ABAP Select data from SAP table /SAPAPO/RRP_HEU_EVALUATION_STR into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SAPAPO/RRP_HEU_EVALUATION_STR 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 /SAPAPO/RRP_HEU_EVALUATION_STR. 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 /SAPAPO/RRP_HEU_EVALUATION_STR 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_/SAPAPO/RRP_HEU_EVALUATION_STR TYPE STANDARD TABLE OF /SAPAPO/RRP_HEU_EVALUATION_STR,
      WA_/SAPAPO/RRP_HEU_EVALUATION_STR TYPE /SAPAPO/RRP_HEU_EVALUATION_STR,
      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: </SAPAPO/RRP_HEU_EVALUATION_STR> TYPE /SAPAPO/RRP_HEU_EVALUATION_STR.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SAPAPO/RRP_HEU_EVALUATION_STR
  INTO TABLE IT_/SAPAPO/RRP_HEU_EVALUATION_STR.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/RRP_HEU_EVALUATION_STR
*  INTO TABLE @DATA(IT_/SAPAPO/RRP_HEU_EVALUATION_STR2).
*--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_/SAPAPO/RRP_HEU_EVALUATION_STR INDEX 1 INTO DATA(WA_/SAPAPO/RRP_HEU_EVALUATION_STR2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SAPAPO/RRP_HEU_EVALUATION_STR ASSIGNING </SAPAPO/RRP_HEU_EVALUATION_STR>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/RRP_HEU_EVALUATION_STR>-HEUR_ID = 1.
</SAPAPO/RRP_HEU_EVALUATION_STR>-STARTDATE = 1.
</SAPAPO/RRP_HEU_EVALUATION_STR>-STARTTIME = 1.
</SAPAPO/RRP_HEU_EVALUATION_STR>-ENDDATE = 1.
</SAPAPO/RRP_HEU_EVALUATION_STR>-ENDTIME = 1.

ENDLOOP.

LOOP AT IT_/SAPAPO/RRP_HEU_EVALUATION_STR INTO WA_/SAPAPO/RRP_HEU_EVALUATION_STR.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/RRP_HEU_EVALUATION_STR-PEGID, sy-vline,
  WA_/SAPAPO/RRP_HEU_EVALUATION_STR-MATNR, sy-vline,
  WA_/SAPAPO/RRP_HEU_EVALUATION_STR-LOCNO, sy-vline,
  WA_/SAPAPO/RRP_HEU_EVALUATION_STR-SEQUENCE_NO, sy-vline,
  WA_/SAPAPO/RRP_HEU_EVALUATION_STR-AMOUNT, sy-vline,
  WA_/SAPAPO/RRP_HEU_EVALUATION_STR-REQ_ORDERID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/RRP_HEU_EVALUATION_STR 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_/SAPAPO/RRP_HEU_EVALUATION_STR 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_/SAPAPO/RRP_HEU_EVALUATION_STR INTO WA_/SAPAPO/RRP_HEU_EVALUATION_STR.


