ABAP Select data from SAP table UMK_YS_CHASEL_DYNPRO into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM UMK_YS_CHASEL_DYNPRO
*  INTO TABLE @DATA(IT_UMK_YS_CHASEL_DYNPRO2).
*--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_UMK_YS_CHASEL_DYNPRO INDEX 1 INTO DATA(WA_UMK_YS_CHASEL_DYNPRO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<UMK_YS_CHASEL_DYNPRO>-CHANM = 1.
<UMK_YS_CHASEL_DYNPRO>-CHATXT = 1.
<UMK_YS_CHASEL_DYNPRO>-SIGN = 1.
<UMK_YS_CHASEL_DYNPRO>-OPT = 1.
<UMK_YS_CHASEL_DYNPRO>-LOW = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_UMK_YS_CHASEL_DYNPRO-HIGH, sy-vline,
  WA_UMK_YS_CHASEL_DYNPRO-LOWEXT, sy-vline,
  WA_UMK_YS_CHASEL_DYNPRO-HIGHEXT, sy-vline,
  WA_UMK_YS_CHASEL_DYNPRO-LOWTEXT, sy-vline,
  WA_UMK_YS_CHASEL_DYNPRO-HIGHTEXT, sy-vline,
  WA_UMK_YS_CHASEL_DYNPRO-LPOSN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_UMK_YS_CHASEL_DYNPRO 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_UMK_YS_CHASEL_DYNPRO 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_UMK_YS_CHASEL_DYNPRO INTO WA_UMK_YS_CHASEL_DYNPRO.


*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_UMK_YS_CHASEL_DYNPRO_STR, 
CHANM TYPE STRING,
CHATXT TYPE STRING,
SIGN TYPE STRING,
OPT TYPE STRING,
LOW TYPE STRING,
HIGH TYPE STRING,
LOWEXT TYPE STRING,
HIGHEXT TYPE STRING,
LOWTEXT TYPE STRING,
HIGHTEXT TYPE STRING,
LPOSN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_UMK_YS_CHASEL_DYNPRO_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_UMK_YS_CHASEL_DYNPRO_STR-CHANM sy-vline 
WA_UMK_YS_CHASEL_DYNPRO_STR-CHATXT sy-vline 
WA_UMK_YS_CHASEL_DYNPRO_STR-SIGN sy-vline 
WA_UMK_YS_CHASEL_DYNPRO_STR-OPT sy-vline 
WA_UMK_YS_CHASEL_DYNPRO_STR-LOW sy-vline 
WA_UMK_YS_CHASEL_DYNPRO_STR-HIGH sy-vline 
WA_UMK_YS_CHASEL_DYNPRO_STR-LOWEXT sy-vline 
WA_UMK_YS_CHASEL_DYNPRO_STR-HIGHEXT sy-vline 
WA_UMK_YS_CHASEL_DYNPRO_STR-LOWTEXT sy-vline 
WA_UMK_YS_CHASEL_DYNPRO_STR-HIGHTEXT sy-vline 
WA_UMK_YS_CHASEL_DYNPRO_STR-LPOSN sy-vline      INTO ld_text SEPARATED BY SPACE.

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