ABAP Select data from SAP table EHPRCS_COD_ROOT_DT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP EHPRCS_COD_ROOT_DT 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_COD_ROOT_DT. 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_COD_ROOT_DT 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_COD_ROOT_DT TYPE STANDARD TABLE OF EHPRCS_COD_ROOT_DT,
      WA_EHPRCS_COD_ROOT_DT TYPE EHPRCS_COD_ROOT_DT,
      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_COD_ROOT_DT> TYPE EHPRCS_COD_ROOT_DT.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EHPRCS_COD_ROOT_DT
*  INTO TABLE @DATA(IT_EHPRCS_COD_ROOT_DT2).
*--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_COD_ROOT_DT INDEX 1 INTO DATA(WA_EHPRCS_COD_ROOT_DT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EHPRCS_COD_ROOT_DT>-CATEGORY_DESC = 1.
<EHPRCS_COD_ROOT_DT>-REACH_AREA_IND = 1.
<EHPRCS_COD_ROOT_DT>-SUPPLIER_NAME = 1.
<EHPRCS_COD_ROOT_DT>-MAT_ID = 1.
<EHPRCS_COD_ROOT_DT>-IMDS_MODULE_ID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EHPRCS_COD_ROOT_DT-IMDS_MODULE_VERSION, sy-vline,
  WA_EHPRCS_COD_ROOT_DT-NAME, sy-vline,
  WA_EHPRCS_COD_ROOT_DT-NAME_KEY, sy-vline,
  WA_EHPRCS_COD_ROOT_DT-RELEASE_RELEVANT_IND, sy-vline,
  WA_EHPRCS_COD_ROOT_DT-OBJIDENTID, sy-vline,
  WA_EHPRCS_COD_ROOT_DT-OBJIDENTTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EHPRCS_COD_ROOT_DT 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_COD_ROOT_DT 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_COD_ROOT_DT INTO WA_EHPRCS_COD_ROOT_DT.


*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 MATN1, internal->external for field MAT_ID
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_EHPRCS_COD_ROOT_DT-MAT_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHPRCS_COD_ROOT_DT-MAT_ID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EHFL8, internal->external for field MASS_DEVIATION
CALL FUNCTION 'CONVERSION_EXIT_EHFL8_OUTPUT'
  EXPORTING
    input =                      WA_EHPRCS_COD_ROOT_DT-MASS_DEVIATION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHPRCS_COD_ROOT_DT-MASS_DEVIATION.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit EHFL8, internal->external for field WEIGHT_TOLERANCE
CALL FUNCTION 'CONVERSION_EXIT_EHFL8_OUTPUT'
  EXPORTING
    input =                      WA_EHPRCS_COD_ROOT_DT-WEIGHT_TOLERANCE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHPRCS_COD_ROOT_DT-WEIGHT_TOLERANCE.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit DFVAL, internal->external for field RELEASED
CALL FUNCTION 'CONVERSION_EXIT_DFVAL_OUTPUT'
  EXPORTING
    input =                      WA_EHPRCS_COD_ROOT_DT-RELEASED
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHPRCS_COD_ROOT_DT-RELEASED.
