STR-WNPER sy-vline 
WA_CRM_ISU_DFKKMKO_ATTR_STR-XSING sy-vline 
WA_CRM_ISU_DFKKMKO_ATTR_STR-KEYPP sy-vline 
WA_CRM_ISU_DFKKMKO_ATTR_STR-ACTIVITY_STATUS sy-vline      INTO ld_text SEPARATED BY SPACE.

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