ABAP Select data from SAP table CNDS_COND_MIG_RECORD_USG_A into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CNDS_COND_MIG_RECORD_USG_A
*  INTO TABLE @DATA(IT_CNDS_COND_MIG_RECORD_USG_A2).
*--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_CNDS_COND_MIG_RECORD_USG_A INDEX 1 INTO DATA(WA_CNDS_COND_MIG_RECORD_USG_A2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CNDS_COND_MIG_RECORD_USG_A>-SENDER_TECHNICAL_ID = 1.
<CNDS_COND_MIG_RECORD_USG_A>-KNUMH = 1.
<CNDS_COND_MIG_RECORD_USG_A>-KOPOS = 1.
<CNDS_COND_MIG_RECORD_USG_A>-KAPPL = 1.
<CNDS_COND_MIG_RECORD_USG_A>-KSCHL = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CNDS_COND_MIG_RECORD_USG_A-DATAB, sy-vline,
  WA_CNDS_COND_MIG_RECORD_USG_A-DATBI, sy-vline,
  WA_CNDS_COND_MIG_RECORD_USG_A-KRECH, sy-vline,
  WA_CNDS_COND_MIG_RECORD_USG_A-KBETR_EXT, sy-vline,
  WA_CNDS_COND_MIG_RECORD_USG_A-KONWA, sy-vline,
  WA_CNDS_COND_MIG_RECORD_USG_A-KONWA_ISO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CNDS_COND_MIG_RECORD_USG_A 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_CNDS_COND_MIG_RECORD_USG_A 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_CNDS_COND_MIG_RECORD_USG_A INTO WA_CNDS_COND_MIG_RECORD_USG_A.


*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 CUNIT, internal->external for field KMEIN
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CNDS_COND_MIG_RECORD_USG_A-KMEIN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CNDS_COND_MIG_RECORD_USG_A-KMEIN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CNDS_COND_MIG_RECORD_USG_A-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CNDS_COND_MIG_RECORD_USG_A-MEINS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field KONMS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CNDS_COND_MIG_RECORD_USG_A-KONMS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CNDS_COND_MIG_RECORD_USG_A-KONMS.
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_CNDS_COND_MIG_RECORD_USG_A_STR, 
SENDER_TECHNICAL_ID TYPE STRING,
KNUMH TYPE STRING,
KOPOS TYPE STRING,
KAPPL TYPE STRING,
KSCHL TYPE STRING,
DATAB TYPE STRING,
DATBI TYPE STRING,
KRECH TYPE STRING,
KBETR_EXT TYPE STRING,
KONWA TYPE STRING,
KONWA_ISO TYPE STRING,
KPEIN TYPE STRING,
KMEIN TYPE STRING,
KMEIN_ISO TYPE STRING,
KUMZA TYPE STRING,
KUMNE TYPE STRING,
MEINS TYPE STRING,
MEINS_ISO TYPE STRING,
KONMS TYPE STRING,
KONMS_ISO TYPE STRING,
KONWS TYPE STRING,
KONWS_ISO TYPE STRING,
STFKZ TYPE STRING,
KZBZG TYPE STRING,
KBSTAT TYPE STRING,
KZNEP TYPE STRING,
VALTG TYPE STRING,
VALDT TYPE STRING,
ZTERM TYPE STRING,
MXWRT TYPE STRING,
GKWRT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CNDS_COND_MIG_RECORD_USG_A_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_CNDS_COND_MIG_RECORD_USG_A_STR-SENDER_TECHNICAL_ID sy-vline 
WA_CNDS_COND_MIG_RECORD_USG_A_STR-KNUMH sy-vline 
WA_CNDS_COND_MIG_RECORD_USG_A_STR-KOPOS sy-vline 
WA_CNDS_COND_MIG_RECORD_USG_A_STR-KAPPL sy-vline 
WA_CNDS_COND_MIG_RECORD_USG_A_STR-KSCHL sy-vline 
WA_CNDS_COND_MIG_RECORD_USG_A_STR-DATAB sy-vline 
WA_CNDS_COND_MIG_RECORD_USG_A_STR-DATBI sy-vline 
WA_CNDS_COND_MIG_RECORD_USG_A_STR-KRECH sy-vline 
WA_CNDS_COND_MIG_RECORD_USG_A_STR-KBETR_EXT sy-vline 
WA_CNDS_COND_MIG_RECORD_USG_A_STR-KONWA sy-vline 
WA_CNDS_COND_MIG_RECORD_USG_A_STR-KONWA_ISO sy-vline 
WA_CNDS_COND_MIG_RECORD_USG_A_STR-KPEIN sy-vline 
WA_CNDS_COND_MIG_RECORD_USG_A_STR-KMEIN sy-vline 
WA_CNDS_COND_MIG_RECORD_USG_A_STR-KMEIN_ISO sy-vline 
WA_CNDS_COND_MIG_RECORD_USG_A_STR-KUMZA sy-vline 
WA_CNDS_COND_MIG_RECORD_USG_A_STR-KUMNE sy-vline 
WA_CNDS_COND_MIG_RECORD_USG_A_STR-MEINS sy-vline 
WA_CNDS_COND_MIG_RECORD_USG_A_STR-MEINS_ISO sy-vline 
WA_CNDS_COND_MIG_RECORD_USG_A_STR-KONMS sy-vline 
WA_CNDS_COND_MIG_RECORD_USG_A_STR-KONMS_ISO sy-vline 
WA_CNDS_COND_MIG_RECORD_USG_A_STR-KONWS sy-vline 
WA_CNDS_COND_MIG_RECORD_USG_A_STR-KONWS_ISO sy-vline 
WA_CNDS_COND_MIG_RECORD_USG_A_STR-STFKZ sy-vline 
WA_CNDS_COND_MIG_RECORD_USG_A_STR-KZBZG sy-vline 
WA_CNDS_COND_MIG_RECORD_USG_A_STR-KBSTAT sy-vline 
WA_CNDS_COND_MIG_RECORD_USG_A_STR-KZNEP sy-vline 
WA_CNDS_COND_MIG_RECORD_USG_A_STR-VALTG sy-vline 
WA_CNDS_COND_MIG_RECORD_USG_A_STR-VALDT sy-vline 
WA_CNDS_COND_MIG_RECORD_USG_A_STR-ZTERM sy-vline 
WA_CNDS_COND_MIG_RECORD_USG_A_STR-MXWRT sy-vline 
WA_CNDS_COND_MIG_RECORD_USG_A_STR-GKWRT sy-vline      INTO ld_text SEPARATED BY SPACE.

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