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_COD_ROOT_DT_STR, 
CATEGORY_DESC TYPE STRING,
REACH_AREA_IND TYPE STRING,
SUPPLIER_NAME TYPE STRING,
MAT_ID TYPE STRING,
IMDS_MODULE_ID TYPE STRING,
IMDS_MODULE_VERSION TYPE STRING,
NAME TYPE STRING,
NAME_KEY TYPE STRING,
RELEASE_RELEVANT_IND TYPE STRING,
OBJIDENTID TYPE STRING,
OBJIDENTTYPE TYPE STRING,
OBJIDENTTYPEDESC TYPE STRING,
OBJIDENTDESC TYPE STRING,
OBJIDENTIDEXT TYPE STRING,
MASS_DEVIATION TYPE STRING,
MASS_DEVIATION_UOM TYPE STRING,
CREATED_DESC TYPE STRING,
DMS_LINK TYPE STRING,
MAT_NUM TYPE STRING,
USE_RELEASE TYPE STRING,
EXTERNAL_IND_DESC TYPE STRING,
PURCHASED_IND_DESC TYPE STRING,
DESIGNED_IND_DESC TYPE STRING,
SUPP_PART_IND_DESC TYPE STRING,
ASSEMBLY_IND_DESC TYPE STRING,
RELEASE_RELEVANT_IND_DESC TYPE STRING,
MASS_CALC_STR TYPE STRING,
MASS_CALC_WITHOUT_PKG_STR TYPE STRING,
WEIGHT_TOLERANCE TYPE STRING,
WEIGHT_TOLERANCE_UNIT TYPE STRING,
EEW_COD_ROOT_DT TYPE STRING,
MATERIAL_NAME TYPE STRING,
MATERIAL_NUMBER TYPE STRING,
RELEASED TYPE STRING,
MAT_CLASSIFICATION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EHPRCS_COD_ROOT_DT_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_COD_ROOT_DT_STR-CATEGORY_DESC sy-vline 
WA_EHPRCS_COD_ROOT_DT_STR-REACH_AREA_IND sy-vline 
WA_EHPRCS_COD_ROOT_DT_STR-SUPPLIER_NAME sy-vline 
WA_EHPRCS_COD_ROOT_DT_STR-MAT_ID sy-vline 
WA_EHPRCS_COD_ROOT_DT_STR-IMDS_MODULE_ID sy-vline 
WA_EHPRCS_COD_ROOT_DT_STR-IMDS_MODULE_VERSION sy-vline 
WA_EHPRCS_COD_ROOT_DT_STR-NAME sy-vline 
WA_EHPRCS_COD_ROOT_DT_STR-NAME_KEY sy-vline 
WA_EHPRCS_COD_ROOT_DT_STR-RELEASE_RELEVANT_IND sy-vline 
WA_EHPRCS_COD_ROOT_DT_STR-OBJIDENTID sy-vline 
WA_EHPRCS_COD_ROOT_DT_STR-OBJIDENTTYPE sy-vline 
WA_EHPRCS_COD_ROOT_DT_STR-OBJIDENTTYPEDESC sy-vline 
WA_EHPRCS_COD_ROOT_DT_STR-OBJIDENTDESC sy-vline 
WA_EHPRCS_COD_ROOT_DT_STR-OBJIDENTIDEXT sy-vline 
WA_EHPRCS_COD_ROOT_DT_STR-MASS_DEVIATION sy-vline 
WA_EHPRCS_COD_ROOT_DT_STR-MASS_DEVIATION_UOM sy-vline 
WA_EHPRCS_COD_ROOT_DT_STR-CREATED_DESC sy-vline 
WA_EHPRCS_COD_ROOT_DT_STR-DMS_LINK sy-vline 
WA_EHPRCS_COD_ROOT_DT_STR-MAT_NUM sy-vline 
WA_EHPRCS_COD_ROOT_DT_STR-USE_RELEASE sy-vline 
WA_EHPRCS_COD_ROOT_DT_STR-EXTERNAL_IND_DESC sy-vline 
WA_EHPRCS_COD_ROOT_DT_STR-PURCHASED_IND_DESC sy-vline 
WA_EHPRCS_COD_ROOT_DT_STR-DESIGNED_IND_DESC sy-vline 
WA_EHPRCS_COD_ROOT_DT_STR-SUPP_PART_IND_DESC sy-vline 
WA_EHPRCS_COD_ROOT_DT_STR-ASSEMBLY_IND_DESC sy-vline 
WA_EHPRCS_COD_ROOT_DT_STR-RELEASE_RELEVANT_IND_DESC sy-vline 
WA_EHPRCS_COD_ROOT_DT_STR-MASS_CALC_STR sy-vline 
WA_EHPRCS_COD_ROOT_DT_STR-MASS_CALC_WITHOUT_PKG_STR sy-vline 
WA_EHPRCS_COD_ROOT_DT_STR-WEIGHT_TOLERANCE sy-vline 
WA_EHPRCS_COD_ROOT_DT_STR-WEIGHT_TOLERANCE_UNIT sy-vline 
WA_EHPRCS_COD_ROOT_DT_STR-EEW_COD_ROOT_DT sy-vline 
WA_EHPRCS_COD_ROOT_DT_STR-MATERIAL_NAME sy-vline 
WA_EHPRCS_COD_ROOT_DT_STR-MATERIAL_NUMBER sy-vline 
WA_EHPRCS_COD_ROOT_DT_STR-RELEASED sy-vline 
WA_EHPRCS_COD_ROOT_DT_STR-MAT_CLASSIFICATION sy-vline      INTO ld_text SEPARATED BY SPACE.

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