ABAP Select data from SAP table IDWT_IE_RCT_PYMNT_NOTFCN into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IDWT_IE_RCT_PYMNT_NOTFCN
*  INTO TABLE @DATA(IT_IDWT_IE_RCT_PYMNT_NOTFCN2).
*--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_IDWT_IE_RCT_PYMNT_NOTFCN INDEX 1 INTO DATA(WA_IDWT_IE_RCT_PYMNT_NOTFCN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IDWT_IE_RCT_PYMNT_NOTFCN>-BUKRS = 1.
<IDWT_IE_RCT_PYMNT_NOTFCN>-IE_BUKRS_TITLE = 1.
<IDWT_IE_RCT_PYMNT_NOTFCN>-IE_BUKRS_NAME1 = 1.
<IDWT_IE_RCT_PYMNT_NOTFCN>-IE_BUKRS_NAME2 = 1.
<IDWT_IE_RCT_PYMNT_NOTFCN>-IE_BUKRS_ADDRESS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IDWT_IE_RCT_PYMNT_NOTFCN-IE_BUKRS_STCEG, sy-vline,
  WA_IDWT_IE_RCT_PYMNT_NOTFCN-IE_BUKRS_SUFFIX, sy-vline,
  WA_IDWT_IE_RCT_PYMNT_NOTFCN-LIFNR, sy-vline,
  WA_IDWT_IE_RCT_PYMNT_NOTFCN-IE_LIFNR_TITLE, sy-vline,
  WA_IDWT_IE_RCT_PYMNT_NOTFCN-IE_LIFNR_NAME1, sy-vline,
  WA_IDWT_IE_RCT_PYMNT_NOTFCN-IE_LIFNR_NAME2, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IDWT_IE_RCT_PYMNT_NOTFCN 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_IDWT_IE_RCT_PYMNT_NOTFCN 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_IDWT_IE_RCT_PYMNT_NOTFCN INTO WA_IDWT_IE_RCT_PYMNT_NOTFCN.


