ABAP Select data from SAP table AWCCAPORDER into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM AWCCAPORDER
*  INTO TABLE @DATA(IT_AWCCAPORDER2).
*--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_AWCCAPORDER INDEX 1 INTO DATA(WA_AWCCAPORDER2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<AWCCAPORDER>-MANDT = 1.
<AWCCAPORDER>-PLANT = 1.
<AWCCAPORDER>-MRPCONTROLLER = 1.
<AWCCAPORDER>-WORKCENTER = 1.
<AWCCAPORDER>-WORKCENTERTYPECODE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_AWCCAPORDER-CAPACITYCATEGORYALLOCATION, sy-vline,
  WA_AWCCAPORDER-CAPACITYINTERNALID, sy-vline,
  WA_AWCCAPORDER-MATERIAL, sy-vline,
  WA_AWCCAPORDER-ORDERID, sy-vline,
  WA_AWCCAPORDER-OPERATION, sy-vline,
  WA_AWCCAPORDER-CAPACITYEVALUATIONTIMEPERIOD, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_AWCCAPORDER 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_AWCCAPORDER 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_AWCCAPORDER INTO WA_AWCCAPORDER.


*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 MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_AWCCAPORDER-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_AWCCAPORDER-MATERIAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field OPERATION
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_AWCCAPORDER-OPERATION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_AWCCAPORDER-OPERATION.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field CAPACITYREQUIREMENTUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_AWCCAPORDER-CAPACITYREQUIREMENTUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_AWCCAPORDER-CAPACITYREQUIREMENTUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field BASEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_AWCCAPORDER-BASEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_AWCCAPORDER-BASEUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field WORKCENTERCAPACITYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_AWCCAPORDER-WORKCENTERCAPACITYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_AWCCAPORDER-WORKCENTERCAPACITYUNIT.
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_AWCCAPORDER_STR, 
MANDT TYPE STRING,
PLANT TYPE STRING,
MRPCONTROLLER TYPE STRING,
WORKCENTER TYPE STRING,
WORKCENTERTYPECODE TYPE STRING,
CAPACITYCATEGORYALLOCATION TYPE STRING,
CAPACITYINTERNALID TYPE STRING,
MATERIAL TYPE STRING,
ORDERID TYPE STRING,
OPERATION TYPE STRING,
CAPACITYEVALUATIONTIMEPERIOD TYPE STRING,
SHIFTNAME TYPE STRING,
CAPEVALBUCKETTYPE TYPE STRING,
CAPACITYEVALUATIONTIMEPERDTEXT TYPE STRING,
FACTORYCALENDAR TYPE STRING,
WORKCENTERDESC TYPE STRING,
WORKCENTERRESPONSIBLE TYPE STRING,
WORKCENTERCATEGORYCODE TYPE STRING,
WORKCENTERINTERNALID TYPE STRING,
CAPACITYREQUIREMENTORIGIN TYPE STRING,
CAPACITYREQUIREMENTUNIT TYPE STRING,
ORDERTYPE TYPE STRING,
ORDERTYPENAME TYPE STRING,
ORDERPLANNEDTOTALQTY TYPE STRING,
BASEUNIT TYPE STRING,
ORDERCATEGORY TYPE STRING,
ORDERCATEGORYNAME TYPE STRING,
PRODUCTIONVERSION TYPE STRING,
OPERATIONPLANNINGSTATUSTEXT TYPE STRING,
OPERATIONPLANNINGSTATUSCODE TYPE STRING,
OPERATIONLATESTSTARTDATE TYPE STRING,
OPERATIONLATESTSTARTTIME TYPE STRING,
OPERATIONLATESTENDDATE TYPE STRING,
OPERATIONLATESTENDTIME TYPE STRING,
ORDERSTATUSTEXT TYPE STRING,
ORDERSTATUSCODE TYPE STRING,
ORDERFIRMINGSTATUSCODE TYPE STRING,
