ABAP Select data from SAP table /SCWM/S_TO_CREA_HU_INT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SCWM/S_TO_CREA_HU_INT 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 /SCWM/S_TO_CREA_HU_INT. 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 /SCWM/S_TO_CREA_HU_INT 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_/SCWM/S_TO_CREA_HU_INT TYPE STANDARD TABLE OF /SCWM/S_TO_CREA_HU_INT,
      WA_/SCWM/S_TO_CREA_HU_INT TYPE /SCWM/S_TO_CREA_HU_INT,
      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: </SCWM/S_TO_CREA_HU_INT> TYPE /SCWM/S_TO_CREA_HU_INT.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SCWM/S_TO_CREA_HU_INT
  INTO TABLE IT_/SCWM/S_TO_CREA_HU_INT.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCWM/S_TO_CREA_HU_INT
*  INTO TABLE @DATA(IT_/SCWM/S_TO_CREA_HU_INT2).
*--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_/SCWM/S_TO_CREA_HU_INT INDEX 1 INTO DATA(WA_/SCWM/S_TO_CREA_HU_INT2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SCWM/S_TO_CREA_HU_INT ASSIGNING </SCWM/S_TO_CREA_HU_INT>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SCWM/S_TO_CREA_HU_INT>-HUIDENT = 1.
</SCWM/S_TO_CREA_HU_INT>-GUID_HU = 1.
</SCWM/S_TO_CREA_HU_INT>-PROCTY = 1.
</SCWM/S_TO_CREA_HU_INT>-PRSRC = 1.
</SCWM/S_TO_CREA_HU_INT>-REASON = 1.

ENDLOOP.

LOOP AT IT_/SCWM/S_TO_CREA_HU_INT INTO WA_/SCWM/S_TO_CREA_HU_INT.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCWM/S_TO_CREA_HU_INT-CRETO, sy-vline,
  WA_/SCWM/S_TO_CREA_HU_INT-SQUIT, sy-vline,
  WA_/SCWM/S_TO_CREA_HU_INT-NOROU, sy-vline,
  WA_/SCWM/S_TO_CREA_HU_INT-NLTYP, sy-vline,
  WA_/SCWM/S_TO_CREA_HU_INT-NLTYPG, sy-vline,
  WA_/SCWM/S_TO_CREA_HU_INT-NLBER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SCWM/S_TO_CREA_HU_INT 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_/SCWM/S_TO_CREA_HU_INT 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_/SCWM/S_TO_CREA_HU_INT INTO WA_/SCWM/S_TO_CREA_HU_INT.


