ABAP Select data from SAP table IMPESFILTMECU into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IMPESFILTMECU
*  INTO TABLE @DATA(IT_IMPESFILTMECU2).
*--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_IMPESFILTMECU INDEX 1 INTO DATA(WA_IMPESFILTMECU2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IMPESFILTMECU>-MANDT = 1.
<IMPESFILTMECU>-SHOPFLOORITEM = 1.
<IMPESFILTMECU>-OPERATIONACTIVITY = 1.
<IMPESFILTMECU>-OPACTYNTWKINSTANCE = 1.
<IMPESFILTMECU>-OPERATIONACTYVERSIONCOUNTER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IMPESFILTMECU-MATERIAL, sy-vline,
  WA_IMPESFILTMECU-MANUFACTURINGORDER, sy-vline,
  WA_IMPESFILTMECU-MANUFACTURINGORDERITEM, sy-vline,
  WA_IMPESFILTMECU-OPERATION, sy-vline,
  WA_IMPESFILTMECU-OPERATIONTEXT, sy-vline,
  WA_IMPESFILTMECU-WORKCENTER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IMPESFILTMECU 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_IMPESFILTMECU 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_IMPESFILTMECU INTO WA_IMPESFILTMECU.


*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_IMPESFILTMECU-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IMPESFILTMECU-MATERIAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field MANUFACTURINGORDER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IMPESFILTMECU-MANUFACTURINGORDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IMPESFILTMECU-MANUFACTURINGORDER.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit GERNR, internal->external for field SERIALNUMBER
CALL FUNCTION 'CONVERSION_EXIT_GERNR_OUTPUT'
  EXPORTING
    input =                      WA_IMPESFILTMECU-SERIALNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IMPESFILTMECU-SERIALNUMBER.
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_IMPESFILTMECU_STR, 
MANDT TYPE STRING,
SHOPFLOORITEM TYPE STRING,
OPERATIONACTIVITY TYPE STRING,
OPACTYNTWKINSTANCE TYPE STRING,
OPERATIONACTYVERSIONCOUNTER TYPE STRING,
MATERIAL TYPE STRING,
MANUFACTURINGORDER TYPE STRING,
MANUFACTURINGORDERITEM TYPE STRING,
OPERATION TYPE STRING,
OPERATIONTEXT TYPE STRING,
WORKCENTER TYPE STRING,
PLANT TYPE STRING,
WORKCENTERTYPECODE TYPE STRING,
WORKCENTERINTERNALID TYPE STRING,
WORKCENTERCATEGORYCODE TYPE STRING,
SHOPFLOORITEMEXTERNALID TYPE STRING,
LEADTIMEUNIT TYPE STRING,
DURATIONUNIT TYPE STRING,
OVERALLPRODUCTIONTIMEUNIT TYPE STRING,
PROCESSINGTIMEINSECONDS TYPE STRING,
QUEUETIMEINSECONDS TYPE STRING,
TIMEPAUSEDINSECONDS TYPE STRING,
TIMEONHOLDINSECONDS TYPE STRING,
TIMEINBUYOFFINSECONDS TYPE STRING,
OVRLPRODUCTIONTIMEINSECONDS TYPE STRING,
LEADTIMEINSECONDS TYPE STRING,
MAXPROCESSINGTIMEINSECONDS TYPE STRING,
MAXQUEUETIMEINSECONDS TYPE STRING,
MAXTIMEPAUSEDINSECONDS TYPE STRING,
MAXTIMEONHOLDINSECONDS TYPE STRING,
MAXTIMEINBUYOFFINSECONDS TYPE STRING,
OVERALLPRODUCTIONTIME TYPE STRING,
MRPAREA TYPE STRING,
PRODUCTIONPLANT TYPE STRING,
SERIALNUMBER TYPE STRING,
OPERATIONACTIVITYNETWORK TYPE STRING,
OPACTYNTWKVERSIONCOUNTER TYPE STRING,
OPACTYNTWKELEMENT TYPE STRING,
OPACTYNTWKELEMENTELEMENT TYPE STRING,
OPACTYNTWKELEMENTELMNTVERSCNTR TYPE STRING,
