ABAP Select data from SAP table PRUMATRCDTMM3 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PRUMATRCDTMM3 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 PRUMATRCDTMM3. 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 PRUMATRCDTMM3 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_PRUMATRCDTMM3 TYPE STANDARD TABLE OF PRUMATRCDTMM3,
      WA_PRUMATRCDTMM3 TYPE PRUMATRCDTMM3,
      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: <PRUMATRCDTMM3> TYPE PRUMATRCDTMM3.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PRUMATRCDTMM3.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PRUMATRCDTMM3
  INTO TABLE IT_PRUMATRCDTMM3.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PRUMATRCDTMM3
*  INTO TABLE @DATA(IT_PRUMATRCDTMM32).
*--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_PRUMATRCDTMM3 INDEX 1 INTO DATA(WA_PRUMATRCDTMM32).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PRUMATRCDTMM3 ASSIGNING <PRUMATRCDTMM3>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PRUMATRCDTMM3>-MANDT = 1.
<PRUMATRCDTMM3>-COMPANYCODE = 1.
<PRUMATRCDTMM3>-ACCOUNTINGDOCUMENT = 1.
<PRUMATRCDTMM3>-FISCALYEAR = 1.
<PRUMATRCDTMM3>-DOCUMENTDATE = 1.

ENDLOOP.

LOOP AT IT_PRUMATRCDTMM3 INTO WA_PRUMATRCDTMM3.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PRUMATRCDTMM3-POSTINGDATE, sy-vline,
  WA_PRUMATRCDTMM3-ISREVERSAL, sy-vline,
  WA_PRUMATRCDTMM3-ISREVERSED, sy-vline,
  WA_PRUMATRCDTMM3-PURCHASINGDOCUMENT, sy-vline,
  WA_PRUMATRCDTMM3-PURCHASINGDOCUMENTITEM, sy-vline,
  WA_PRUMATRCDTMM3-PURCHASINGDOCUMENTITEMCATEGORY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PRUMATRCDTMM3 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_PRUMATRCDTMM3 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_PRUMATRCDTMM3 INTO WA_PRUMATRCDTMM3.


