ABAP Select data from SAP table /SCWM/S_HUMAT_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_HUMAT_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_HUMAT_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_HUMAT_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_HUMAT_INT TYPE STANDARD TABLE OF /SCWM/S_HUMAT_INT,
      WA_/SCWM/S_HUMAT_INT TYPE /SCWM/S_HUMAT_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_HUMAT_INT> TYPE /SCWM/S_HUMAT_INT.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCWM/S_HUMAT_INT
*  INTO TABLE @DATA(IT_/SCWM/S_HUMAT_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_HUMAT_INT INDEX 1 INTO DATA(WA_/SCWM/S_HUMAT_INT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SCWM/S_HUMAT_INT>-SELKZ = 1.
</SCWM/S_HUMAT_INT>-GUID_STOCK0 = 1.
</SCWM/S_HUMAT_INT>-IDX = 1.
</SCWM/S_HUMAT_INT>-MATNR = 1.
</SCWM/S_HUMAT_INT>-LGNUM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCWM/S_HUMAT_INT-MATID, sy-vline,
  WA_/SCWM/S_HUMAT_INT-BATCHID, sy-vline,
  WA_/SCWM/S_HUMAT_INT-CAT, sy-vline,
  WA_/SCWM/S_HUMAT_INT-STOCK_DOCCAT, sy-vline,
  WA_/SCWM/S_HUMAT_INT-STOCK_DOCNO, sy-vline,
  WA_/SCWM/S_HUMAT_INT-STOCK_ITMNO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SCWM/S_HUMAT_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_HUMAT_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_HUMAT_INT INTO WA_/SCWM/S_HUMAT_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 MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_HUMAT_INT-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_HUMAT_INT-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MDLPD, internal->external for field MATID
CALL FUNCTION 'CONVERSION_EXIT_MDLPD_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_HUMAT_INT-MATID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_HUMAT_INT-MATID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit BPMAP, internal->external for field OWNER
CALL FUNCTION 'CONVERSION_EXIT_BPMAP_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_HUMAT_INT-OWNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_HUMAT_INT-OWNER.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit CUNIT, internal->external for field ALTME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_HUMAT_INT-ALTME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_HUMAT_INT-ALTME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_HUMAT_INT-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_HUMAT_INT-MEINS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field LOGME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_HUMAT_INT-LOGME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_HUMAT_INT-LOGME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field CWUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_HUMAT_INT-CWUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_HUMAT_INT-CWUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UNIT_W
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_HUMAT_INT-UNIT_W
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_HUMAT_INT-UNIT_W.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UNIT_V
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_HUMAT_INT-UNIT_V
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_HUMAT_INT-UNIT_V.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field DIMEH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_HUMAT_INT-DIMEH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_HUMAT_INT-DIMEH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MDLPD, internal->external for field RMATP
CALL FUNCTION 'CONVERSION_EXIT_MDLPD_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_HUMAT_INT-RMATP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_HUMAT_INT-RMATP.
