ABAP Select data from SAP table EHPRCS_ALVVALUES into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP EHPRCS_ALVVALUES 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_ALVVALUES. 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_ALVVALUES 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_ALVVALUES TYPE STANDARD TABLE OF EHPRCS_ALVVALUES,
      WA_EHPRCS_ALVVALUES TYPE EHPRCS_ALVVALUES,
      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_ALVVALUES> TYPE EHPRCS_ALVVALUES.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EHPRCS_ALVVALUES
*  INTO TABLE @DATA(IT_EHPRCS_ALVVALUES2).
*--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_ALVVALUES INDEX 1 INTO DATA(WA_EHPRCS_ALVVALUES2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EHPRCS_ALVVALUES>-RECN = 1.
<EHPRCS_ALVVALUES>-RECNVA = 1.
<EHPRCS_ALVVALUES>-ORD = 1.
<EHPRCS_ALVVALUES>-VALUE01 = 1.
<EHPRCS_ALVVALUES>-VALUE02 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EHPRCS_ALVVALUES-VALUE03, sy-vline,
  WA_EHPRCS_ALVVALUES-VALUE04, sy-vline,
  WA_EHPRCS_ALVVALUES-VALUE05, sy-vline,
  WA_EHPRCS_ALVVALUES-VALUE06, sy-vline,
  WA_EHPRCS_ALVVALUES-VALUE07, sy-vline,
  WA_EHPRCS_ALVVALUES-VALUE08, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EHPRCS_ALVVALUES 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_ALVVALUES 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_ALVVALUES INTO WA_EHPRCS_ALVVALUES.


*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_ALVVALUES-RECN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHPRCS_ALVVALUES-RECN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RECNVA
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EHPRCS_ALVVALUES-RECNVA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHPRCS_ALVVALUES-RECNVA.
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_ALVVALUES_STR, 
RECN TYPE STRING,
RECNVA TYPE STRING,
ORD TYPE STRING,
VALUE01 TYPE STRING,
VALUE02 TYPE STRING,
VALUE03 TYPE STRING,
VALUE04 TYPE STRING,
VALUE05 TYPE STRING,
VALUE06 TYPE STRING,
VALUE07 TYPE STRING,
VALUE08 TYPE STRING,
VALUE09 TYPE STRING,
VALUE10 TYPE STRING,
VALUE11 TYPE STRING,
VALUE12 TYPE STRING,
VALUE13 TYPE STRING,
VALUE14 TYPE STRING,
VALUE15 TYPE STRING,
VALUE16 TYPE STRING,
VALUE17 TYPE STRING,
VALUE18 TYPE STRING,
VALUE19 TYPE STRING,
VALUE20 TYPE STRING,
VALUE21 TYPE STRING,
VALUE22 TYPE STRING,
VALUE23 TYPE STRING,
VALUE24 TYPE STRING,
VALUE25 TYPE STRING,
VALUE26 TYPE STRING,
VALUE27 TYPE STRING,
VALUE28 TYPE STRING,
VALUE29 TYPE STRING,
VALUE30 TYPE STRING,
VALUE31 TYPE STRING,
VALUE32 TYPE STRING,
VALUE33 TYPE STRING,
VALUE34 TYPE STRING,
VALUE35 TYPE STRING,
VALUE36 TYPE STRING,
VALUE37 TYPE STRING,
VALUE38 TYPE STRING,
VALUE39 TYPE STRING,
VALUE40 TYPE STRING,
VALUE41 TYPE STRING,
VALUE42 TYPE STRING,
VALUE43 TYPE STRING,
VALUE44 TYPE STRING,
VALUE45 TYPE STRING,
VALUE46 TYPE STRING,
VALUE47 TYPE STRING,
VALUE48 TYPE STRING,
VALUE49 TYPE STRING,
VALUE50 TYPE STRING,
VALUE51 TYPE STRING,
VALUE52 TYPE STRING,
VALUE53 TYPE STRING,
VALUE54 TYPE STRING,
VALUE55 TYPE STRING,
VALUE56 TYPE STRING,
VALUE57 TYPE STRING,
VALUE58 TYPE STRING,
VALUE59 TYPE STRING,
VALUE60 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EHPRCS_ALVVALUES_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_ALVVALUES_STR-RECN sy-vline 
WA_EHPRCS_ALVVALUES_STR-RECNVA sy-vline 
WA_EHPRCS_ALVVALUES_STR-ORD sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE01 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE02 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE03 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE04 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE05 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE06 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE07 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE08 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE09 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE10 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE11 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE12 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE13 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE14 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE15 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE16 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE17 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE18 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE19 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE20 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE21 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE22 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE23 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE24 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE25 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE26 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE27 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE28 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE29 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE30 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE31 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE32 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE33 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE34 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE35 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE36 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE37 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE38 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE39 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE40 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE41 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE42 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE43 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE44 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE45 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE46 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE47 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE48 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE49 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE50 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE51 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE52 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE53 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE54 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE55 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE56 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE57 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE58 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE59 sy-vline 
WA_EHPRCS_ALVVALUES_STR-VALUE60 sy-vline      INTO ld_text SEPARATED BY SPACE.

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