ABAP Select data from SAP table IDMLOGITMCATDTAE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IDMLOGITMCATDTAE
*  INTO TABLE @DATA(IT_IDMLOGITMCATDTAE2).
*--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_IDMLOGITMCATDTAE INDEX 1 INTO DATA(WA_IDMLOGITMCATDTAE2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IDMLOGITMCATDTAE-DATAMIGRATIONSNDRSTRUCFIELD, sy-vline,
  WA_IDMLOGITMCATDTAE-DATAMIGRATIONSNDRSTRUCFIELDVAL, sy-vline,
  WA_IDMLOGITMCATDTAE-DATAMIGRATIONSUBPROJECTID, sy-vline,
  WA_IDMLOGITMCATDTAE-DATAMIGRATIONTGTSTRUCFIELDVAL, sy-vline,
  WA_IDMLOGITMCATDTAE-NUMBEROFENTRIESPERCATEGORY, sy-vline,
  WA_IDMLOGITMCATDTAE-DATAMIGRATIONSENDERKEYTXT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IDMLOGITMCATDTAE 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_IDMLOGITMCATDTAE 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_IDMLOGITMCATDTAE INTO WA_IDMLOGITMCATDTAE.


*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_IDMLOGITMCATDTAE_STR, 
MANDT TYPE STRING,
DATAMIGRATIONOBJECTID TYPE STRING,
DATAMIGRATIONPROJECTID TYPE STRING,
DATAMIGRATIONSENDERKEY TYPE STRING,
DATAMIGRTNSNDRSTRUCNAME TYPE STRING,
DATAMIGRATIONSNDRSTRUCFIELD TYPE STRING,
DATAMIGRATIONSNDRSTRUCFIELDVAL TYPE STRING,
DATAMIGRATIONSUBPROJECTID TYPE STRING,
DATAMIGRATIONTGTSTRUCFIELDVAL TYPE STRING,
NUMBEROFENTRIESPERCATEGORY TYPE STRING,
DATAMIGRATIONSENDERKEYTXT TYPE STRING,
DATAMIGRATIONSTATUS TYPE STRING,
DATAMIGRATIONKEYVALUE1 TYPE STRING,
DATAMIGRATIONKEYVALUE2 TYPE STRING,
DATAMIGRATIONKEYVALUE3 TYPE STRING,
DATAMIGRATIONKEYVALUE4 TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATIONDATETIME TYPE STRING,
DATAMIGRATIONLOADINGDATE TYPE STRING,
DATAMIGRATIONFILEUUID TYPE STRING,
DATAMIGRATIONSTGGTBLNAME TYPE STRING,
DATAMIGRATIONLOGITEMAUDITSTS TYPE STRING,
DATAMIGRTNLOGITEMAPPROVERUSER TYPE STRING,
DATAMIGRTNLGITMAPPROVALDTETIME TYPE STRING,
DATAMIGRTNLOGITEMMSGID TYPE STRING,
DATAMIGRATIONSTEPEXTID TYPE STRING,
MASSTRANSFERCODE TYPE STRING,
DATAMIGRTNSNDRSTRUCFIELDLABEL TYPE STRING,
DATAMIGRTNSNDRSTRUCDESC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IDMLOGITMCATDTAE_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_IDMLOGITMCATDTAE_STR-MANDT sy-vline 
WA_IDMLOGITMCATDTAE_STR-DATAMIGRATIONOBJECTID sy-vline 
WA_IDMLOGITMCATDTAE_STR-DATAMIGRATIONPROJECTID sy-vline 
WA_IDMLOGITMCATDTAE_STR-DATAMIGRATIONSENDERKEY sy-vline 
WA_IDMLOGITMCATDTAE_STR-DATAMIGRTNSNDRSTRUCNAME sy-vline 
WA_IDMLOGITMCATDTAE_STR-DATAMIGRATIONSNDRSTRUCFIELD sy-vline 
WA_IDMLOGITMCATDTAE_STR-DATAMIGRATIONSNDRSTRUCFIELDVAL sy-vline 
WA_IDMLOGITMCATDTAE_STR-DATAMIGRATIONSUBPROJECTID sy-vline 
WA_IDMLOGITMCATDTAE_STR-DATAMIGRATIONTGTSTRUCFIELDVAL sy-vline 
WA_IDMLOGITMCATDTAE_STR-NUMBEROFENTRIESPERCATEGORY sy-vline 
WA_IDMLOGITMCATDTAE_STR-DATAMIGRATIONSENDERKEYTXT sy-vline 
WA_IDMLOGITMCATDTAE_STR-DATAMIGRATIONSTATUS sy-vline 
WA_IDMLOGITMCATDTAE_STR-DATAMIGRATIONKEYVALUE1 sy-vline 
WA_IDMLOGITMCATDTAE_STR-DATAMIGRATIONKEYVALUE2 sy-vline 
WA_IDMLOGITMCATDTAE_STR-DATAMIGRATIONKEYVALUE3 sy-vline 
WA_IDMLOGITMCATDTAE_STR-DATAMIGRATIONKEYVALUE4 sy-vline 
WA_IDMLOGITMCATDTAE_STR-CREATEDBYUSER sy-vline 
WA_IDMLOGITMCATDTAE_STR-CREATIONDATETIME sy-vline 
WA_IDMLOGITMCATDTAE_STR-DATAMIGRATIONLOADINGDATE sy-vline 
WA_IDMLOGITMCATDTAE_STR-DATAMIGRATIONFILEUUID sy-vline 
WA_IDMLOGITMCATDTAE_STR-DATAMIGRATIONSTGGTBLNAME sy-vline 
WA_IDMLOGITMCATDTAE_STR-DATAMIGRATIONLOGITEMAUDITSTS sy-vline 
WA_IDMLOGITMCATDTAE_STR-DATAMIGRTNLOGITEMAPPROVERUSER sy-vline 
WA_IDMLOGITMCATDTAE_STR-DATAMIGRTNLGITMAPPROVALDTETIME sy-vline 
WA_IDMLOGITMCATDTAE_STR-DATAMIGRTNLOGITEMMSGID sy-vline 
WA_IDMLOGITMCATDTAE_STR-DATAMIGRATIONSTEPEXTID sy-vline 
WA_IDMLOGITMCATDTAE_STR-MASSTRANSFERCODE sy-vline 
WA_IDMLOGITMCATDTAE_STR-DATAMIGRTNSNDRSTRUCFIELDLABEL sy-vline 
WA_IDMLOGITMCATDTAE_STR-DATAMIGRTNSNDRSTRUCDESC sy-vline      INTO ld_text SEPARATED BY SPACE.

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