ABAP Select data from SAP table RECP_SCR_MSU_C into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RECP_SCR_MSU_C
*  INTO TABLE @DATA(IT_RECP_SCR_MSU_C2).
*--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_RECP_SCR_MSU_C INDEX 1 INTO DATA(WA_RECP_SCR_MSU_C2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RECP_SCR_MSU_C>-MANDT = 1.
<RECP_SCR_MSU_C>-SCS_SU_GUID = 1.
<RECP_SCR_MSU_C>-BUKRS = 1.
<RECP_SCR_MSU_C>-SWENR = 1.
<RECP_SCR_MSU_C>-SNKSL = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RECP_SCR_MSU_C-XSCKEY, sy-vline,
  WA_RECP_SCR_MSU_C-XSSCKEY, sy-vline,
  WA_RECP_SCR_MSU_C-SCKEYGRP, sy-vline,
  WA_RECP_SCR_MSU_C-XSCKEYGRP, sy-vline,
  WA_RECP_SCR_MSU_C-SEMPSL, sy-vline,
  WA_RECP_SCR_MSU_C-XSU, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RECP_SCR_MSU_C 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_RECP_SCR_MSU_C 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_RECP_SCR_MSU_C INTO WA_RECP_SCR_MSU_C.


*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 SWENR, internal->external for field SWENR
CALL FUNCTION 'CONVERSION_EXIT_SWENR_OUTPUT'
  EXPORTING
    input =                      WA_RECP_SCR_MSU_C-SWENR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RECP_SCR_MSU_C-SWENR.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit REDAT, internal->external for field PTO
CALL FUNCTION 'CONVERSION_EXIT_REDAT_OUTPUT'
  EXPORTING
    input =                      WA_RECP_SCR_MSU_C-PTO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RECP_SCR_MSU_C-PTO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field MEAS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RECP_SCR_MSU_C-MEAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RECP_SCR_MSU_C-MEAS.
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_RECP_SCR_MSU_C_STR, 
MANDT TYPE STRING,
SCS_SU_GUID TYPE STRING,
BUKRS TYPE STRING,
SWENR TYPE STRING,
SNKSL TYPE STRING,
XSCKEY TYPE STRING,
XSSCKEY TYPE STRING,
SCKEYGRP TYPE STRING,
XSCKEYGRP TYPE STRING,
SEMPSL TYPE STRING,
XSU TYPE STRING,
SU_OBJNR TYPE STRING,
SU_OBJID TYPE STRING,
PFROM TYPE STRING,
PTO TYPE STRING,
PLENGTH TYPE STRING,
PROCESSID TYPE STRING,
PURPOSE TYPE STRING,
MEAS TYPE STRING,
XMMEAS TYPE STRING,
XSMEAS TYPE STRING,
XPURPOSE TYPE STRING,
CURRENCY TYPE STRING,
NET_AMOUNT TYPE STRING,
DEDUCT_TAX TYPE STRING,
NONDEDUCT_TAX TYPE STRING,
GROSSAMOUNT_INFO TYPE STRING,
APPORTVALUE TYPE STRING,
HOW_DISTRIBUTE TYPE STRING,
XHOW_DISTRIBUTE TYPE STRING,
SUBOBJ TYPE STRING,
CUKY2ND TYPE STRING,
NET_AMOUNT_2ND TYPE STRING,
DEDUCT_TAX_2ND TYPE STRING,
NONDEDUCT_TAX_2ND TYPE STRING,
GROSSAMOUNT_INFO_2ND TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RECP_SCR_MSU_C_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_RECP_SCR_MSU_C_STR-MANDT sy-vline 
WA_RECP_SCR_MSU_C_STR-SCS_SU_GUID sy-vline 
WA_RECP_SCR_MSU_C_STR-BUKRS sy-vline 
WA_RECP_SCR_MSU_C_STR-SWENR sy-vline 
WA_RECP_SCR_MSU_C_STR-SNKSL sy-vline 
WA_RECP_SCR_MSU_C_STR-XSCKEY sy-vline 
WA_RECP_SCR_MSU_C_STR-XSSCKEY sy-vline 
WA_RECP_SCR_MSU_C_STR-SCKEYGRP sy-vline 
WA_RECP_SCR_MSU_C_STR-XSCKEYGRP sy-vline 
WA_RECP_SCR_MSU_C_STR-SEMPSL sy-vline 
WA_RECP_SCR_MSU_C_STR-XSU sy-vline 
WA_RECP_SCR_MSU_C_STR-SU_OBJNR sy-vline 
WA_RECP_SCR_MSU_C_STR-SU_OBJID sy-vline 
WA_RECP_SCR_MSU_C_STR-PFROM sy-vline 
WA_RECP_SCR_MSU_C_STR-PTO sy-vline 
WA_RECP_SCR_MSU_C_STR-PLENGTH sy-vline 
WA_RECP_SCR_MSU_C_STR-PROCESSID sy-vline 
WA_RECP_SCR_MSU_C_STR-PURPOSE sy-vline 
WA_RECP_SCR_MSU_C_STR-MEAS sy-vline 
WA_RECP_SCR_MSU_C_STR-XMMEAS sy-vline 
WA_RECP_SCR_MSU_C_STR-XSMEAS sy-vline 
WA_RECP_SCR_MSU_C_STR-XPURPOSE sy-vline 
WA_RECP_SCR_MSU_C_STR-CURRENCY sy-vline 
WA_RECP_SCR_MSU_C_STR-NET_AMOUNT sy-vline 
WA_RECP_SCR_MSU_C_STR-DEDUCT_TAX sy-vline 
WA_RECP_SCR_MSU_C_STR-NONDEDUCT_TAX sy-vline 
WA_RECP_SCR_MSU_C_STR-GROSSAMOUNT_INFO sy-vline 
WA_RECP_SCR_MSU_C_STR-APPORTVALUE sy-vline 
WA_RECP_SCR_MSU_C_STR-HOW_DISTRIBUTE sy-vline 
WA_RECP_SCR_MSU_C_STR-XHOW_DISTRIBUTE sy-vline 
WA_RECP_SCR_MSU_C_STR-SUBOBJ sy-vline 
WA_RECP_SCR_MSU_C_STR-CUKY2ND sy-vline 
WA_RECP_SCR_MSU_C_STR-NET_AMOUNT_2ND sy-vline 
WA_RECP_SCR_MSU_C_STR-DEDUCT_TAX_2ND sy-vline 
WA_RECP_SCR_MSU_C_STR-NONDEDUCT_TAX_2ND sy-vline 
WA_RECP_SCR_MSU_C_STR-GROSSAMOUNT_INFO_2ND sy-vline      INTO ld_text SEPARATED BY SPACE.

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