ABAP Select data from SAP table PMATCSHFLWCNDN into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PMATCSHFLWCNDN
*  INTO TABLE @DATA(IT_PMATCSHFLWCNDN2).
*--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_PMATCSHFLWCNDN INDEX 1 INTO DATA(WA_PMATCSHFLWCNDN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PMATCSHFLWCNDN>-MANDT = 1.
<PMATCSHFLWCNDN>-COMPANYCODE = 1.
<PMATCSHFLWCNDN>-FINANCIALTRANSACTION = 1.
<PMATCSHFLWCNDN>-SECURITYACCOUNT = 1.
<PMATCSHFLWCNDN>-SECURITYCLASS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PMATCSHFLWCNDN-FIXEDVARIABLEINTERESTRATECAT, sy-vline,
  WA_PMATCSHFLWCNDN-TRSYCSHFLOWDEBTINVMTCODE, sy-vline,
  WA_PMATCSHFLWCNDN-PAYMENTDATE, sy-vline,
  WA_PMATCSHFLWCNDN-REFERENCEINTERESTRATE, sy-vline,
  WA_PMATCSHFLWCNDN-INTERESTRATEINPERCENT, sy-vline,
  WA_PMATCSHFLWCNDN-FINANCIALINSTRPRODUCTCATEGORY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PMATCSHFLWCNDN 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_PMATCSHFLWCNDN 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_PMATCSHFLWCNDN INTO WA_PMATCSHFLWCNDN.


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

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

*Conversion exit ALPHA, internal->external for field COUNTERPARTY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PMATCSHFLWCNDN-COUNTERPARTY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PMATCSHFLWCNDN-COUNTERPARTY.
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_PMATCSHFLWCNDN_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
FINANCIALTRANSACTION TYPE STRING,
SECURITYACCOUNT TYPE STRING,
SECURITYCLASS TYPE STRING,
FIXEDVARIABLEINTERESTRATECAT TYPE STRING,
TRSYCSHFLOWDEBTINVMTCODE TYPE STRING,
PAYMENTDATE TYPE STRING,
REFERENCEINTERESTRATE TYPE STRING,
INTERESTRATEINPERCENT TYPE STRING,
FINANCIALINSTRPRODUCTCATEGORY TYPE STRING,
FINANCIALINSTRUMENTPRODUCTTYPE TYPE STRING,
FINANCIALINSTRTRANSACTIONTYPE TYPE STRING,
COUNTERPARTY TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
DIFFERENTIATIONPORTFOLIO TYPE STRING,
TERMSTARTDATE TYPE STRING,
TERMENDDATE TYPE STRING,
SECURITYACCOUNTGROUP TYPE STRING,
CONDITIONISMANUALLYDTMND TYPE STRING,
NOMINALAMOUNTINNOMINALCURRENCY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PMATCSHFLWCNDN_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_PMATCSHFLWCNDN_STR-MANDT sy-vline 
WA_PMATCSHFLWCNDN_STR-COMPANYCODE sy-vline 
WA_PMATCSHFLWCNDN_STR-FINANCIALTRANSACTION sy-vline 
WA_PMATCSHFLWCNDN_STR-SECURITYACCOUNT sy-vline 
WA_PMATCSHFLWCNDN_STR-SECURITYCLASS sy-vline 
WA_PMATCSHFLWCNDN_STR-FIXEDVARIABLEINTERESTRATECAT sy-vline 
WA_PMATCSHFLWCNDN_STR-TRSYCSHFLOWDEBTINVMTCODE sy-vline 
WA_PMATCSHFLWCNDN_STR-PAYMENTDATE sy-vline 
WA_PMATCSHFLWCNDN_STR-REFERENCEINTERESTRATE sy-vline 
WA_PMATCSHFLWCNDN_STR-INTERESTRATEINPERCENT sy-vline 
WA_PMATCSHFLWCNDN_STR-FINANCIALINSTRPRODUCTCATEGORY sy-vline 
WA_PMATCSHFLWCNDN_STR-FINANCIALINSTRUMENTPRODUCTTYPE sy-vline 
WA_PMATCSHFLWCNDN_STR-FINANCIALINSTRTRANSACTIONTYPE sy-vline 
WA_PMATCSHFLWCNDN_STR-COUNTERPARTY sy-vline 
WA_PMATCSHFLWCNDN_STR-TRANSACTIONCURRENCY sy-vline 
WA_PMATCSHFLWCNDN_STR-DIFFERENTIATIONPORTFOLIO sy-vline 
WA_PMATCSHFLWCNDN_STR-TERMSTARTDATE sy-vline 
WA_PMATCSHFLWCNDN_STR-TERMENDDATE sy-vline 
WA_PMATCSHFLWCNDN_STR-SECURITYACCOUNTGROUP sy-vline 
WA_PMATCSHFLWCNDN_STR-CONDITIONISMANUALLYDTMND sy-vline 
WA_PMATCSHFLWCNDN_STR-NOMINALAMOUNTINNOMINALCURRENCY sy-vline      INTO ld_text SEPARATED BY SPACE.

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