ABAP Select data from SAP table IPPMATERIALPRT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IPPMATERIALPRT
*  INTO TABLE @DATA(IT_IPPMATERIALPRT2).
*--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_IPPMATERIALPRT INDEX 1 INTO DATA(WA_IPPMATERIALPRT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IPPMATERIALPRT>-MANDT = 1.
<IPPMATERIALPRT>-PLANT = 1.
<IPPMATERIALPRT>-MATERIAL = 1.
<IPPMATERIALPRT>-PRODUCT = 1.
<IPPMATERIALPRT>-PRODUCTIONRESOURCETYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IPPMATERIALPRT-PRODUCTIONRESOURCEINTERNALID, sy-vline,
  WA_IPPMATERIALPRT-PRODUCTIONRESOURCETOOLGROUP1, sy-vline,
  WA_IPPMATERIALPRT-PRODUCTIONRESOURCETOOLGROUP2, sy-vline,
  WA_IPPMATERIALPRT-PRODUCTIONRESOURCEUSAGE, sy-vline,
  WA_IPPMATERIALPRT-PRODNRSCETOOLCONTROLPROFILE, sy-vline,
  WA_IPPMATERIALPRT-CHANGENUMBER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IPPMATERIALPRT 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_IPPMATERIALPRT 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_IPPMATERIALPRT INTO WA_IPPMATERIALPRT.


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

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

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

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

*Conversion exit CUNIT, internal->external for field ENDDATEOFFSETDURATIONUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_IPPMATERIALPRT-ENDDATEOFFSETDURATIONUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IPPMATERIALPRT-ENDDATEOFFSETDURATIONUNIT.
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_IPPMATERIALPRT_STR, 
MANDT TYPE STRING,
PLANT TYPE STRING,
MATERIAL TYPE STRING,
PRODUCT TYPE STRING,
PRODUCTIONRESOURCETYPE TYPE STRING,
PRODUCTIONRESOURCEINTERNALID TYPE STRING,
PRODUCTIONRESOURCETOOLGROUP1 TYPE STRING,
PRODUCTIONRESOURCETOOLGROUP2 TYPE STRING,
PRODUCTIONRESOURCEUSAGE TYPE STRING,
PRODNRSCETOOLCONTROLPROFILE TYPE STRING,
CHANGENUMBER TYPE STRING,
PRODNRSCETOOLSTANDARDTEXTCODE TYPE STRING,
PRODNRSCETOOLTOTQTYCALCFORMULA TYPE STRING,
PRODNRSCETOOLUSAGEQTYCALCFMLA TYPE STRING,
STARTDATEOFFSETREFERENCECODE TYPE STRING,
ENDDATEOFFSETREFERENCECODE TYPE STRING,
ENDDATEOFFSETDURNISREFERENCED TYPE STRING,
STARTDATEOFFSTDURNISREFERENCED TYPE STRING,
ENDDTEOFFSTREFCODEISREFERENCED TYPE STRING,
STARTDATEOFFSETREFCODEISREFCD TYPE STRING,
PRTTOTQTYCALCFMLAISREFERENCED TYPE STRING,
PRTUSGEQTYCALCFMLAISREFERENCED TYPE STRING,
PRTCONTROLPROFILEISREFERENCED TYPE STRING,
PRTSTDTEXTCODEISREFERENCED TYPE STRING,
STARTDATEOFFSETDURATION TYPE STRING,
STARTDATEOFFSETDURATIONUNIT TYPE STRING,
ENDDATEOFFSETDURATION TYPE STRING,
ENDDATEOFFSETDURATIONUNIT TYPE STRING,
CREATIONDATE TYPE STRING,
CREATEDBYUSER TYPE STRING,
LASTCHANGEDATE TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IPPMATERIALPRT_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_IPPMATERIALPRT_STR-MANDT sy-vline 
WA_IPPMATERIALPRT_STR-PLANT sy-vline 
WA_IPPMATERIALPRT_STR-MATERIAL sy-vline 
WA_IPPMATERIALPRT_STR-PRODUCT sy-vline 
WA_IPPMATERIALPRT_STR-PRODUCTIONRESOURCETYPE sy-vline 
WA_IPPMATERIALPRT_STR-PRODUCTIONRESOURCEINTERNALID sy-vline 
WA_IPPMATERIALPRT_STR-PRODUCTIONRESOURCETOOLGROUP1 sy-vline 
WA_IPPMATERIALPRT_STR-PRODUCTIONRESOURCETOOLGROUP2 sy-vline 
WA_IPPMATERIALPRT_STR-PRODUCTIONRESOURCEUSAGE sy-vline 
WA_IPPMATERIALPRT_STR-PRODNRSCETOOLCONTROLPROFILE sy-vline 
WA_IPPMATERIALPRT_STR-CHANGENUMBER sy-vline 
WA_IPPMATERIALPRT_STR-PRODNRSCETOOLSTANDARDTEXTCODE sy-vline 
WA_IPPMATERIALPRT_STR-PRODNRSCETOOLTOTQTYCALCFORMULA sy-vline 
WA_IPPMATERIALPRT_STR-PRODNRSCETOOLUSAGEQTYCALCFMLA sy-vline 
WA_IPPMATERIALPRT_STR-STARTDATEOFFSETREFERENCECODE sy-vline 
WA_IPPMATERIALPRT_STR-ENDDATEOFFSETREFERENCECODE sy-vline 
WA_IPPMATERIALPRT_STR-ENDDATEOFFSETDURNISREFERENCED sy-vline 
WA_IPPMATERIALPRT_STR-STARTDATEOFFSTDURNISREFERENCED sy-vline 
WA_IPPMATERIALPRT_STR-ENDDTEOFFSTREFCODEISREFERENCED sy-vline 
WA_IPPMATERIALPRT_STR-STARTDATEOFFSETREFCODEISREFCD sy-vline 
WA_IPPMATERIALPRT_STR-PRTTOTQTYCALCFMLAISREFERENCED sy-vline 
WA_IPPMATERIALPRT_STR-PRTUSGEQTYCALCFMLAISREFERENCED sy-vline 
WA_IPPMATERIALPRT_STR-PRTCONTROLPROFILEISREFERENCED sy-vline 
WA_IPPMATERIALPRT_STR-PRTSTDTEXTCODEISREFERENCED sy-vline 
WA_IPPMATERIALPRT_STR-STARTDATEOFFSETDURATION sy-vline 
WA_IPPMATERIALPRT_STR-STARTDATEOFFSETDURATIONUNIT sy-vline 
WA_IPPMATERIALPRT_STR-ENDDATEOFFSETDURATION sy-vline 
WA_IPPMATERIALPRT_STR-ENDDATEOFFSETDURATIONUNIT sy-vline 
WA_IPPMATERIALPRT_STR-CREATIONDATE sy-vline 
WA_IPPMATERIALPRT_STR-CREATEDBYUSER sy-vline 
WA_IPPMATERIALPRT_STR-LASTCHANGEDATE sy-vline 
WA_IPPMATERIALPRT_STR-LASTCHANGEDBYUSER sy-vline      INTO ld_text SEPARATED BY SPACE.

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