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

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/TOTDELTA
*  INTO TABLE @DATA(IT_/SAPAPO/TOTDELTA2).
*--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/TOTDELTA INDEX 1 INTO DATA(WA_/SAPAPO/TOTDELTA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/TOTDELTA>-DELTAANCGUID = 1.
</SAPAPO/TOTDELTA>-TRGUID = 1.
</SAPAPO/TOTDELTA>-UNAME = 1.
</SAPAPO/TOTDELTA>-CRTTMS = 1.
</SAPAPO/TOTDELTA>-TYP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/TOTDELTA-SUBLOC, sy-vline,
  WA_/SAPAPO/TOTDELTA-VERSION, sy-vline,
  WA_/SAPAPO/TOTDELTA-CAT, sy-vline,
  WA_/SAPAPO/TOTDELTA-DURATION, sy-vline,
  WA_/SAPAPO/TOTDELTA-ORDID, sy-vline,
  WA_/SAPAPO/TOTDELTA-DELPS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/TOTDELTA 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/TOTDELTA 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/TOTDELTA INTO WA_/SAPAPO/TOTDELTA.


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

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

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

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

*Conversion exit TSTPS, internal->external for field EXTRA_TIME
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/TOTDELTA-EXTRA_TIME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/TOTDELTA-EXTRA_TIME.
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/TOTDELTA_STR, 
DELTAANCGUID TYPE STRING,
TRGUID TYPE STRING,
UNAME TYPE STRING,
CRTTMS TYPE STRING,
TYP TYPE STRING,
SUBLOC TYPE STRING,
VERSION TYPE STRING,
CAT TYPE STRING,
DURATION TYPE STRING,
ORDID TYPE STRING,
DELPS TYPE STRING,
DELET TYPE STRING,
POSGUID TYPE STRING,
ATPTMS TYPE STRING,
REQQTY TYPE STRING,
CNFQTY TYPE STRING,
MEINS TYPE STRING,
PERSIND TYPE STRING,
CHARKEY TYPE STRING,
SETTYPE TYPE STRING,
VALTMS TYPE STRING,
EXTRA_TIME TYPE STRING,
EXTRA_INT1 TYPE STRING,
EXTRA_INT2 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/TOTDELTA_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/TOTDELTA_STR-DELTAANCGUID sy-vline 
WA_/SAPAPO/TOTDELTA_STR-TRGUID sy-vline 
WA_/SAPAPO/TOTDELTA_STR-UNAME sy-vline 
WA_/SAPAPO/TOTDELTA_STR-CRTTMS sy-vline 
WA_/SAPAPO/TOTDELTA_STR-TYP sy-vline 
WA_/SAPAPO/TOTDELTA_STR-SUBLOC sy-vline 
WA_/SAPAPO/TOTDELTA_STR-VERSION sy-vline 
WA_/SAPAPO/TOTDELTA_STR-CAT sy-vline 
WA_/SAPAPO/TOTDELTA_STR-DURATION sy-vline 
WA_/SAPAPO/TOTDELTA_STR-ORDID sy-vline 
WA_/SAPAPO/TOTDELTA_STR-DELPS sy-vline 
WA_/SAPAPO/TOTDELTA_STR-DELET sy-vline 
WA_/SAPAPO/TOTDELTA_STR-POSGUID sy-vline 
WA_/SAPAPO/TOTDELTA_STR-ATPTMS sy-vline 
WA_/SAPAPO/TOTDELTA_STR-REQQTY sy-vline 
WA_/SAPAPO/TOTDELTA_STR-CNFQTY sy-vline 
WA_/SAPAPO/TOTDELTA_STR-MEINS sy-vline 
WA_/SAPAPO/TOTDELTA_STR-PERSIND sy-vline 
WA_/SAPAPO/TOTDELTA_STR-CHARKEY sy-vline 
WA_/SAPAPO/TOTDELTA_STR-SETTYPE sy-vline 
WA_/SAPAPO/TOTDELTA_STR-VALTMS sy-vline 
WA_/SAPAPO/TOTDELTA_STR-EXTRA_TIME sy-vline 
WA_/SAPAPO/TOTDELTA_STR-EXTRA_INT1 sy-vline 
WA_/SAPAPO/TOTDELTA_STR-EXTRA_INT2 sy-vline      INTO ld_text SEPARATED BY SPACE.

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