ABAP Select data from SAP table IEPSRPROJDATA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IEPSRPROJDATA
*  INTO TABLE @DATA(IT_IEPSRPROJDATA2).
*--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_IEPSRPROJDATA INDEX 1 INTO DATA(WA_IEPSRPROJDATA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IEPSRPROJDATA>-MANDT = 1.
<IEPSRPROJDATA>-PROJECTUUID = 1.
<IEPSRPROJDATA>-SIMILARPROJECTUUID = 1.
<IEPSRPROJDATA>-PROJECTINTERNALID = 1.
<IEPSRPROJDATA>-SIMILARPROJECTINTERNALID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IEPSRPROJDATA-PROJECT, sy-vline,
  WA_IEPSRPROJDATA-SIMILARPROJECT, sy-vline,
  WA_IEPSRPROJDATA-PROJPREDICTEDSIMILARITYVALUE, sy-vline,
  WA_IEPSRPROJDATA-PROJECTPREDICTEDFACTOR, sy-vline,
  WA_IEPSRPROJDATA-PLANNEDSTARTDATE, sy-vline,
  WA_IEPSRPROJDATA-PLANNEDENDDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IEPSRPROJDATA 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_IEPSRPROJDATA 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_IEPSRPROJDATA INTO WA_IEPSRPROJDATA.


*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 KONPD, internal->external for field PROJECTINTERNALID
CALL FUNCTION 'CONVERSION_EXIT_KONPD_OUTPUT'
  EXPORTING
    input =                      WA_IEPSRPROJDATA-PROJECTINTERNALID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IEPSRPROJDATA-PROJECTINTERNALID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit KONPD, internal->external for field SIMILARPROJECTINTERNALID
CALL FUNCTION 'CONVERSION_EXIT_KONPD_OUTPUT'
  EXPORTING
    input =                      WA_IEPSRPROJDATA-SIMILARPROJECTINTERNALID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IEPSRPROJDATA-SIMILARPROJECTINTERNALID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSN, internal->external for field PROJECT
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_IEPSRPROJDATA-PROJECT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IEPSRPROJDATA-PROJECT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSN, internal->external for field SIMILARPROJECT
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_IEPSRPROJDATA-SIMILARPROJECT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IEPSRPROJDATA-SIMILARPROJECT.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field PROFITCENTER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IEPSRPROJDATA-PROFITCENTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IEPSRPROJDATA-PROFITCENTER.
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_IEPSRPROJDATA_STR, 
MANDT TYPE STRING,
PROJECTUUID TYPE STRING,
SIMILARPROJECTUUID TYPE STRING,
PROJECTINTERNALID TYPE STRING,
SIMILARPROJECTINTERNALID TYPE STRING,
PROJECT TYPE STRING,
SIMILARPROJECT TYPE STRING,
PROJPREDICTEDSIMILARITYVALUE TYPE STRING,
PROJECTPREDICTEDFACTOR TYPE STRING,
PLANNEDSTARTDATE TYPE STRING,
PLANNEDENDDATE TYPE STRING,
SIMILARPROJECTDESCRIPTION TYPE STRING,
ACTUALAMOUNTINGLOBALCURRENCY TYPE STRING,
PLANAMOUNTINGLOBALCURRENCY TYPE STRING,
GLOBALCURRENCY TYPE STRING,
RESPONSIBLECOSTCENTER TYPE STRING,
COMPANYCODE TYPE STRING,
CONTROLLINGAREA TYPE STRING,
PROFITCENTER TYPE STRING,
FUNCTIONALAREA TYPE STRING,
PLANNEDDURATION TYPE STRING,
TEAMMEMBERCOUNT TYPE STRING,
OBJECTINDICATOR TYPE STRING,
BUSINESSPARTNERUUID TYPE STRING,
BUSINESSPARTNERFULLNAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IEPSRPROJDATA_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_IEPSRPROJDATA_STR-MANDT sy-vline 
WA_IEPSRPROJDATA_STR-PROJECTUUID sy-vline 
WA_IEPSRPROJDATA_STR-SIMILARPROJECTUUID sy-vline 
WA_IEPSRPROJDATA_STR-PROJECTINTERNALID sy-vline 
WA_IEPSRPROJDATA_STR-SIMILARPROJECTINTERNALID sy-vline 
WA_IEPSRPROJDATA_STR-PROJECT sy-vline 
WA_IEPSRPROJDATA_STR-SIMILARPROJECT sy-vline 
WA_IEPSRPROJDATA_STR-PROJPREDICTEDSIMILARITYVALUE sy-vline 
WA_IEPSRPROJDATA_STR-PROJECTPREDICTEDFACTOR sy-vline 
WA_IEPSRPROJDATA_STR-PLANNEDSTARTDATE sy-vline 
WA_IEPSRPROJDATA_STR-PLANNEDENDDATE sy-vline 
WA_IEPSRPROJDATA_STR-SIMILARPROJECTDESCRIPTION sy-vline 
WA_IEPSRPROJDATA_STR-ACTUALAMOUNTINGLOBALCURRENCY sy-vline 
WA_IEPSRPROJDATA_STR-PLANAMOUNTINGLOBALCURRENCY sy-vline 
WA_IEPSRPROJDATA_STR-GLOBALCURRENCY sy-vline 
WA_IEPSRPROJDATA_STR-RESPONSIBLECOSTCENTER sy-vline 
WA_IEPSRPROJDATA_STR-COMPANYCODE sy-vline 
WA_IEPSRPROJDATA_STR-CONTROLLINGAREA sy-vline 
WA_IEPSRPROJDATA_STR-PROFITCENTER sy-vline 
WA_IEPSRPROJDATA_STR-FUNCTIONALAREA sy-vline 
WA_IEPSRPROJDATA_STR-PLANNEDDURATION sy-vline 
WA_IEPSRPROJDATA_STR-TEAMMEMBERCOUNT sy-vline 
WA_IEPSRPROJDATA_STR-OBJECTINDICATOR sy-vline 
WA_IEPSRPROJDATA_STR-BUSINESSPARTNERUUID sy-vline 
WA_IEPSRPROJDATA_STR-BUSINESSPARTNERFULLNAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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