ABAP Select data from SAP table DMSKUI_DYNP_300 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP DMSKUI_DYNP_300 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 DMSKUI_DYNP_300. 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 DMSKUI_DYNP_300 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_DMSKUI_DYNP_300 TYPE STANDARD TABLE OF DMSKUI_DYNP_300,
      WA_DMSKUI_DYNP_300 TYPE DMSKUI_DYNP_300,
      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: <DMSKUI_DYNP_300> TYPE DMSKUI_DYNP_300.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_DMSKUI_DYNP_300.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM DMSKUI_DYNP_300
  INTO TABLE IT_DMSKUI_DYNP_300.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM DMSKUI_DYNP_300
*  INTO TABLE @DATA(IT_DMSKUI_DYNP_3002).
*--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_DMSKUI_DYNP_300 INDEX 1 INTO DATA(WA_DMSKUI_DYNP_3002).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_DMSKUI_DYNP_300 ASSIGNING <DMSKUI_DYNP_300>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<DMSKUI_DYNP_300>-IDX = 1.
<DMSKUI_DYNP_300>-DMSK_MASKED = 1.
<DMSKUI_DYNP_300>-RAL_PATH_TYPE = 1.
<DMSKUI_DYNP_300>-RAL_PATH_TYPE_TXT = 1.
<DMSKUI_DYNP_300>-RAL_PATH = 1.

ENDLOOP.

LOOP AT IT_DMSKUI_DYNP_300 INTO WA_DMSKUI_DYNP_300.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_DMSKUI_DYNP_300-DMSK_FLDNM, sy-vline,
  WA_DMSKUI_DYNP_300-UI_MULTI, sy-vline,
  WA_DMSKUI_DYNP_300-UI_MULTI_TXT, sy-vline,
  WA_DMSKUI_DYNP_300-DMSK_RULE_NAME, sy-vline,
  WA_DMSKUI_DYNP_300-DMSK_MASK_NAME, sy-vline,
  WA_DMSKUI_DYNP_300-RAL_SW_COMP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_DMSKUI_DYNP_300 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_DMSKUI_DYNP_300 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_DMSKUI_DYNP_300 INTO WA_DMSKUI_DYNP_300.


*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_DMSKUI_DYNP_300_STR, 
IDX TYPE STRING,
DMSK_MASKED TYPE STRING,
RAL_PATH_TYPE TYPE STRING,
RAL_PATH_TYPE_TXT TYPE STRING,
RAL_PATH TYPE STRING,
DMSK_FLDNM TYPE STRING,
UI_MULTI TYPE STRING,
UI_MULTI_TXT TYPE STRING,
DMSK_RULE_NAME TYPE STRING,
DMSK_MASK_NAME TYPE STRING,
RAL_SW_COMP TYPE STRING,
RAL_LOG_DOMAIN TYPE STRING,
RAL_LOG_DOMAIN_DESCR TYPE STRING,
DMSK_PRGRM TYPE STRING,
DMSK_SCRNO TYPE STRING,
RAL_LOG_PURPOSE_ID TYPE STRING,
RAL_LOG_PURPOSE_NAME TYPE STRING,
RAL_LOG_PURPOSE_DESCR TYPE STRING,
RAL_CONFIG_RECORDING_NAME TYPE STRING,
RAL_CONFIG_RECORDING_DESCR TYPE STRING,
RAL_CONFIG_DESCR TYPE STRING,
RAL_LOG_GROUP TYPE STRING,
RAL_LOG_GROUP_DESCR TYPE STRING,
RAL_CONFIG_LCHNG_USER TYPE STRING,
RAL_CONFIG_LCHNG_DATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_DMSKUI_DYNP_300_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_DMSKUI_DYNP_300_STR-IDX sy-vline 
WA_DMSKUI_DYNP_300_STR-DMSK_MASKED sy-vline 
WA_DMSKUI_DYNP_300_STR-RAL_PATH_TYPE sy-vline 
WA_DMSKUI_DYNP_300_STR-RAL_PATH_TYPE_TXT sy-vline 
WA_DMSKUI_DYNP_300_STR-RAL_PATH sy-vline 
WA_DMSKUI_DYNP_300_STR-DMSK_FLDNM sy-vline 
WA_DMSKUI_DYNP_300_STR-UI_MULTI sy-vline 
WA_DMSKUI_DYNP_300_STR-UI_MULTI_TXT sy-vline 
WA_DMSKUI_DYNP_300_STR-DMSK_RULE_NAME sy-vline 
WA_DMSKUI_DYNP_300_STR-DMSK_MASK_NAME sy-vline 
WA_DMSKUI_DYNP_300_STR-RAL_SW_COMP sy-vline 
WA_DMSKUI_DYNP_300_STR-RAL_LOG_DOMAIN sy-vline 
WA_DMSKUI_DYNP_300_STR-RAL_LOG_DOMAIN_DESCR sy-vline 
WA_DMSKUI_DYNP_300_STR-DMSK_PRGRM sy-vline 
WA_DMSKUI_DYNP_300_STR-DMSK_SCRNO sy-vline 
WA_DMSKUI_DYNP_300_STR-RAL_LOG_PURPOSE_ID sy-vline 
WA_DMSKUI_DYNP_300_STR-RAL_LOG_PURPOSE_NAME sy-vline 
WA_DMSKUI_DYNP_300_STR-RAL_LOG_PURPOSE_DESCR sy-vline 
WA_DMSKUI_DYNP_300_STR-RAL_CONFIG_RECORDING_NAME sy-vline 
WA_DMSKUI_DYNP_300_STR-RAL_CONFIG_RECORDING_DESCR sy-vline 
WA_DMSKUI_DYNP_300_STR-RAL_CONFIG_DESCR sy-vline 
WA_DMSKUI_DYNP_300_STR-RAL_LOG_GROUP sy-vline 
WA_DMSKUI_DYNP_300_STR-RAL_LOG_GROUP_DESCR sy-vline 
WA_DMSKUI_DYNP_300_STR-RAL_CONFIG_LCHNG_USER sy-vline 
WA_DMSKUI_DYNP_300_STR-RAL_CONFIG_LCHNG_DATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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