*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 HUID, internal->external for field HUIDENT
CALL FUNCTION 'CONVERSION_EXIT_HUID_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_TO_CREA_HU_INT-HUIDENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_TO_CREA_HU_INT-HUIDENT.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit TSPWM, internal->external for field DTSP
CALL FUNCTION 'CONVERSION_EXIT_TSPWM_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_TO_CREA_HU_INT-DTSP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_TO_CREA_HU_INT-DTSP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit HUID, internal->external for field NLENR
CALL FUNCTION 'CONVERSION_EXIT_HUID_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_TO_CREA_HU_INT-NLENR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_TO_CREA_HU_INT-NLENR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPH0, internal->external for field WHO
CALL FUNCTION 'CONVERSION_EXIT_ALPH0_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_TO_CREA_HU_INT-WHO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_TO_CREA_HU_INT-WHO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SPDEV, internal->external for field LDEST
CALL FUNCTION 'CONVERSION_EXIT_SPDEV_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_TO_CREA_HU_INT-LDEST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_TO_CREA_HU_INT-LDEST.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPH0, internal->external for field WAVE
CALL FUNCTION 'CONVERSION_EXIT_ALPH0_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_TO_CREA_HU_INT-WAVE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_TO_CREA_HU_INT-WAVE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPH0, internal->external for field WAVE_ITM
CALL FUNCTION 'CONVERSION_EXIT_ALPH0_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_TO_CREA_HU_INT-WAVE_ITM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_TO_CREA_HU_INT-WAVE_ITM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit KNBCV, internal->external for field KANBAN
CALL FUNCTION 'CONVERSION_EXIT_KNBCV_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_TO_CREA_HU_INT-KANBAN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_TO_CREA_HU_INT-KANBAN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPH0, internal->external for field REF_WT_RSRC
CALL FUNCTION 'CONVERSION_EXIT_ALPH0_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_TO_CREA_HU_INT-REF_WT_RSRC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_TO_CREA_HU_INT-REF_WT_RSRC.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PSA
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_TO_CREA_HU_INT-PSA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_TO_CREA_HU_INT-PSA.
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_/SCWM/S_TO_CREA_HU_INT_STR, 
HUIDENT TYPE STRING,
GUID_HU TYPE STRING,
PROCTY TYPE STRING,
PRSRC TYPE STRING,
REASON TYPE STRING,
CRETO TYPE STRING,
SQUIT TYPE STRING,
NOROU TYPE STRING,
NLTYP TYPE STRING,
NLTYPG TYPE STRING,
NLBER TYPE STRING,
NLPLA TYPE STRING,
DRSRC TYPE STRING,
DLOGPOS TYPE STRING,
DTU_NUM TYPE STRING,
DTU_NUM_EXT TYPE STRING,
DTSP TYPE STRING,
NLENR TYPE STRING,
DGUID_HU TYPE STRING,
WHO TYPE STRING,
GUID_TO TYPE STRING,
SEQNO TYPE STRING,
LDEST TYPE STRING,
PICK_COMP_DT TYPE STRING,
RDOCRELEVANT TYPE STRING,
WHCOUNT TYPE STRING,
KIT_CREA TYPE STRING,
DSTGRP TYPE STRING,
SATIND TYPE STRING,
WHOSEQ TYPE STRING,
WAVE TYPE STRING,
WAVE_ITM TYPE STRING,
WAVECAT TYPE STRING,
INACTIV TYPE STRING,
VAS TYPE STRING,
MFS_CS TYPE STRING,
ZEILE TYPE STRING,
LINE_ID TYPE STRING,
JIT_RELEVANCE TYPE STRING,
KANBAN TYPE STRING,
REF_WT_RSRC TYPE STRING,
PSA TYPE STRING,
NOLOCK TYPE STRING,
PAS_RELEVANT TYPE STRING,
CREA_HU_DUMMY TYPE STRING,
GUID_PAS TYPE STRING,
MES_IND TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCWM/S_TO_CREA_HU_INT_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_/SCWM/S_TO_CREA_HU_INT_STR-HUIDENT sy-vline 
WA_/SCWM/S_TO_CREA_HU_INT_STR-GUID_HU sy-vline 
WA_/SCWM/S_TO_CREA_HU_INT_STR-PROCTY sy-vline 
WA_/SCWM/S_TO_CREA_HU_INT_STR-PRSRC sy-vline 
WA_/SCWM/S_TO_CREA_HU_INT_STR-REASON sy-vline 
WA_/SCWM/S_TO_CREA_HU_INT_STR-CRETO sy-vline 
WA_/SCWM/S_TO_CREA_HU_INT_STR-SQUIT sy-vline 
WA_/SCWM/S_TO_CREA_HU_INT_STR-NOROU sy-vline 
WA_/SCWM/S_TO_CREA_HU_INT_STR-NLTYP sy-vline 
WA_/SCWM/S_TO_CREA_HU_INT_STR-NLTYPG sy-vline 
WA_/SCWM/S_TO_CREA_HU_INT_STR-NLBER sy-vline 
WA_/SCWM/S_TO_CREA_HU_INT_STR-NLPLA sy-vline 
WA_/SCWM/S_TO_CREA_HU_INT_STR-DRSRC sy-vline 
WA_/SCWM/S_TO_CREA_HU_INT_STR-DLOGPOS sy-vline 
WA_/SCWM/S_TO_CREA_HU_INT_STR-DTU_NUM sy-vline 
WA_/SCWM/S_TO_CREA_HU_INT_STR-DTU_NUM_EXT sy-vline 
WA_/SCWM/S_TO_CREA_HU_INT_STR-DTSP sy-vline 
WA_/SCWM/S_TO_CREA_HU_INT_STR-NLENR sy-vline 
WA_/SCWM/S_TO_CREA_HU_INT_STR-DGUID_HU sy-vline 
WA_/SCWM/S_TO_CREA_HU_INT_STR-WHO sy-vline 
WA_/SCWM/S_TO_CREA_HU_INT_STR-GUID_TO sy-vline 
WA_/SCWM/S_TO_CREA_HU_INT_STR-SEQNO sy-vline 
WA_/SCWM/S_TO_CREA_HU_INT_STR-LDEST sy-vline 
WA_/SCWM/S_TO_CREA_HU_INT_STR-PICK_COMP_DT sy-vline 
WA_/SCWM/S_TO_CREA_HU_INT_STR-RDOCRELEVANT sy-vline 
WA_/SCWM/S_TO_CREA_HU_INT_STR-WHCOUNT sy-vline 
WA_/SCWM/S_TO_CREA_HU_INT_STR-KIT_CREA sy-vline 
WA_/SCWM/S_TO_CREA_HU_INT_STR-DSTGRP sy-vline 
WA_/SCWM/S_TO_CREA_HU_INT_STR-SATIND sy-vline 
WA_/SCWM/S_TO_CREA_HU_INT_STR-WHOSEQ sy-vline 
WA_/SCWM/S_TO_CREA_HU_INT_STR-WAVE sy-vline 
WA_/SCWM/S_TO_CREA_HU_INT_STR-WAVE_ITM sy-vline 
WA_/SCWM/S_TO_CREA_HU_INT_STR-WAVECAT sy-vline 
WA_/SCWM/S_TO_CREA_HU_INT_STR-INACTIV sy-vline 
WA_/SCWM/S_TO_CREA_HU_INT_STR-VAS sy-vline 
WA_/SCWM/S_TO_CREA_HU_INT_STR-MFS_CS sy-vline 
WA_/SCWM/S_TO_CREA_HU_INT_STR-ZEILE sy-vline 
WA_/SCWM/S_TO_CREA_HU_INT_STR-LINE_ID sy-vline 
WA_/SCWM/S_TO_CREA_HU_INT_STR-JIT_RELEVANCE sy-vline 
WA_/SCWM/S_TO_CREA_HU_INT_STR-KANBAN sy-vline 
WA_/SCWM/S_TO_CREA_HU_INT_STR-REF_WT_RSRC sy-vline 
WA_/SCWM/S_TO_CREA_HU_INT_STR-PSA sy-vline 
WA_/SCWM/S_TO_CREA_HU_INT_STR-NOLOCK sy-vline 
WA_/SCWM/S_TO_CREA_HU_INT_STR-PAS_RELEVANT sy-vline 
WA_/SCWM/S_TO_CREA_HU_INT_STR-CREA_HU_DUMMY sy-vline 
WA_/SCWM/S_TO_CREA_HU_INT_STR-GUID_PAS sy-vline 
WA_/SCWM/S_TO_CREA_HU_INT_STR-MES_IND sy-vline      INTO ld_text SEPARATED BY SPACE.

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