ABAP Select data from SAP table SZDM_CC_NAMETAB_REPOSITORY_W into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SZDM_CC_NAMETAB_REPOSITORY_W
*  INTO TABLE @DATA(IT_SZDM_CC_NAMETAB_REPOSITORY_W2).
*--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_SZDM_CC_NAMETAB_REPOSITORY_W INDEX 1 INTO DATA(WA_SZDM_CC_NAMETAB_REPOSITORY_W2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SZDM_CC_NAMETAB_REPOSITORY_W>-COMPONENT = 1.
<SZDM_CC_NAMETAB_REPOSITORY_W>-SAP_RELEASE = 1.
<SZDM_CC_NAMETAB_REPOSITORY_W>-SP_LEVEL = 1.
<SZDM_CC_NAMETAB_REPOSITORY_W>-OBJECT_TYPE = 1.
<SZDM_CC_NAMETAB_REPOSITORY_W>-OBJECT_NAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SZDM_CC_NAMETAB_REPOSITORY_W-NAMETAB, sy-vline,
  WA_SZDM_CC_NAMETAB_REPOSITORY_W-HEADER, sy-vline,
  WA_SZDM_CC_NAMETAB_REPOSITORY_W-TABNAME, sy-vline,
  WA_SZDM_CC_NAMETAB_REPOSITORY_W-DBASE, sy-vline,
  WA_SZDM_CC_NAMETAB_REPOSITORY_W-UUID, sy-vline,
  WA_SZDM_CC_NAMETAB_REPOSITORY_W-CRSTAMP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SZDM_CC_NAMETAB_REPOSITORY_W 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_SZDM_CC_NAMETAB_REPOSITORY_W 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_SZDM_CC_NAMETAB_REPOSITORY_W INTO WA_SZDM_CC_NAMETAB_REPOSITORY_W.


*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_SZDM_CC_NAMETAB_REPOSITORY_W_STR, 
COMPONENT TYPE STRING,
SAP_RELEASE TYPE STRING,
SP_LEVEL TYPE STRING,
OBJECT_TYPE TYPE STRING,
OBJECT_NAME TYPE STRING,
NAMETAB TYPE STRING,
HEADER TYPE STRING,
TABNAME TYPE STRING,
DBASE TYPE STRING,
UUID TYPE STRING,
CRSTAMP TYPE STRING,
ABSTAMP TYPE STRING,
DYSTAMP TYPE STRING,
FLDCNT TYPE STRING,
TABLEN TYPE STRING,
KEYCNT TYPE STRING,
KEYLEN TYPE STRING,
CLPOS TYPE STRING,
TABTYPE TYPE STRING,
TABFORM TYPE STRING,
REFNAME TYPE STRING,
FLAGBYTE TYPE STRING,
EXROUT TYPE STRING,
FLAG3 TYPE STRING,
FLAG4 TYPE STRING,
FLAG5 TYPE STRING,
FLAG6 TYPE STRING,
BUFSTATE TYPE STRING,
BUFPARM TYPE STRING,
ALIGN TYPE STRING,
POINTERLG TYPE STRING,
UNICODELG TYPE STRING,
COMPCNT TYPE STRING,
LEAFCNT TYPE STRING,
DBSQLTIMESTMP TYPE STRING,
ADD_DATA TYPE STRING,
FIELDS TYPE STRING,
EXPORT_TIMESTAMP TYPE STRING,
VERSION_OF_DEFINITION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SZDM_CC_NAMETAB_REPOSITORY_W_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_SZDM_CC_NAMETAB_REPOSITORY_W_STR-COMPONENT sy-vline 
