ABAP Select data from SAP table CMDQLERDETAILS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CMDQLERDETAILS
*  INTO TABLE @DATA(IT_CMDQLERDETAILS2).
*--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_CMDQLERDETAILS INDEX 1 INTO DATA(WA_CMDQLERDETAILS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CMDQLERDETAILS>-MANDT = 1.
<CMDQLERDETAILS>-MDQUALITYEVALUATIONSETTING = 1.
<CMDQLERDETAILS>-MDQUALITYEVALUATIONRUN = 1.
<CMDQLERDETAILS>-MDQUALITYEVALUATIONRUNDESC = 1.
<CMDQLERDETAILS>-MDQUALITYEVALSETTINGDESC = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CMDQLERDETAILS-MDQLTYIMPORTEDEVALUATIONRUN, sy-vline,
  WA_CMDQLERDETAILS-EVALRUNSTARTUTCDATETIME, sy-vline,
  WA_CMDQLERDETAILS-EVALRUNENDUTCDATETIME, sy-vline,
  WA_CMDQLERDETAILS-EVALRUNCREATEDBYUSER, sy-vline,
  WA_CMDQLERDETAILS-EVALRUNCREATEDBYUSRNAME, sy-vline,
  WA_CMDQLERDETAILS-EVALRUNIMPORTSTARTUTCDTETME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CMDQLERDETAILS 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_CMDQLERDETAILS 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_CMDQLERDETAILS INTO WA_CMDQLERDETAILS.


*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_CMDQLERDETAILS-MDQUALITYEVALUATIONRUN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMDQLERDETAILS-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_CMDQLERDETAILS_STR, 
MANDT TYPE STRING,
MDQUALITYEVALUATIONSETTING TYPE STRING,
MDQUALITYEVALUATIONRUN TYPE STRING,
MDQUALITYEVALUATIONRUNDESC TYPE STRING,
MDQUALITYEVALSETTINGDESC TYPE STRING,
MDQLTYIMPORTEDEVALUATIONRUN TYPE STRING,
EVALRUNSTARTUTCDATETIME TYPE STRING,
EVALRUNENDUTCDATETIME TYPE STRING,
EVALRUNCREATEDBYUSER TYPE STRING,
EVALRUNCREATEDBYUSRNAME TYPE STRING,
EVALRUNIMPORTSTARTUTCDTETME TYPE STRING,
EVALRUNIMPORTENDUTCDTETME TYPE STRING,
DATAPRVDREVALRUNEXECBYUSRNAME TYPE STRING,
MDQLTYEVALRUNTOTNMBROFBUSOBJ TYPE STRING,
MDQLTYISLATESTEVALRUN TYPE STRING,
MDQLTYEVALRUNBUSOBJECTSWTHERR TYPE STRING,
MDQLTYCENTRALMDGOVISACTIVE TYPE STRING,
MDQLTYMDMASSPROCESSISACTIVE TYPE STRING,
BUSINESSOBJECTTYPE TYPE STRING,
MDQLTYRULEREPOSITORY TYPE STRING,
MDQLTYRULEREPOSITORYDESC TYPE STRING,
MDQLTYEVALSETTINGIMPORTTYPE TYPE STRING,
MDQLTYDATAIMPORTTYPEDESC TYPE STRING,
MDQLTYEVALSETTINGDATAPROVIDER TYPE STRING,
MDQUALITYDATAPROVIDERDESC TYPE STRING,