*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 MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/RRP_HEU_EVALUATION_STR-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/RRP_HEU_EVALUATION_STR-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field REQ_IO_TIME
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/RRP_HEU_EVALUATION_STR-REQ_IO_TIME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/RRP_HEU_EVALUATION_STR-REQ_IO_TIME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field REAL_IO_TIME
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/RRP_HEU_EVALUATION_STR-REAL_IO_TIME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/RRP_HEU_EVALUATION_STR-REAL_IO_TIME.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit MATN1, internal->external for field NETCH_MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/RRP_HEU_EVALUATION_STR-NETCH_MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/RRP_HEU_EVALUATION_STR-NETCH_MATNR.
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_/SAPAPO/RRP_HEU_EVALUATION_STR_STR, 
HEUR_ID TYPE STRING,
STARTDATE TYPE STRING,
STARTTIME TYPE STRING,
ENDDATE TYPE STRING,
ENDTIME TYPE STRING,
PEGID TYPE STRING,
MATNR TYPE STRING,
LOCNO TYPE STRING,
SEQUENCE_NO TYPE STRING,
AMOUNT TYPE STRING,
REQ_ORDERID TYPE STRING,
REQ_POSITION_NO TYPE STRING,
REQ_LINE_NO TYPE STRING,
REQ_ORDNO TYPE STRING,
SUPPLY_ORDERID TYPE STRING,
SUPPLY_POSITION_NO TYPE STRING,
SUPPLY_LINE_NO TYPE STRING,
SUPPLY_ORDNO TYPE STRING,
CATEGORY TYPE STRING,
REQ_IO_TIME_CONV TYPE STRING,
REQ_IO_TIME TYPE STRING,
REAL_IO_TIME_CONV TYPE STRING,
REAL_IO_TIME TYPE STRING,
REAL_QUANTITY TYPE STRING,
ALLOC_QUANTITY TYPE STRING,
MEINS TYPE STRING,
REQ_FLAG TYPE STRING,
ALLOCATION_FLAG TYPE STRING,
FIX_SUPPLY_FLAG TYPE STRING,
OLD_SUPPLY_FLAG TYPE STRING,
CHANGED_PEGIDS_FLAG TYPE STRING,
SUPPLY_FIXED TYPE STRING,
SUPPLY_FIXED_PEGGED TYPE STRING,
SUPPLY_REUSED TYPE STRING,
SUPPLY_INTIME TYPE STRING,
SUPPLY_LATE TYPE STRING,
SUPPLY_REEXPLODED TYPE STRING,
MISSING_SUPPLY TYPE STRING,
OUT_SUPPLY TYPE STRING,
NETCH_MATNR TYPE STRING,
NETCH_LOCNO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/RRP_HEU_EVALUATION_STR_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_/SAPAPO/RRP_HEU_EVALUATION_STR_STR-HEUR_ID sy-vline 
WA_/SAPAPO/RRP_HEU_EVALUATION_STR_STR-STARTDATE sy-vline 
WA_/SAPAPO/RRP_HEU_EVALUATION_STR_STR-STARTTIME sy-vline 
WA_/SAPAPO/RRP_HEU_EVALUATION_STR_STR-ENDDATE sy-vline 
WA_/SAPAPO/RRP_HEU_EVALUATION_STR_STR-ENDTIME sy-vline 
WA_/SAPAPO/RRP_HEU_EVALUATION_STR_STR-PEGID sy-vline 
WA_/SAPAPO/RRP_HEU_EVALUATION_STR_STR-MATNR sy-vline 
WA_/SAPAPO/RRP_HEU_EVALUATION_STR_STR-LOCNO sy-vline 
WA_/SAPAPO/RRP_HEU_EVALUATION_STR_STR-SEQUENCE_NO sy-vline 
WA_/SAPAPO/RRP_HEU_EVALUATION_STR_STR-AMOUNT sy-vline 
WA_/SAPAPO/RRP_HEU_EVALUATION_STR_STR-REQ_ORDERID sy-vline 
WA_/SAPAPO/RRP_HEU_EVALUATION_STR_STR-REQ_POSITION_NO sy-vline 
WA_/SAPAPO/RRP_HEU_EVALUATION_STR_STR-REQ_LINE_NO sy-vline 
WA_/SAPAPO/RRP_HEU_EVALUATION_STR_STR-REQ_ORDNO sy-vline 
WA_/SAPAPO/RRP_HEU_EVALUATION_STR_STR-SUPPLY_ORDERID sy-vline 
WA_/SAPAPO/RRP_HEU_EVALUATION_STR_STR-SUPPLY_POSITION_NO sy-vline 
WA_/SAPAPO/RRP_HEU_EVALUATION_STR_STR-SUPPLY_LINE_NO sy-vline 
WA_/SAPAPO/RRP_HEU_EVALUATION_STR_STR-SUPPLY_ORDNO sy-vline 
WA_/SAPAPO/RRP_HEU_EVALUATION_STR_STR-CATEGORY sy-vline 
WA_/SAPAPO/RRP_HEU_EVALUATION_STR_STR-REQ_IO_TIME_CONV sy-vline 
WA_/SAPAPO/RRP_HEU_EVALUATION_STR_STR-REQ_IO_TIME sy-vline 
WA_/SAPAPO/RRP_HEU_EVALUATION_STR_STR-REAL_IO_TIME_CONV sy-vline 
WA_/SAPAPO/RRP_HEU_EVALUATION_STR_STR-REAL_IO_TIME sy-vline 
WA_/SAPAPO/RRP_HEU_EVALUATION_STR_STR-REAL_QUANTITY sy-vline 
WA_/SAPAPO/RRP_HEU_EVALUATION_STR_STR-ALLOC_QUANTITY sy-vline 
WA_/SAPAPO/RRP_HEU_EVALUATION_STR_STR-MEINS sy-vline 
WA_/SAPAPO/RRP_HEU_EVALUATION_STR_STR-REQ_FLAG sy-vline 
WA_/SAPAPO/RRP_HEU_EVALUATION_STR_STR-ALLOCATION_FLAG sy-vline 
WA_/SAPAPO/RRP_HEU_EVALUATION_STR_STR-FIX_SUPPLY_FLAG sy-vline 
WA_/SAPAPO/RRP_HEU_EVALUATION_STR_STR-OLD_SUPPLY_FLAG sy-vline 
WA_/SAPAPO/RRP_HEU_EVALUATION_STR_STR-CHANGED_PEGIDS_FLAG sy-vline 
WA_/SAPAPO/RRP_HEU_EVALUATION_STR_STR-SUPPLY_FIXED sy-vline 
WA_/SAPAPO/RRP_HEU_EVALUATION_STR_STR-SUPPLY_FIXED_PEGGED sy-vline 
WA_/SAPAPO/RRP_HEU_EVALUATION_STR_STR-SUPPLY_REUSED sy-vline 
WA_/SAPAPO/RRP_HEU_EVALUATION_STR_STR-SUPPLY_INTIME sy-vline 
WA_/SAPAPO/RRP_HEU_EVALUATION_STR_STR-SUPPLY_LATE sy-vline 
WA_/SAPAPO/RRP_HEU_EVALUATION_STR_STR-SUPPLY_REEXPLODED sy-vline 
WA_/SAPAPO/RRP_HEU_EVALUATION_STR_STR-MISSING_SUPPLY sy-vline 
WA_/SAPAPO/RRP_HEU_EVALUATION_STR_STR-OUT_SUPPLY sy-vline 
WA_/SAPAPO/RRP_HEU_EVALUATION_STR_STR-NETCH_MATNR sy-vline 
WA_/SAPAPO/RRP_HEU_EVALUATION_STR_STR-NETCH_LOCNO sy-vline      INTO ld_text SEPARATED BY SPACE.

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