ABAP Select data from SAP table RCPS_MSC_STAT_DLG into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RCPS_MSC_STAT_DLG
*  INTO TABLE @DATA(IT_RCPS_MSC_STAT_DLG2).
*--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_RCPS_MSC_STAT_DLG INDEX 1 INTO DATA(WA_RCPS_MSC_STAT_DLG2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RCPS_MSC_STAT_DLG>-MARKFLG = 1.
<RCPS_MSC_STAT_DLG>-LINETY = 1.
<RCPS_MSC_STAT_DLG>-SEQNO = 1.
<RCPS_MSC_STAT_DLG>-SUBSEQNO = 1.
<RCPS_MSC_STAT_DLG>-ICON_MSGTY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RCPS_MSC_STAT_DLG-OBJTYPE, sy-vline,
  WA_RCPS_MSC_STAT_DLG-OBJTYPET, sy-vline,
  WA_RCPS_MSC_STAT_DLG-T_MSG, sy-vline,
  WA_RCPS_MSC_STAT_DLG-LINECOL, sy-vline,
  WA_RCPS_MSC_STAT_DLG-T_STYLE, sy-vline,
  WA_RCPS_MSC_STAT_DLG-T_COL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RCPS_MSC_STAT_DLG 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_RCPS_MSC_STAT_DLG 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_RCPS_MSC_STAT_DLG INTO WA_RCPS_MSC_STAT_DLG.


*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 ALPHA, internal->external for field AENNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RCPS_MSC_STAT_DLG-AENNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RCPS_MSC_STAT_DLG-AENNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ASCOPE_AENNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RCPS_MSC_STAT_DLG-ASCOPE_AENNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RCPS_MSC_STAT_DLG-ASCOPE_AENNR.
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_RCPS_MSC_STAT_DLG_STR, 
MARKFLG TYPE STRING,
LINETY TYPE STRING,
SEQNO TYPE STRING,
SUBSEQNO TYPE STRING,
ICON_MSGTY TYPE STRING,
OBJTYPE TYPE STRING,
OBJTYPET TYPE STRING,
T_MSG TYPE STRING,
LINECOL TYPE STRING,
T_STYLE TYPE STRING,
T_COL TYPE STRING,
STATYPE TYPE STRING,
KEY TYPE STRING,
ACTN TYPE STRING,
ROOTKEY TYPE STRING,
AENNR TYPE STRING,
ID TYPE STRING,
DESCR TYPE STRING,
IDENT TYPE STRING,
SUBCAT TYPE STRING,
SUBCATT TYPE STRING,
VACLID TYPE STRING,
RVLID TYPE STRING,
STATUS TYPE STRING,
STATUST TYPE STRING,
ASCOPE_AENNR TYPE STRING,
VALFR TYPE STRING,
VALTO TYPE STRING,
T_ESTAT TYPE STRING,
ESTATT TYPE STRING,
PLVAR TYPE STRING,
OTYPE TYPE STRING,
REALO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RCPS_MSC_STAT_DLG_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_RCPS_MSC_STAT_DLG_STR-MARKFLG sy-vline 
WA_RCPS_MSC_STAT_DLG_STR-LINETY sy-vline 
WA_RCPS_MSC_STAT_DLG_STR-SEQNO sy-vline 
WA_RCPS_MSC_STAT_DLG_STR-SUBSEQNO sy-vline 
WA_RCPS_MSC_STAT_DLG_STR-ICON_MSGTY sy-vline 
WA_RCPS_MSC_STAT_DLG_STR-OBJTYPE sy-vline 
WA_RCPS_MSC_STAT_DLG_STR-OBJTYPET sy-vline 
WA_RCPS_MSC_STAT_DLG_STR-T_MSG sy-vline 
WA_RCPS_MSC_STAT_DLG_STR-LINECOL sy-vline 
WA_RCPS_MSC_STAT_DLG_STR-T_STYLE sy-vline 
WA_RCPS_MSC_STAT_DLG_STR-T_COL sy-vline 
WA_RCPS_MSC_STAT_DLG_STR-STATYPE sy-vline 
WA_RCPS_MSC_STAT_DLG_STR-KEY sy-vline 
WA_RCPS_MSC_STAT_DLG_STR-ACTN sy-vline 
WA_RCPS_MSC_STAT_DLG_STR-ROOTKEY sy-vline 
WA_RCPS_MSC_STAT_DLG_STR-AENNR sy-vline 
WA_RCPS_MSC_STAT_DLG_STR-ID sy-vline 
WA_RCPS_MSC_STAT_DLG_STR-DESCR sy-vline 
WA_RCPS_MSC_STAT_DLG_STR-IDENT sy-vline 
WA_RCPS_MSC_STAT_DLG_STR-SUBCAT sy-vline 
WA_RCPS_MSC_STAT_DLG_STR-SUBCATT sy-vline 
WA_RCPS_MSC_STAT_DLG_STR-VACLID sy-vline 
WA_RCPS_MSC_STAT_DLG_STR-RVLID sy-vline 
WA_RCPS_MSC_STAT_DLG_STR-STATUS sy-vline 
WA_RCPS_MSC_STAT_DLG_STR-STATUST sy-vline 
WA_RCPS_MSC_STAT_DLG_STR-ASCOPE_AENNR sy-vline 
WA_RCPS_MSC_STAT_DLG_STR-VALFR sy-vline 
WA_RCPS_MSC_STAT_DLG_STR-VALTO sy-vline 
WA_RCPS_MSC_STAT_DLG_STR-T_ESTAT sy-vline 
WA_RCPS_MSC_STAT_DLG_STR-ESTATT sy-vline 
WA_RCPS_MSC_STAT_DLG_STR-PLVAR sy-vline 
WA_RCPS_MSC_STAT_DLG_STR-OTYPE sy-vline 
WA_RCPS_MSC_STAT_DLG_STR-REALO sy-vline      INTO ld_text SEPARATED BY SPACE.

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