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

*Conversion exit AU132, internal->external for field DMBTR
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_IDWT_IE_RCT_PYMNT_NOTFCN-DMBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDWT_IE_RCT_PYMNT_NOTFCN-DMBTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field IE_DEDUCTION_AMT
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_IDWT_IE_RCT_PYMNT_NOTFCN-IE_DEDUCTION_AMT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDWT_IE_RCT_PYMNT_NOTFCN-IE_DEDUCTION_AMT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field NEBTR
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_IDWT_IE_RCT_PYMNT_NOTFCN-NEBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDWT_IE_RCT_PYMNT_NOTFCN-NEBTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IDWT_IE_RCT_PYMNT_NOTFCN-BELNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDWT_IE_RCT_PYMNT_NOTFCN-BELNR.
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_IDWT_IE_RCT_PYMNT_NOTFCN_STR, 
BUKRS TYPE STRING,
IE_BUKRS_TITLE TYPE STRING,
IE_BUKRS_NAME1 TYPE STRING,
IE_BUKRS_NAME2 TYPE STRING,
IE_BUKRS_ADDRESS TYPE STRING,
IE_BUKRS_STCEG TYPE STRING,
IE_BUKRS_SUFFIX TYPE STRING,
LIFNR TYPE STRING,
IE_LIFNR_TITLE TYPE STRING,
IE_LIFNR_NAME1 TYPE STRING,
IE_LIFNR_NAME2 TYPE STRING,
IE_TAX_NUMBER TYPE STRING,
IE_NOTFN_UPD_TYPE TYPE STRING,
IE_PRD_START_DATE TYPE STRING,
IE_PRD_END_DATE TYPE STRING,
IE_CONTRACT_ID TYPE STRING,
DMBTR TYPE STRING,
QSATZ TYPE STRING,
IE_DEDUCTION_AMT TYPE STRING,
NEBTR TYPE STRING,
IE_POSTPN TYPE STRING,
IE_POSTPN_DATE TYPE STRING,
IE_POSTPN_RATE TYPE STRING,
IE_POSTPN_REASON TYPE STRING,
IE_CARRY_FWD TYPE STRING,
IE_PAYMT_ID TYPE STRING,
BELNR TYPE STRING,
WAERS TYPE STRING,
IE_CONTRACTID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IDWT_IE_RCT_PYMNT_NOTFCN_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_IDWT_IE_RCT_PYMNT_NOTFCN_STR-BUKRS sy-vline 
WA_IDWT_IE_RCT_PYMNT_NOTFCN_STR-IE_BUKRS_TITLE sy-vline 
WA_IDWT_IE_RCT_PYMNT_NOTFCN_STR-IE_BUKRS_NAME1 sy-vline 
WA_IDWT_IE_RCT_PYMNT_NOTFCN_STR-IE_BUKRS_NAME2 sy-vline 
WA_IDWT_IE_RCT_PYMNT_NOTFCN_STR-IE_BUKRS_ADDRESS sy-vline 
WA_IDWT_IE_RCT_PYMNT_NOTFCN_STR-IE_BUKRS_STCEG sy-vline 
WA_IDWT_IE_RCT_PYMNT_NOTFCN_STR-IE_BUKRS_SUFFIX sy-vline 
WA_IDWT_IE_RCT_PYMNT_NOTFCN_STR-LIFNR sy-vline 
WA_IDWT_IE_RCT_PYMNT_NOTFCN_STR-IE_LIFNR_TITLE sy-vline 
WA_IDWT_IE_RCT_PYMNT_NOTFCN_STR-IE_LIFNR_NAME1 sy-vline 
WA_IDWT_IE_RCT_PYMNT_NOTFCN_STR-IE_LIFNR_NAME2 sy-vline 
WA_IDWT_IE_RCT_PYMNT_NOTFCN_STR-IE_TAX_NUMBER sy-vline 
WA_IDWT_IE_RCT_PYMNT_NOTFCN_STR-IE_NOTFN_UPD_TYPE sy-vline 
WA_IDWT_IE_RCT_PYMNT_NOTFCN_STR-IE_PRD_START_DATE sy-vline 
WA_IDWT_IE_RCT_PYMNT_NOTFCN_STR-IE_PRD_END_DATE sy-vline 
WA_IDWT_IE_RCT_PYMNT_NOTFCN_STR-IE_CONTRACT_ID sy-vline 
WA_IDWT_IE_RCT_PYMNT_NOTFCN_STR-DMBTR sy-vline 
WA_IDWT_IE_RCT_PYMNT_NOTFCN_STR-QSATZ sy-vline 
WA_IDWT_IE_RCT_PYMNT_NOTFCN_STR-IE_DEDUCTION_AMT sy-vline 
WA_IDWT_IE_RCT_PYMNT_NOTFCN_STR-NEBTR sy-vline 
WA_IDWT_IE_RCT_PYMNT_NOTFCN_STR-IE_POSTPN sy-vline 
WA_IDWT_IE_RCT_PYMNT_NOTFCN_STR-IE_POSTPN_DATE sy-vline 
WA_IDWT_IE_RCT_PYMNT_NOTFCN_STR-IE_POSTPN_RATE sy-vline 
WA_IDWT_IE_RCT_PYMNT_NOTFCN_STR-IE_POSTPN_REASON sy-vline 
WA_IDWT_IE_RCT_PYMNT_NOTFCN_STR-IE_CARRY_FWD sy-vline 
WA_IDWT_IE_RCT_PYMNT_NOTFCN_STR-IE_PAYMT_ID sy-vline 
WA_IDWT_IE_RCT_PYMNT_NOTFCN_STR-BELNR sy-vline 
WA_IDWT_IE_RCT_PYMNT_NOTFCN_STR-WAERS sy-vline 
WA_IDWT_IE_RCT_PYMNT_NOTFCN_STR-IE_CONTRACTID sy-vline      INTO ld_text SEPARATED BY SPACE.

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