ABAP Select data from SAP table /SAPAPO/S_PMON_PI 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_PMON_PI 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_PMON_PI. 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_PMON_PI 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_PMON_PI TYPE STANDARD TABLE OF /SAPAPO/S_PMON_PI,
      WA_/SAPAPO/S_PMON_PI TYPE /SAPAPO/S_PMON_PI,
      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_PMON_PI> TYPE /SAPAPO/S_PMON_PI.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/S_PMON_PI
*  INTO TABLE @DATA(IT_/SAPAPO/S_PMON_PI2).
*--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_PMON_PI INDEX 1 INTO DATA(WA_/SAPAPO/S_PMON_PI2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/S_PMON_PI>-MANDT = 1.
</SAPAPO/S_PMON_PI>-PIND = 1.
</SAPAPO/S_PMON_PI>-TYPE = 1.
</SAPAPO/S_PMON_PI>-PIFM = 1.
</SAPAPO/S_PMON_PI>-PINAME_DEFAULT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/S_PMON_PI-PIDESCR_DEFAULT, sy-vline,
  WA_/SAPAPO/S_PMON_PI-EXTRACTOR, sy-vline,
  WA_/SAPAPO/S_PMON_PI-FUNCNAME, sy-vline,
  WA_/SAPAPO/S_PMON_PI-TTYPENAME, sy-vline,
  WA_/SAPAPO/S_PMON_PI-STRUCTURE, sy-vline,
  WA_/SAPAPO/S_PMON_PI-FIELDNM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/S_PMON_PI 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_PMON_PI 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_PMON_PI INTO WA_/SAPAPO/S_PMON_PI.


*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_PMON_PI_STR, 
MANDT TYPE STRING,
PIND TYPE STRING,
TYPE TYPE STRING,
PIFM TYPE STRING,
PINAME_DEFAULT TYPE STRING,
PIDESCR_DEFAULT TYPE STRING,
EXTRACTOR TYPE STRING,
FUNCNAME TYPE STRING,
TTYPENAME TYPE STRING,
STRUCTURE TYPE STRING,
FIELDNM TYPE STRING,
UNITFIELDNM TYPE STRING,
DIMID TYPE STRING,
OPERATOR1 TYPE STRING,
FIELDNMF1 TYPE STRING,
DIMID1 TYPE STRING,
UNITFIELDNMF1 TYPE STRING,
OPERATOR2 TYPE STRING,
FIELDNMF2 TYPE STRING,
DIMID2 TYPE STRING,
UNITFIELDNMF2 TYPE STRING,
EXAGGRMODE TYPE STRING,
INACTIVE TYPE STRING,
IND1 TYPE STRING,
IND2 TYPE STRING,
IND3 TYPE STRING,
ATTR1 TYPE STRING,
ATTR2 TYPE STRING,
NAME TYPE STRING,
DESCR TYPE STRING,
PARTS_TAB TYPE STRING,
OBJT_TAB TYPE STRING,
STATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/S_PMON_PI_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_PMON_PI_STR-MANDT sy-vline 
WA_/SAPAPO/S_PMON_PI_STR-PIND sy-vline 
WA_/SAPAPO/S_PMON_PI_STR-TYPE sy-vline 
WA_/SAPAPO/S_PMON_PI_STR-PIFM sy-vline 
WA_/SAPAPO/S_PMON_PI_STR-PINAME_DEFAULT sy-vline 
WA_/SAPAPO/S_PMON_PI_STR-PIDESCR_DEFAULT sy-vline 
WA_/SAPAPO/S_PMON_PI_STR-EXTRACTOR sy-vline 
WA_/SAPAPO/S_PMON_PI_STR-FUNCNAME sy-vline 
WA_/SAPAPO/S_PMON_PI_STR-TTYPENAME sy-vline 
WA_/SAPAPO/S_PMON_PI_STR-STRUCTURE sy-vline 
WA_/SAPAPO/S_PMON_PI_STR-FIELDNM sy-vline 
WA_/SAPAPO/S_PMON_PI_STR-UNITFIELDNM sy-vline 
WA_/SAPAPO/S_PMON_PI_STR-DIMID sy-vline 
WA_/SAPAPO/S_PMON_PI_STR-OPERATOR1 sy-vline 
WA_/SAPAPO/S_PMON_PI_STR-FIELDNMF1 sy-vline 
WA_/SAPAPO/S_PMON_PI_STR-DIMID1 sy-vline 
WA_/SAPAPO/S_PMON_PI_STR-UNITFIELDNMF1 sy-vline 
WA_/SAPAPO/S_PMON_PI_STR-OPERATOR2 sy-vline 
WA_/SAPAPO/S_PMON_PI_STR-FIELDNMF2 sy-vline 
WA_/SAPAPO/S_PMON_PI_STR-DIMID2 sy-vline 
WA_/SAPAPO/S_PMON_PI_STR-UNITFIELDNMF2 sy-vline 
WA_/SAPAPO/S_PMON_PI_STR-EXAGGRMODE sy-vline 
WA_/SAPAPO/S_PMON_PI_STR-INACTIVE sy-vline 
WA_/SAPAPO/S_PMON_PI_STR-IND1 sy-vline 
WA_/SAPAPO/S_PMON_PI_STR-IND2 sy-vline 
WA_/SAPAPO/S_PMON_PI_STR-IND3 sy-vline 
WA_/SAPAPO/S_PMON_PI_STR-ATTR1 sy-vline 
WA_/SAPAPO/S_PMON_PI_STR-ATTR2 sy-vline 
WA_/SAPAPO/S_PMON_PI_STR-NAME sy-vline 
WA_/SAPAPO/S_PMON_PI_STR-DESCR sy-vline 
WA_/SAPAPO/S_PMON_PI_STR-PARTS_TAB sy-vline 
WA_/SAPAPO/S_PMON_PI_STR-OBJT_TAB sy-vline 
WA_/SAPAPO/S_PMON_PI_STR-STATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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