ABAP Select data from SAP table IPOCKPIALL into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP IPOCKPIALL 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 IPOCKPIALL. 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 IPOCKPIALL 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_IPOCKPIALL TYPE STANDARD TABLE OF IPOCKPIALL,
      WA_IPOCKPIALL TYPE IPOCKPIALL,
      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: <IPOCKPIALL> TYPE IPOCKPIALL.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM IPOCKPIALL
  INTO TABLE IT_IPOCKPIALL.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IPOCKPIALL
*  INTO TABLE @DATA(IT_IPOCKPIALL2).
*--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_IPOCKPIALL INDEX 1 INTO DATA(WA_IPOCKPIALL2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_IPOCKPIALL ASSIGNING <IPOCKPIALL>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IPOCKPIALL>-MANDT = 1.
<IPOCKPIALL>-PROCOBSVRPROCESSUUID = 1.
<IPOCKPIALL>-PROCOBSVRKPIDEFINITION = 1.
<IPOCKPIALL>-VALUATIONNUMBER = 1.
<IPOCKPIALL>-PROCOBSVRTASKUUID = 1.

ENDLOOP.

LOOP AT IT_IPOCKPIALL INTO WA_IPOCKPIALL.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IPOCKPIALL-PROCOBSVRPROCESSDEFINITION, sy-vline,
  WA_IPOCKPIALL-PROCOBSVRPROCESSDEFVERSION, sy-vline,
  WA_IPOCKPIALL-PROCOBSVRKPICATEGORY, sy-vline,
  WA_IPOCKPIALL-STARTSAPBUSINESSOBJECTTYPE, sy-vline,
  WA_IPOCKPIALL-STARTBUSINESSOBJECT, sy-vline,
  WA_IPOCKPIALL-STARTBUSINESSOBJECTITEM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IPOCKPIALL 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_IPOCKPIALL 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_IPOCKPIALL INTO WA_IPOCKPIALL.


*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 DURATIONUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_IPOCKPIALL-DURATIONUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IPOCKPIALL-DURATIONUNIT.
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_IPOCKPIALL_STR, 
MANDT TYPE STRING,
PROCOBSVRPROCESSUUID TYPE STRING,
PROCOBSVRKPIDEFINITION TYPE STRING,
VALUATIONNUMBER TYPE STRING,
PROCOBSVRTASKUUID TYPE STRING,
PROCOBSVRPROCESSDEFINITION TYPE STRING,
PROCOBSVRPROCESSDEFVERSION TYPE STRING,
PROCOBSVRKPICATEGORY TYPE STRING,
STARTSAPBUSINESSOBJECTTYPE TYPE STRING,
STARTBUSINESSOBJECT TYPE STRING,
STARTBUSINESSOBJECTITEM TYPE STRING,
PROCOBSVRPROCESSSTATUS TYPE STRING,
PROCOBSVRFREEDEFINEDSTATUS TYPE STRING,
SAPBUSINESSOBJECTTYPE TYPE STRING,
BUSINESSOBJECT TYPE STRING,
BUSINESSOBJECTITEM TYPE STRING,
PROCOBSVRPROCESSVARIANTHASH TYPE STRING,
PROCOBSVRPROCESSVARIANTLENGTH TYPE STRING,
PROCOBSVRKPICOUNT TYPE STRING,
PROCOBSVRKPIDURATIONINSECONDS TYPE STRING,
DURATIONUNIT TYPE STRING,
ENDUTCDATETIME TYPE STRING,
ENDUTCDATE TYPE STRING,
ENDSYSTDATE TYPE STRING,
ENDSYSTTIME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IPOCKPIALL_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_IPOCKPIALL_STR-MANDT sy-vline 
WA_IPOCKPIALL_STR-PROCOBSVRPROCESSUUID sy-vline 
WA_IPOCKPIALL_STR-PROCOBSVRKPIDEFINITION sy-vline 
WA_IPOCKPIALL_STR-VALUATIONNUMBER sy-vline 
WA_IPOCKPIALL_STR-PROCOBSVRTASKUUID sy-vline 
WA_IPOCKPIALL_STR-PROCOBSVRPROCESSDEFINITION sy-vline 
WA_IPOCKPIALL_STR-PROCOBSVRPROCESSDEFVERSION sy-vline 
WA_IPOCKPIALL_STR-PROCOBSVRKPICATEGORY sy-vline 
WA_IPOCKPIALL_STR-STARTSAPBUSINESSOBJECTTYPE sy-vline 
WA_IPOCKPIALL_STR-STARTBUSINESSOBJECT sy-vline 
WA_IPOCKPIALL_STR-STARTBUSINESSOBJECTITEM sy-vline 
WA_IPOCKPIALL_STR-PROCOBSVRPROCESSSTATUS sy-vline 
WA_IPOCKPIALL_STR-PROCOBSVRFREEDEFINEDSTATUS sy-vline 
WA_IPOCKPIALL_STR-SAPBUSINESSOBJECTTYPE sy-vline 
WA_IPOCKPIALL_STR-BUSINESSOBJECT sy-vline 
WA_IPOCKPIALL_STR-BUSINESSOBJECTITEM sy-vline 
WA_IPOCKPIALL_STR-PROCOBSVRPROCESSVARIANTHASH sy-vline 
WA_IPOCKPIALL_STR-PROCOBSVRPROCESSVARIANTLENGTH sy-vline 
WA_IPOCKPIALL_STR-PROCOBSVRKPICOUNT sy-vline 
WA_IPOCKPIALL_STR-PROCOBSVRKPIDURATIONINSECONDS sy-vline 
WA_IPOCKPIALL_STR-DURATIONUNIT sy-vline 
WA_IPOCKPIALL_STR-ENDUTCDATETIME sy-vline 
WA_IPOCKPIALL_STR-ENDUTCDATE sy-vline 
WA_IPOCKPIALL_STR-ENDSYSTDATE sy-vline 
WA_IPOCKPIALL_STR-ENDSYSTTIME sy-vline      INTO ld_text SEPARATED BY SPACE.

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