ABAP Select data from SAP table PMMPCPRCVAR1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PMMPCPRCVAR1 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 PMMPCPRCVAR1. 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 PMMPCPRCVAR1 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_PMMPCPRCVAR1 TYPE STANDARD TABLE OF PMMPCPRCVAR1,
      WA_PMMPCPRCVAR1 TYPE PMMPCPRCVAR1,
      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: <PMMPCPRCVAR1> TYPE PMMPCPRCVAR1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PMMPCPRCVAR1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PMMPCPRCVAR1
  INTO TABLE IT_PMMPCPRCVAR1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PMMPCPRCVAR1
*  INTO TABLE @DATA(IT_PMMPCPRCVAR12).
*--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_PMMPCPRCVAR1 INDEX 1 INTO DATA(WA_PMMPCPRCVAR12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PMMPCPRCVAR1 ASSIGNING <PMMPCPRCVAR1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PMMPCPRCVAR1>-MANDT = 1.
<PMMPCPRCVAR1>-PURCHASECONTRACT = 1.
<PMMPCPRCVAR1>-PURCHASECONTRACTITEM = 1.
<PMMPCPRCVAR1>-CHANGEDOCUMENT = 1.
<PMMPCPRCVAR1>-CREATIONDATE = 1.

ENDLOOP.

LOOP AT IT_PMMPCPRCVAR1 INTO WA_PMMPCPRCVAR1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PMMPCPRCVAR1-PURCHASINGORGANIZATION, sy-vline,
  WA_PMMPCPRCVAR1-PURCHASINGGROUP, sy-vline,
  WA_PMMPCPRCVAR1-SUPPLIER, sy-vline,
  WA_PMMPCPRCVAR1-COMPANYCODE, sy-vline,
  WA_PMMPCPRCVAR1-MATERIAL, sy-vline,
  WA_PMMPCPRCVAR1-MATERIALGROUP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PMMPCPRCVAR1 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_PMMPCPRCVAR1 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_PMMPCPRCVAR1 INTO WA_PMMPCPRCVAR1.


*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 PURCHASECONTRACT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PMMPCPRCVAR1-PURCHASECONTRACT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PMMPCPRCVAR1-PURCHASECONTRACT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CHANGEDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PMMPCPRCVAR1-CHANGEDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PMMPCPRCVAR1-CHANGEDOCUMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SUPPLIER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PMMPCPRCVAR1-SUPPLIER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PMMPCPRCVAR1-SUPPLIER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_PMMPCPRCVAR1-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PMMPCPRCVAR1-MATERIAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PURCHASINGCATEGORY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PMMPCPRCVAR1-PURCHASINGCATEGORY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PMMPCPRCVAR1-PURCHASINGCATEGORY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ORDERQUANTITYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PMMPCPRCVAR1-ORDERQUANTITYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PMMPCPRCVAR1-ORDERQUANTITYUNIT.
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_PMMPCPRCVAR1_STR, 
MANDT TYPE STRING,
PURCHASECONTRACT TYPE STRING,
PURCHASECONTRACTITEM TYPE STRING,
CHANGEDOCUMENT TYPE STRING,
CREATIONDATE TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
PURCHASINGGROUP TYPE STRING,
SUPPLIER TYPE STRING,
COMPANYCODE TYPE STRING,
MATERIAL TYPE STRING,
MATERIALGROUP TYPE STRING,
PLANT TYPE STRING,
PURCHASINGCATEGORY TYPE STRING,
CONTRACTCURRENCY TYPE STRING,
CURRENCY TYPE STRING,
DOCUMENTCURRENCY TYPE STRING,
DOCUMENTCHANGEDATE TYPE STRING,
CONTRACTNETPRICEAMOUNT TYPE STRING,
ORDERQUANTITYUNIT TYPE STRING,
TARGETQUANTITY TYPE STRING,
TARGETAMOUNT TYPE STRING,
ISDOCUMENTCHANGED TYPE STRING,
NUMBEROFCHANGES TYPE STRING,
NUMBEROFPRICECHANGES TYPE STRING,
TOTALNUMBEROFCHANGES TYPE STRING,
PRODUCTSEASONYEAR TYPE STRING,
PRODUCTSEASON TYPE STRING,
PRODUCTCOLLECTION TYPE STRING,
PRODUCTTHEME TYPE STRING,
STOCKSEGMENT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PMMPCPRCVAR1_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_PMMPCPRCVAR1_STR-MANDT sy-vline 
WA_PMMPCPRCVAR1_STR-PURCHASECONTRACT sy-vline 
WA_PMMPCPRCVAR1_STR-PURCHASECONTRACTITEM sy-vline 
WA_PMMPCPRCVAR1_STR-CHANGEDOCUMENT sy-vline 
WA_PMMPCPRCVAR1_STR-CREATIONDATE sy-vline 
WA_PMMPCPRCVAR1_STR-PURCHASINGORGANIZATION sy-vline 
WA_PMMPCPRCVAR1_STR-PURCHASINGGROUP sy-vline 
WA_PMMPCPRCVAR1_STR-SUPPLIER sy-vline 
WA_PMMPCPRCVAR1_STR-COMPANYCODE sy-vline 
WA_PMMPCPRCVAR1_STR-MATERIAL sy-vline 
WA_PMMPCPRCVAR1_STR-MATERIALGROUP sy-vline 
WA_PMMPCPRCVAR1_STR-PLANT sy-vline 
WA_PMMPCPRCVAR1_STR-PURCHASINGCATEGORY sy-vline 
WA_PMMPCPRCVAR1_STR-CONTRACTCURRENCY sy-vline 
WA_PMMPCPRCVAR1_STR-CURRENCY sy-vline 
WA_PMMPCPRCVAR1_STR-DOCUMENTCURRENCY sy-vline 
WA_PMMPCPRCVAR1_STR-DOCUMENTCHANGEDATE sy-vline 
WA_PMMPCPRCVAR1_STR-CONTRACTNETPRICEAMOUNT sy-vline 
WA_PMMPCPRCVAR1_STR-ORDERQUANTITYUNIT sy-vline 
WA_PMMPCPRCVAR1_STR-TARGETQUANTITY sy-vline 
WA_PMMPCPRCVAR1_STR-TARGETAMOUNT sy-vline 
WA_PMMPCPRCVAR1_STR-ISDOCUMENTCHANGED sy-vline 
WA_PMMPCPRCVAR1_STR-NUMBEROFCHANGES sy-vline 
WA_PMMPCPRCVAR1_STR-NUMBEROFPRICECHANGES sy-vline 
WA_PMMPCPRCVAR1_STR-TOTALNUMBEROFCHANGES sy-vline 
WA_PMMPCPRCVAR1_STR-PRODUCTSEASONYEAR sy-vline 
WA_PMMPCPRCVAR1_STR-PRODUCTSEASON sy-vline 
WA_PMMPCPRCVAR1_STR-PRODUCTCOLLECTION sy-vline 
WA_PMMPCPRCVAR1_STR-PRODUCTTHEME sy-vline 
WA_PMMPCPRCVAR1_STR-STOCKSEGMENT sy-vline      INTO ld_text SEPARATED BY SPACE.

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