ABAP Select data from SAP table DIQMSMX into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM DIQMSMX
*  INTO TABLE @DATA(IT_DIQMSMX2).
*--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_DIQMSMX INDEX 1 INTO DATA(WA_DIQMSMX2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<DIQMSMX>-MANDT = 1.
<DIQMSMX>-QMNUM = 1.
<DIQMSMX>-MANUM = 1.
<DIQMSMX>-MNKAT = 1.
<DIQMSMX>-MNGRP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_DIQMSMX-MNCOD, sy-vline,
  WA_DIQMSMX-MNVER, sy-vline,
  WA_DIQMSMX-FOLGEACT, sy-vline,
  WA_DIQMSMX-FOLACTPROT, sy-vline,
  WA_DIQMSMX-MATXT, sy-vline,
  WA_DIQMSMX-ERNAM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_DIQMSMX 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_DIQMSMX 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_DIQMSMX INTO WA_DIQMSMX.


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

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

*Conversion exit PARVW, internal->external for field PARVW
CALL FUNCTION 'CONVERSION_EXIT_PARVW_OUTPUT'
  EXPORTING
    input =                      WA_DIQMSMX-PARVW
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DIQMSMX-PARVW.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit TMPLA, internal->external for field TSEGTP
CALL FUNCTION 'CONVERSION_EXIT_TMPLA_OUTPUT'
  EXPORTING
    input =                      WA_DIQMSMX-TSEGTP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DIQMSMX-TSEGTP.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit ALPHA, internal->external for field PRBOBSOLVPROCCAUSE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_DIQMSMX-PRBOBSOLVPROCCAUSE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DIQMSMX-PRBOBSOLVPROCCAUSE.
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_DIQMSMX_STR, 
MANDT TYPE STRING,
QMNUM TYPE STRING,
MANUM TYPE STRING,
MNKAT TYPE STRING,
MNGRP TYPE STRING,
MNCOD TYPE STRING,
MNVER TYPE STRING,
FOLGEACT TYPE STRING,
FOLACTPROT TYPE STRING,
MATXT TYPE STRING,
ERNAM TYPE STRING,
ERDAT TYPE STRING,
AENAM TYPE STRING,
AEDAT TYPE STRING,
PSTER TYPE STRING,
PETER TYPE STRING,
OBJNR TYPE STRING,
INDTX TYPE STRING,
KZMLA TYPE STRING,
PSTUR TYPE STRING,
PETUR TYPE STRING,
ERLNAM TYPE STRING,
ERLDAT TYPE STRING,
ERLZEIT TYPE STRING,
WDVDAT TYPE STRING,
FENUM TYPE STRING,
URNUM TYPE STRING,
ERZEIT TYPE STRING,
AEZEIT TYPE STRING,
PARVW TYPE STRING,
PARNR TYPE STRING,
MMENGE TYPE STRING,
MMGEIN TYPE STRING,
BAUTL TYPE STRING,
KZLOESCH TYPE STRING,
QSMNUM TYPE STRING,
AUTKZ TYPE STRING,
HANDLE TYPE STRING,
TSEGFL TYPE STRING,
TSEGTP TYPE STRING,
TZONSO TYPE STRING,
TZONSM TYPE STRING,
TZONID TYPE STRING,
TIMEBASEDEFFORT TYPE STRING,
TIMEBASEDEFFORTUOM TYPE STRING,
DUMMY_QMSM_INCL_EEW_PS TYPE STRING,
KZACTIONBOX TYPE STRING,
FUNKTION TYPE STRING,
/SAPSMOSS/NOTE TYPE STRING,
/SAPSMOSS/REPORT TYPE STRING,
/SAPSMOSS/MTSTMP TYPE STRING,
ABC_TEMPL TYPE STRING,
TASKTYPE TYPE STRING,
DEFECTINTERNALID TYPE STRING,
PRDCSSRQTASKINTERNALID TYPE STRING,
TASKORIGIN TYPE STRING,
PROCESSOR TYPE STRING,
CHANGEDDATETIME TYPE STRING,
