ABAP Select data from SAP table EHPRCS_UI_IMP_MAP_FMD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EHPRCS_UI_IMP_MAP_FMD
*  INTO TABLE @DATA(IT_EHPRCS_UI_IMP_MAP_FMD2).
*--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_EHPRCS_UI_IMP_MAP_FMD INDEX 1 INTO DATA(WA_EHPRCS_UI_IMP_MAP_FMD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EHPRCS_UI_IMP_MAP_FMD>-NODE = 1.
<EHPRCS_UI_IMP_MAP_FMD>-PARENT_NODE = 1.
<EHPRCS_UI_IMP_MAP_FMD>-NAME = 1.
<EHPRCS_UI_IMP_MAP_FMD>-NAME_AUTH = 1.
<EHPRCS_UI_IMP_MAP_FMD>-MPN = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EHPRCS_UI_IMP_MAP_FMD-MASS, sy-vline,
  WA_EHPRCS_UI_IMP_MAP_FMD-MASS_UNIT, sy-vline,
  WA_EHPRCS_UI_IMP_MAP_FMD-QUANTITY, sy-vline,
  WA_EHPRCS_UI_IMP_MAP_FMD-PROPORTION, sy-vline,
  WA_EHPRCS_UI_IMP_MAP_FMD-PROPORTION_UNIT, sy-vline,
  WA_EHPRCS_UI_IMP_MAP_FMD-IDENTITY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EHPRCS_UI_IMP_MAP_FMD 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_EHPRCS_UI_IMP_MAP_FMD 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_EHPRCS_UI_IMP_MAP_FMD INTO WA_EHPRCS_UI_IMP_MAP_FMD.


*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 MASS_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_EHPRCS_UI_IMP_MAP_FMD-MASS_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHPRCS_UI_IMP_MAP_FMD-MASS_UNIT.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit EHLIS, internal->external for field LISU_ID_INT
CALL FUNCTION 'CONVERSION_EXIT_EHLIS_OUTPUT'
  EXPORTING
    input =                      WA_EHPRCS_UI_IMP_MAP_FMD-LISU_ID_INT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHPRCS_UI_IMP_MAP_FMD-LISU_ID_INT.
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_EHPRCS_UI_IMP_MAP_FMD_STR, 
NODE TYPE STRING,
PARENT_NODE TYPE STRING,
NAME TYPE STRING,
NAME_AUTH TYPE STRING,
MPN TYPE STRING,
MASS TYPE STRING,
MASS_UNIT TYPE STRING,
QUANTITY TYPE STRING,
PROPORTION TYPE STRING,
PROPORTION_UNIT TYPE STRING,
IDENTITY TYPE STRING,
IDENTITY_AUTH TYPE STRING,
IDENTIFIERS TYPE STRING,
CATEGORY_NAME TYPE STRING,
EXEMPTIONS TYPE STRING,
IS_LEAF_IND TYPE STRING,
LISU_ID_INT TYPE STRING,
CONFIDENTIAL_IND TYPE STRING,
NORM_PROP TYPE STRING,
MATCAT TYPE STRING,
EXPANDED TYPE STRING,
ICON TYPE STRING,
CHILD_LOAD TYPE STRING,
MASS_UOM TYPE STRING,
CAS_NUM TYPE STRING,
PROP_UOM TYPE STRING,
NORM_PROP_UOM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EHPRCS_UI_IMP_MAP_FMD_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_EHPRCS_UI_IMP_MAP_FMD_STR-NODE sy-vline 
WA_EHPRCS_UI_IMP_MAP_FMD_STR-PARENT_NODE sy-vline 
WA_EHPRCS_UI_IMP_MAP_FMD_STR-NAME sy-vline 
WA_EHPRCS_UI_IMP_MAP_FMD_STR-NAME_AUTH sy-vline 
WA_EHPRCS_UI_IMP_MAP_FMD_STR-MPN sy-vline 
WA_EHPRCS_UI_IMP_MAP_FMD_STR-MASS sy-vline 
WA_EHPRCS_UI_IMP_MAP_FMD_STR-MASS_UNIT sy-vline 
WA_EHPRCS_UI_IMP_MAP_FMD_STR-QUANTITY sy-vline 
WA_EHPRCS_UI_IMP_MAP_FMD_STR-PROPORTION sy-vline 
WA_EHPRCS_UI_IMP_MAP_FMD_STR-PROPORTION_UNIT sy-vline 
WA_EHPRCS_UI_IMP_MAP_FMD_STR-IDENTITY sy-vline 
WA_EHPRCS_UI_IMP_MAP_FMD_STR-IDENTITY_AUTH sy-vline 
WA_EHPRCS_UI_IMP_MAP_FMD_STR-IDENTIFIERS sy-vline 
WA_EHPRCS_UI_IMP_MAP_FMD_STR-CATEGORY_NAME sy-vline 
WA_EHPRCS_UI_IMP_MAP_FMD_STR-EXEMPTIONS sy-vline 
WA_EHPRCS_UI_IMP_MAP_FMD_STR-IS_LEAF_IND sy-vline 
WA_EHPRCS_UI_IMP_MAP_FMD_STR-LISU_ID_INT sy-vline 
WA_EHPRCS_UI_IMP_MAP_FMD_STR-CONFIDENTIAL_IND sy-vline 
WA_EHPRCS_UI_IMP_MAP_FMD_STR-NORM_PROP sy-vline 
WA_EHPRCS_UI_IMP_MAP_FMD_STR-MATCAT sy-vline 
WA_EHPRCS_UI_IMP_MAP_FMD_STR-EXPANDED sy-vline 
WA_EHPRCS_UI_IMP_MAP_FMD_STR-ICON sy-vline 
WA_EHPRCS_UI_IMP_MAP_FMD_STR-CHILD_LOAD sy-vline 
WA_EHPRCS_UI_IMP_MAP_FMD_STR-MASS_UOM sy-vline 
WA_EHPRCS_UI_IMP_MAP_FMD_STR-CAS_NUM sy-vline 
WA_EHPRCS_UI_IMP_MAP_FMD_STR-PROP_UOM sy-vline 
WA_EHPRCS_UI_IMP_MAP_FMD_STR-NORM_PROP_UOM sy-vline      INTO ld_text SEPARATED BY SPACE.

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