ABAP Select data from SAP table CRMT_REPORT_DOCFLOW_WA into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CRMT_REPORT_DOCFLOW_WA 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_REPORT_DOCFLOW_WA. 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_REPORT_DOCFLOW_WA 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_REPORT_DOCFLOW_WA TYPE STANDARD TABLE OF CRMT_REPORT_DOCFLOW_WA,
      WA_CRMT_REPORT_DOCFLOW_WA TYPE CRMT_REPORT_DOCFLOW_WA,
      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_REPORT_DOCFLOW_WA> TYPE CRMT_REPORT_DOCFLOW_WA.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRMT_REPORT_DOCFLOW_WA
*  INTO TABLE @DATA(IT_CRMT_REPORT_DOCFLOW_WA2).
*--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_REPORT_DOCFLOW_WA INDEX 1 INTO DATA(WA_CRMT_REPORT_DOCFLOW_WA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRMT_REPORT_DOCFLOW_WA>-GUID = 1.
<CRMT_REPORT_DOCFLOW_WA>-PREDEC_OBJKEY = 1.
<CRMT_REPORT_DOCFLOW_WA>-PREDEC_OBJTYPE = 1.
<CRMT_REPORT_DOCFLOW_WA>-LOGSYS_PRED = 1.
<CRMT_REPORT_DOCFLOW_WA>-MKT_ELEMENT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRMT_REPORT_DOCFLOW_WA-PRED_LEAD_GUID, sy-vline,
  WA_CRMT_REPORT_DOCFLOW_WA-LEAD_CREATED_AT, sy-vline,
  WA_CRMT_REPORT_DOCFLOW_WA-PRED_OPPT_GUID, sy-vline,
  WA_CRMT_REPORT_DOCFLOW_WA-OPPT_CREATED_AT, sy-vline,
  WA_CRMT_REPORT_DOCFLOW_WA-PRED_ACT_GUID, sy-vline,
  WA_CRMT_REPORT_DOCFLOW_WA-ACT_CATEGORY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRMT_REPORT_DOCFLOW_WA 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_REPORT_DOCFLOW_WA 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_REPORT_DOCFLOW_WA INTO WA_CRMT_REPORT_DOCFLOW_WA.


*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 LOGSYS_PRED
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CRMT_REPORT_DOCFLOW_WA-LOGSYS_PRED
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMT_REPORT_DOCFLOW_WA-LOGSYS_PRED.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit ALPHA, internal->external for field LOGSYS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CRMT_REPORT_DOCFLOW_WA-LOGSYS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRMT_REPORT_DOCFLOW_WA-LOGSYS.
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_REPORT_DOCFLOW_WA_STR, 
GUID TYPE STRING,
PREDEC_OBJKEY TYPE STRING,
PREDEC_OBJTYPE TYPE STRING,
LOGSYS_PRED TYPE STRING,
MKT_ELEMENT TYPE STRING,
PRED_LEAD_GUID TYPE STRING,
LEAD_CREATED_AT TYPE STRING,
PRED_OPPT_GUID TYPE STRING,
OPPT_CREATED_AT TYPE STRING,
PRED_ACT_GUID TYPE STRING,
ACT_CATEGORY TYPE STRING,
ACT_DIRECTION TYPE STRING,
QUOTATION_GUID TYPE STRING,
QUOT_VALID_FROM TYPE STRING,
PROCESS_CATEGORY TYPE STRING,
PROCESS_CATALOG TYPE STRING,
PROCESS_CODEGR TYPE STRING,
PROCESS_CODE TYPE STRING,
PROCESS_OBJTYPE TYPE STRING,
PO_NUMBER TYPE STRING,
PO_ITEM_NUMBER TYPE STRING,
LEAD_CREATED_TS TYPE STRING,
OPPT_CREATED_TS TYPE STRING,
QUOT_VALID_TS TYPE STRING,
OBJKEY TYPE STRING,
OBJTYPE TYPE STRING,
LOGSYS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRMT_REPORT_DOCFLOW_WA_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_REPORT_DOCFLOW_WA_STR-GUID sy-vline 
WA_CRMT_REPORT_DOCFLOW_WA_STR-PREDEC_OBJKEY sy-vline 
WA_CRMT_REPORT_DOCFLOW_WA_STR-PREDEC_OBJTYPE sy-vline 
WA_CRMT_REPORT_DOCFLOW_WA_STR-LOGSYS_PRED sy-vline 
WA_CRMT_REPORT_DOCFLOW_WA_STR-MKT_ELEMENT sy-vline 
WA_CRMT_REPORT_DOCFLOW_WA_STR-PRED_LEAD_GUID sy-vline 
WA_CRMT_REPORT_DOCFLOW_WA_STR-LEAD_CREATED_AT sy-vline 
WA_CRMT_REPORT_DOCFLOW_WA_STR-PRED_OPPT_GUID sy-vline 
WA_CRMT_REPORT_DOCFLOW_WA_STR-OPPT_CREATED_AT sy-vline 
WA_CRMT_REPORT_DOCFLOW_WA_STR-PRED_ACT_GUID sy-vline 
WA_CRMT_REPORT_DOCFLOW_WA_STR-ACT_CATEGORY sy-vline 
WA_CRMT_REPORT_DOCFLOW_WA_STR-ACT_DIRECTION sy-vline 
WA_CRMT_REPORT_DOCFLOW_WA_STR-QUOTATION_GUID sy-vline 
WA_CRMT_REPORT_DOCFLOW_WA_STR-QUOT_VALID_FROM sy-vline 
WA_CRMT_REPORT_DOCFLOW_WA_STR-PROCESS_CATEGORY sy-vline 
WA_CRMT_REPORT_DOCFLOW_WA_STR-PROCESS_CATALOG sy-vline 
WA_CRMT_REPORT_DOCFLOW_WA_STR-PROCESS_CODEGR sy-vline 
WA_CRMT_REPORT_DOCFLOW_WA_STR-PROCESS_CODE sy-vline 
WA_CRMT_REPORT_DOCFLOW_WA_STR-PROCESS_OBJTYPE sy-vline 
WA_CRMT_REPORT_DOCFLOW_WA_STR-PO_NUMBER sy-vline 
WA_CRMT_REPORT_DOCFLOW_WA_STR-PO_ITEM_NUMBER sy-vline 
WA_CRMT_REPORT_DOCFLOW_WA_STR-LEAD_CREATED_TS sy-vline 
WA_CRMT_REPORT_DOCFLOW_WA_STR-OPPT_CREATED_TS sy-vline 
WA_CRMT_REPORT_DOCFLOW_WA_STR-QUOT_VALID_TS sy-vline 
WA_CRMT_REPORT_DOCFLOW_WA_STR-OBJKEY sy-vline 
WA_CRMT_REPORT_DOCFLOW_WA_STR-OBJTYPE sy-vline 
WA_CRMT_REPORT_DOCFLOW_WA_STR-LOGSYS sy-vline      INTO ld_text SEPARATED BY SPACE.

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