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

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/TSPAPLOB
*  INTO TABLE @DATA(IT_/SAPAPO/TSPAPLOB2).
*--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/TSPAPLOB INDEX 1 INTO DATA(WA_/SAPAPO/TSPAPLOB2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/TSPAPLOB>-MANDT = 1.
</SAPAPO/TSPAPLOB>-PAREAID = 1.
</SAPAPO/TSPAPLOB>-PLOBID = 1.
</SAPAPO/TSPAPLOB>-KEYFIGURE = 1.
</SAPAPO/TSPAPLOB>-KEYFIGURE_IDX = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/TSPAPLOB-INFOCUBE, sy-vline,
  WA_/SAPAPO/TSPAPLOB-FLG_PERSIST, sy-vline,
  WA_/SAPAPO/TSPAPLOB-SNP_MODE, sy-vline,
  WA_/SAPAPO/TSPAPLOB-KEYF_SEM, sy-vline,
  WA_/SAPAPO/TSPAPLOB-KEYF_FUN, sy-vline,
  WA_/SAPAPO/TSPAPLOB-KEYF_AGGR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/TSPAPLOB 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/TSPAPLOB 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/TSPAPLOB INTO WA_/SAPAPO/TSPAPLOB.


*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 PARE2, internal->external for field PAREAID
CALL FUNCTION 'CONVERSION_EXIT_PARE2_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/TSPAPLOB-PAREAID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/TSPAPLOB-PAREAID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit PLOBC, internal->external for field PLOBID
CALL FUNCTION 'CONVERSION_EXIT_PLOBC_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/TSPAPLOB-PLOBID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/TSPAPLOB-PLOBID.
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/TSPAPLOB_STR, 
MANDT TYPE STRING,
PAREAID TYPE STRING,
PLOBID TYPE STRING,
KEYFIGURE TYPE STRING,
KEYFIGURE_IDX TYPE STRING,
INFOCUBE TYPE STRING,
FLG_PERSIST TYPE STRING,
SNP_MODE TYPE STRING,
KEYF_SEM TYPE STRING,
KEYF_FUN TYPE STRING,
KEYF_AGGR TYPE STRING,
FLG_INI TYPE STRING,
CATGRP TYPE STRING,
ATPCAT TYPE STRING,
ORDERTYP TYPE STRING,
FLG_UOM TYPE STRING,
UOM_PLAN TYPE STRING,
KEF_ID TYPE STRING,
NEG_NOT_ALLOWED TYPE STRING,
KEYFIGURE_TYPE TYPE STRING,
ACCURACY TYPE STRING,
FIX_ZEROS TYPE STRING,
CALC_INIT_FLAGS TYPE STRING,
REGARD_DATE_REST TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/TSPAPLOB_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/TSPAPLOB_STR-MANDT sy-vline 
WA_/SAPAPO/TSPAPLOB_STR-PAREAID sy-vline 
WA_/SAPAPO/TSPAPLOB_STR-PLOBID sy-vline 
WA_/SAPAPO/TSPAPLOB_STR-KEYFIGURE sy-vline 
WA_/SAPAPO/TSPAPLOB_STR-KEYFIGURE_IDX sy-vline 
WA_/SAPAPO/TSPAPLOB_STR-INFOCUBE sy-vline 
WA_/SAPAPO/TSPAPLOB_STR-FLG_PERSIST sy-vline 
WA_/SAPAPO/TSPAPLOB_STR-SNP_MODE sy-vline 
WA_/SAPAPO/TSPAPLOB_STR-KEYF_SEM sy-vline 
WA_/SAPAPO/TSPAPLOB_STR-KEYF_FUN sy-vline 
WA_/SAPAPO/TSPAPLOB_STR-KEYF_AGGR sy-vline 
WA_/SAPAPO/TSPAPLOB_STR-FLG_INI sy-vline 
WA_/SAPAPO/TSPAPLOB_STR-CATGRP sy-vline 
WA_/SAPAPO/TSPAPLOB_STR-ATPCAT sy-vline 
WA_/SAPAPO/TSPAPLOB_STR-ORDERTYP sy-vline 
WA_/SAPAPO/TSPAPLOB_STR-FLG_UOM sy-vline 
WA_/SAPAPO/TSPAPLOB_STR-UOM_PLAN sy-vline 
WA_/SAPAPO/TSPAPLOB_STR-KEF_ID sy-vline 
WA_/SAPAPO/TSPAPLOB_STR-NEG_NOT_ALLOWED sy-vline 
WA_/SAPAPO/TSPAPLOB_STR-KEYFIGURE_TYPE sy-vline 
WA_/SAPAPO/TSPAPLOB_STR-ACCURACY sy-vline 
WA_/SAPAPO/TSPAPLOB_STR-FIX_ZEROS sy-vline 
WA_/SAPAPO/TSPAPLOB_STR-CALC_INIT_FLAGS sy-vline 
WA_/SAPAPO/TSPAPLOB_STR-REGARD_DATE_REST sy-vline      INTO ld_text SEPARATED BY SPACE.

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