ABAP Select data from SAP table MMPUR_OUTLINE_AGRMT_HDRX into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MMPUR_OUTLINE_AGRMT_HDRX
*  INTO TABLE @DATA(IT_MMPUR_OUTLINE_AGRMT_HDRX2).
*--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_MMPUR_OUTLINE_AGRMT_HDRX INDEX 1 INTO DATA(WA_MMPUR_OUTLINE_AGRMT_HDRX2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MMPUR_OUTLINE_AGRMT_HDRX>-PURCHASINGDOCUMENT = 1.
<MMPUR_OUTLINE_AGRMT_HDRX>-COMPANYCODE = 1.
<MMPUR_OUTLINE_AGRMT_HDRX>-PURCHASINGDOCUMENTTYPE = 1.
<MMPUR_OUTLINE_AGRMT_HDRX>-PURCHASINGDOCUMENTDELETIONCODE = 1.
<MMPUR_OUTLINE_AGRMT_HDRX>-PURCHASINGDOCUMENTORIGIN = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MMPUR_OUTLINE_AGRMT_HDRX-CREATIONDATE, sy-vline,
  WA_MMPUR_OUTLINE_AGRMT_HDRX-CREATEDBYUSER, sy-vline,
  WA_MMPUR_OUTLINE_AGRMT_HDRX-ITEMNUMBERINTERVAL, sy-vline,
  WA_MMPUR_OUTLINE_AGRMT_HDRX-SUPPLIER, sy-vline,
  WA_MMPUR_OUTLINE_AGRMT_HDRX-LANGUAGE, sy-vline,
  WA_MMPUR_OUTLINE_AGRMT_HDRX-PAYMENTTERMS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MMPUR_OUTLINE_AGRMT_HDRX 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_MMPUR_OUTLINE_AGRMT_HDRX 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_MMPUR_OUTLINE_AGRMT_HDRX INTO WA_MMPUR_OUTLINE_AGRMT_HDRX.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_MMPUR_OUTLINE_AGRMT_HDRX_STR, 
PURCHASINGDOCUMENT TYPE STRING,
COMPANYCODE TYPE STRING,
PURCHASINGDOCUMENTTYPE TYPE STRING,
PURCHASINGDOCUMENTDELETIONCODE TYPE STRING,
PURCHASINGDOCUMENTORIGIN TYPE STRING,
CREATIONDATE TYPE STRING,
CREATEDBYUSER TYPE STRING,
ITEMNUMBERINTERVAL TYPE STRING,
SUPPLIER TYPE STRING,
LANGUAGE TYPE STRING,
PAYMENTTERMS TYPE STRING,
CASHDISCOUNT1DAYS TYPE STRING,
CASHDISCOUNT2DAYS TYPE STRING,
PURGOUTLINEAGRMTCSHDISC3DAYS TYPE STRING,
CASHDISCOUNT1PERCENT TYPE STRING,
CASHDISCOUNT2PERCENT TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
PURCHASINGGROUP TYPE STRING,
DOCUMENTCURRENCY TYPE STRING,
EXCHANGERATE TYPE STRING,
EXCHANGERATEISFIXED TYPE STRING,
PURCHASINGDOCUMENTORDERDATE TYPE STRING,
VALIDITYSTARTDATE TYPE STRING,
VALIDITYENDDATE TYPE STRING,
SUPPLIERQUOTATIONEXTERNALID TYPE STRING,
QUOTATIONSUBMISSIONDATE TYPE STRING,
