ABAP Select data from SAP table MCHTMS1DRM into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP MCHTMS1DRM 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 MCHTMS1DRM. 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 MCHTMS1DRM 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_MCHTMS1DRM TYPE STANDARD TABLE OF MCHTMS1DRM,
      WA_MCHTMS1DRM TYPE MCHTMS1DRM,
      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: <MCHTMS1DRM> TYPE MCHTMS1DRM.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_MCHTMS1DRM.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM MCHTMS1DRM
  INTO TABLE IT_MCHTMS1DRM.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MCHTMS1DRM
*  INTO TABLE @DATA(IT_MCHTMS1DRM2).
*--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_MCHTMS1DRM INDEX 1 INTO DATA(WA_MCHTMS1DRM2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_MCHTMS1DRM ASSIGNING <MCHTMS1DRM>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MCHTMS1DRM>-BASME = 1.
<MCHTMS1DRM>-BLAMCLM = 1.
<MCHTMS1DRM>-BLQTCLM = 1.
<MCHTMS1DRM>-DIST_CHNL = 1.
<MCHTMS1DRM>-DIVN = 1.

ENDLOOP.

LOOP AT IT_MCHTMS1DRM INTO WA_MCHTMS1DRM.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MCHTMS1DRM-DRTAMBAP, sy-vline,
  WA_MCHTMS1DRM-DRTAMBP, sy-vline,
  WA_MCHTMS1DRM-DRTAMNL, sy-vline,
  WA_MCHTMS1DRM-DRTQYNAP, sy-vline,
  WA_MCHTMS1DRM-DSAMBP, sy-vline,
  WA_MCHTMS1DRM-DSAMNL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MCHTMS1DRM 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_MCHTMS1DRM 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_MCHTMS1DRM INTO WA_MCHTMS1DRM.


*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 CUNIT, internal->external for field BASME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MCHTMS1DRM-BASME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MCHTMS1DRM-BASME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ENDCUST
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MCHTMS1DRM-ENDCUST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MCHTMS1DRM-ENDCUST.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXCRT, internal->external for field KURSK
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_MCHTMS1DRM-KURSK
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MCHTMS1DRM-KURSK.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_MCHTMS1DRM-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MCHTMS1DRM-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PARTNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MCHTMS1DRM-PARTNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MCHTMS1DRM-PARTNER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXCRT, internal->external for field STCUR