OPACTYNTWKELEMENTTYPE TYPE STRING,
ORDERINTBILLOFOPERATIONSITEM TYPE STRING,
ORDERINTERNALBILLOFOPERATIONS TYPE STRING,
ORDEROPERATIONINTERNALID TYPE STRING,
ENTRYDATEWEEK TYPE STRING,
ENTRYDATEMONTH TYPE STRING,
ENTRYDATEYEAR TYPE STRING,
ENTRYDATEYEARMONTH TYPE STRING,
REPORTINGPERIOD TYPE STRING,
CREATIONDATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IMPESFILTMECU_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_IMPESFILTMECU_STR-MANDT sy-vline 
WA_IMPESFILTMECU_STR-SHOPFLOORITEM sy-vline 
WA_IMPESFILTMECU_STR-OPERATIONACTIVITY sy-vline 
WA_IMPESFILTMECU_STR-OPACTYNTWKINSTANCE sy-vline 
WA_IMPESFILTMECU_STR-OPERATIONACTYVERSIONCOUNTER sy-vline 
WA_IMPESFILTMECU_STR-MATERIAL sy-vline 
WA_IMPESFILTMECU_STR-MANUFACTURINGORDER sy-vline 
WA_IMPESFILTMECU_STR-MANUFACTURINGORDERITEM sy-vline 
WA_IMPESFILTMECU_STR-OPERATION sy-vline 
WA_IMPESFILTMECU_STR-OPERATIONTEXT sy-vline 
WA_IMPESFILTMECU_STR-WORKCENTER sy-vline 
WA_IMPESFILTMECU_STR-PLANT sy-vline 
WA_IMPESFILTMECU_STR-WORKCENTERTYPECODE sy-vline 
WA_IMPESFILTMECU_STR-WORKCENTERINTERNALID sy-vline 
WA_IMPESFILTMECU_STR-WORKCENTERCATEGORYCODE sy-vline 
WA_IMPESFILTMECU_STR-SHOPFLOORITEMEXTERNALID sy-vline 
WA_IMPESFILTMECU_STR-LEADTIMEUNIT sy-vline 
WA_IMPESFILTMECU_STR-DURATIONUNIT sy-vline 
WA_IMPESFILTMECU_STR-OVERALLPRODUCTIONTIMEUNIT sy-vline 
WA_IMPESFILTMECU_STR-PROCESSINGTIMEINSECONDS sy-vline 
WA_IMPESFILTMECU_STR-QUEUETIMEINSECONDS sy-vline 
WA_IMPESFILTMECU_STR-TIMEPAUSEDINSECONDS sy-vline 
WA_IMPESFILTMECU_STR-TIMEONHOLDINSECONDS sy-vline 
WA_IMPESFILTMECU_STR-TIMEINBUYOFFINSECONDS sy-vline 
WA_IMPESFILTMECU_STR-OVRLPRODUCTIONTIMEINSECONDS sy-vline 
WA_IMPESFILTMECU_STR-LEADTIMEINSECONDS sy-vline 
WA_IMPESFILTMECU_STR-MAXPROCESSINGTIMEINSECONDS sy-vline 
WA_IMPESFILTMECU_STR-MAXQUEUETIMEINSECONDS sy-vline 
WA_IMPESFILTMECU_STR-MAXTIMEPAUSEDINSECONDS sy-vline 
WA_IMPESFILTMECU_STR-MAXTIMEONHOLDINSECONDS sy-vline 
WA_IMPESFILTMECU_STR-MAXTIMEINBUYOFFINSECONDS sy-vline 
WA_IMPESFILTMECU_STR-OVERALLPRODUCTIONTIME sy-vline 
WA_IMPESFILTMECU_STR-MRPAREA sy-vline 
WA_IMPESFILTMECU_STR-PRODUCTIONPLANT sy-vline 
WA_IMPESFILTMECU_STR-SERIALNUMBER sy-vline 
WA_IMPESFILTMECU_STR-OPERATIONACTIVITYNETWORK sy-vline 
WA_IMPESFILTMECU_STR-OPACTYNTWKVERSIONCOUNTER sy-vline 
WA_IMPESFILTMECU_STR-OPACTYNTWKELEMENT sy-vline 
WA_IMPESFILTMECU_STR-OPACTYNTWKELEMENTELEMENT sy-vline 
WA_IMPESFILTMECU_STR-OPACTYNTWKELEMENTELMNTVERSCNTR sy-vline 
WA_IMPESFILTMECU_STR-OPACTYNTWKELEMENTTYPE sy-vline 
WA_IMPESFILTMECU_STR-ORDERINTBILLOFOPERATIONSITEM sy-vline 
WA_IMPESFILTMECU_STR-ORDERINTERNALBILLOFOPERATIONS sy-vline 
WA_IMPESFILTMECU_STR-ORDEROPERATIONINTERNALID sy-vline 
WA_IMPESFILTMECU_STR-ENTRYDATEWEEK sy-vline 
WA_IMPESFILTMECU_STR-ENTRYDATEMONTH sy-vline 
WA_IMPESFILTMECU_STR-ENTRYDATEYEAR sy-vline 
WA_IMPESFILTMECU_STR-ENTRYDATEYEARMONTH sy-vline 
WA_IMPESFILTMECU_STR-REPORTINGPERIOD sy-vline 
WA_IMPESFILTMECU_STR-CREATIONDATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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