ABAP Select data from SAP table IMPEOAPLNDMATRET into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IMPEOAPLNDMATRET
*  INTO TABLE @DATA(IT_IMPEOAPLNDMATRET2).
*--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_IMPEOAPLNDMATRET INDEX 1 INTO DATA(WA_IMPEOAPLNDMATRET2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IMPEOAPLNDMATRET>-MANDT = 1.
<IMPEOAPLNDMATRET>-OPACTYNTWKINSTANCE = 1.
<IMPEOAPLNDMATRET>-OPACTYNTWKELEMENT = 1.
<IMPEOAPLNDMATRET>-RESERVATION = 1.
<IMPEOAPLNDMATRET>-RESERVATIONITEM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IMPEOAPLNDMATRET-RECORDTYPE, sy-vline,
  WA_IMPEOAPLNDMATRET-MATERIAL, sy-vline,
  WA_IMPEOAPLNDMATRET-PLANT, sy-vline,
  WA_IMPEOAPLNDMATRET-PRODUCTIONPLANT, sy-vline,
  WA_IMPEOAPLNDMATRET-STORAGELOCATION, sy-vline,
  WA_IMPEOAPLNDMATRET-MANUFACTURINGORDER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IMPEOAPLNDMATRET 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_IMPEOAPLNDMATRET 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_IMPEOAPLNDMATRET INTO WA_IMPEOAPLNDMATRET.