MDQLTYEVALSTTGDATAPRVDRSTTG TYPE STRING,
MDQLTYEVALSETTINGCREATEDBYUSER TYPE STRING,
MDQLTYEVALSTTGCRTEDBYUSRNAME TYPE STRING,
MDQLTYEVALSTTGCRTNUTCDTETME TYPE STRING,
MDQLTYEVALSTTGLASTCHGBYUSR TYPE STRING,
MDQLTYEVALSTTGLASTCHGBYUSRNAME TYPE STRING,
MDQLTYEVALSTTGLASTCHGUTCDTETME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CMDQLERDETAILS_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_CMDQLERDETAILS_STR-MANDT sy-vline 
WA_CMDQLERDETAILS_STR-MDQUALITYEVALUATIONSETTING sy-vline 
WA_CMDQLERDETAILS_STR-MDQUALITYEVALUATIONRUN sy-vline 
WA_CMDQLERDETAILS_STR-MDQUALITYEVALUATIONRUNDESC sy-vline 
WA_CMDQLERDETAILS_STR-MDQUALITYEVALSETTINGDESC sy-vline 
WA_CMDQLERDETAILS_STR-MDQLTYIMPORTEDEVALUATIONRUN sy-vline 
WA_CMDQLERDETAILS_STR-EVALRUNSTARTUTCDATETIME sy-vline 
WA_CMDQLERDETAILS_STR-EVALRUNENDUTCDATETIME sy-vline 
WA_CMDQLERDETAILS_STR-EVALRUNCREATEDBYUSER sy-vline 
WA_CMDQLERDETAILS_STR-EVALRUNCREATEDBYUSRNAME sy-vline 
WA_CMDQLERDETAILS_STR-EVALRUNIMPORTSTARTUTCDTETME sy-vline 
WA_CMDQLERDETAILS_STR-EVALRUNIMPORTENDUTCDTETME sy-vline 
WA_CMDQLERDETAILS_STR-DATAPRVDREVALRUNEXECBYUSRNAME sy-vline 
WA_CMDQLERDETAILS_STR-MDQLTYEVALRUNTOTNMBROFBUSOBJ sy-vline 
WA_CMDQLERDETAILS_STR-MDQLTYISLATESTEVALRUN sy-vline 
WA_CMDQLERDETAILS_STR-MDQLTYEVALRUNBUSOBJECTSWTHERR sy-vline 
WA_CMDQLERDETAILS_STR-MDQLTYCENTRALMDGOVISACTIVE sy-vline 
WA_CMDQLERDETAILS_STR-MDQLTYMDMASSPROCESSISACTIVE sy-vline 
WA_CMDQLERDETAILS_STR-BUSINESSOBJECTTYPE sy-vline 
WA_CMDQLERDETAILS_STR-MDQLTYRULEREPOSITORY sy-vline 
WA_CMDQLERDETAILS_STR-MDQLTYRULEREPOSITORYDESC sy-vline 
WA_CMDQLERDETAILS_STR-MDQLTYEVALSETTINGIMPORTTYPE sy-vline 
WA_CMDQLERDETAILS_STR-MDQLTYDATAIMPORTTYPEDESC sy-vline 
WA_CMDQLERDETAILS_STR-MDQLTYEVALSETTINGDATAPROVIDER sy-vline 
WA_CMDQLERDETAILS_STR-MDQUALITYDATAPROVIDERDESC sy-vline 
WA_CMDQLERDETAILS_STR-MDQLTYEVALSTTGDATAPRVDRSTTG sy-vline 
WA_CMDQLERDETAILS_STR-MDQLTYEVALSETTINGCREATEDBYUSER sy-vline 
WA_CMDQLERDETAILS_STR-MDQLTYEVALSTTGCRTEDBYUSRNAME sy-vline 
WA_CMDQLERDETAILS_STR-MDQLTYEVALSTTGCRTNUTCDTETME sy-vline 
WA_CMDQLERDETAILS_STR-MDQLTYEVALSTTGLASTCHGBYUSR sy-vline 
WA_CMDQLERDETAILS_STR-MDQLTYEVALSTTGLASTCHGBYUSRNAME sy-vline 
WA_CMDQLERDETAILS_STR-MDQLTYEVALSTTGLASTCHGUTCDTETME sy-vline      INTO ld_text SEPARATED BY SPACE.

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