ABAP Select data from SAP table PPH_D_CAPACITY_D into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PPH_D_CAPACITY_D
*  INTO TABLE @DATA(IT_PPH_D_CAPACITY_D2).
*--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_PPH_D_CAPACITY_D INDEX 1 INTO DATA(WA_PPH_D_CAPACITY_D2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PPH_D_CAPACITY_D>-MANDT = 1.
<PPH_D_CAPACITY_D>-WORKCENTERINTERNALID = 1.
<PPH_D_CAPACITY_D>-WORKCENTERTYPECODE = 1.
<PPH_D_CAPACITY_D>-CAPACITYCATEGORYALLOCATION = 1.
<PPH_D_CAPACITY_D>-CAPACITYINTERNALID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PPH_D_CAPACITY_D-LASTCHANGEDATE, sy-vline,
  WA_PPH_D_CAPACITY_D-LASTCHANGEDBYUSER, sy-vline,
  WA_PPH_D_CAPACITY_D-WORKCENTER, sy-vline,
  WA_PPH_D_CAPACITY_D-WORKCENTERCATEGORYCODE, sy-vline,
  WA_PPH_D_CAPACITY_D-SETUPCAPREQUIREMENTFORMULA, sy-vline,
  WA_PPH_D_CAPACITY_D-PROCGCAPREQUIREMENTFORMULA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PPH_D_CAPACITY_D 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_PPH_D_CAPACITY_D 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_PPH_D_CAPACITY_D INTO WA_PPH_D_CAPACITY_D.


*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 CAPACITYQUANTITYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PPH_D_CAPACITY_D-CAPACITYQUANTITYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPH_D_CAPACITY_D-CAPACITYQUANTITYUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field CAPACITYBASEQTYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PPH_D_CAPACITY_D-CAPACITYBASEQTYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPH_D_CAPACITY_D-CAPACITYBASEQTYUNIT.
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_PPH_D_CAPACITY_D_STR, 
MANDT TYPE STRING,
WORKCENTERINTERNALID TYPE STRING,
WORKCENTERTYPECODE TYPE STRING,
CAPACITYCATEGORYALLOCATION TYPE STRING,
CAPACITYINTERNALID TYPE STRING,
LASTCHANGEDATE TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
WORKCENTER TYPE STRING,
WORKCENTERCATEGORYCODE TYPE STRING,
SETUPCAPREQUIREMENTFORMULA TYPE STRING,
PROCGCAPREQUIREMENTFORMULA TYPE STRING,
TEARDOWNCAPREQUIREMENTFORMULA TYPE STRING,
OTHERCAPREQUIREMENTFORMULA TYPE STRING,
VALIDITYSTARTDATE TYPE STRING,
VALIDITYENDDATE TYPE STRING,
WORKCENTERLASTCHANGEDATETIME TYPE STRING,
CAPACITY TYPE STRING,
CAPACITYCATEGORYCODE TYPE STRING,
CAPACITYACTIVEVERSION TYPE STRING,
CAPACITYISFINITE TYPE STRING,
CAPACITYISPOOLED TYPE STRING,
CAPACITYHASINDIVCAPACITIES TYPE STRING,
CAPACITYISEXCLDFRMLONGTERMPLNG TYPE STRING,
CAPACITYNUMBEROFCAPACITIES TYPE STRING,
CAPACITYRESPONSIBLEPLANNER TYPE STRING,
CAPACITYPLANUTILIZATIONPERCENT TYPE STRING,
PLANT TYPE STRING,
FACTORYCALENDAR TYPE STRING,
AUTHORIZATIONGROUP TYPE STRING,
SHIFTGROUP TYPE STRING,
CAPISUSEDINMULTIOPERATIONS TYPE STRING,
REFERENCEDCAPACITYINTERNALID TYPE STRING,
CAPOVERLOADTHRESHOLDINPERCENT TYPE STRING,
CAPACITYQUANTITYUNIT TYPE STRING,
CAPACITYBASEQTYUNIT TYPE STRING,