STATLCYCLE TYPE STRING,
STATACYCLE TYPE STRING,
STATFOA TYPE STRING,
WDVZEIT TYPE STRING,
PROBSOLVINGPROCESS TYPE STRING,
PROBSOLVINGPROCESSSTEP TYPE STRING,
PRBOBSOLVPROCCAUSE TYPE STRING,
TASKISCONTROLLEDBYORIGIN TYPE STRING,
EFFECTPERC TYPE STRING,
EFFECTTEXT TYPE STRING,
TXTGR TYPE STRING,
TXTCD TYPE STRING,
STTXT TYPE STRING,
ASTXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_DIQMSMX_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_DIQMSMX_STR-MANDT sy-vline 
WA_DIQMSMX_STR-QMNUM sy-vline 
WA_DIQMSMX_STR-MANUM sy-vline 
WA_DIQMSMX_STR-MNKAT sy-vline 
WA_DIQMSMX_STR-MNGRP sy-vline 
WA_DIQMSMX_STR-MNCOD sy-vline 
WA_DIQMSMX_STR-MNVER sy-vline 
WA_DIQMSMX_STR-FOLGEACT sy-vline 
WA_DIQMSMX_STR-FOLACTPROT sy-vline 
WA_DIQMSMX_STR-MATXT sy-vline 
WA_DIQMSMX_STR-ERNAM sy-vline 
WA_DIQMSMX_STR-ERDAT sy-vline 
WA_DIQMSMX_STR-AENAM sy-vline 
WA_DIQMSMX_STR-AEDAT sy-vline 
WA_DIQMSMX_STR-PSTER sy-vline 
WA_DIQMSMX_STR-PETER sy-vline 
WA_DIQMSMX_STR-OBJNR sy-vline 
WA_DIQMSMX_STR-INDTX sy-vline 
WA_DIQMSMX_STR-KZMLA sy-vline 
WA_DIQMSMX_STR-PSTUR sy-vline 
WA_DIQMSMX_STR-PETUR sy-vline 
WA_DIQMSMX_STR-ERLNAM sy-vline 
WA_DIQMSMX_STR-ERLDAT sy-vline 
WA_DIQMSMX_STR-ERLZEIT sy-vline 
WA_DIQMSMX_STR-WDVDAT sy-vline 
WA_DIQMSMX_STR-FENUM sy-vline 
WA_DIQMSMX_STR-URNUM sy-vline 
WA_DIQMSMX_STR-ERZEIT sy-vline 
WA_DIQMSMX_STR-AEZEIT sy-vline 
WA_DIQMSMX_STR-PARVW sy-vline 
WA_DIQMSMX_STR-PARNR sy-vline 
WA_DIQMSMX_STR-MMENGE sy-vline 
WA_DIQMSMX_STR-MMGEIN sy-vline 
WA_DIQMSMX_STR-BAUTL sy-vline 
WA_DIQMSMX_STR-KZLOESCH sy-vline 
WA_DIQMSMX_STR-QSMNUM sy-vline 
WA_DIQMSMX_STR-AUTKZ sy-vline 
WA_DIQMSMX_STR-HANDLE sy-vline 
WA_DIQMSMX_STR-TSEGFL sy-vline 
WA_DIQMSMX_STR-TSEGTP sy-vline 
WA_DIQMSMX_STR-TZONSO sy-vline 
WA_DIQMSMX_STR-TZONSM sy-vline 
WA_DIQMSMX_STR-TZONID sy-vline 
WA_DIQMSMX_STR-TIMEBASEDEFFORT sy-vline 
WA_DIQMSMX_STR-TIMEBASEDEFFORTUOM sy-vline 
WA_DIQMSMX_STR-DUMMY_QMSM_INCL_EEW_PS sy-vline 
WA_DIQMSMX_STR-KZACTIONBOX sy-vline 
WA_DIQMSMX_STR-FUNKTION sy-vline 
WA_DIQMSMX_STR-/SAPSMOSS/NOTE sy-vline 
WA_DIQMSMX_STR-/SAPSMOSS/REPORT sy-vline 
WA_DIQMSMX_STR-/SAPSMOSS/MTSTMP sy-vline 
WA_DIQMSMX_STR-ABC_TEMPL sy-vline 
WA_DIQMSMX_STR-TASKTYPE sy-vline 
WA_DIQMSMX_STR-DEFECTINTERNALID sy-vline 
WA_DIQMSMX_STR-PRDCSSRQTASKINTERNALID sy-vline 
WA_DIQMSMX_STR-TASKORIGIN sy-vline 
WA_DIQMSMX_STR-PROCESSOR sy-vline 
WA_DIQMSMX_STR-CHANGEDDATETIME sy-vline 
WA_DIQMSMX_STR-STATLCYCLE sy-vline 
WA_DIQMSMX_STR-STATACYCLE sy-vline 
WA_DIQMSMX_STR-STATFOA sy-vline 
WA_DIQMSMX_STR-WDVZEIT sy-vline 
WA_DIQMSMX_STR-PROBSOLVINGPROCESS sy-vline 
WA_DIQMSMX_STR-PROBSOLVINGPROCESSSTEP sy-vline 
WA_DIQMSMX_STR-PRBOBSOLVPROCCAUSE sy-vline 
WA_DIQMSMX_STR-TASKISCONTROLLEDBYORIGIN sy-vline 
WA_DIQMSMX_STR-EFFECTPERC sy-vline 
WA_DIQMSMX_STR-EFFECTTEXT sy-vline 
WA_DIQMSMX_STR-TXTGR sy-vline 
WA_DIQMSMX_STR-TXTCD sy-vline 
WA_DIQMSMX_STR-STTXT sy-vline 
WA_DIQMSMX_STR-ASTXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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