CORRESPNCEXTERNALREFERENCE TYPE STRING,
SUPPLIERRESPSALESPERSONNAME TYPE STRING,
SUPPLIERPHONENUMBER TYPE STRING,
SUPPLYINGSUPPLIER TYPE STRING,
CUSTOMER TYPE STRING,
PURCHASECONTRACT TYPE STRING,
INDGOODSRECEIPTMESSAGE TYPE STRING,
SUPPLYINGPLANT TYPE STRING,
INCOTERMSCLASSIFICATION TYPE STRING,
INCOTERMSTRANSFERLOCATION TYPE STRING,
TARGETAMOUNT TYPE STRING,
RFQCOLLECTIVENUMBER TYPE STRING,
INVOICINGPARTY TYPE STRING,
CORRESPNCINTERNALREFERENCE TYPE STRING,
LOGICALSYSTEM TYPE STRING,
ITEMNUMBERINTERVALFORSUBITEMS TYPE STRING,
RELEASECODE TYPE STRING,
PURGRELEASESEQUENCESTATUS TYPE STRING,
PURGREASONFORDOCCANCELLATION TYPE STRING,
PURCHASINGPROCESSINGSTATUS TYPE STRING,
PURGDOCHASTMEDEPDNTCNDN TYPE STRING,
RETENTIONTYPE TYPE STRING,
PURGOUTLINEAGRMTRETENTIONPCT TYPE STRING,
INCOTERMSVERSION TYPE STRING,
INCOTERMSLOCATION1 TYPE STRING,
INCOTERMSLOCATION2 TYPE STRING,
PURGDOCEXTERNALREFERENCE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MMPUR_OUTLINE_AGRMT_HDRX_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_MMPUR_OUTLINE_AGRMT_HDRX_STR-PURCHASINGDOCUMENT sy-vline 
WA_MMPUR_OUTLINE_AGRMT_HDRX_STR-COMPANYCODE sy-vline 
WA_MMPUR_OUTLINE_AGRMT_HDRX_STR-PURCHASINGDOCUMENTTYPE sy-vline 
WA_MMPUR_OUTLINE_AGRMT_HDRX_STR-PURCHASINGDOCUMENTDELETIONCODE sy-vline 
WA_MMPUR_OUTLINE_AGRMT_HDRX_STR-PURCHASINGDOCUMENTORIGIN sy-vline 
WA_MMPUR_OUTLINE_AGRMT_HDRX_STR-CREATIONDATE sy-vline 
WA_MMPUR_OUTLINE_AGRMT_HDRX_STR-CREATEDBYUSER sy-vline 
WA_MMPUR_OUTLINE_AGRMT_HDRX_STR-ITEMNUMBERINTERVAL sy-vline 
WA_MMPUR_OUTLINE_AGRMT_HDRX_STR-SUPPLIER sy-vline 
WA_MMPUR_OUTLINE_AGRMT_HDRX_STR-LANGUAGE sy-vline 
WA_MMPUR_OUTLINE_AGRMT_HDRX_STR-PAYMENTTERMS sy-vline 
WA_MMPUR_OUTLINE_AGRMT_HDRX_STR-CASHDISCOUNT1DAYS sy-vline 
WA_MMPUR_OUTLINE_AGRMT_HDRX_STR-CASHDISCOUNT2DAYS sy-vline 
WA_MMPUR_OUTLINE_AGRMT_HDRX_STR-PURGOUTLINEAGRMTCSHDISC3DAYS sy-vline 
WA_MMPUR_OUTLINE_AGRMT_HDRX_STR-CASHDISCOUNT1PERCENT sy-vline 
WA_MMPUR_OUTLINE_AGRMT_HDRX_STR-CASHDISCOUNT2PERCENT sy-vline 
WA_MMPUR_OUTLINE_AGRMT_HDRX_STR-PURCHASINGORGANIZATION sy-vline 
WA_MMPUR_OUTLINE_AGRMT_HDRX_STR-PURCHASINGGROUP sy-vline 
WA_MMPUR_OUTLINE_AGRMT_HDRX_STR-DOCUMENTCURRENCY sy-vline 
WA_MMPUR_OUTLINE_AGRMT_HDRX_STR-EXCHANGERATE sy-vline 