CAPACITYLASTCHANGEDATETIME TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTFIELDCHANGES TYPE STRING,
CAPACITYBREAKDURATION TYPE STRING,
CAPACITYSTARTTIMEID TYPE STRING,
CAPACITYENDTIMEID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PPH_D_CAPACITY_D_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_PPH_D_CAPACITY_D_STR-MANDT sy-vline 
WA_PPH_D_CAPACITY_D_STR-WORKCENTERINTERNALID sy-vline 
WA_PPH_D_CAPACITY_D_STR-WORKCENTERTYPECODE sy-vline 
WA_PPH_D_CAPACITY_D_STR-CAPACITYCATEGORYALLOCATION sy-vline 
WA_PPH_D_CAPACITY_D_STR-CAPACITYINTERNALID sy-vline 
WA_PPH_D_CAPACITY_D_STR-LASTCHANGEDATE sy-vline 
WA_PPH_D_CAPACITY_D_STR-LASTCHANGEDBYUSER sy-vline 
WA_PPH_D_CAPACITY_D_STR-WORKCENTER sy-vline 
WA_PPH_D_CAPACITY_D_STR-WORKCENTERCATEGORYCODE sy-vline 
WA_PPH_D_CAPACITY_D_STR-SETUPCAPREQUIREMENTFORMULA sy-vline 
WA_PPH_D_CAPACITY_D_STR-PROCGCAPREQUIREMENTFORMULA sy-vline 
WA_PPH_D_CAPACITY_D_STR-TEARDOWNCAPREQUIREMENTFORMULA sy-vline 
WA_PPH_D_CAPACITY_D_STR-OTHERCAPREQUIREMENTFORMULA sy-vline 
WA_PPH_D_CAPACITY_D_STR-VALIDITYSTARTDATE sy-vline 
WA_PPH_D_CAPACITY_D_STR-VALIDITYENDDATE sy-vline 
WA_PPH_D_CAPACITY_D_STR-WORKCENTERLASTCHANGEDATETIME sy-vline 
WA_PPH_D_CAPACITY_D_STR-CAPACITY sy-vline 
WA_PPH_D_CAPACITY_D_STR-CAPACITYCATEGORYCODE sy-vline 
WA_PPH_D_CAPACITY_D_STR-CAPACITYACTIVEVERSION sy-vline 
WA_PPH_D_CAPACITY_D_STR-CAPACITYISFINITE sy-vline 
WA_PPH_D_CAPACITY_D_STR-CAPACITYISPOOLED sy-vline 
WA_PPH_D_CAPACITY_D_STR-CAPACITYHASINDIVCAPACITIES sy-vline 
WA_PPH_D_CAPACITY_D_STR-CAPACITYISEXCLDFRMLONGTERMPLNG sy-vline 
WA_PPH_D_CAPACITY_D_STR-CAPACITYNUMBEROFCAPACITIES sy-vline 
WA_PPH_D_CAPACITY_D_STR-CAPACITYRESPONSIBLEPLANNER sy-vline 
WA_PPH_D_CAPACITY_D_STR-CAPACITYPLANUTILIZATIONPERCENT sy-vline 
WA_PPH_D_CAPACITY_D_STR-PLANT sy-vline 
WA_PPH_D_CAPACITY_D_STR-FACTORYCALENDAR sy-vline 
WA_PPH_D_CAPACITY_D_STR-AUTHORIZATIONGROUP sy-vline 
WA_PPH_D_CAPACITY_D_STR-SHIFTGROUP sy-vline 
WA_PPH_D_CAPACITY_D_STR-CAPISUSEDINMULTIOPERATIONS sy-vline 
WA_PPH_D_CAPACITY_D_STR-REFERENCEDCAPACITYINTERNALID sy-vline 
WA_PPH_D_CAPACITY_D_STR-CAPOVERLOADTHRESHOLDINPERCENT sy-vline 
WA_PPH_D_CAPACITY_D_STR-CAPACITYQUANTITYUNIT sy-vline 
WA_PPH_D_CAPACITY_D_STR-CAPACITYBASEQTYUNIT sy-vline 
WA_PPH_D_CAPACITY_D_STR-CAPACITYLASTCHANGEDATETIME sy-vline 
WA_PPH_D_CAPACITY_D_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_PPH_D_CAPACITY_D_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_PPH_D_CAPACITY_D_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_PPH_D_CAPACITY_D_STR-DRAFTENTITYOPERATIONCODE sy-vline 
WA_PPH_D_CAPACITY_D_STR-HASACTIVEENTITY sy-vline 
WA_PPH_D_CAPACITY_D_STR-DRAFTFIELDCHANGES sy-vline 
WA_PPH_D_CAPACITY_D_STR-CAPACITYBREAKDURATION sy-vline 
WA_PPH_D_CAPACITY_D_STR-CAPACITYSTARTTIMEID sy-vline 
WA_PPH_D_CAPACITY_D_STR-CAPACITYENDTIMEID sy-vline      INTO ld_text SEPARATED BY SPACE.

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