ABAP Select data from SAP table PRSHSMLTDOPCPPW into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PRSHSMLTDOPCPPW
*  INTO TABLE @DATA(IT_PRSHSMLTDOPCPPW2).
*--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_PRSHSMLTDOPCPPW INDEX 1 INTO DATA(WA_PRSHSMLTDOPCPPW2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PRSHSMLTDOPCPPW>-MANDT = 1.
<PRSHSMLTDOPCPPW>-MAINTSCHEDSIMLNUUID = 1.
<PRSHSMLTDOPCPPW>-WORKCENTERINTERNALID = 1.
<PRSHSMLTDOPCPPW>-CAPACITYINTERNALID = 1.
<PRSHSMLTDOPCPPW>-WORKCENTER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PRSHSMLTDOPCPPW-WORKCENTERTYPECODE, sy-vline,
  WA_PRSHSMLTDOPCPPW-WORKCENTERCATEGORYCODE, sy-vline,
  WA_PRSHSMLTDOPCPPW-PLANT, sy-vline,
  WA_PRSHSMLTDOPCPPW-PROCESSINGSTATUS, sy-vline,
  WA_PRSHSMLTDOPCPPW-MAINTORDOPSIMULATIONSTATUS, sy-vline,
  WA_PRSHSMLTDOPCPPW-OPERATIONPLANNEDWORK, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PRSHSMLTDOPCPPW 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_PRSHSMLTDOPCPPW 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_PRSHSMLTDOPCPPW INTO WA_PRSHSMLTDOPCPPW.


*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_PRSHSMLTDOPCPPW_STR, 
MANDT TYPE STRING,
MAINTSCHEDSIMLNUUID TYPE STRING,
WORKCENTERINTERNALID TYPE STRING,
CAPACITYINTERNALID TYPE STRING,
WORKCENTER TYPE STRING,
WORKCENTERTYPECODE TYPE STRING,
WORKCENTERCATEGORYCODE TYPE STRING,
PLANT TYPE STRING,
PROCESSINGSTATUS TYPE STRING,
MAINTORDOPSIMULATIONSTATUS TYPE STRING,
OPERATIONPLANNEDWORK TYPE STRING,
NUMBEROFCAPACITIES TYPE STRING,
OPERATIONDURATION TYPE STRING,
MAINTORDOPSIMULATEDSTARTDATE TYPE STRING,
MAINTORDOPSIMULATEDENDDATE TYPE STRING,
CALCAPACITYINPARALLEL TYPE STRING,
TOTOPERATINGDURATIONINSECONDS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PRSHSMLTDOPCPPW_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_PRSHSMLTDOPCPPW_STR-MANDT sy-vline 
WA_PRSHSMLTDOPCPPW_STR-MAINTSCHEDSIMLNUUID sy-vline 
WA_PRSHSMLTDOPCPPW_STR-WORKCENTERINTERNALID sy-vline 
WA_PRSHSMLTDOPCPPW_STR-CAPACITYINTERNALID sy-vline 
WA_PRSHSMLTDOPCPPW_STR-WORKCENTER sy-vline 
WA_PRSHSMLTDOPCPPW_STR-WORKCENTERTYPECODE sy-vline 
WA_PRSHSMLTDOPCPPW_STR-WORKCENTERCATEGORYCODE sy-vline 
WA_PRSHSMLTDOPCPPW_STR-PLANT sy-vline 
WA_PRSHSMLTDOPCPPW_STR-PROCESSINGSTATUS sy-vline 
WA_PRSHSMLTDOPCPPW_STR-MAINTORDOPSIMULATIONSTATUS sy-vline 
WA_PRSHSMLTDOPCPPW_STR-OPERATIONPLANNEDWORK sy-vline 
WA_PRSHSMLTDOPCPPW_STR-NUMBEROFCAPACITIES sy-vline 
WA_PRSHSMLTDOPCPPW_STR-OPERATIONDURATION sy-vline 
WA_PRSHSMLTDOPCPPW_STR-MAINTORDOPSIMULATEDSTARTDATE sy-vline 
WA_PRSHSMLTDOPCPPW_STR-MAINTORDOPSIMULATEDENDDATE sy-vline 
WA_PRSHSMLTDOPCPPW_STR-CALCAPACITYINPARALLEL sy-vline 
WA_PRSHSMLTDOPCPPW_STR-TOTOPERATINGDURATIONINSECONDS sy-vline      INTO ld_text SEPARATED BY SPACE.

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