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_HUMAT_INT_STR, 
SELKZ TYPE STRING,
GUID_STOCK0 TYPE STRING,
IDX TYPE STRING,
MATNR TYPE STRING,
LGNUM TYPE STRING,
MATID TYPE STRING,
BATCHID TYPE STRING,
CAT TYPE STRING,
STOCK_DOCCAT TYPE STRING,
STOCK_DOCNO TYPE STRING,
STOCK_ITMNO TYPE STRING,
DOCCAT TYPE STRING,
STOCK_USAGE TYPE STRING,
OWNER TYPE STRING,
OWNER_ROLE TYPE STRING,
ENTITLED TYPE STRING,
ENTITLED_ROLE TYPE STRING,
STOCK_CNT TYPE STRING,
VSI TYPE STRING,
MAKTX TYPE STRING,
ALTME TYPE STRING,
TY2QT TYPE STRING,
MEINS TYPE STRING,
UMREZ TYPE STRING,
UMREN TYPE STRING,
UMREF TYPE STRING,
LOGME TYPE STRING,
CWUNIT TYPE STRING,
CWUMREF TYPE STRING,
CWCAPA TYPE STRING,
T_WEIGHT TYPE STRING,
WEIGHT TYPE STRING,
UNIT_W TYPE STRING,
VOLUME TYPE STRING,
UNIT_V TYPE STRING,
MAX_STACK TYPE STRING,
NEST_FTR TYPE STRING,
MKAPV TYPE STRING,
LENGTH TYPE STRING,
WIDTH TYPE STRING,
HEIGHT TYPE STRING,
DIMEH TYPE STRING,
PACKGR TYPE STRING,
XCHAR TYPE STRING,
WDATU TYPE STRING,
VFDAT TYPE STRING,
COO TYPE STRING,
BRESTR TYPE STRING,
RMATP TYPE STRING,
BATCH_REQ TYPE STRING,
SN_STOCK TYPE STRING,
HZMT TYPE STRING,
PMTYP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCWM/S_HUMAT_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_HUMAT_INT_STR-SELKZ sy-vline 
WA_/SCWM/S_HUMAT_INT_STR-GUID_STOCK0 sy-vline 
WA_/SCWM/S_HUMAT_INT_STR-IDX sy-vline 
WA_/SCWM/S_HUMAT_INT_STR-MATNR sy-vline 
WA_/SCWM/S_HUMAT_INT_STR-LGNUM sy-vline 
WA_/SCWM/S_HUMAT_INT_STR-MATID sy-vline 
WA_/SCWM/S_HUMAT_INT_STR-BATCHID sy-vline 
WA_/SCWM/S_HUMAT_INT_STR-CAT sy-vline 
WA_/SCWM/S_HUMAT_INT_STR-STOCK_DOCCAT sy-vline 
WA_/SCWM/S_HUMAT_INT_STR-STOCK_DOCNO sy-vline 
WA_/SCWM/S_HUMAT_INT_STR-STOCK_ITMNO sy-vline 
WA_/SCWM/S_HUMAT_INT_STR-DOCCAT sy-vline 
WA_/SCWM/S_HUMAT_INT_STR-STOCK_USAGE sy-vline 
WA_/SCWM/S_HUMAT_INT_STR-OWNER sy-vline 
WA_/SCWM/S_HUMAT_INT_STR-OWNER_ROLE sy-vline 
WA_/SCWM/S_HUMAT_INT_STR-ENTITLED sy-vline 
WA_/SCWM/S_HUMAT_INT_STR-ENTITLED_ROLE sy-vline 
WA_/SCWM/S_HUMAT_INT_STR-STOCK_CNT sy-vline 
WA_/SCWM/S_HUMAT_INT_STR-VSI sy-vline 
WA_/SCWM/S_HUMAT_INT_STR-MAKTX sy-vline 
WA_/SCWM/S_HUMAT_INT_STR-ALTME sy-vline 
WA_/SCWM/S_HUMAT_INT_STR-TY2QT sy-vline 
WA_/SCWM/S_HUMAT_INT_STR-MEINS sy-vline 
WA_/SCWM/S_HUMAT_INT_STR-UMREZ sy-vline 
WA_/SCWM/S_HUMAT_INT_STR-UMREN sy-vline 
WA_/SCWM/S_HUMAT_INT_STR-UMREF sy-vline 
WA_/SCWM/S_HUMAT_INT_STR-LOGME sy-vline 
WA_/SCWM/S_HUMAT_INT_STR-CWUNIT sy-vline 
WA_/SCWM/S_HUMAT_INT_STR-CWUMREF sy-vline 
WA_/SCWM/S_HUMAT_INT_STR-CWCAPA sy-vline 
WA_/SCWM/S_HUMAT_INT_STR-T_WEIGHT sy-vline 
WA_/SCWM/S_HUMAT_INT_STR-WEIGHT sy-vline 
WA_/SCWM/S_HUMAT_INT_STR-UNIT_W sy-vline 
WA_/SCWM/S_HUMAT_INT_STR-VOLUME sy-vline 
WA_/SCWM/S_HUMAT_INT_STR-UNIT_V sy-vline 
WA_/SCWM/S_HUMAT_INT_STR-MAX_STACK sy-vline 
WA_/SCWM/S_HUMAT_INT_STR-NEST_FTR sy-vline 
WA_/SCWM/S_HUMAT_INT_STR-MKAPV sy-vline 
WA_/SCWM/S_HUMAT_INT_STR-LENGTH sy-vline 
WA_/SCWM/S_HUMAT_INT_STR-WIDTH sy-vline 
WA_/SCWM/S_HUMAT_INT_STR-HEIGHT sy-vline 
WA_/SCWM/S_HUMAT_INT_STR-DIMEH sy-vline 
WA_/SCWM/S_HUMAT_INT_STR-PACKGR sy-vline 
WA_/SCWM/S_HUMAT_INT_STR-XCHAR sy-vline 
WA_/SCWM/S_HUMAT_INT_STR-WDATU sy-vline 
WA_/SCWM/S_HUMAT_INT_STR-VFDAT sy-vline 
WA_/SCWM/S_HUMAT_INT_STR-COO sy-vline 
WA_/SCWM/S_HUMAT_INT_STR-BRESTR sy-vline 
WA_/SCWM/S_HUMAT_INT_STR-RMATP sy-vline 
WA_/SCWM/S_HUMAT_INT_STR-BATCH_REQ sy-vline 
WA_/SCWM/S_HUMAT_INT_STR-SN_STOCK sy-vline 
WA_/SCWM/S_HUMAT_INT_STR-HZMT sy-vline 
WA_/SCWM/S_HUMAT_INT_STR-PMTYP sy-vline      INTO ld_text SEPARATED BY SPACE.

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