ABAP Select data from SAP table CDMVALALL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CDMVALALL
*  INTO TABLE @DATA(IT_CDMVALALL2).
*--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_CDMVALALL INDEX 1 INTO DATA(WA_CDMVALALL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CDMVALALL>-MANDT = 1.
<CDMVALALL>-DATAMIGRATIONOBJECTID = 1.
<CDMVALALL>-DATAMIGRATIONPROJECTID = 1.
<CDMVALALL>-DATAMIGRATIONSENDERKEY = 1.
<CDMVALALL>-DATAMIGRATIONKEYVALUE1 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CDMVALALL-DATAMIGRATIONKEYVALUE2, sy-vline,
  WA_CDMVALALL-DATAMIGRATIONKEYVALUE3, sy-vline,
  WA_CDMVALALL-DATAMIGRATIONKEYVALUE4, sy-vline,
  WA_CDMVALALL-DATAMIGRATIONSENDERKEYTXT, sy-vline,
  WA_CDMVALALL-MASSTRANSFERCODE, sy-vline,
  WA_CDMVALALL-DATAMIGRATIONPROJECTDESC, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CDMVALALL 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_CDMVALALL 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_CDMVALALL INTO WA_CDMVALALL.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_CDMVALALL_STR, 
MANDT TYPE STRING,
DATAMIGRATIONOBJECTID TYPE STRING,
DATAMIGRATIONPROJECTID TYPE STRING,
DATAMIGRATIONSENDERKEY TYPE STRING,
DATAMIGRATIONKEYVALUE1 TYPE STRING,
DATAMIGRATIONKEYVALUE2 TYPE STRING,
DATAMIGRATIONKEYVALUE3 TYPE STRING,
DATAMIGRATIONKEYVALUE4 TYPE STRING,
DATAMIGRATIONSENDERKEYTXT TYPE STRING,
MASSTRANSFERCODE TYPE STRING,
DATAMIGRATIONPROJECTDESC TYPE STRING,
DATAMIGRATIONSTATUS TYPE STRING,
DATAMIGRATIONFILENAME TYPE STRING,
DATAMIGRATIONSTGGTBLNAME TYPE STRING,
CREATEDBYUSER TYPE STRING,
DATAMIGRATIONLOADINGDATE TYPE STRING,
DATAMIGRTNLOGITEMMSGID TYPE STRING,
DATAMIGRATIONSTEPEXTID TYPE STRING,
SEMANTICOBJECT TYPE STRING,
SEMANTICOBJECTACTION TYPE STRING,
SYSTEMMESSAGETYPECRITICALITY TYPE STRING,
DATAMIGRATIONLOGITEMAUDITSTS TYPE STRING,
DATAMIGRTNLOGITEMAPPROVERUSER TYPE STRING,
DATAMIGRTNLGITMAPPROVALDTETIME TYPE STRING,
NOTEDESCRIPTION TYPE STRING,
DATAMIGRTNSNDRKEY1VAL TYPE STRING,
DATAMIGRTNSNDRKEY2VAL TYPE STRING,
DATAMIGRTNSNDRKEY3VAL TYPE STRING,
DATAMIGRTNSNDRKEY4VAL TYPE STRING,
DATAMIGRTNSNDRKEY5VAL TYPE STRING,
DATAMIGRTNSNDRKEY6VAL TYPE STRING,
DATAMIGRTNSNDRKEY7VAL TYPE STRING,
DATAMIGRTNSNDRKEY8VAL TYPE STRING,
DATAMIGRTNSNDRKEY9VAL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CDMVALALL_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_CDMVALALL_STR-MANDT sy-vline 
WA_CDMVALALL_STR-DATAMIGRATIONOBJECTID sy-vline 
WA_CDMVALALL_STR-DATAMIGRATIONPROJECTID sy-vline 
WA_CDMVALALL_STR-DATAMIGRATIONSENDERKEY sy-vline 
WA_CDMVALALL_STR-DATAMIGRATIONKEYVALUE1 sy-vline 
WA_CDMVALALL_STR-DATAMIGRATIONKEYVALUE2 sy-vline 
WA_CDMVALALL_STR-DATAMIGRATIONKEYVALUE3 sy-vline 
WA_CDMVALALL_STR-DATAMIGRATIONKEYVALUE4 sy-vline 
WA_CDMVALALL_STR-DATAMIGRATIONSENDERKEYTXT sy-vline 
WA_CDMVALALL_STR-MASSTRANSFERCODE sy-vline 
WA_CDMVALALL_STR-DATAMIGRATIONPROJECTDESC sy-vline 
WA_CDMVALALL_STR-DATAMIGRATIONSTATUS sy-vline 
WA_CDMVALALL_STR-DATAMIGRATIONFILENAME sy-vline 
WA_CDMVALALL_STR-DATAMIGRATIONSTGGTBLNAME sy-vline 
WA_CDMVALALL_STR-CREATEDBYUSER sy-vline 
WA_CDMVALALL_STR-DATAMIGRATIONLOADINGDATE sy-vline 
WA_CDMVALALL_STR-DATAMIGRTNLOGITEMMSGID sy-vline 
WA_CDMVALALL_STR-DATAMIGRATIONSTEPEXTID sy-vline 
WA_CDMVALALL_STR-SEMANTICOBJECT sy-vline 
WA_CDMVALALL_STR-SEMANTICOBJECTACTION sy-vline 
WA_CDMVALALL_STR-SYSTEMMESSAGETYPECRITICALITY sy-vline 
WA_CDMVALALL_STR-DATAMIGRATIONLOGITEMAUDITSTS sy-vline 
WA_CDMVALALL_STR-DATAMIGRTNLOGITEMAPPROVERUSER sy-vline 
WA_CDMVALALL_STR-DATAMIGRTNLGITMAPPROVALDTETIME sy-vline 
WA_CDMVALALL_STR-NOTEDESCRIPTION sy-vline 
WA_CDMVALALL_STR-DATAMIGRTNSNDRKEY1VAL sy-vline 
WA_CDMVALALL_STR-DATAMIGRTNSNDRKEY2VAL sy-vline 
WA_CDMVALALL_STR-DATAMIGRTNSNDRKEY3VAL sy-vline 
WA_CDMVALALL_STR-DATAMIGRTNSNDRKEY4VAL sy-vline 
WA_CDMVALALL_STR-DATAMIGRTNSNDRKEY5VAL sy-vline 
WA_CDMVALALL_STR-DATAMIGRTNSNDRKEY6VAL sy-vline 
WA_CDMVALALL_STR-DATAMIGRTNSNDRKEY7VAL sy-vline 
WA_CDMVALALL_STR-DATAMIGRTNSNDRKEY8VAL sy-vline 
WA_CDMVALALL_STR-DATAMIGRTNSNDRKEY9VAL sy-vline      INTO ld_text SEPARATED BY SPACE.

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