ABAP Select data from SAP table RMSLS_WUI_FORM_DATA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RMSLS_WUI_FORM_DATA
*  INTO TABLE @DATA(IT_RMSLS_WUI_FORM_DATA2).
*--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_RMSLS_WUI_FORM_DATA INDEX 1 INTO DATA(WA_RMSLS_WUI_FORM_DATA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RMSLS_WUI_FORM_DATA>-TEXT1 = 1.
<RMSLS_WUI_FORM_DATA>-TEXT2 = 1.
<RMSLS_WUI_FORM_DATA>-TEXT3 = 1.
<RMSLS_WUI_FORM_DATA>-TEXT4 = 1.
<RMSLS_WUI_FORM_DATA>-TEXT5 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RMSLS_WUI_FORM_DATA-TEXT6, sy-vline,
  WA_RMSLS_WUI_FORM_DATA-TEXT7, sy-vline,
  WA_RMSLS_WUI_FORM_DATA-TEXT8, sy-vline,
  WA_RMSLS_WUI_FORM_DATA-TEXT9, sy-vline,
  WA_RMSLS_WUI_FORM_DATA-TEXT10, sy-vline,
  WA_RMSLS_WUI_FORM_DATA-TEXT11, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RMSLS_WUI_FORM_DATA 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_RMSLS_WUI_FORM_DATA 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_RMSLS_WUI_FORM_DATA INTO WA_RMSLS_WUI_FORM_DATA.


*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_RMSLS_WUI_FORM_DATA_STR, 
TEXT1 TYPE STRING,
TEXT2 TYPE STRING,
TEXT3 TYPE STRING,
TEXT4 TYPE STRING,
TEXT5 TYPE STRING,
TEXT6 TYPE STRING,
TEXT7 TYPE STRING,
TEXT8 TYPE STRING,
TEXT9 TYPE STRING,
TEXT10 TYPE STRING,
TEXT11 TYPE STRING,
TEXT12 TYPE STRING,
TEXT13 TYPE STRING,
TEXT14 TYPE STRING,
TEXT15 TYPE STRING,
TEXT16 TYPE STRING,
TEXT17 TYPE STRING,
TEXT18 TYPE STRING,
LT_NUTRL3_ADOBE TYPE STRING,
LT_INGRL_ADOBE TYPE STRING,
LT_DIETL_ADOBE TYPE STRING,
LT_PACKAGE_ADOBE TYPE STRING,
IT_DRAFT_DIET TYPE STRING,
IT_DRAFT_INGREDIENT TYPE STRING,
IT_DRAFT_PACKAGE TYPE STRING,
LT_ALL_NUTRIENTS TYPE STRING,
LT_NUTRIENTS_AS_TXT TYPE STRING,
LS_NULI_DESCRIPTION TYPE STRING,
NUTRIENT_TXT TYPE STRING,
DSC_NULI_1 TYPE STRING,
DSC_NULI_2 TYPE STRING,
DSC_NULI_3 TYPE STRING,
DSC_NULI_4 TYPE STRING,
I_NUMBER_OF_NULI TYPE STRING,
IT_NUTRIENTS_TXT_CNT1 TYPE STRING,
IT_NUTRIENTS_TXT_CNT2 TYPE STRING,
IT_NUTRIENTS_TXT_CNT3 TYPE STRING,
I_LINES_DRAFT_PACKAGE TYPE STRING,
IT_NUTRL_CALORIE_1LISTS TYPE STRING,
IT_NUTRL_CALORIE_2LISTS TYPE STRING,
IT_NUTRL_CALORIE_3LISTS TYPE STRING,
