ABAP Select data from SAP table /SAPAPO/RPT_PTIO1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SAPAPO/RPT_PTIO1 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/RPT_PTIO1. 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/RPT_PTIO1 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/RPT_PTIO1 TYPE STANDARD TABLE OF /SAPAPO/RPT_PTIO1,
      WA_/SAPAPO/RPT_PTIO1 TYPE /SAPAPO/RPT_PTIO1,
      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/RPT_PTIO1> TYPE /SAPAPO/RPT_PTIO1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/SAPAPO/RPT_PTIO1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SAPAPO/RPT_PTIO1
  INTO TABLE IT_/SAPAPO/RPT_PTIO1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/RPT_PTIO1
*  INTO TABLE @DATA(IT_/SAPAPO/RPT_PTIO12).
*--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/RPT_PTIO1 INDEX 1 INTO DATA(WA_/SAPAPO/RPT_PTIO12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SAPAPO/RPT_PTIO1 ASSIGNING </SAPAPO/RPT_PTIO1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/RPT_PTIO1>-ROWEXT = 1.
</SAPAPO/RPT_PTIO1>-QUATYP = 1.
</SAPAPO/RPT_PTIO1>-TEXT1 = 1.
</SAPAPO/RPT_PTIO1>-MEINS = 1.
</SAPAPO/RPT_PTIO1>-RTOTAL01 = 1.

ENDLOOP.

LOOP AT IT_/SAPAPO/RPT_PTIO1 INTO WA_/SAPAPO/RPT_PTIO1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/RPT_PTIO1-RTOTAL02, sy-vline,
  WA_/SAPAPO/RPT_PTIO1-RTOTAL03, sy-vline,
  WA_/SAPAPO/RPT_PTIO1-RTOTAL04, sy-vline,
  WA_/SAPAPO/RPT_PTIO1-RTOTAL05, sy-vline,
  WA_/SAPAPO/RPT_PTIO1-RTOTAL06, sy-vline,
  WA_/SAPAPO/RPT_PTIO1-RTOTAL07, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/RPT_PTIO1 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/RPT_PTIO1 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/RPT_PTIO1 INTO WA_/SAPAPO/RPT_PTIO1.


