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

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/TSARI
*  INTO TABLE @DATA(IT_/SAPAPO/TSARI2).
*--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/TSARI INDEX 1 INTO DATA(WA_/SAPAPO/TSARI2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/TSARI>-MANDT = 1.
</SAPAPO/TSARI>-REL_ID = 1.
</SAPAPO/TSARI>-ETENR = 1.
</SAPAPO/TSARI>-ETART = 1.
</SAPAPO/TSARI>-SENDATE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/TSARI-DELDATE, sy-vline,
  WA_/SAPAPO/TSARI-MENGE, sy-vline,
  WA_/SAPAPO/TSARI-ATPMNG, sy-vline,
  WA_/SAPAPO/TSARI-WEMNG, sy-vline,
  WA_/SAPAPO/TSARI-AVAILDATE, sy-vline,
  WA_/SAPAPO/TSARI-REQDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/TSARI 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/TSARI 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/TSARI INTO WA_/SAPAPO/TSARI.


*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 SENDATE
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/TSARI-SENDATE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/TSARI-SENDATE.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit TSTPS, internal->external for field REQDATE
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/TSARI-REQDATE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/TSARI-REQDATE.
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/TSARI_STR, 
MANDT TYPE STRING,
REL_ID TYPE STRING,
ETENR TYPE STRING,
ETART TYPE STRING,
SENDATE TYPE STRING,
DELDATE TYPE STRING,
MENGE TYPE STRING,
ATPMNG TYPE STRING,
WEMNG TYPE STRING,
AVAILDATE TYPE STRING,
REQDATE TYPE STRING,
SUPPLIER_INFO TYPE STRING,
TTYPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/TSARI_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/TSARI_STR-MANDT sy-vline 
WA_/SAPAPO/TSARI_STR-REL_ID sy-vline 
WA_/SAPAPO/TSARI_STR-ETENR sy-vline 
WA_/SAPAPO/TSARI_STR-ETART sy-vline 
WA_/SAPAPO/TSARI_STR-SENDATE sy-vline 
WA_/SAPAPO/TSARI_STR-DELDATE sy-vline 
WA_/SAPAPO/TSARI_STR-MENGE sy-vline 
WA_/SAPAPO/TSARI_STR-ATPMNG sy-vline 
WA_/SAPAPO/TSARI_STR-WEMNG sy-vline 
WA_/SAPAPO/TSARI_STR-AVAILDATE sy-vline 
WA_/SAPAPO/TSARI_STR-REQDATE sy-vline 
WA_/SAPAPO/TSARI_STR-SUPPLIER_INFO sy-vline 
WA_/SAPAPO/TSARI_STR-TTYPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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