ABAP Select data from SAP table CRMT_OUTPUT_APPROVAL_S_COM into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CRMT_OUTPUT_APPROVAL_S_COM 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_OUTPUT_APPROVAL_S_COM. 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_OUTPUT_APPROVAL_S_COM 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_OUTPUT_APPROVAL_S_COM TYPE STANDARD TABLE OF CRMT_OUTPUT_APPROVAL_S_COM,
      WA_CRMT_OUTPUT_APPROVAL_S_COM TYPE CRMT_OUTPUT_APPROVAL_S_COM,
      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_OUTPUT_APPROVAL_S_COM> TYPE CRMT_OUTPUT_APPROVAL_S_COM.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRMT_OUTPUT_APPROVAL_S_COM
*  INTO TABLE @DATA(IT_CRMT_OUTPUT_APPROVAL_S_COM2).
*--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_OUTPUT_APPROVAL_S_COM INDEX 1 INTO DATA(WA_CRMT_OUTPUT_APPROVAL_S_COM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRMT_OUTPUT_APPROVAL_S_COM>-CLIENT = 1.
<CRMT_OUTPUT_APPROVAL_S_COM>-GUID = 1.
<CRMT_OUTPUT_APPROVAL_S_COM>-APPROVAL_RESULT = 1.
<CRMT_OUTPUT_APPROVAL_S_COM>-APPROVED_AT = 1.
<CRMT_OUTPUT_APPROVAL_S_COM>-CHANGED_AT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRMT_OUTPUT_APPROVAL_S_COM-ENTERED_BY, sy-vline,
  WA_CRMT_OUTPUT_APPROVAL_S_COM-CREATED_BY, sy-vline,
  WA_CRMT_OUTPUT_APPROVAL_S_COM-CHANGED_BY, sy-vline,
  WA_CRMT_OUTPUT_APPROVAL_S_COM-IS_EDITABLE, sy-vline,
  WA_CRMT_OUTPUT_APPROVAL_S_COM-PARENT_GUID, sy-vline,
  WA_CRMT_OUTPUT_APPROVAL_S_COM-STEP_ID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRMT_OUTPUT_APPROVAL_S_COM 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_OUTPUT_APPROVAL_S_COM 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_OUTPUT_APPROVAL_S_COM INTO WA_CRMT_OUTPUT_APPROVAL_S_COM.


*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 TSTPS, internal->external for field APPROVED_AT
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_CRMT_OUTPUT_APPROVAL_S_COM-APPROVED_AT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMT_OUTPUT_APPROVAL_S_COM-APPROVED_AT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field CHANGED_AT
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_CRMT_OUTPUT_APPROVAL_S_COM-CHANGED_AT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMT_OUTPUT_APPROVAL_S_COM-CHANGED_AT.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit ALPHA, internal->external for field PARTNER_NO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CRMT_OUTPUT_APPROVAL_S_COM-PARTNER_NO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMT_OUTPUT_APPROVAL_S_COM-PARTNER_NO.
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_OUTPUT_APPROVAL_S_COM_STR, 
CLIENT TYPE STRING,
GUID TYPE STRING,
APPROVAL_RESULT TYPE STRING,
APPROVED_AT TYPE STRING,
CHANGED_AT TYPE STRING,
ENTERED_BY TYPE STRING,
CREATED_BY TYPE STRING,
CHANGED_BY TYPE STRING,
IS_EDITABLE TYPE STRING,
PARENT_GUID TYPE STRING,
STEP_ID TYPE STRING,
STEP_NO TYPE STRING,
STEP_SEQUENCE TYPE STRING,
STEP_TYPE TYPE STRING,
PARTNER_FCT TYPE STRING,
PARTNER_NO TYPE STRING,
PROCESSED_BY TYPE STRING,
IS_RELEVANT TYPE STRING,
IS_LOCKED TYPE STRING,
APRV_STATUS_PF TYPE STRING,
APRV_ACT TYPE STRING,
EXECUTION_STATUS TYPE STRING,
MODE TYPE STRING,
NO_AUTHORIZATION TYPE STRING,
PARTNER_NAME TYPE STRING,
APRV_ACT_DESC TYPE STRING,
APRV_PFCT_DESC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRMT_OUTPUT_APPROVAL_S_COM_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_OUTPUT_APPROVAL_S_COM_STR-CLIENT sy-vline 
WA_CRMT_OUTPUT_APPROVAL_S_COM_STR-GUID sy-vline 
WA_CRMT_OUTPUT_APPROVAL_S_COM_STR-APPROVAL_RESULT sy-vline 
WA_CRMT_OUTPUT_APPROVAL_S_COM_STR-APPROVED_AT sy-vline 
WA_CRMT_OUTPUT_APPROVAL_S_COM_STR-CHANGED_AT sy-vline 
WA_CRMT_OUTPUT_APPROVAL_S_COM_STR-ENTERED_BY sy-vline 
WA_CRMT_OUTPUT_APPROVAL_S_COM_STR-CREATED_BY sy-vline 
WA_CRMT_OUTPUT_APPROVAL_S_COM_STR-CHANGED_BY sy-vline 
WA_CRMT_OUTPUT_APPROVAL_S_COM_STR-IS_EDITABLE sy-vline 
WA_CRMT_OUTPUT_APPROVAL_S_COM_STR-PARENT_GUID sy-vline 
WA_CRMT_OUTPUT_APPROVAL_S_COM_STR-STEP_ID sy-vline 
WA_CRMT_OUTPUT_APPROVAL_S_COM_STR-STEP_NO sy-vline 
WA_CRMT_OUTPUT_APPROVAL_S_COM_STR-STEP_SEQUENCE sy-vline 
WA_CRMT_OUTPUT_APPROVAL_S_COM_STR-STEP_TYPE sy-vline 
WA_CRMT_OUTPUT_APPROVAL_S_COM_STR-PARTNER_FCT sy-vline 
WA_CRMT_OUTPUT_APPROVAL_S_COM_STR-PARTNER_NO sy-vline 
WA_CRMT_OUTPUT_APPROVAL_S_COM_STR-PROCESSED_BY sy-vline 
WA_CRMT_OUTPUT_APPROVAL_S_COM_STR-IS_RELEVANT sy-vline 
WA_CRMT_OUTPUT_APPROVAL_S_COM_STR-IS_LOCKED sy-vline 
WA_CRMT_OUTPUT_APPROVAL_S_COM_STR-APRV_STATUS_PF sy-vline 
WA_CRMT_OUTPUT_APPROVAL_S_COM_STR-APRV_ACT sy-vline 
WA_CRMT_OUTPUT_APPROVAL_S_COM_STR-EXECUTION_STATUS sy-vline 
WA_CRMT_OUTPUT_APPROVAL_S_COM_STR-MODE sy-vline 
WA_CRMT_OUTPUT_APPROVAL_S_COM_STR-NO_AUTHORIZATION sy-vline 
WA_CRMT_OUTPUT_APPROVAL_S_COM_STR-PARTNER_NAME sy-vline 
WA_CRMT_OUTPUT_APPROVAL_S_COM_STR-APRV_ACT_DESC sy-vline 
WA_CRMT_OUTPUT_APPROVAL_S_COM_STR-APRV_PFCT_DESC sy-vline      INTO ld_text SEPARATED BY SPACE.

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