*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 CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/RPT_PTIO1-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/RPT_PTIO1-MEINS.
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/RPT_PTIO1_STR, 
ROWEXT TYPE STRING,
QUATYP TYPE STRING,
TEXT1 TYPE STRING,
MEINS TYPE STRING,
RTOTAL01 TYPE STRING,
RTOTAL02 TYPE STRING,
RTOTAL03 TYPE STRING,
RTOTAL04 TYPE STRING,
RTOTAL05 TYPE STRING,
RTOTAL06 TYPE STRING,
RTOTAL07 TYPE STRING,
RTOTAL08 TYPE STRING,
RTOTAL09 TYPE STRING,
COLORS TYPE STRING,
DDTAB TYPE STRING,
STYLE TYPE STRING,
LINECOLOR TYPE STRING,
QUA001 TYPE STRING,
QUA002 TYPE STRING,
QUA003 TYPE STRING,
QUA004 TYPE STRING,
QUA005 TYPE STRING,
QUA006 TYPE STRING,
QUA007 TYPE STRING,
QUA008 TYPE STRING,
QUA009 TYPE STRING,
QUA010 TYPE STRING,
QUA011 TYPE STRING,
QUA012 TYPE STRING,
QUA013 TYPE STRING,
QUA014 TYPE STRING,
QUA015 TYPE STRING,
QUA016 TYPE STRING,
QUA017 TYPE STRING,
QUA018 TYPE STRING,
QUA019 TYPE STRING,
QUA020 TYPE STRING,
QUA021 TYPE STRING,
QUA022 TYPE STRING,
QUA023 TYPE STRING,
QUA024 TYPE STRING,
QUA025 TYPE STRING,
QUA026 TYPE STRING,
QUA027 TYPE STRING,
QUA028 TYPE STRING,
QUA029 TYPE STRING,
QUA030 TYPE STRING,
QUA031 TYPE STRING,
QUA032 TYPE STRING,
QUA033 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/RPT_PTIO1_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/RPT_PTIO1_STR-ROWEXT sy-vline 
WA_/SAPAPO/RPT_PTIO1_STR-QUATYP sy-vline 
WA_/SAPAPO/RPT_PTIO1_STR-TEXT1 sy-vline 
WA_/SAPAPO/RPT_PTIO1_STR-MEINS sy-vline 
WA_/SAPAPO/RPT_PTIO1_STR-RTOTAL01 sy-vline 
WA_/SAPAPO/RPT_PTIO1_STR-RTOTAL02 sy-vline 
WA_/SAPAPO/RPT_PTIO1_STR-RTOTAL03 sy-vline 
WA_/SAPAPO/RPT_PTIO1_STR-RTOTAL04 sy-vline 
WA_/SAPAPO/RPT_PTIO1_STR-RTOTAL05 sy-vline 
WA_/SAPAPO/RPT_PTIO1_STR-RTOTAL06 sy-vline 
WA_/SAPAPO/RPT_PTIO1_STR-RTOTAL07 sy-vline 
WA_/SAPAPO/RPT_PTIO1_STR-RTOTAL08 sy-vline 
WA_/SAPAPO/RPT_PTIO1_STR-RTOTAL09 sy-vline 
WA_/SAPAPO/RPT_PTIO1_STR-COLORS sy-vline 
WA_/SAPAPO/RPT_PTIO1_STR-DDTAB sy-vline 
WA_/SAPAPO/RPT_PTIO1_STR-STYLE sy-vline 
WA_/SAPAPO/RPT_PTIO1_STR-LINECOLOR sy-vline 
WA_/SAPAPO/RPT_PTIO1_STR-QUA001 sy-vline 
WA_/SAPAPO/RPT_PTIO1_STR-QUA002 sy-vline 
WA_/SAPAPO/RPT_PTIO1_STR-QUA003 sy-vline 
WA_/SAPAPO/RPT_PTIO1_STR-QUA004 sy-vline 
WA_/SAPAPO/RPT_PTIO1_STR-QUA005 sy-vline 
WA_/SAPAPO/RPT_PTIO1_STR-QUA006 sy-vline 
WA_/SAPAPO/RPT_PTIO1_STR-QUA007 sy-vline 
WA_/SAPAPO/RPT_PTIO1_STR-QUA008 sy-vline 
WA_/SAPAPO/RPT_PTIO1_STR-QUA009 sy-vline 
WA_/SAPAPO/RPT_PTIO1_STR-QUA010 sy-vline 
WA_/SAPAPO/RPT_PTIO1_STR-QUA011 sy-vline 
WA_/SAPAPO/RPT_PTIO1_STR-QUA012 sy-vline 
WA_/SAPAPO/RPT_PTIO1_STR-QUA013 sy-vline 
WA_/SAPAPO/RPT_PTIO1_STR-QUA014 sy-vline 
WA_/SAPAPO/RPT_PTIO1_STR-QUA015 sy-vline 
WA_/SAPAPO/RPT_PTIO1_STR-QUA016 sy-vline 
WA_/SAPAPO/RPT_PTIO1_STR-QUA017 sy-vline 
WA_/SAPAPO/RPT_PTIO1_STR-QUA018 sy-vline 
WA_/SAPAPO/RPT_PTIO1_STR-QUA019 sy-vline 
WA_/SAPAPO/RPT_PTIO1_STR-QUA020 sy-vline 
WA_/SAPAPO/RPT_PTIO1_STR-QUA021 sy-vline 
WA_/SAPAPO/RPT_PTIO1_STR-QUA022 sy-vline 
WA_/SAPAPO/RPT_PTIO1_STR-QUA023 sy-vline 
WA_/SAPAPO/RPT_PTIO1_STR-QUA024 sy-vline 
WA_/SAPAPO/RPT_PTIO1_STR-QUA025 sy-vline 
WA_/SAPAPO/RPT_PTIO1_STR-QUA026 sy-vline 
WA_/SAPAPO/RPT_PTIO1_STR-QUA027 sy-vline 
WA_/SAPAPO/RPT_PTIO1_STR-QUA028 sy-vline 
WA_/SAPAPO/RPT_PTIO1_STR-QUA029 sy-vline 
WA_/SAPAPO/RPT_PTIO1_STR-QUA030 sy-vline 
WA_/SAPAPO/RPT_PTIO1_STR-QUA031 sy-vline 
WA_/SAPAPO/RPT_PTIO1_STR-QUA032 sy-vline 
WA_/SAPAPO/RPT_PTIO1_STR-QUA033 sy-vline      INTO ld_text SEPARATED BY SPACE.

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