ABAP Select data from SAP table CMDQDATAIMPORT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CMDQDATAIMPORT
*  INTO TABLE @DATA(IT_CMDQDATAIMPORT2).
*--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_CMDQDATAIMPORT INDEX 1 INTO DATA(WA_CMDQDATAIMPORT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CMDQDATAIMPORT>-MANDT = 1.
<CMDQDATAIMPORT>-MDQLTYDATAIMPORTUUID = 1.
<CMDQDATAIMPORT>-MDQUALITYEVALUATIONSETTING = 1.
<CMDQDATAIMPORT>-MDQLTYRULEREPOSITORY = 1.
<CMDQDATAIMPORT>-MDQLTYDATAIMPORTTYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CMDQDATAIMPORT-MDQLTYDATAIMPORTCONTENTTYPE, sy-vline,
  WA_CMDQDATAIMPORT-MDQLTYDATAIMPORTCREATEDBY, sy-vline,
  WA_CMDQDATAIMPORT-MDQLTYDATAIMPORTSTARTDATE, sy-vline,
  WA_CMDQDATAIMPORT-MDQLTYDATAIMPORTSTARTUTCTIME, sy-vline,
  WA_CMDQDATAIMPORT-MDQLTYDATAIMPORTENDDATE, sy-vline,
  WA_CMDQDATAIMPORT-MDQLTYDATAIMPORTENDUTCTIME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CMDQDATAIMPORT 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_CMDQDATAIMPORT 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_CMDQDATAIMPORT INTO WA_CMDQDATAIMPORT.


*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 MDQUALITYEVALUATIONRUN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CMDQDATAIMPORT-MDQUALITYEVALUATIONRUN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMDQDATAIMPORT-MDQUALITYEVALUATIONRUN.
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_CMDQDATAIMPORT_STR, 
MANDT TYPE STRING,
MDQLTYDATAIMPORTUUID TYPE STRING,
MDQUALITYEVALUATIONSETTING TYPE STRING,
MDQLTYRULEREPOSITORY TYPE STRING,
MDQLTYDATAIMPORTTYPE TYPE STRING,
MDQLTYDATAIMPORTCONTENTTYPE TYPE STRING,
MDQLTYDATAIMPORTCREATEDBY TYPE STRING,
MDQLTYDATAIMPORTSTARTDATE TYPE STRING,
MDQLTYDATAIMPORTSTARTUTCTIME TYPE STRING,
MDQLTYDATAIMPORTENDDATE TYPE STRING,
MDQLTYDATAIMPORTENDUTCTIME TYPE STRING,
MDQLTYDATAIMPORTSTATUS TYPE STRING,
MDQUALITYEVALUATIONRUN TYPE STRING,
MDQLTYDATAIMPRTCONTENTTYPEDESC TYPE STRING,
MDQLTYDATAIMPORTSTATUSDESC TYPE STRING,
MDQLTYDATAIMPORTTYPEDESC TYPE STRING,
MDQLTYRULEREPOSITORYDESC TYPE STRING,
BUSINESSOBJECTTYPE TYPE STRING,
MDQLTYIMPORTEDEVALUATIONRUN TYPE STRING,
MDQLTYDATAIMPRTIMPRTDRECORDS TYPE STRING,
MDQLTYISLATESTEVALRUN TYPE STRING,
MDQLTYISLATESTEVALRUNDESC TYPE STRING,
MDQLTYEVALRUNISDELETED TYPE STRING,
MDQLTYDATAIMPORTSTSCRITICALITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CMDQDATAIMPORT_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_CMDQDATAIMPORT_STR-MANDT sy-vline 
WA_CMDQDATAIMPORT_STR-MDQLTYDATAIMPORTUUID sy-vline 
WA_CMDQDATAIMPORT_STR-MDQUALITYEVALUATIONSETTING sy-vline 
WA_CMDQDATAIMPORT_STR-MDQLTYRULEREPOSITORY sy-vline 
WA_CMDQDATAIMPORT_STR-MDQLTYDATAIMPORTTYPE sy-vline 
WA_CMDQDATAIMPORT_STR-MDQLTYDATAIMPORTCONTENTTYPE sy-vline 
WA_CMDQDATAIMPORT_STR-MDQLTYDATAIMPORTCREATEDBY sy-vline 
WA_CMDQDATAIMPORT_STR-MDQLTYDATAIMPORTSTARTDATE sy-vline 
WA_CMDQDATAIMPORT_STR-MDQLTYDATAIMPORTSTARTUTCTIME sy-vline 
WA_CMDQDATAIMPORT_STR-MDQLTYDATAIMPORTENDDATE sy-vline 
WA_CMDQDATAIMPORT_STR-MDQLTYDATAIMPORTENDUTCTIME sy-vline 
WA_CMDQDATAIMPORT_STR-MDQLTYDATAIMPORTSTATUS sy-vline 
WA_CMDQDATAIMPORT_STR-MDQUALITYEVALUATIONRUN sy-vline 
WA_CMDQDATAIMPORT_STR-MDQLTYDATAIMPRTCONTENTTYPEDESC sy-vline 
WA_CMDQDATAIMPORT_STR-MDQLTYDATAIMPORTSTATUSDESC sy-vline 
WA_CMDQDATAIMPORT_STR-MDQLTYDATAIMPORTTYPEDESC sy-vline 
WA_CMDQDATAIMPORT_STR-MDQLTYRULEREPOSITORYDESC sy-vline 
WA_CMDQDATAIMPORT_STR-BUSINESSOBJECTTYPE sy-vline 
WA_CMDQDATAIMPORT_STR-MDQLTYIMPORTEDEVALUATIONRUN sy-vline 
WA_CMDQDATAIMPORT_STR-MDQLTYDATAIMPRTIMPRTDRECORDS sy-vline 
WA_CMDQDATAIMPORT_STR-MDQLTYISLATESTEVALRUN sy-vline 
WA_CMDQDATAIMPORT_STR-MDQLTYISLATESTEVALRUNDESC sy-vline 
WA_CMDQDATAIMPORT_STR-MDQLTYEVALRUNISDELETED sy-vline 
WA_CMDQDATAIMPORT_STR-MDQLTYDATAIMPORTSTSCRITICALITY sy-vline      INTO ld_text SEPARATED BY SPACE.

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