ABAP Select data from SAP table MPES_WI_ADD_REMAINING_IC_INP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MPES_WI_ADD_REMAINING_IC_INP
*  INTO TABLE @DATA(IT_MPES_WI_ADD_REMAINING_IC_INP2).
*--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_MPES_WI_ADD_REMAINING_IC_INP INDEX 1 INTO DATA(WA_MPES_WI_ADD_REMAINING_IC_INP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MPES_WI_ADD_REMAINING_IC_INP>-SELECTEDCONTEXTTYPE = 1.
<MPES_WI_ADD_REMAINING_IC_INP>-INSPSPECLOWERLIMIT = 1.
<MPES_WI_ADD_REMAINING_IC_INP>-INSPECTIONSPECIFICATIONUNIT = 1.
<MPES_WI_ADD_REMAINING_IC_INP>-INSPECTIONSPECIFICATION = 1.
<MPES_WI_ADD_REMAINING_IC_INP>-INSPECTIONCHARACTERISTICTEXT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MPES_WI_ADD_REMAINING_IC_INP-INSPSPECTARGETVALUE, sy-vline,
  WA_MPES_WI_ADD_REMAINING_IC_INP-INSPSPECUPPERLIMIT, sy-vline,
  WA_MPES_WI_ADD_REMAINING_IC_INP-BOOCHARCGROUP, sy-vline,
  WA_MPES_WI_ADD_REMAINING_IC_INP-INSPCHARCGRPDESC, sy-vline,
  WA_MPES_WI_ADD_REMAINING_IC_INP-INSPCHARCGRPDIVNDESC, sy-vline,
  WA_MPES_WI_ADD_REMAINING_IC_INP-MFGWORKINSTRUCTIONVARIABLE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MPES_WI_ADD_REMAINING_IC_INP 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_MPES_WI_ADD_REMAINING_IC_INP 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_MPES_WI_ADD_REMAINING_IC_INP INTO WA_MPES_WI_ADD_REMAINING_IC_INP.


*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 CUNIT, internal->external for field INSPECTIONSPECIFICATIONUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MPES_WI_ADD_REMAINING_IC_INP-INSPECTIONSPECIFICATIONUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MPES_WI_ADD_REMAINING_IC_INP-INSPECTIONSPECIFICATIONUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field INSPECTIONSPECIFICATION
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MPES_WI_ADD_REMAINING_IC_INP-INSPECTIONSPECIFICATION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MPES_WI_ADD_REMAINING_IC_INP-INSPECTIONSPECIFICATION.
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_MPES_WI_ADD_REMAINING_IC_INP_STR, 
SELECTEDCONTEXTTYPE TYPE STRING,
INSPSPECLOWERLIMIT TYPE STRING,
INSPECTIONSPECIFICATIONUNIT TYPE STRING,
INSPECTIONSPECIFICATION TYPE STRING,
INSPECTIONCHARACTERISTICTEXT TYPE STRING,
INSPSPECTARGETVALUE TYPE STRING,
INSPSPECUPPERLIMIT TYPE STRING,
BOOCHARCGROUP TYPE STRING,
INSPCHARCGRPDESC TYPE STRING,
INSPCHARCGRPDIVNDESC TYPE STRING,
MFGWORKINSTRUCTIONVARIABLE TYPE STRING,
MFGWORKINSTRUCTIONPLACEHOLDER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MPES_WI_ADD_REMAINING_IC_INP_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_MPES_WI_ADD_REMAINING_IC_INP_STR-SELECTEDCONTEXTTYPE sy-vline 
WA_MPES_WI_ADD_REMAINING_IC_INP_STR-INSPSPECLOWERLIMIT sy-vline 
WA_MPES_WI_ADD_REMAINING_IC_INP_STR-INSPECTIONSPECIFICATIONUNIT sy-vline 
WA_MPES_WI_ADD_REMAINING_IC_INP_STR-INSPECTIONSPECIFICATION sy-vline 
WA_MPES_WI_ADD_REMAINING_IC_INP_STR-INSPECTIONCHARACTERISTICTEXT sy-vline 
WA_MPES_WI_ADD_REMAINING_IC_INP_STR-INSPSPECTARGETVALUE sy-vline 
WA_MPES_WI_ADD_REMAINING_IC_INP_STR-INSPSPECUPPERLIMIT sy-vline 
WA_MPES_WI_ADD_REMAINING_IC_INP_STR-BOOCHARCGROUP sy-vline 
WA_MPES_WI_ADD_REMAINING_IC_INP_STR-INSPCHARCGRPDESC sy-vline 
WA_MPES_WI_ADD_REMAINING_IC_INP_STR-INSPCHARCGRPDIVNDESC sy-vline 
WA_MPES_WI_ADD_REMAINING_IC_INP_STR-MFGWORKINSTRUCTIONVARIABLE sy-vline 
WA_MPES_WI_ADD_REMAINING_IC_INP_STR-MFGWORKINSTRUCTIONPLACEHOLDER sy-vline      INTO ld_text SEPARATED BY SPACE.

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