ABAP Select data from SAP table /SAPAPO/S__SNP05 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SAPAPO/S__SNP05 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/S__SNP05. 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/S__SNP05 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/S__SNP05 TYPE STANDARD TABLE OF /SAPAPO/S__SNP05,
      WA_/SAPAPO/S__SNP05 TYPE /SAPAPO/S__SNP05,
      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/S__SNP05> TYPE /SAPAPO/S__SNP05.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/SAPAPO/S__SNP05.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SAPAPO/S__SNP05
  INTO TABLE IT_/SAPAPO/S__SNP05.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/S__SNP05
*  INTO TABLE @DATA(IT_/SAPAPO/S__SNP052).
*--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/S__SNP05 INDEX 1 INTO DATA(WA_/SAPAPO/S__SNP052).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SAPAPO/S__SNP05 ASSIGNING </SAPAPO/S__SNP05>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/S__SNP05>-OPTPR = 1.
</SAPAPO/S__SNP05>-OPTTX = 1.
</SAPAPO/S__SNP05>-POBJE = 1.
</SAPAPO/S__SNP05>-METHO = 1.
</SAPAPO/S__SNP05>-INTPT = 1.

ENDLOOP.

LOOP AT IT_/SAPAPO/S__SNP05 INTO WA_/SAPAPO/S__SNP05.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/S__SNP05-ZDECO, sy-vline,
  WA_/SAPAPO/S__SNP05-PDECO, sy-vline,
  WA_/SAPAPO/S__SNP05-WINSI, sy-vline,
  WA_/SAPAPO/S__SNP05-PARTI, sy-vline,
  WA_/SAPAPO/S__SNP05-HPRIO, sy-vline,
  WA_/SAPAPO/S__SNP05-SPRIO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/S__SNP05 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/S__SNP05 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/S__SNP05 INTO WA_/SAPAPO/S__SNP05.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_/SAPAPO/S__SNP05_STR, 
OPTPR TYPE STRING,
OPTTX TYPE STRING,
POBJE TYPE STRING,
METHO TYPE STRING,
INTPT TYPE STRING,
ZDECO TYPE STRING,
PDECO TYPE STRING,
WINSI TYPE STRING,
PARTI TYPE STRING,
HPRIO TYPE STRING,
SPRIO TYPE STRING,
DISCM TYPE STRING,
DITER TYPE STRING,
DLAUF TYPE STRING,
DTRUN TYPE STRING,
DPRUN TYPE STRING,
PROHR TYPE STRING,
TRAHR TYPE STRING,
LOCMA TYPE STRING,
LOCAT TYPE STRING,
SUBLO TYPE STRING,
ARCFL TYPE STRING,
RESOU TYPE STRING,
ARCMA TYPE STRING,
PRODM TYPE STRING,
INTRF TYPE STRING,
INTRZ TYPE STRING,
INTPM TYPE STRING,
INTPR TYPE STRING,
INTTR TYPE STRING,
INPPM TYPE STRING,
INTCO TYPE STRING,
INPCO TYPE STRING,
INFCO TYPE STRING,
RNDPR TYPE STRING,
RNDTR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/S__SNP05_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/S__SNP05_STR-OPTPR sy-vline 
WA_/SAPAPO/S__SNP05_STR-OPTTX sy-vline 
WA_/SAPAPO/S__SNP05_STR-POBJE sy-vline 
WA_/SAPAPO/S__SNP05_STR-METHO sy-vline 
WA_/SAPAPO/S__SNP05_STR-INTPT sy-vline 
WA_/SAPAPO/S__SNP05_STR-ZDECO sy-vline 
WA_/SAPAPO/S__SNP05_STR-PDECO sy-vline 
WA_/SAPAPO/S__SNP05_STR-WINSI sy-vline 
WA_/SAPAPO/S__SNP05_STR-PARTI sy-vline 
WA_/SAPAPO/S__SNP05_STR-HPRIO sy-vline 
WA_/SAPAPO/S__SNP05_STR-SPRIO sy-vline 
WA_/SAPAPO/S__SNP05_STR-DISCM sy-vline 
WA_/SAPAPO/S__SNP05_STR-DITER sy-vline 
WA_/SAPAPO/S__SNP05_STR-DLAUF sy-vline 
WA_/SAPAPO/S__SNP05_STR-DTRUN sy-vline 
WA_/SAPAPO/S__SNP05_STR-DPRUN sy-vline 
WA_/SAPAPO/S__SNP05_STR-PROHR sy-vline 
WA_/SAPAPO/S__SNP05_STR-TRAHR sy-vline 
WA_/SAPAPO/S__SNP05_STR-LOCMA sy-vline 
WA_/SAPAPO/S__SNP05_STR-LOCAT sy-vline 
WA_/SAPAPO/S__SNP05_STR-SUBLO sy-vline 
WA_/SAPAPO/S__SNP05_STR-ARCFL sy-vline 
WA_/SAPAPO/S__SNP05_STR-RESOU sy-vline 
WA_/SAPAPO/S__SNP05_STR-ARCMA sy-vline 
WA_/SAPAPO/S__SNP05_STR-PRODM sy-vline 
WA_/SAPAPO/S__SNP05_STR-INTRF sy-vline 
WA_/SAPAPO/S__SNP05_STR-INTRZ sy-vline 
WA_/SAPAPO/S__SNP05_STR-INTPM sy-vline 
WA_/SAPAPO/S__SNP05_STR-INTPR sy-vline 
WA_/SAPAPO/S__SNP05_STR-INTTR sy-vline 
WA_/SAPAPO/S__SNP05_STR-INPPM sy-vline 
WA_/SAPAPO/S__SNP05_STR-INTCO sy-vline 
WA_/SAPAPO/S__SNP05_STR-INPCO sy-vline 
WA_/SAPAPO/S__SNP05_STR-INFCO sy-vline 
WA_/SAPAPO/S__SNP05_STR-RNDPR sy-vline 
WA_/SAPAPO/S__SNP05_STR-RNDTR sy-vline      INTO ld_text SEPARATED BY SPACE.

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