ABAP Select data from SAP table TPMS_DEDOC_KEY_TO_VM_FLOW into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TPMS_DEDOC_KEY_TO_VM_FLOW
*  INTO TABLE @DATA(IT_TPMS_DEDOC_KEY_TO_VM_FLOW2).
*--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_TPMS_DEDOC_KEY_TO_VM_FLOW INDEX 1 INTO DATA(WA_TPMS_DEDOC_KEY_TO_VM_FLOW2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TPMS_DEDOC_KEY_TO_VM_FLOW>-KEY = 1.
<TPMS_DEDOC_KEY_TO_VM_FLOW>-OBJNR_TEMP = 1.
<TPMS_DEDOC_KEY_TO_VM_FLOW>-OBJNR_EXT = 1.
<TPMS_DEDOC_KEY_TO_VM_FLOW>-RDOCNRINT = 1.
<TPMS_DEDOC_KEY_TO_VM_FLOW>-VMFL = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TPMS_DEDOC_KEY_TO_VM_FLOW-MANDT, sy-vline,
  WA_TPMS_DEDOC_KEY_TO_VM_FLOW-BUKRS, sy-vline,
  WA_TPMS_DEDOC_KEY_TO_VM_FLOW-RLOT, sy-vline,
  WA_TPMS_DEDOC_KEY_TO_VM_FLOW-DSTICH, sy-vline,
  WA_TPMS_DEDOC_KEY_TO_VM_FLOW-DCRDAT, sy-vline,
  WA_TPMS_DEDOC_KEY_TO_VM_FLOW-TCRTIM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_TPMS_DEDOC_KEY_TO_VM_FLOW 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_TPMS_DEDOC_KEY_TO_VM_FLOW 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_TPMS_DEDOC_KEY_TO_VM_FLOW INTO WA_TPMS_DEDOC_KEY_TO_VM_FLOW.


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

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

*Conversion exit ALPHA, internal->external for field RTRBELNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_TPMS_DEDOC_KEY_TO_VM_FLOW-RTRBELNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TPMS_DEDOC_KEY_TO_VM_FLOW-RTRBELNR.
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_TPMS_DEDOC_KEY_TO_VM_FLOW_STR, 
KEY TYPE STRING,
OBJNR_TEMP TYPE STRING,
OBJNR_EXT TYPE STRING,
RDOCNRINT TYPE STRING,
VMFL TYPE STRING,
MANDT TYPE STRING,
BUKRS TYPE STRING,
RLOT TYPE STRING,
DSTICH TYPE STRING,
DCRDAT TYPE STRING,
TCRTIM TYPE STRING,
RFLOW TYPE STRING,
RANL TYPE STRING,
RLDEPO TYPE STRING,
SFHAZBA TYPE STRING,
RANTYP TYPE STRING,
SSIGN TYPE STRING,
STRDOCSTAT TYPE STRING,
DZTERM TYPE STRING,
BZBETR TYPE STRING,
WZBETR TYPE STRING,
BHWBETR TYPE STRING,
WHWCURR TYPE STRING,
DBESTAND TYPE STRING,
BBWBETR TYPE STRING,
WBWCURR TYPE STRING,
PMCAT TYPE STRING,
RTRBELNR TYPE STRING,
CRUSER TYPE STRING,
UPUSER TYPE STRING,
DUPDAT TYPE STRING,
TUPTIM TYPE STRING,
OBJNR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TPMS_DEDOC_KEY_TO_VM_FLOW_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_TPMS_DEDOC_KEY_TO_VM_FLOW_STR-KEY sy-vline 
WA_TPMS_DEDOC_KEY_TO_VM_FLOW_STR-OBJNR_TEMP sy-vline 
WA_TPMS_DEDOC_KEY_TO_VM_FLOW_STR-OBJNR_EXT sy-vline 
WA_TPMS_DEDOC_KEY_TO_VM_FLOW_STR-RDOCNRINT sy-vline 
WA_TPMS_DEDOC_KEY_TO_VM_FLOW_STR-VMFL sy-vline 
WA_TPMS_DEDOC_KEY_TO_VM_FLOW_STR-MANDT sy-vline 
WA_TPMS_DEDOC_KEY_TO_VM_FLOW_STR-BUKRS sy-vline 
WA_TPMS_DEDOC_KEY_TO_VM_FLOW_STR-RLOT sy-vline 
WA_TPMS_DEDOC_KEY_TO_VM_FLOW_STR-DSTICH sy-vline 
WA_TPMS_DEDOC_KEY_TO_VM_FLOW_STR-DCRDAT sy-vline 
WA_TPMS_DEDOC_KEY_TO_VM_FLOW_STR-TCRTIM sy-vline 
WA_TPMS_DEDOC_KEY_TO_VM_FLOW_STR-RFLOW sy-vline 
WA_TPMS_DEDOC_KEY_TO_VM_FLOW_STR-RANL sy-vline 
WA_TPMS_DEDOC_KEY_TO_VM_FLOW_STR-RLDEPO sy-vline 
WA_TPMS_DEDOC_KEY_TO_VM_FLOW_STR-SFHAZBA sy-vline 
WA_TPMS_DEDOC_KEY_TO_VM_FLOW_STR-RANTYP sy-vline 
WA_TPMS_DEDOC_KEY_TO_VM_FLOW_STR-SSIGN sy-vline 
WA_TPMS_DEDOC_KEY_TO_VM_FLOW_STR-STRDOCSTAT sy-vline 
WA_TPMS_DEDOC_KEY_TO_VM_FLOW_STR-DZTERM sy-vline 
WA_TPMS_DEDOC_KEY_TO_VM_FLOW_STR-BZBETR sy-vline 
WA_TPMS_DEDOC_KEY_TO_VM_FLOW_STR-WZBETR sy-vline 
WA_TPMS_DEDOC_KEY_TO_VM_FLOW_STR-BHWBETR sy-vline 
WA_TPMS_DEDOC_KEY_TO_VM_FLOW_STR-WHWCURR sy-vline 
WA_TPMS_DEDOC_KEY_TO_VM_FLOW_STR-DBESTAND sy-vline 
WA_TPMS_DEDOC_KEY_TO_VM_FLOW_STR-BBWBETR sy-vline 
WA_TPMS_DEDOC_KEY_TO_VM_FLOW_STR-WBWCURR sy-vline 
WA_TPMS_DEDOC_KEY_TO_VM_FLOW_STR-PMCAT sy-vline 
WA_TPMS_DEDOC_KEY_TO_VM_FLOW_STR-RTRBELNR sy-vline 
WA_TPMS_DEDOC_KEY_TO_VM_FLOW_STR-CRUSER sy-vline 
WA_TPMS_DEDOC_KEY_TO_VM_FLOW_STR-UPUSER sy-vline 
WA_TPMS_DEDOC_KEY_TO_VM_FLOW_STR-DUPDAT sy-vline 
WA_TPMS_DEDOC_KEY_TO_VM_FLOW_STR-TUPTIM sy-vline 
WA_TPMS_DEDOC_KEY_TO_VM_FLOW_STR-OBJNR sy-vline      INTO ld_text SEPARATED BY SPACE.

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