*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 ALPHA, internal->external for field ACCOUNTINGDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PRUMATRCDTMM3-ACCOUNTINGDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRUMATRCDTMM3-ACCOUNTINGDOCUMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field FISCALYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PRUMATRCDTMM3-FISCALYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRUMATRCDTMM3-FISCALYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PURCHASINGDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PRUMATRCDTMM3-PURCHASINGDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRUMATRCDTMM3-PURCHASINGDOCUMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field IR_MATERIALDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PRUMATRCDTMM3-IR_MATERIALDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRUMATRCDTMM3-IR_MATERIALDOCUMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field IR_MATERIALDOCUMENTYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PRUMATRCDTMM3-IR_MATERIALDOCUMENTYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRUMATRCDTMM3-IR_MATERIALDOCUMENTYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field GR_MATERIALDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PRUMATRCDTMM3-GR_MATERIALDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRUMATRCDTMM3-GR_MATERIALDOCUMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field GR_MATERIALDOCUMENTYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PRUMATRCDTMM3-GR_MATERIALDOCUMENTYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRUMATRCDTMM3-GR_MATERIALDOCUMENTYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field IR_REFERENCEDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PRUMATRCDTMM3-IR_REFERENCEDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRUMATRCDTMM3-IR_REFERENCEDOCUMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field IR_REFERENCEDOCUMENTFISCALYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PRUMATRCDTMM3-IR_REFERENCEDOCUMENTFISCALYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRUMATRCDTMM3-IR_REFERENCEDOCUMENTFISCALYEAR.
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_PRUMATRCDTMM3_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
ACCOUNTINGDOCUMENT TYPE STRING,
FISCALYEAR TYPE STRING,
DOCUMENTDATE TYPE STRING,
POSTINGDATE TYPE STRING,
ISREVERSAL TYPE STRING,
ISREVERSED TYPE STRING,
PURCHASINGDOCUMENT TYPE STRING,
PURCHASINGDOCUMENTITEM TYPE STRING,
PURCHASINGDOCUMENTITEMCATEGORY TYPE STRING,
GOODSRECEIPTISEXPECTED TYPE STRING,
INVOICEISGOODSRECEIPTBASED TYPE STRING,
IR_MATERIALDOCUMENT TYPE STRING,
IR_MATERIALDOCUMENTYEAR TYPE STRING,
IR_MATERIALDOCUMENTITEM TYPE STRING,
IR_PURCHASEORDERHISTCATEGORY TYPE STRING,
GR_MATERIALDOCUMENT TYPE STRING,
GR_MATERIALDOCUMENTYEAR TYPE STRING,
GR_MATERIALDOCUMENTITEM TYPE STRING,
GR_PURCHASEORDERHISTCATEGORY TYPE STRING,
GR_POSTINGDATE TYPE STRING,
IR_REFERENCEDOCUMENT TYPE STRING,
IR_REFERENCEDOCUMENTFISCALYEAR TYPE STRING,
IR_REFERENCEDOCUMENTITEM TYPE STRING,
SOURCETYPE TYPE STRING,
MATERIALDOCUMENTPOSTINGDATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PRUMATRCDTMM3_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_PRUMATRCDTMM3_STR-MANDT sy-vline 
WA_PRUMATRCDTMM3_STR-COMPANYCODE sy-vline 
WA_PRUMATRCDTMM3_STR-ACCOUNTINGDOCUMENT sy-vline 
WA_PRUMATRCDTMM3_STR-FISCALYEAR sy-vline 
WA_PRUMATRCDTMM3_STR-DOCUMENTDATE sy-vline 
WA_PRUMATRCDTMM3_STR-POSTINGDATE sy-vline 
WA_PRUMATRCDTMM3_STR-ISREVERSAL sy-vline 
WA_PRUMATRCDTMM3_STR-ISREVERSED sy-vline 
WA_PRUMATRCDTMM3_STR-PURCHASINGDOCUMENT sy-vline 
WA_PRUMATRCDTMM3_STR-PURCHASINGDOCUMENTITEM sy-vline 
WA_PRUMATRCDTMM3_STR-PURCHASINGDOCUMENTITEMCATEGORY sy-vline 
WA_PRUMATRCDTMM3_STR-GOODSRECEIPTISEXPECTED sy-vline 
WA_PRUMATRCDTMM3_STR-INVOICEISGOODSRECEIPTBASED sy-vline 
WA_PRUMATRCDTMM3_STR-IR_MATERIALDOCUMENT sy-vline 
WA_PRUMATRCDTMM3_STR-IR_MATERIALDOCUMENTYEAR sy-vline 
WA_PRUMATRCDTMM3_STR-IR_MATERIALDOCUMENTITEM sy-vline 
WA_PRUMATRCDTMM3_STR-IR_PURCHASEORDERHISTCATEGORY sy-vline 
WA_PRUMATRCDTMM3_STR-GR_MATERIALDOCUMENT sy-vline 
WA_PRUMATRCDTMM3_STR-GR_MATERIALDOCUMENTYEAR sy-vline 
WA_PRUMATRCDTMM3_STR-GR_MATERIALDOCUMENTITEM sy-vline 
WA_PRUMATRCDTMM3_STR-GR_PURCHASEORDERHISTCATEGORY sy-vline 
WA_PRUMATRCDTMM3_STR-GR_POSTINGDATE sy-vline 
WA_PRUMATRCDTMM3_STR-IR_REFERENCEDOCUMENT sy-vline 
WA_PRUMATRCDTMM3_STR-IR_REFERENCEDOCUMENTFISCALYEAR sy-vline 
WA_PRUMATRCDTMM3_STR-IR_REFERENCEDOCUMENTITEM sy-vline 
WA_PRUMATRCDTMM3_STR-SOURCETYPE sy-vline 
WA_PRUMATRCDTMM3_STR-MATERIALDOCUMENTPOSTINGDATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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