ABAP Select data from SAP table EHPRCS_REG_SIEF_PROJECT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP EHPRCS_REG_SIEF_PROJECT 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_REG_SIEF_PROJECT. 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_REG_SIEF_PROJECT 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_REG_SIEF_PROJECT TYPE STANDARD TABLE OF EHPRCS_REG_SIEF_PROJECT,
      WA_EHPRCS_REG_SIEF_PROJECT TYPE EHPRCS_REG_SIEF_PROJECT,
      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_REG_SIEF_PROJECT> TYPE EHPRCS_REG_SIEF_PROJECT.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EHPRCS_REG_SIEF_PROJECT
*  INTO TABLE @DATA(IT_EHPRCS_REG_SIEF_PROJECT2).
*--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_REG_SIEF_PROJECT INDEX 1 INTO DATA(WA_EHPRCS_REG_SIEF_PROJECT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EHPRCS_REG_SIEF_PROJECT>-ERRORMODE = 1.
<EHPRCS_REG_SIEF_PROJECT>-ERRORINFO = 1.
<EHPRCS_REG_SIEF_PROJECT>-ERRORCLASS = 1.
<EHPRCS_REG_SIEF_PROJECT>-ERRORPARAM = 1.
<EHPRCS_REG_SIEF_PROJECT>-LOGLOCKMOD = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EHPRCS_REG_SIEF_PROJECT-EXTINFO, sy-vline,
  WA_EHPRCS_REG_SIEF_PROJECT-LINEMOD, sy-vline,
  WA_EHPRCS_REG_SIEF_PROJECT-MANDT, sy-vline,
  WA_EHPRCS_REG_SIEF_PROJECT-RECN, sy-vline,
  WA_EHPRCS_REG_SIEF_PROJECT-ACTN, sy-vline,
  WA_EHPRCS_REG_SIEF_PROJECT-VALFR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EHPRCS_REG_SIEF_PROJECT 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_REG_SIEF_PROJECT 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_REG_SIEF_PROJECT INTO WA_EHPRCS_REG_SIEF_PROJECT.


