ABAP Select data from SAP table PSTLMNTDOCOVW into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PSTLMNTDOCOVW
*  INTO TABLE @DATA(IT_PSTLMNTDOCOVW2).
*--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_PSTLMNTDOCOVW INDEX 1 INTO DATA(WA_PSTLMNTDOCOVW2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PSTLMNTDOCOVW>-MANDT = 1.
<PSTLMNTDOCOVW>-SETTLEMENTDOCGROUPUUID = 1.
<PSTLMNTDOCOVW>-SETTLEMENTGROUPID = 1.
<PSTLMNTDOCOVW>-SETTLEMENTFISCALYEAR = 1.
<PSTLMNTDOCOVW>-SETTLMTDOC = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PSTLMNTDOCOVW-SETTLEMENTDOCHEADERUUID, sy-vline,
  WA_PSTLMNTDOCOVW-SETTLEMENTAMOUNT, sy-vline,
  WA_PSTLMNTDOCOVW-SETTLEMENTAMOUNTCURRENCY, sy-vline,
  WA_PSTLMNTDOCOVW-ABDNUMBER, sy-vline,
  WA_PSTLMNTDOCOVW-SETTLEMENTSCENARIO, sy-vline,
  WA_PSTLMNTDOCOVW-THRESHOLDPERCENTAGE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PSTLMNTDOCOVW 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_PSTLMNTDOCOVW 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_PSTLMNTDOCOVW INTO WA_PSTLMNTDOCOVW.


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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field TRADINGCONTRACTNUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PSTLMNTDOCOVW-TRADINGCONTRACTNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSTLMNTDOCOVW-TRADINGCONTRACTNUMBER.
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_PSTLMNTDOCOVW_STR, 
MANDT TYPE STRING,
SETTLEMENTDOCGROUPUUID TYPE STRING,
SETTLEMENTGROUPID TYPE STRING,
SETTLEMENTFISCALYEAR TYPE STRING,
SETTLMTDOC TYPE STRING,
SETTLEMENTDOCHEADERUUID TYPE STRING,
SETTLEMENTAMOUNT TYPE STRING,
SETTLEMENTAMOUNTCURRENCY TYPE STRING,
ABDNUMBER TYPE STRING,
SETTLEMENTSCENARIO TYPE STRING,
THRESHOLDPERCENTAGE TYPE STRING,
DPQSINSETTLEMENTINDICATOR TYPE STRING,
SETTLMTDOCCAT TYPE STRING,
COUNTERPARTY TYPE STRING,
SIDE TYPE STRING,
COMPANYCODE TYPE STRING,
CONTRACTPLANT TYPE STRING,
STOPSETTLEMENTISRELEASE TYPE STRING,
REFERENCEVENDOR TYPE STRING,
CUSTOMERNUM TYPE STRING,
SETTLEMENTSTATUSOBJECT TYPE STRING,
REFERENCEDOCUMENTNUMBER TYPE STRING,
APPLICATIONDOCUMENT TYPE STRING,
CONTRACTAPPLICATIONDOCUMENT TYPE STRING,
PREDECESSORDOCUMENTNUMBER TYPE STRING,
ACMPREDECESSORDOCUMENTNUMBER TYPE STRING,
SALESORDER TYPE STRING,
PURCHASEORDER TYPE STRING,
APPLICATIONDOCAPPLIEDDATE TYPE STRING,
LOADDATACAPTUREOBJID TYPE STRING,
LDCID TYPE STRING,
CONTRACTNUM TYPE STRING,
TRADINGCONTRACT TYPE STRING,
TRADINGCONTRACTNUMBER TYPE STRING,
TRADINGCONTRACTITEM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PSTLMNTDOCOVW_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_PSTLMNTDOCOVW_STR-MANDT sy-vline 
WA_PSTLMNTDOCOVW_STR-SETTLEMENTDOCGROUPUUID sy-vline 
WA_PSTLMNTDOCOVW_STR-SETTLEMENTGROUPID sy-vline 
WA_PSTLMNTDOCOVW_STR-SETTLEMENTFISCALYEAR sy-vline 
WA_PSTLMNTDOCOVW_STR-SETTLMTDOC sy-vline 
WA_PSTLMNTDOCOVW_STR-SETTLEMENTDOCHEADERUUID sy-vline 
WA_PSTLMNTDOCOVW_STR-SETTLEMENTAMOUNT sy-vline 
WA_PSTLMNTDOCOVW_STR-SETTLEMENTAMOUNTCURRENCY sy-vline 
WA_PSTLMNTDOCOVW_STR-ABDNUMBER sy-vline 
WA_PSTLMNTDOCOVW_STR-SETTLEMENTSCENARIO sy-vline 
WA_PSTLMNTDOCOVW_STR-THRESHOLDPERCENTAGE sy-vline 
WA_PSTLMNTDOCOVW_STR-DPQSINSETTLEMENTINDICATOR sy-vline 
WA_PSTLMNTDOCOVW_STR-SETTLMTDOCCAT sy-vline 
WA_PSTLMNTDOCOVW_STR-COUNTERPARTY sy-vline 
WA_PSTLMNTDOCOVW_STR-SIDE sy-vline 
WA_PSTLMNTDOCOVW_STR-COMPANYCODE sy-vline 
WA_PSTLMNTDOCOVW_STR-CONTRACTPLANT sy-vline 
WA_PSTLMNTDOCOVW_STR-STOPSETTLEMENTISRELEASE sy-vline 
WA_PSTLMNTDOCOVW_STR-REFERENCEVENDOR sy-vline 
WA_PSTLMNTDOCOVW_STR-CUSTOMERNUM sy-vline 
WA_PSTLMNTDOCOVW_STR-SETTLEMENTSTATUSOBJECT sy-vline 
WA_PSTLMNTDOCOVW_STR-REFERENCEDOCUMENTNUMBER sy-vline 
WA_PSTLMNTDOCOVW_STR-APPLICATIONDOCUMENT sy-vline 
WA_PSTLMNTDOCOVW_STR-CONTRACTAPPLICATIONDOCUMENT sy-vline 
WA_PSTLMNTDOCOVW_STR-PREDECESSORDOCUMENTNUMBER sy-vline 
WA_PSTLMNTDOCOVW_STR-ACMPREDECESSORDOCUMENTNUMBER sy-vline 
WA_PSTLMNTDOCOVW_STR-SALESORDER sy-vline 
WA_PSTLMNTDOCOVW_STR-PURCHASEORDER sy-vline 
WA_PSTLMNTDOCOVW_STR-APPLICATIONDOCAPPLIEDDATE sy-vline 
WA_PSTLMNTDOCOVW_STR-LOADDATACAPTUREOBJID sy-vline 
WA_PSTLMNTDOCOVW_STR-LDCID sy-vline 
WA_PSTLMNTDOCOVW_STR-CONTRACTNUM sy-vline 
WA_PSTLMNTDOCOVW_STR-TRADINGCONTRACT sy-vline 
WA_PSTLMNTDOCOVW_STR-TRADINGCONTRACTNUMBER sy-vline 
WA_PSTLMNTDOCOVW_STR-TRADINGCONTRACTITEM sy-vline      INTO ld_text SEPARATED BY SPACE.

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