ABAP Select data from SAP table EAMS_S_SP_ORD_OP_PRT_MP_SELECT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EAMS_S_SP_ORD_OP_PRT_MP_SELECT
*  INTO TABLE @DATA(IT_EAMS_S_SP_ORD_OP_PRT_MP_SELECT2).
*--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_EAMS_S_SP_ORD_OP_PRT_MP_SELECT INDEX 1 INTO DATA(WA_EAMS_S_SP_ORD_OP_PRT_MP_SELECT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EAMS_S_SP_ORD_OP_PRT_MP_SELECT>-ROW_KEY = 1.
<EAMS_S_SP_ORD_OP_PRT_MP_SELECT>-EAMS_AUFNR = 1.
<EAMS_S_SP_ORD_OP_PRT_MP_SELECT>-EAMS_VORNR = 1.
<EAMS_S_SP_ORD_OP_PRT_MP_SELECT>-EAMS_UVORN = 1.
<EAMS_S_SP_ORD_OP_PRT_MP_SELECT>-FHMAR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EAMS_S_SP_ORD_OP_PRT_MP_SELECT-EAMS_PRTNR, sy-vline,
  WA_EAMS_S_SP_ORD_OP_PRT_MP_SELECT-EAMS_POINT, sy-vline,
  WA_EAMS_S_SP_ORD_OP_PRT_MP_SELECT-EAMS_TEC_OBJ_TYPE, sy-vline,
  WA_EAMS_S_SP_ORD_OP_PRT_MP_SELECT-EAMS_TEC_OBJ_NO, sy-vline,
  WA_EAMS_S_SP_ORD_OP_PRT_MP_SELECT-EAMS_TEC_OBJ_TXT, sy-vline,
  WA_EAMS_S_SP_ORD_OP_PRT_MP_SELECT-EAMS_TEC_OBJ_TYPE_TXT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EAMS_S_SP_ORD_OP_PRT_MP_SELECT 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_EAMS_S_SP_ORD_OP_PRT_MP_SELECT 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_EAMS_S_SP_ORD_OP_PRT_MP_SELECT INTO WA_EAMS_S_SP_ORD_OP_PRT_MP_SELECT.


*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 EAMS_AUFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EAMS_S_SP_ORD_OP_PRT_MP_SELECT-EAMS_AUFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EAMS_S_SP_ORD_OP_PRT_MP_SELECT-EAMS_AUFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field EAMS_VORNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_EAMS_S_SP_ORD_OP_PRT_MP_SELECT-EAMS_VORNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EAMS_S_SP_ORD_OP_PRT_MP_SELECT-EAMS_VORNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field EAMS_UVORN
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_EAMS_S_SP_ORD_OP_PRT_MP_SELECT-EAMS_UVORN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EAMS_S_SP_ORD_OP_PRT_MP_SELECT-EAMS_UVORN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit FHMAR, internal->external for field FHMAR
CALL FUNCTION 'CONVERSION_EXIT_FHMAR_OUTPUT'
  EXPORTING
    input =                      WA_EAMS_S_SP_ORD_OP_PRT_MP_SELECT-FHMAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EAMS_S_SP_ORD_OP_PRT_MP_SELECT-FHMAR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit CUNIT, internal->external for field PRT_MEASURE_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_EAMS_S_SP_ORD_OP_PRT_MP_SELECT-PRT_MEASURE_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EAMS_S_SP_ORD_OP_PRT_MP_SELECT-PRT_MEASURE_UNIT.
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_EAMS_S_SP_ORD_OP_PRT_MP_SELECT_STR, 
ROW_KEY TYPE STRING,
EAMS_AUFNR TYPE STRING,
EAMS_VORNR TYPE STRING,
EAMS_UVORN TYPE STRING,
FHMAR TYPE STRING,
EAMS_PRTNR TYPE STRING,
EAMS_POINT TYPE STRING,
EAMS_TEC_OBJ_TYPE TYPE STRING,
EAMS_TEC_OBJ_NO TYPE STRING,
EAMS_TEC_OBJ_TXT TYPE STRING,
EAMS_TEC_OBJ_TYPE_TXT TYPE STRING,
ICON_OBJECT_TYPE TYPE STRING,
EAMS_MPTYPE TYPE STRING,
REF_OBJ_TYPE TYPE STRING,
PTTXT TYPE STRING,
PRT_MEASURE_UNIT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EAMS_S_SP_ORD_OP_PRT_MP_SELECT_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_EAMS_S_SP_ORD_OP_PRT_MP_SELECT_STR-ROW_KEY sy-vline 
WA_EAMS_S_SP_ORD_OP_PRT_MP_SELECT_STR-EAMS_AUFNR sy-vline 
WA_EAMS_S_SP_ORD_OP_PRT_MP_SELECT_STR-EAMS_VORNR sy-vline 
WA_EAMS_S_SP_ORD_OP_PRT_MP_SELECT_STR-EAMS_UVORN sy-vline 
WA_EAMS_S_SP_ORD_OP_PRT_MP_SELECT_STR-FHMAR sy-vline 
WA_EAMS_S_SP_ORD_OP_PRT_MP_SELECT_STR-EAMS_PRTNR sy-vline 
WA_EAMS_S_SP_ORD_OP_PRT_MP_SELECT_STR-EAMS_POINT sy-vline 
WA_EAMS_S_SP_ORD_OP_PRT_MP_SELECT_STR-EAMS_TEC_OBJ_TYPE sy-vline 
WA_EAMS_S_SP_ORD_OP_PRT_MP_SELECT_STR-EAMS_TEC_OBJ_NO sy-vline 
WA_EAMS_S_SP_ORD_OP_PRT_MP_SELECT_STR-EAMS_TEC_OBJ_TXT sy-vline 
WA_EAMS_S_SP_ORD_OP_PRT_MP_SELECT_STR-EAMS_TEC_OBJ_TYPE_TXT sy-vline 
WA_EAMS_S_SP_ORD_OP_PRT_MP_SELECT_STR-ICON_OBJECT_TYPE sy-vline 
WA_EAMS_S_SP_ORD_OP_PRT_MP_SELECT_STR-EAMS_MPTYPE sy-vline 
WA_EAMS_S_SP_ORD_OP_PRT_MP_SELECT_STR-REF_OBJ_TYPE sy-vline 
WA_EAMS_S_SP_ORD_OP_PRT_MP_SELECT_STR-PTTXT sy-vline 
WA_EAMS_S_SP_ORD_OP_PRT_MP_SELECT_STR-PRT_MEASURE_UNIT sy-vline      INTO ld_text SEPARATED BY SPACE.

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