IT_NUTRL_CALORIE_4LISTS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RMSLS_WUI_FORM_DATA_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_RMSLS_WUI_FORM_DATA_STR-TEXT1 sy-vline 
WA_RMSLS_WUI_FORM_DATA_STR-TEXT2 sy-vline 
WA_RMSLS_WUI_FORM_DATA_STR-TEXT3 sy-vline 
WA_RMSLS_WUI_FORM_DATA_STR-TEXT4 sy-vline 
WA_RMSLS_WUI_FORM_DATA_STR-TEXT5 sy-vline 
WA_RMSLS_WUI_FORM_DATA_STR-TEXT6 sy-vline 
WA_RMSLS_WUI_FORM_DATA_STR-TEXT7 sy-vline 
WA_RMSLS_WUI_FORM_DATA_STR-TEXT8 sy-vline 
WA_RMSLS_WUI_FORM_DATA_STR-TEXT9 sy-vline 
WA_RMSLS_WUI_FORM_DATA_STR-TEXT10 sy-vline 
WA_RMSLS_WUI_FORM_DATA_STR-TEXT11 sy-vline 
WA_RMSLS_WUI_FORM_DATA_STR-TEXT12 sy-vline 
WA_RMSLS_WUI_FORM_DATA_STR-TEXT13 sy-vline 
WA_RMSLS_WUI_FORM_DATA_STR-TEXT14 sy-vline 
WA_RMSLS_WUI_FORM_DATA_STR-TEXT15 sy-vline 
WA_RMSLS_WUI_FORM_DATA_STR-TEXT16 sy-vline 
WA_RMSLS_WUI_FORM_DATA_STR-TEXT17 sy-vline 
WA_RMSLS_WUI_FORM_DATA_STR-TEXT18 sy-vline 
WA_RMSLS_WUI_FORM_DATA_STR-LT_NUTRL3_ADOBE sy-vline 
WA_RMSLS_WUI_FORM_DATA_STR-LT_INGRL_ADOBE sy-vline 
WA_RMSLS_WUI_FORM_DATA_STR-LT_DIETL_ADOBE sy-vline 
WA_RMSLS_WUI_FORM_DATA_STR-LT_PACKAGE_ADOBE sy-vline 
WA_RMSLS_WUI_FORM_DATA_STR-IT_DRAFT_DIET sy-vline 
WA_RMSLS_WUI_FORM_DATA_STR-IT_DRAFT_INGREDIENT sy-vline 
WA_RMSLS_WUI_FORM_DATA_STR-IT_DRAFT_PACKAGE sy-vline 
WA_RMSLS_WUI_FORM_DATA_STR-LT_ALL_NUTRIENTS sy-vline 
WA_RMSLS_WUI_FORM_DATA_STR-LT_NUTRIENTS_AS_TXT sy-vline 
WA_RMSLS_WUI_FORM_DATA_STR-LS_NULI_DESCRIPTION sy-vline 
WA_RMSLS_WUI_FORM_DATA_STR-NUTRIENT_TXT sy-vline 
WA_RMSLS_WUI_FORM_DATA_STR-DSC_NULI_1 sy-vline 
WA_RMSLS_WUI_FORM_DATA_STR-DSC_NULI_2 sy-vline 
WA_RMSLS_WUI_FORM_DATA_STR-DSC_NULI_3 sy-vline 
WA_RMSLS_WUI_FORM_DATA_STR-DSC_NULI_4 sy-vline 
WA_RMSLS_WUI_FORM_DATA_STR-I_NUMBER_OF_NULI sy-vline 
WA_RMSLS_WUI_FORM_DATA_STR-IT_NUTRIENTS_TXT_CNT1 sy-vline 
WA_RMSLS_WUI_FORM_DATA_STR-IT_NUTRIENTS_TXT_CNT2 sy-vline 
WA_RMSLS_WUI_FORM_DATA_STR-IT_NUTRIENTS_TXT_CNT3 sy-vline 
WA_RMSLS_WUI_FORM_DATA_STR-I_LINES_DRAFT_PACKAGE sy-vline 
WA_RMSLS_WUI_FORM_DATA_STR-IT_NUTRL_CALORIE_1LISTS sy-vline 
WA_RMSLS_WUI_FORM_DATA_STR-IT_NUTRL_CALORIE_2LISTS sy-vline 
WA_RMSLS_WUI_FORM_DATA_STR-IT_NUTRL_CALORIE_3LISTS sy-vline 
WA_RMSLS_WUI_FORM_DATA_STR-IT_NUTRL_CALORIE_4LISTS sy-vline      INTO ld_text SEPARATED BY SPACE.

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