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

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

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

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

*Conversion exit NUMCV, internal->external for field BILLOFMATERIAL
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_IMPEOAPLNDMATRET-BILLOFMATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IMPEOAPLNDMATRET-BILLOFMATERIAL.
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_IMPEOAPLNDMATRET_STR, 
MANDT TYPE STRING,
OPACTYNTWKINSTANCE TYPE STRING,
OPACTYNTWKELEMENT TYPE STRING,
RESERVATION TYPE STRING,
RESERVATIONITEM TYPE STRING,
RECORDTYPE TYPE STRING,
MATERIAL TYPE STRING,
PLANT TYPE STRING,
PRODUCTIONPLANT TYPE STRING,
STORAGELOCATION TYPE STRING,
MANUFACTURINGORDER TYPE STRING,
MATERIALISCOPRODUCT TYPE STRING,
MANUFACTURINGORDERITEM TYPE STRING,
ASSEMBLYSEQUENCENUMBER TYPE STRING,
BASEUNIT TYPE STRING,
MFGORDERCOMPONENTUSAGEQUANTITY TYPE STRING,
MFGORDERCOMPONENTUSAGENETQTY TYPE STRING,
ISBULKMATERIALCOMPONENT TYPE STRING,
MATLCOMPISMARKEDFORBACKFLUSH TYPE STRING,
GOODSMOVEMENTISALLOWED TYPE STRING,
MATLCOMPDISCONTINUATIONTYPE TYPE STRING,
MATERIALCOMPONENTOBJECT TYPE STRING,
ORDERINTERNALID TYPE STRING,
ORDEROPERATIONINTERNALID TYPE STRING,
RELATEDRESERVATION TYPE STRING,
RELATEDRESERVATIONITEM TYPE STRING,
RELATEDRECORDTYPE TYPE STRING,
RELATEDOPACTYNTWKINSTANCE TYPE STRING,
RELATEDOPACTYNTWKELEMENT TYPE STRING,
LEADINGRESERVATION TYPE STRING,
LEADINGRESERVATIONITEM TYPE STRING,
LEADINGRESERVATIONRECORDTYPE TYPE STRING,
LEADINGOPACTYNTWKINSTANCE TYPE STRING,
LEADINGOPACTYNTWKELEMENT TYPE STRING,
BILLOFMATERIALCATEGORY TYPE STRING,
BILLOFMATERIALINTERNALID TYPE STRING,
BILLOFMATERIAL TYPE STRING,
BOMITEM TYPE STRING,
BILLOFMATERIALVERSION TYPE STRING,
BOMITEMINTERNALCHANGECOUNT TYPE STRING,
BOMITEMCATEGORY TYPE STRING,
BOOOPBOMITEMINTERNALID TYPE STRING,
LOGICALCOMPONENT TYPE STRING,
MFGREFSTRUCBOMLEAFASSGMTUUID TYPE STRING,
MFGREFSTRUCTUREITEMDETAILUUID TYPE STRING,
MFGREFSTRUCITMDETISCONTEXTUAL TYPE STRING,
MATLCOMPINSTCEASSYISREQUIRED TYPE STRING,
PLANNEDINVENTORYUSABILITYCODE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IMPEOAPLNDMATRET_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_IMPEOAPLNDMATRET_STR-MANDT sy-vline 
WA_IMPEOAPLNDMATRET_STR-OPACTYNTWKINSTANCE sy-vline 
WA_IMPEOAPLNDMATRET_STR-OPACTYNTWKELEMENT sy-vline 
WA_IMPEOAPLNDMATRET_STR-RESERVATION sy-vline 
WA_IMPEOAPLNDMATRET_STR-RESERVATIONITEM sy-vline 
WA_IMPEOAPLNDMATRET_STR-RECORDTYPE sy-vline 
WA_IMPEOAPLNDMATRET_STR-MATERIAL sy-vline 
WA_IMPEOAPLNDMATRET_STR-PLANT sy-vline 
WA_IMPEOAPLNDMATRET_STR-PRODUCTIONPLANT sy-vline 
WA_IMPEOAPLNDMATRET_STR-STORAGELOCATION sy-vline 
WA_IMPEOAPLNDMATRET_STR-MANUFACTURINGORDER sy-vline 
WA_IMPEOAPLNDMATRET_STR-MATERIALISCOPRODUCT sy-vline 
WA_IMPEOAPLNDMATRET_STR-MANUFACTURINGORDERITEM sy-vline 
WA_IMPEOAPLNDMATRET_STR-ASSEMBLYSEQUENCENUMBER sy-vline 
WA_IMPEOAPLNDMATRET_STR-BASEUNIT sy-vline 
WA_IMPEOAPLNDMATRET_STR-MFGORDERCOMPONENTUSAGEQUANTITY sy-vline 
WA_IMPEOAPLNDMATRET_STR-MFGORDERCOMPONENTUSAGENETQTY sy-vline 
WA_IMPEOAPLNDMATRET_STR-ISBULKMATERIALCOMPONENT sy-vline 
WA_IMPEOAPLNDMATRET_STR-MATLCOMPISMARKEDFORBACKFLUSH sy-vline 
WA_IMPEOAPLNDMATRET_STR-GOODSMOVEMENTISALLOWED sy-vline 
WA_IMPEOAPLNDMATRET_STR-MATLCOMPDISCONTINUATIONTYPE sy-vline 
WA_IMPEOAPLNDMATRET_STR-MATERIALCOMPONENTOBJECT sy-vline 
WA_IMPEOAPLNDMATRET_STR-ORDERINTERNALID sy-vline 
WA_IMPEOAPLNDMATRET_STR-ORDEROPERATIONINTERNALID sy-vline 
WA_IMPEOAPLNDMATRET_STR-RELATEDRESERVATION sy-vline 
WA_IMPEOAPLNDMATRET_STR-RELATEDRESERVATIONITEM sy-vline 
WA_IMPEOAPLNDMATRET_STR-RELATEDRECORDTYPE sy-vline 
WA_IMPEOAPLNDMATRET_STR-RELATEDOPACTYNTWKINSTANCE sy-vline 
WA_IMPEOAPLNDMATRET_STR-RELATEDOPACTYNTWKELEMENT sy-vline 
WA_IMPEOAPLNDMATRET_STR-LEADINGRESERVATION sy-vline 
WA_IMPEOAPLNDMATRET_STR-LEADINGRESERVATIONITEM sy-vline 
WA_IMPEOAPLNDMATRET_STR-LEADINGRESERVATIONRECORDTYPE sy-vline 
WA_IMPEOAPLNDMATRET_STR-LEADINGOPACTYNTWKINSTANCE sy-vline 
WA_IMPEOAPLNDMATRET_STR-LEADINGOPACTYNTWKELEMENT sy-vline 
WA_IMPEOAPLNDMATRET_STR-BILLOFMATERIALCATEGORY sy-vline 
WA_IMPEOAPLNDMATRET_STR-BILLOFMATERIALINTERNALID sy-vline 
WA_IMPEOAPLNDMATRET_STR-BILLOFMATERIAL sy-vline 
WA_IMPEOAPLNDMATRET_STR-BOMITEM sy-vline 
WA_IMPEOAPLNDMATRET_STR-BILLOFMATERIALVERSION sy-vline 
WA_IMPEOAPLNDMATRET_STR-BOMITEMINTERNALCHANGECOUNT sy-vline 
WA_IMPEOAPLNDMATRET_STR-BOMITEMCATEGORY sy-vline 
WA_IMPEOAPLNDMATRET_STR-BOOOPBOMITEMINTERNALID sy-vline 
WA_IMPEOAPLNDMATRET_STR-LOGICALCOMPONENT sy-vline 
WA_IMPEOAPLNDMATRET_STR-MFGREFSTRUCBOMLEAFASSGMTUUID sy-vline 
WA_IMPEOAPLNDMATRET_STR-MFGREFSTRUCTUREITEMDETAILUUID sy-vline 
WA_IMPEOAPLNDMATRET_STR-MFGREFSTRUCITMDETISCONTEXTUAL sy-vline 
WA_IMPEOAPLNDMATRET_STR-MATLCOMPINSTCEASSYISREQUIRED sy-vline 
WA_IMPEOAPLNDMATRET_STR-PLANNEDINVENTORYUSABILITYCODE sy-vline      INTO ld_text SEPARATED BY SPACE.

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