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_MCHTMS1DRM-STCUR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MCHTMS1DRM-STCUR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field TRK_PRNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MCHTMS1DRM-TRK_PRNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MCHTMS1DRM-TRK_PRNR.
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_MCHTMS1DRM_STR, 
BASME TYPE STRING,
BLAMCLM TYPE STRING,
BLQTCLM TYPE STRING,
DIST_CHNL TYPE STRING,
DIVN TYPE STRING,
DRTAMBAP TYPE STRING,
DRTAMBP TYPE STRING,
DRTAMNL TYPE STRING,
DRTQYNAP TYPE STRING,
DSAMBP TYPE STRING,
DSAMNL TYPE STRING,
DSQYBP TYPE STRING,
DSQYNL TYPE STRING,
DUPL_STAT TYPE STRING,
EFF_DATE TYPE STRING,
ENDCUST TYPE STRING,
ERTAMNL TYPE STRING,
ERTQTBP TYPE STRING,
ERTQTNL TYPE STRING,
HWAER TYPE STRING,
IDOC_TYPE TYPE STRING,
INT_XMNO TYPE STRING,
KURSK TYPE STRING,
KURSK_DT TYPE STRING,
MAIN_CURR TYPE STRING,
MANDT TYPE STRING,
MATNR TYPE STRING,
MN_CURR TYPE STRING,
MSG_TYPE TYPE STRING,
NCRQYBP TYPE STRING,
NCRQYNL TYPE STRING,
PARTNER TYPE STRING,
PCRQYBP TYPE STRING,
PCRQYNL TYPE STRING,
PLANT TYPE STRING,
PPAMCR TYPE STRING,
PPAMDB TYPE STRING,
PPQTCR TYPE STRING,
PPQTDB TYPE STRING,
PURCH_ORG TYPE STRING,
RTBPQYCM TYPE STRING,
RTNMQYGR TYPE STRING,
RTQTBKP TYPE STRING,
SALES_ORG TYPE STRING,
SDAMAPP TYPE STRING,
SDAMCLM TYPE STRING,
SDQTAPP TYPE STRING,
SDQTCLM TYPE STRING,
SIAMBP TYPE STRING,
SIAMNL TYPE STRING,
SIQYBPGI TYPE STRING,
SIQYBPIV TYPE STRING,
SIQYNLGI TYPE STRING,
SIQYNLIV TYPE STRING,
STADAT TYPE STRING,
STAMBP TYPE STRING,
STAMBPIV TYPE STRING,
STAMNL TYPE STRING,
STAMNLIV TYPE STRING,
STATUS TYPE STRING,
STCUR TYPE STRING,
STDSAMBP TYPE STRING,
STDSAMNL TYPE STRING,
STDSQYBP TYPE STRING,
STDSQYNL TYPE STRING,
STQTBP TYPE STRING,
STQTNL TYPE STRING,
STQYBPGI TYPE STRING,
STQYBPIV TYPE STRING,
STQYNLGI TYPE STRING,
STQYNLIV TYPE STRING,
STWAE TYPE STRING,
TOT_DLLN TYPE STRING,
TOT_ERLN TYPE STRING,
TOT_LINES TYPE STRING,
TOT_MNLN TYPE STRING,
TOT_VWLN TYPE STRING,
TRANSM_DT TYPE STRING,
TRANSM_NO TYPE STRING,
TRAN_TYPE TYPE STRING,
TRK_PRNR TYPE STRING,
TXMN_CURR TYPE STRING,
TX_CURR TYPE STRING,
VAL_DLLN TYPE STRING,
VAL_ERLN TYPE STRING,
VAL_MNCUR TYPE STRING,
VAL_TXCUR TYPE STRING,
WAERK TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MCHTMS1DRM_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_MCHTMS1DRM_STR-BASME sy-vline 
WA_MCHTMS1DRM_STR-BLAMCLM sy-vline 
WA_MCHTMS1DRM_STR-BLQTCLM sy-vline 
WA_MCHTMS1DRM_STR-DIST_CHNL sy-vline 
WA_MCHTMS1DRM_STR-DIVN sy-vline 
WA_MCHTMS1DRM_STR-DRTAMBAP sy-vline 
WA_MCHTMS1DRM_STR-DRTAMBP sy-vline 
WA_MCHTMS1DRM_STR-DRTAMNL sy-vline 
WA_MCHTMS1DRM_STR-DRTQYNAP sy-vline 
WA_MCHTMS1DRM_STR-DSAMBP sy-vline 
WA_MCHTMS1DRM_STR-DSAMNL sy-vline 
WA_MCHTMS1DRM_STR-DSQYBP sy-vline 
WA_MCHTMS1DRM_STR-DSQYNL sy-vline 
WA_MCHTMS1DRM_STR-DUPL_STAT sy-vline 
