ABAP Select data from SAP table PMPEOALTSTACTION into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PMPEOALTSTACTION
*  INTO TABLE @DATA(IT_PMPEOALTSTACTION2).
*--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_PMPEOALTSTACTION INDEX 1 INTO DATA(WA_PMPEOALTSTACTION2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PMPEOALTSTACTION>-MANDT = 1.
<PMPEOALTSTACTION>-OPERATIONACTIVITYCONFIRMATION = 1.
<PMPEOALTSTACTION>-OPACTYNTWKINSTANCE = 1.
<PMPEOALTSTACTION>-OPACTYNTWKELEMENT = 1.
<PMPEOALTSTACTION>-OPACTYCONFIRMATIONTYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PMPEOALTSTACTION-STATUSANDACTIONSCHEMAACTION, sy-vline,
  WA_PMPEOALTSTACTION-OPACTYCONFIRMATIONDATETIME, sy-vline,
  WA_PMPEOALTSTACTION-CREATIONDATETIME, sy-vline,
  WA_PMPEOALTSTACTION-CREATEDBYUSER, sy-vline,
  WA_PMPEOALTSTACTION-CONFIRMATIONYIELDQUANTITY, sy-vline,
  WA_PMPEOALTSTACTION-CONFIRMATIONSCRAPQUANTITY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PMPEOALTSTACTION 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_PMPEOALTSTACTION 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_PMPEOALTSTACTION INTO WA_PMPEOALTSTACTION.


*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 CONFIRMATIONQUANTITYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PMPEOALTSTACTION-CONFIRMATIONQUANTITYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PMPEOALTSTACTION-CONFIRMATIONQUANTITYUNIT.
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_PMPEOALTSTACTION_STR, 
MANDT TYPE STRING,
OPERATIONACTIVITYCONFIRMATION TYPE STRING,
OPACTYNTWKINSTANCE TYPE STRING,
OPACTYNTWKELEMENT TYPE STRING,
OPACTYCONFIRMATIONTYPE TYPE STRING,
STATUSANDACTIONSCHEMAACTION TYPE STRING,
OPACTYCONFIRMATIONDATETIME TYPE STRING,
CREATIONDATETIME TYPE STRING,
CREATEDBYUSER TYPE STRING,
CONFIRMATIONYIELDQUANTITY TYPE STRING,
CONFIRMATIONSCRAPQUANTITY TYPE STRING,
CONFIRMATIONSCRAPBFRPROCGQTY TYPE STRING,
CONFIRMATIONSKIPPEDQUANTITY TYPE STRING,
QUANTITYDENOMINATOR TYPE STRING,
QUANTITYNUMERATOR TYPE STRING,
CONFIRMATIONQUANTITYUNIT TYPE STRING,
OPACTYSTATUSDURNINSECONDS TYPE STRING,
CALENDARBASEDNETDURNINSECONDS TYPE STRING,
WORKCENTERBSDNETDURNINSECONDS TYPE STRING,
OPACTYACTUALDURNINSECONDS TYPE STRING,
POSTINGISRETROACTIVE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PMPEOALTSTACTION_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_PMPEOALTSTACTION_STR-MANDT sy-vline 
WA_PMPEOALTSTACTION_STR-OPERATIONACTIVITYCONFIRMATION sy-vline 
WA_PMPEOALTSTACTION_STR-OPACTYNTWKINSTANCE sy-vline 
WA_PMPEOALTSTACTION_STR-OPACTYNTWKELEMENT sy-vline 
WA_PMPEOALTSTACTION_STR-OPACTYCONFIRMATIONTYPE sy-vline 
WA_PMPEOALTSTACTION_STR-STATUSANDACTIONSCHEMAACTION sy-vline 
WA_PMPEOALTSTACTION_STR-OPACTYCONFIRMATIONDATETIME sy-vline 
WA_PMPEOALTSTACTION_STR-CREATIONDATETIME sy-vline 
WA_PMPEOALTSTACTION_STR-CREATEDBYUSER sy-vline 
WA_PMPEOALTSTACTION_STR-CONFIRMATIONYIELDQUANTITY sy-vline 
WA_PMPEOALTSTACTION_STR-CONFIRMATIONSCRAPQUANTITY sy-vline 
WA_PMPEOALTSTACTION_STR-CONFIRMATIONSCRAPBFRPROCGQTY sy-vline 
WA_PMPEOALTSTACTION_STR-CONFIRMATIONSKIPPEDQUANTITY sy-vline 
WA_PMPEOALTSTACTION_STR-QUANTITYDENOMINATOR sy-vline 
WA_PMPEOALTSTACTION_STR-QUANTITYNUMERATOR sy-vline 
WA_PMPEOALTSTACTION_STR-CONFIRMATIONQUANTITYUNIT sy-vline 
WA_PMPEOALTSTACTION_STR-OPACTYSTATUSDURNINSECONDS sy-vline 
WA_PMPEOALTSTACTION_STR-CALENDARBASEDNETDURNINSECONDS sy-vline 
WA_PMPEOALTSTACTION_STR-WORKCENTERBSDNETDURNINSECONDS sy-vline 
WA_PMPEOALTSTACTION_STR-OPACTYACTUALDURNINSECONDS sy-vline 
WA_PMPEOALTSTACTION_STR-POSTINGISRETROACTIVE sy-vline      INTO ld_text SEPARATED BY SPACE.

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