ABAP Select data from SAP table CRMT_RMCLAUSP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRMT_RMCLAUSP
*  INTO TABLE @DATA(IT_CRMT_RMCLAUSP2).
*--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_CRMT_RMCLAUSP INDEX 1 INTO DATA(WA_CRMT_RMCLAUSP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRMT_RMCLAUSP>-OBJEK = 1.
<CRMT_RMCLAUSP>-ATINN = 1.
<CRMT_RMCLAUSP>-ATZHL = 1.
<CRMT_RMCLAUSP>-KLART = 1.
<CRMT_RMCLAUSP>-MAFID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRMT_RMCLAUSP-ATWRT, sy-vline,
  WA_CRMT_RMCLAUSP-ATFLV, sy-vline,
  WA_CRMT_RMCLAUSP-ATAWE, sy-vline,
  WA_CRMT_RMCLAUSP-ATFLB, sy-vline,
  WA_CRMT_RMCLAUSP-ATAW1, sy-vline,
  WA_CRMT_RMCLAUSP-ATCOD, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRMT_RMCLAUSP 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_CRMT_RMCLAUSP 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_CRMT_RMCLAUSP INTO WA_CRMT_RMCLAUSP.


*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 ATINN, internal->external for field ATINN
CALL FUNCTION 'CONVERSION_EXIT_ATINN_OUTPUT'
  EXPORTING
    input =                      WA_CRMT_RMCLAUSP-ATINN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMT_RMCLAUSP-ATINN.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit CUNIT, internal->external for field ATAW1
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CRMT_RMCLAUSP-ATAW1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMT_RMCLAUSP-ATAW1.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ATINN, internal->external for field ATIMB
CALL FUNCTION 'CONVERSION_EXIT_ATINN_OUTPUT'
  EXPORTING
    input =                      WA_CRMT_RMCLAUSP-ATIMB
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMT_RMCLAUSP-ATIMB.
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_CRMT_RMCLAUSP_STR, 
OBJEK TYPE STRING,
ATINN TYPE STRING,
ATZHL TYPE STRING,
KLART TYPE STRING,
MAFID TYPE STRING,
ATWRT TYPE STRING,
ATFLV TYPE STRING,
ATAWE TYPE STRING,
ATFLB TYPE STRING,
ATAW1 TYPE STRING,
ATCOD TYPE STRING,
ATTLV TYPE STRING,
ATTLB TYPE STRING,
ATPRZ TYPE STRING,
ATINC TYPE STRING,
ATAUT TYPE STRING,
STATU TYPE STRING,
UPDAT TYPE STRING,
DELKZ TYPE STRING,
CUOBJ TYPE STRING,
AENNR TYPE STRING,
DATUV TYPE STRING,
OBTAB TYPE STRING,
ATIMB TYPE STRING,
ATZIS TYPE STRING,
ATSRT TYPE STRING,
ATVGLART TYPE STRING,
ADZHL TYPE STRING,
EST_ATWRT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRMT_RMCLAUSP_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_CRMT_RMCLAUSP_STR-OBJEK sy-vline 
WA_CRMT_RMCLAUSP_STR-ATINN sy-vline 
WA_CRMT_RMCLAUSP_STR-ATZHL sy-vline 
WA_CRMT_RMCLAUSP_STR-KLART sy-vline 
WA_CRMT_RMCLAUSP_STR-MAFID sy-vline 
WA_CRMT_RMCLAUSP_STR-ATWRT sy-vline 
WA_CRMT_RMCLAUSP_STR-ATFLV sy-vline 
WA_CRMT_RMCLAUSP_STR-ATAWE sy-vline 
WA_CRMT_RMCLAUSP_STR-ATFLB sy-vline 
WA_CRMT_RMCLAUSP_STR-ATAW1 sy-vline 
WA_CRMT_RMCLAUSP_STR-ATCOD sy-vline 
WA_CRMT_RMCLAUSP_STR-ATTLV sy-vline 
WA_CRMT_RMCLAUSP_STR-ATTLB sy-vline 
WA_CRMT_RMCLAUSP_STR-ATPRZ sy-vline 
WA_CRMT_RMCLAUSP_STR-ATINC sy-vline 
WA_CRMT_RMCLAUSP_STR-ATAUT sy-vline 
WA_CRMT_RMCLAUSP_STR-STATU sy-vline 
WA_CRMT_RMCLAUSP_STR-UPDAT sy-vline 
WA_CRMT_RMCLAUSP_STR-DELKZ sy-vline 
WA_CRMT_RMCLAUSP_STR-CUOBJ sy-vline 
WA_CRMT_RMCLAUSP_STR-AENNR sy-vline 
WA_CRMT_RMCLAUSP_STR-DATUV sy-vline 
WA_CRMT_RMCLAUSP_STR-OBTAB sy-vline 
WA_CRMT_RMCLAUSP_STR-ATIMB sy-vline 
WA_CRMT_RMCLAUSP_STR-ATZIS sy-vline 
WA_CRMT_RMCLAUSP_STR-ATSRT sy-vline 
WA_CRMT_RMCLAUSP_STR-ATVGLART sy-vline 
WA_CRMT_RMCLAUSP_STR-ADZHL sy-vline 
WA_CRMT_RMCLAUSP_STR-EST_ATWRT sy-vline      INTO ld_text SEPARATED BY SPACE.

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