ORDERFIRMINGSTATUSTEXT TYPE STRING,
OPLTSTSCHEDLDPROCGSTRTDTE TYPE STRING,
OPLTSTSCHEDLDPROCGSTRTTME TYPE STRING,
OPLTSTSCHEDLDTRDWNSTRTDTE TYPE STRING,
OPLTSTSCHEDLDTRDWNSTRTTME TYPE STRING,
REMAININGCAPREQOPSEGSETUPDURN TYPE STRING,
REMAININGCAPREQOPSEGPROCGDURN TYPE STRING,
REMAININGCAPREQOPSEGTRDWNDURN TYPE STRING,
ORDERINTERNALID TYPE STRING,
CAPACITYSTARTTIME TYPE STRING,
CAPACITYENDTIME TYPE STRING,
WORKCENTERAVAILABLECAPACITY TYPE STRING,
WORKCENTERCAPRQMTINCAPUNIT TYPE STRING,
WORKCENTERCAPACITYUNIT TYPE STRING,
WORKCENTERCAPUNITTEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_AWCCAPORDER_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_AWCCAPORDER_STR-MANDT sy-vline 
WA_AWCCAPORDER_STR-PLANT sy-vline 
WA_AWCCAPORDER_STR-MRPCONTROLLER sy-vline 
WA_AWCCAPORDER_STR-WORKCENTER sy-vline 
WA_AWCCAPORDER_STR-WORKCENTERTYPECODE sy-vline 
WA_AWCCAPORDER_STR-CAPACITYCATEGORYALLOCATION sy-vline 
WA_AWCCAPORDER_STR-CAPACITYINTERNALID sy-vline 
WA_AWCCAPORDER_STR-MATERIAL sy-vline 
WA_AWCCAPORDER_STR-ORDERID sy-vline 
WA_AWCCAPORDER_STR-OPERATION sy-vline 
WA_AWCCAPORDER_STR-CAPACITYEVALUATIONTIMEPERIOD sy-vline 
WA_AWCCAPORDER_STR-SHIFTNAME sy-vline 
WA_AWCCAPORDER_STR-CAPEVALBUCKETTYPE sy-vline 
WA_AWCCAPORDER_STR-CAPACITYEVALUATIONTIMEPERDTEXT sy-vline 
WA_AWCCAPORDER_STR-FACTORYCALENDAR sy-vline 
WA_AWCCAPORDER_STR-WORKCENTERDESC sy-vline 
WA_AWCCAPORDER_STR-WORKCENTERRESPONSIBLE sy-vline 
WA_AWCCAPORDER_STR-WORKCENTERCATEGORYCODE sy-vline 
WA_AWCCAPORDER_STR-WORKCENTERINTERNALID sy-vline 
WA_AWCCAPORDER_STR-CAPACITYREQUIREMENTORIGIN sy-vline 
WA_AWCCAPORDER_STR-CAPACITYREQUIREMENTUNIT sy-vline 
WA_AWCCAPORDER_STR-ORDERTYPE sy-vline 
WA_AWCCAPORDER_STR-ORDERTYPENAME sy-vline 
WA_AWCCAPORDER_STR-ORDERPLANNEDTOTALQTY sy-vline 
WA_AWCCAPORDER_STR-BASEUNIT sy-vline 
WA_AWCCAPORDER_STR-ORDERCATEGORY sy-vline 
WA_AWCCAPORDER_STR-ORDERCATEGORYNAME sy-vline 
WA_AWCCAPORDER_STR-PRODUCTIONVERSION sy-vline 
WA_AWCCAPORDER_STR-OPERATIONPLANNINGSTATUSTEXT sy-vline 
WA_AWCCAPORDER_STR-OPERATIONPLANNINGSTATUSCODE sy-vline 
WA_AWCCAPORDER_STR-OPERATIONLATESTSTARTDATE sy-vline 
WA_AWCCAPORDER_STR-OPERATIONLATESTSTARTTIME sy-vline 
WA_AWCCAPORDER_STR-OPERATIONLATESTENDDATE sy-vline 
WA_AWCCAPORDER_STR-OPERATIONLATESTENDTIME sy-vline 
WA_AWCCAPORDER_STR-ORDERSTATUSTEXT sy-vline 
WA_AWCCAPORDER_STR-ORDERSTATUSCODE sy-vline 
WA_AWCCAPORDER_STR-ORDERFIRMINGSTATUSCODE sy-vline 
WA_AWCCAPORDER_STR-ORDERFIRMINGSTATUSTEXT sy-vline 
WA_AWCCAPORDER_STR-OPLTSTSCHEDLDPROCGSTRTDTE sy-vline 
WA_AWCCAPORDER_STR-OPLTSTSCHEDLDPROCGSTRTTME sy-vline 
WA_AWCCAPORDER_STR-OPLTSTSCHEDLDTRDWNSTRTDTE sy-vline 
WA_AWCCAPORDER_STR-OPLTSTSCHEDLDTRDWNSTRTTME sy-vline 
WA_AWCCAPORDER_STR-REMAININGCAPREQOPSEGSETUPDURN sy-vline 
WA_AWCCAPORDER_STR-REMAININGCAPREQOPSEGPROCGDURN sy-vline 
WA_AWCCAPORDER_STR-REMAININGCAPREQOPSEGTRDWNDURN sy-vline 
WA_AWCCAPORDER_STR-ORDERINTERNALID sy-vline 
WA_AWCCAPORDER_STR-CAPACITYSTARTTIME sy-vline 
WA_AWCCAPORDER_STR-CAPACITYENDTIME sy-vline 
WA_AWCCAPORDER_STR-WORKCENTERAVAILABLECAPACITY sy-vline 
WA_AWCCAPORDER_STR-WORKCENTERCAPRQMTINCAPUNIT sy-vline 
WA_AWCCAPORDER_STR-WORKCENTERCAPACITYUNIT sy-vline 
WA_AWCCAPORDER_STR-WORKCENTERCAPUNITTEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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