ABAP Select data from SAP table RMPS_RESUB_ALL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RMPS_RESUB_ALL
*  INTO TABLE @DATA(IT_RMPS_RESUB_ALL2).
*--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_RMPS_RESUB_ALL INDEX 1 INTO DATA(WA_RMPS_RESUB_ALL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RMPS_RESUB_ALL>-CLIENT = 1.
<RMPS_RESUB_ALL>-UNAME = 1.
<RMPS_RESUB_ALL>-RMSID = 1.
<RMPS_RESUB_ALL>-PDIRID = 1.
<RMPS_RESUB_ALL>-RESDAT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RMPS_RESUB_ALL-DUEDAT, sy-vline,
  WA_RMPS_RESUB_ALL-PRIORITY, sy-vline,
  WA_RMPS_RESUB_ALL-STATUS, sy-vline,
  WA_RMPS_RESUB_ALL-ICON, sy-vline,
  WA_RMPS_RESUB_ALL-TEXT, sy-vline,
  WA_RMPS_RESUB_ALL-ACTION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RMPS_RESUB_ALL 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_RMPS_RESUB_ALL 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_RMPS_RESUB_ALL INTO WA_RMPS_RESUB_ALL.


*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 TSTPS, internal->external for field CHANGED_TIME
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_RMPS_RESUB_ALL-CHANGED_TIME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RMPS_RESUB_ALL-CHANGED_TIME.
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_RMPS_RESUB_ALL_STR, 
CLIENT TYPE STRING,
UNAME TYPE STRING,
RMSID TYPE STRING,
PDIRID TYPE STRING,
RESDAT TYPE STRING,
DUEDAT TYPE STRING,
PRIORITY TYPE STRING,
STATUS TYPE STRING,
ICON TYPE STRING,
TEXT TYPE STRING,
ACTION TYPE STRING,
CHANGED_TIME TYPE STRING,
CHANGED_USER TYPE STRING,
PATTERN TYPE STRING,
ITEM TYPE STRING,
PATTERN_TEXT TYPE STRING,
ITEM_TEXT TYPE STRING,
STATUS_TEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RMPS_RESUB_ALL_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_RMPS_RESUB_ALL_STR-CLIENT sy-vline 
WA_RMPS_RESUB_ALL_STR-UNAME sy-vline 
WA_RMPS_RESUB_ALL_STR-RMSID sy-vline 
WA_RMPS_RESUB_ALL_STR-PDIRID sy-vline 
WA_RMPS_RESUB_ALL_STR-RESDAT sy-vline 
WA_RMPS_RESUB_ALL_STR-DUEDAT sy-vline 
WA_RMPS_RESUB_ALL_STR-PRIORITY sy-vline 
WA_RMPS_RESUB_ALL_STR-STATUS sy-vline 
WA_RMPS_RESUB_ALL_STR-ICON sy-vline 
WA_RMPS_RESUB_ALL_STR-TEXT sy-vline 
WA_RMPS_RESUB_ALL_STR-ACTION sy-vline 
WA_RMPS_RESUB_ALL_STR-CHANGED_TIME sy-vline 
WA_RMPS_RESUB_ALL_STR-CHANGED_USER sy-vline 
WA_RMPS_RESUB_ALL_STR-PATTERN sy-vline 
WA_RMPS_RESUB_ALL_STR-ITEM sy-vline 
WA_RMPS_RESUB_ALL_STR-PATTERN_TEXT sy-vline 
WA_RMPS_RESUB_ALL_STR-ITEM_TEXT sy-vline 
WA_RMPS_RESUB_ALL_STR-STATUS_TEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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