WA_SZDM_CC_NAMETAB_REPOSITORY_W_STR-SAP_RELEASE sy-vline 
WA_SZDM_CC_NAMETAB_REPOSITORY_W_STR-SP_LEVEL sy-vline 
WA_SZDM_CC_NAMETAB_REPOSITORY_W_STR-OBJECT_TYPE sy-vline 
WA_SZDM_CC_NAMETAB_REPOSITORY_W_STR-OBJECT_NAME sy-vline 
WA_SZDM_CC_NAMETAB_REPOSITORY_W_STR-NAMETAB sy-vline 
WA_SZDM_CC_NAMETAB_REPOSITORY_W_STR-HEADER sy-vline 
WA_SZDM_CC_NAMETAB_REPOSITORY_W_STR-TABNAME sy-vline 
WA_SZDM_CC_NAMETAB_REPOSITORY_W_STR-DBASE sy-vline 
WA_SZDM_CC_NAMETAB_REPOSITORY_W_STR-UUID sy-vline 
WA_SZDM_CC_NAMETAB_REPOSITORY_W_STR-CRSTAMP sy-vline 
WA_SZDM_CC_NAMETAB_REPOSITORY_W_STR-ABSTAMP sy-vline 
WA_SZDM_CC_NAMETAB_REPOSITORY_W_STR-DYSTAMP sy-vline 
WA_SZDM_CC_NAMETAB_REPOSITORY_W_STR-FLDCNT sy-vline 
WA_SZDM_CC_NAMETAB_REPOSITORY_W_STR-TABLEN sy-vline 
WA_SZDM_CC_NAMETAB_REPOSITORY_W_STR-KEYCNT sy-vline 
WA_SZDM_CC_NAMETAB_REPOSITORY_W_STR-KEYLEN sy-vline 
WA_SZDM_CC_NAMETAB_REPOSITORY_W_STR-CLPOS sy-vline 
WA_SZDM_CC_NAMETAB_REPOSITORY_W_STR-TABTYPE sy-vline 
WA_SZDM_CC_NAMETAB_REPOSITORY_W_STR-TABFORM sy-vline 
WA_SZDM_CC_NAMETAB_REPOSITORY_W_STR-REFNAME sy-vline 
WA_SZDM_CC_NAMETAB_REPOSITORY_W_STR-FLAGBYTE sy-vline 
WA_SZDM_CC_NAMETAB_REPOSITORY_W_STR-EXROUT sy-vline 
WA_SZDM_CC_NAMETAB_REPOSITORY_W_STR-FLAG3 sy-vline 
WA_SZDM_CC_NAMETAB_REPOSITORY_W_STR-FLAG4 sy-vline 
WA_SZDM_CC_NAMETAB_REPOSITORY_W_STR-FLAG5 sy-vline 
WA_SZDM_CC_NAMETAB_REPOSITORY_W_STR-FLAG6 sy-vline 
WA_SZDM_CC_NAMETAB_REPOSITORY_W_STR-BUFSTATE sy-vline 
WA_SZDM_CC_NAMETAB_REPOSITORY_W_STR-BUFPARM sy-vline 
WA_SZDM_CC_NAMETAB_REPOSITORY_W_STR-ALIGN sy-vline 
WA_SZDM_CC_NAMETAB_REPOSITORY_W_STR-POINTERLG sy-vline 
WA_SZDM_CC_NAMETAB_REPOSITORY_W_STR-UNICODELG sy-vline 
WA_SZDM_CC_NAMETAB_REPOSITORY_W_STR-COMPCNT sy-vline 
WA_SZDM_CC_NAMETAB_REPOSITORY_W_STR-LEAFCNT sy-vline 
WA_SZDM_CC_NAMETAB_REPOSITORY_W_STR-DBSQLTIMESTMP sy-vline 
WA_SZDM_CC_NAMETAB_REPOSITORY_W_STR-ADD_DATA sy-vline 
WA_SZDM_CC_NAMETAB_REPOSITORY_W_STR-FIELDS sy-vline 
WA_SZDM_CC_NAMETAB_REPOSITORY_W_STR-EXPORT_TIMESTAMP sy-vline 
WA_SZDM_CC_NAMETAB_REPOSITORY_W_STR-VERSION_OF_DEFINITION sy-vline      INTO ld_text SEPARATED BY SPACE.

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