WA_MCHTMS1DRM_STR-EFF_DATE sy-vline 
WA_MCHTMS1DRM_STR-ENDCUST sy-vline 
WA_MCHTMS1DRM_STR-ERTAMNL sy-vline 
WA_MCHTMS1DRM_STR-ERTQTBP sy-vline 
WA_MCHTMS1DRM_STR-ERTQTNL sy-vline 
WA_MCHTMS1DRM_STR-HWAER sy-vline 
WA_MCHTMS1DRM_STR-IDOC_TYPE sy-vline 
WA_MCHTMS1DRM_STR-INT_XMNO sy-vline 
WA_MCHTMS1DRM_STR-KURSK sy-vline 
WA_MCHTMS1DRM_STR-KURSK_DT sy-vline 
WA_MCHTMS1DRM_STR-MAIN_CURR sy-vline 
WA_MCHTMS1DRM_STR-MANDT sy-vline 
WA_MCHTMS1DRM_STR-MATNR sy-vline 
WA_MCHTMS1DRM_STR-MN_CURR sy-vline 
WA_MCHTMS1DRM_STR-MSG_TYPE sy-vline 
WA_MCHTMS1DRM_STR-NCRQYBP sy-vline 
WA_MCHTMS1DRM_STR-NCRQYNL sy-vline 
WA_MCHTMS1DRM_STR-PARTNER sy-vline 
WA_MCHTMS1DRM_STR-PCRQYBP sy-vline 
WA_MCHTMS1DRM_STR-PCRQYNL sy-vline 
WA_MCHTMS1DRM_STR-PLANT sy-vline 
WA_MCHTMS1DRM_STR-PPAMCR sy-vline 
WA_MCHTMS1DRM_STR-PPAMDB sy-vline 
WA_MCHTMS1DRM_STR-PPQTCR sy-vline 
WA_MCHTMS1DRM_STR-PPQTDB sy-vline 
WA_MCHTMS1DRM_STR-PURCH_ORG sy-vline 
WA_MCHTMS1DRM_STR-RTBPQYCM sy-vline 
WA_MCHTMS1DRM_STR-RTNMQYGR sy-vline 
WA_MCHTMS1DRM_STR-RTQTBKP sy-vline 
WA_MCHTMS1DRM_STR-SALES_ORG sy-vline 
WA_MCHTMS1DRM_STR-SDAMAPP sy-vline 
WA_MCHTMS1DRM_STR-SDAMCLM sy-vline 
WA_MCHTMS1DRM_STR-SDQTAPP sy-vline 
WA_MCHTMS1DRM_STR-SDQTCLM sy-vline 
WA_MCHTMS1DRM_STR-SIAMBP sy-vline 
WA_MCHTMS1DRM_STR-SIAMNL sy-vline 
WA_MCHTMS1DRM_STR-SIQYBPGI sy-vline 
WA_MCHTMS1DRM_STR-SIQYBPIV sy-vline 
WA_MCHTMS1DRM_STR-SIQYNLGI sy-vline 
WA_MCHTMS1DRM_STR-SIQYNLIV sy-vline 
WA_MCHTMS1DRM_STR-STADAT sy-vline 
WA_MCHTMS1DRM_STR-STAMBP sy-vline 
WA_MCHTMS1DRM_STR-STAMBPIV sy-vline 
WA_MCHTMS1DRM_STR-STAMNL sy-vline 
WA_MCHTMS1DRM_STR-STAMNLIV sy-vline 
WA_MCHTMS1DRM_STR-STATUS sy-vline 
WA_MCHTMS1DRM_STR-STCUR sy-vline 
WA_MCHTMS1DRM_STR-STDSAMBP sy-vline 
WA_MCHTMS1DRM_STR-STDSAMNL sy-vline 
WA_MCHTMS1DRM_STR-STDSQYBP sy-vline 
WA_MCHTMS1DRM_STR-STDSQYNL sy-vline 
WA_MCHTMS1DRM_STR-STQTBP sy-vline 
WA_MCHTMS1DRM_STR-STQTNL sy-vline 
WA_MCHTMS1DRM_STR-STQYBPGI sy-vline 
WA_MCHTMS1DRM_STR-STQYBPIV sy-vline 
WA_MCHTMS1DRM_STR-STQYNLGI sy-vline 
WA_MCHTMS1DRM_STR-STQYNLIV sy-vline 
WA_MCHTMS1DRM_STR-STWAE sy-vline 
WA_MCHTMS1DRM_STR-TOT_DLLN sy-vline 
WA_MCHTMS1DRM_STR-TOT_ERLN sy-vline 
WA_MCHTMS1DRM_STR-TOT_LINES sy-vline 
WA_MCHTMS1DRM_STR-TOT_MNLN sy-vline 
WA_MCHTMS1DRM_STR-TOT_VWLN sy-vline 
WA_MCHTMS1DRM_STR-TRANSM_DT sy-vline 
WA_MCHTMS1DRM_STR-TRANSM_NO sy-vline 
WA_MCHTMS1DRM_STR-TRAN_TYPE sy-vline 
WA_MCHTMS1DRM_STR-TRK_PRNR sy-vline 
WA_MCHTMS1DRM_STR-TXMN_CURR sy-vline 
WA_MCHTMS1DRM_STR-TX_CURR sy-vline 
WA_MCHTMS1DRM_STR-VAL_DLLN sy-vline 
WA_MCHTMS1DRM_STR-VAL_ERLN sy-vline 
WA_MCHTMS1DRM_STR-VAL_MNCUR sy-vline 
WA_MCHTMS1DRM_STR-VAL_TXCUR sy-vline 
WA_MCHTMS1DRM_STR-WAERK sy-vline      INTO ld_text SEPARATED BY SPACE.

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