ABAP Select data from SAP table CRMS4S_SC_CP_H_WRK into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CRMS4S_SC_CP_H_WRK 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 CRMS4S_SC_CP_H_WRK. 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 CRMS4S_SC_CP_H_WRK 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_CRMS4S_SC_CP_H_WRK TYPE STANDARD TABLE OF CRMS4S_SC_CP_H_WRK,
      WA_CRMS4S_SC_CP_H_WRK TYPE CRMS4S_SC_CP_H_WRK,
      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: <CRMS4S_SC_CP_H_WRK> TYPE CRMS4S_SC_CP_H_WRK.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_CRMS4S_SC_CP_H_WRK.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM CRMS4S_SC_CP_H_WRK
  INTO TABLE IT_CRMS4S_SC_CP_H_WRK.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRMS4S_SC_CP_H_WRK
*  INTO TABLE @DATA(IT_CRMS4S_SC_CP_H_WRK2).
*--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_CRMS4S_SC_CP_H_WRK INDEX 1 INTO DATA(WA_CRMS4S_SC_CP_H_WRK2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_CRMS4S_SC_CP_H_WRK ASSIGNING <CRMS4S_SC_CP_H_WRK>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRMS4S_SC_CP_H_WRK>-HANDLE = 1.
<CRMS4S_SC_CP_H_WRK>-CHNG_PROC = 1.
<CRMS4S_SC_CP_H_WRK>-CHNG_PROC_T = 1.
<CRMS4S_SC_CP_H_WRK>-HEADER_PRED = 1.
<CRMS4S_SC_CP_H_WRK>-HEADER_SUCC = 1.

ENDLOOP.

LOOP AT IT_CRMS4S_SC_CP_H_WRK INTO WA_CRMS4S_SC_CP_H_WRK.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRMS4S_SC_CP_H_WRK-SUCC_PROCESS_TYPE, sy-vline,
  WA_CRMS4S_SC_CP_H_WRK-CREATE_QUOTATION, sy-vline,
  WA_CRMS4S_SC_CP_H_WRK-APPOINTMENTS, sy-vline,
  WA_CRMS4S_SC_CP_H_WRK-PARTNER, sy-vline,
  WA_CRMS4S_SC_CP_H_WRK-VALUE_REF, sy-vline,
  WA_CRMS4S_SC_CP_H_WRK-PSVARIANT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRMS4S_SC_CP_H_WRK 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_CRMS4S_SC_CP_H_WRK 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_CRMS4S_SC_CP_H_WRK INTO WA_CRMS4S_SC_CP_H_WRK.


*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 OBJECT_ID_PRED
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CRMS4S_SC_CP_H_WRK-OBJECT_ID_PRED
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMS4S_SC_CP_H_WRK-OBJECT_ID_PRED.
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_CRMS4S_SC_CP_H_WRK_STR, 
HANDLE TYPE STRING,
CHNG_PROC TYPE STRING,
CHNG_PROC_T TYPE STRING,
HEADER_PRED TYPE STRING,
HEADER_SUCC TYPE STRING,
SUCC_PROCESS_TYPE TYPE STRING,
CREATE_QUOTATION TYPE STRING,
APPOINTMENTS TYPE STRING,
PARTNER TYPE STRING,
VALUE_REF TYPE STRING,
PSVARIANT TYPE STRING,
CALCPROC TYPE STRING,
DEFAULT_VALUES TYPE STRING,
AUTO_REL_QUOTE TYPE STRING,
EXTENSION2 TYPE STRING,
OBJECT TYPE STRING,
DATA TYPE STRING,
OBJECT_TYPE TYPE STRING,
OBJECT_ID_PRED TYPE STRING,
PARTNER_PRED TYPE STRING,
POSS_VAL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRMS4S_SC_CP_H_WRK_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_CRMS4S_SC_CP_H_WRK_STR-HANDLE sy-vline 
WA_CRMS4S_SC_CP_H_WRK_STR-CHNG_PROC sy-vline 
WA_CRMS4S_SC_CP_H_WRK_STR-CHNG_PROC_T sy-vline 
WA_CRMS4S_SC_CP_H_WRK_STR-HEADER_PRED sy-vline 
WA_CRMS4S_SC_CP_H_WRK_STR-HEADER_SUCC sy-vline 
WA_CRMS4S_SC_CP_H_WRK_STR-SUCC_PROCESS_TYPE sy-vline 
WA_CRMS4S_SC_CP_H_WRK_STR-CREATE_QUOTATION sy-vline 
WA_CRMS4S_SC_CP_H_WRK_STR-APPOINTMENTS sy-vline 
WA_CRMS4S_SC_CP_H_WRK_STR-PARTNER sy-vline 
WA_CRMS4S_SC_CP_H_WRK_STR-VALUE_REF sy-vline 
WA_CRMS4S_SC_CP_H_WRK_STR-PSVARIANT sy-vline 
WA_CRMS4S_SC_CP_H_WRK_STR-CALCPROC sy-vline 
WA_CRMS4S_SC_CP_H_WRK_STR-DEFAULT_VALUES sy-vline 
WA_CRMS4S_SC_CP_H_WRK_STR-AUTO_REL_QUOTE sy-vline 
WA_CRMS4S_SC_CP_H_WRK_STR-EXTENSION2 sy-vline 
WA_CRMS4S_SC_CP_H_WRK_STR-OBJECT sy-vline 
WA_CRMS4S_SC_CP_H_WRK_STR-DATA sy-vline 
WA_CRMS4S_SC_CP_H_WRK_STR-OBJECT_TYPE sy-vline 
WA_CRMS4S_SC_CP_H_WRK_STR-OBJECT_ID_PRED sy-vline 
WA_CRMS4S_SC_CP_H_WRK_STR-PARTNER_PRED sy-vline 
WA_CRMS4S_SC_CP_H_WRK_STR-POSS_VAL sy-vline      INTO ld_text SEPARATED BY SPACE.

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