WA_MMPUR_OUTLINE_AGRMT_HDRX_STR-EXCHANGERATEISFIXED sy-vline 
WA_MMPUR_OUTLINE_AGRMT_HDRX_STR-PURCHASINGDOCUMENTORDERDATE sy-vline 
WA_MMPUR_OUTLINE_AGRMT_HDRX_STR-VALIDITYSTARTDATE sy-vline 
WA_MMPUR_OUTLINE_AGRMT_HDRX_STR-VALIDITYENDDATE sy-vline 
WA_MMPUR_OUTLINE_AGRMT_HDRX_STR-SUPPLIERQUOTATIONEXTERNALID sy-vline 
WA_MMPUR_OUTLINE_AGRMT_HDRX_STR-QUOTATIONSUBMISSIONDATE sy-vline 
WA_MMPUR_OUTLINE_AGRMT_HDRX_STR-CORRESPNCEXTERNALREFERENCE sy-vline 
WA_MMPUR_OUTLINE_AGRMT_HDRX_STR-SUPPLIERRESPSALESPERSONNAME sy-vline 
WA_MMPUR_OUTLINE_AGRMT_HDRX_STR-SUPPLIERPHONENUMBER sy-vline 
WA_MMPUR_OUTLINE_AGRMT_HDRX_STR-SUPPLYINGSUPPLIER sy-vline 
WA_MMPUR_OUTLINE_AGRMT_HDRX_STR-CUSTOMER sy-vline 
WA_MMPUR_OUTLINE_AGRMT_HDRX_STR-PURCHASECONTRACT sy-vline 
WA_MMPUR_OUTLINE_AGRMT_HDRX_STR-INDGOODSRECEIPTMESSAGE sy-vline 
WA_MMPUR_OUTLINE_AGRMT_HDRX_STR-SUPPLYINGPLANT sy-vline 
WA_MMPUR_OUTLINE_AGRMT_HDRX_STR-INCOTERMSCLASSIFICATION sy-vline 
WA_MMPUR_OUTLINE_AGRMT_HDRX_STR-INCOTERMSTRANSFERLOCATION sy-vline 
WA_MMPUR_OUTLINE_AGRMT_HDRX_STR-TARGETAMOUNT sy-vline 
WA_MMPUR_OUTLINE_AGRMT_HDRX_STR-RFQCOLLECTIVENUMBER sy-vline 
WA_MMPUR_OUTLINE_AGRMT_HDRX_STR-INVOICINGPARTY sy-vline 
WA_MMPUR_OUTLINE_AGRMT_HDRX_STR-CORRESPNCINTERNALREFERENCE sy-vline 
WA_MMPUR_OUTLINE_AGRMT_HDRX_STR-LOGICALSYSTEM sy-vline 
WA_MMPUR_OUTLINE_AGRMT_HDRX_STR-ITEMNUMBERINTERVALFORSUBITEMS sy-vline 
WA_MMPUR_OUTLINE_AGRMT_HDRX_STR-RELEASECODE sy-vline 
WA_MMPUR_OUTLINE_AGRMT_HDRX_STR-PURGRELEASESEQUENCESTATUS sy-vline 
WA_MMPUR_OUTLINE_AGRMT_HDRX_STR-PURGREASONFORDOCCANCELLATION sy-vline 
WA_MMPUR_OUTLINE_AGRMT_HDRX_STR-PURCHASINGPROCESSINGSTATUS sy-vline 
WA_MMPUR_OUTLINE_AGRMT_HDRX_STR-PURGDOCHASTMEDEPDNTCNDN sy-vline 
WA_MMPUR_OUTLINE_AGRMT_HDRX_STR-RETENTIONTYPE sy-vline 
WA_MMPUR_OUTLINE_AGRMT_HDRX_STR-PURGOUTLINEAGRMTRETENTIONPCT sy-vline 
WA_MMPUR_OUTLINE_AGRMT_HDRX_STR-INCOTERMSVERSION sy-vline 
WA_MMPUR_OUTLINE_AGRMT_HDRX_STR-INCOTERMSLOCATION1 sy-vline 
WA_MMPUR_OUTLINE_AGRMT_HDRX_STR-INCOTERMSLOCATION2 sy-vline 
WA_MMPUR_OUTLINE_AGRMT_HDRX_STR-PURGDOCEXTERNALREFERENCE sy-vline      INTO ld_text SEPARATED BY SPACE.

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