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

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

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

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

*Conversion exit ALPHA, internal->external for field RECNROOT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EHPRCS_REG_SIEF_PROJECT-RECNROOT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHPRCS_REG_SIEF_PROJECT-RECNROOT.
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_REG_SIEF_PROJECT_STR, 
ERRORMODE TYPE STRING,
ERRORINFO TYPE STRING,
ERRORCLASS TYPE STRING,
ERRORPARAM TYPE STRING,
LOGLOCKMOD TYPE STRING,
EXTINFO TYPE STRING,
LINEMOD TYPE STRING,
MANDT TYPE STRING,
RECN TYPE STRING,
ACTN TYPE STRING,
VALFR TYPE STRING,
VALTO TYPE STRING,
AENNR TYPE STRING,
DELFLG TYPE STRING,
PARKFLG TYPE STRING,
CRDAT TYPE STRING,
CRNAM TYPE STRING,
UPDDAT TYPE STRING,
UPDNAM TYPE STRING,
SRSID TYPE STRING,
OWNID TYPE STRING,
RECNROOT TYPE STRING,
CREATED_BY TYPE STRING,
CHANGED_BY TYPE STRING,
CHANGE_NR_DESC TYPE STRING,
PROP_SIEF_PROJECTNO TYPE STRING,
PROP_SIEF_PLATFORM TYPE STRING,
PROP_SIEF_REGDEADLINE TYPE STRING,
PROP_SIEF_ROLE TYPE STRING,
PROP_SIEF_TOBAND TYPE STRING,
PROP_SIEF_STATUS TYPE STRING,
PROP_SIEF_WEBPAGE TYPE STRING,
PROP_SIEF_CODE TYPE STRING,
PROP_SIEF_SFF TYPE STRING,
PROP_SIEF_SFF_TRANS TYPE STRING,
PROP_DIALOG_URL_TRANS TYPE STRING,
PROP_PRJ_INT_DEADLINE_TRANS TYPE STRING,
EEW_EHPRC_SIEF_PROJECT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EHPRCS_REG_SIEF_PROJECT_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_REG_SIEF_PROJECT_STR-ERRORMODE sy-vline 
WA_EHPRCS_REG_SIEF_PROJECT_STR-ERRORINFO sy-vline 
WA_EHPRCS_REG_SIEF_PROJECT_STR-ERRORCLASS sy-vline 
WA_EHPRCS_REG_SIEF_PROJECT_STR-ERRORPARAM sy-vline 
WA_EHPRCS_REG_SIEF_PROJECT_STR-LOGLOCKMOD sy-vline 
WA_EHPRCS_REG_SIEF_PROJECT_STR-EXTINFO sy-vline 
WA_EHPRCS_REG_SIEF_PROJECT_STR-LINEMOD sy-vline 
WA_EHPRCS_REG_SIEF_PROJECT_STR-MANDT sy-vline 
WA_EHPRCS_REG_SIEF_PROJECT_STR-RECN sy-vline 
WA_EHPRCS_REG_SIEF_PROJECT_STR-ACTN sy-vline 
WA_EHPRCS_REG_SIEF_PROJECT_STR-VALFR sy-vline 
WA_EHPRCS_REG_SIEF_PROJECT_STR-VALTO sy-vline 
WA_EHPRCS_REG_SIEF_PROJECT_STR-AENNR sy-vline 
WA_EHPRCS_REG_SIEF_PROJECT_STR-DELFLG sy-vline 
WA_EHPRCS_REG_SIEF_PROJECT_STR-PARKFLG sy-vline 
WA_EHPRCS_REG_SIEF_PROJECT_STR-CRDAT sy-vline 
WA_EHPRCS_REG_SIEF_PROJECT_STR-CRNAM sy-vline 
WA_EHPRCS_REG_SIEF_PROJECT_STR-UPDDAT sy-vline 
WA_EHPRCS_REG_SIEF_PROJECT_STR-UPDNAM sy-vline 
WA_EHPRCS_REG_SIEF_PROJECT_STR-SRSID sy-vline 
WA_EHPRCS_REG_SIEF_PROJECT_STR-OWNID sy-vline 
WA_EHPRCS_REG_SIEF_PROJECT_STR-RECNROOT sy-vline 
WA_EHPRCS_REG_SIEF_PROJECT_STR-CREATED_BY sy-vline 
WA_EHPRCS_REG_SIEF_PROJECT_STR-CHANGED_BY sy-vline 
WA_EHPRCS_REG_SIEF_PROJECT_STR-CHANGE_NR_DESC sy-vline 
WA_EHPRCS_REG_SIEF_PROJECT_STR-PROP_SIEF_PROJECTNO sy-vline 
WA_EHPRCS_REG_SIEF_PROJECT_STR-PROP_SIEF_PLATFORM sy-vline 
WA_EHPRCS_REG_SIEF_PROJECT_STR-PROP_SIEF_REGDEADLINE sy-vline 
WA_EHPRCS_REG_SIEF_PROJECT_STR-PROP_SIEF_ROLE sy-vline 
WA_EHPRCS_REG_SIEF_PROJECT_STR-PROP_SIEF_TOBAND sy-vline 
WA_EHPRCS_REG_SIEF_PROJECT_STR-PROP_SIEF_STATUS sy-vline 
WA_EHPRCS_REG_SIEF_PROJECT_STR-PROP_SIEF_WEBPAGE sy-vline 
WA_EHPRCS_REG_SIEF_PROJECT_STR-PROP_SIEF_CODE sy-vline 
WA_EHPRCS_REG_SIEF_PROJECT_STR-PROP_SIEF_SFF sy-vline 
WA_EHPRCS_REG_SIEF_PROJECT_STR-PROP_SIEF_SFF_TRANS sy-vline 
WA_EHPRCS_REG_SIEF_PROJECT_STR-PROP_DIALOG_URL_TRANS sy-vline 
WA_EHPRCS_REG_SIEF_PROJECT_STR-PROP_PRJ_INT_DEADLINE_TRANS sy-vline 
WA_EHPRCS_REG_SIEF_PROJECT_STR-EEW_EHPRC_SIEF_PROJECT sy-vline      INTO ld_text SEPARATED BY SPACE.

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