ABAP Select data from SAP table RESCADVPAY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RESCADVPAY
*  INTO TABLE @DATA(IT_RESCADVPAY2).
*--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_RESCADVPAY INDEX 1 INTO DATA(WA_RESCADVPAY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RESCADVPAY>-SCS_PERIOD_GUID = 1.
<RESCADVPAY>-SETTL_GUID = 1.
<RESCADVPAY>-OBJNR = 1.
<RESCADVPAY>-ADD_OBJNR = 1.
<RESCADVPAY>-CONDTYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RESCADVPAY-VALIDTO, sy-vline,
  WA_RESCADVPAY-PARTNER, sy-vline,
  WA_RESCADVPAY-PARTNEROBJNR, sy-vline,
  WA_RESCADVPAY-PROCESSGUID, sy-vline,
  WA_RESCADVPAY-OBJGUID, sy-vline,
  WA_RESCADVPAY-VALIDFROM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RESCADVPAY 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_RESCADVPAY 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_RESCADVPAY INTO WA_RESCADVPAY.


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

*Conversion exit REDAT, internal->external for field VALIDTO
CALL FUNCTION 'CONVERSION_EXIT_REDAT_OUTPUT'
  EXPORTING
    input =                      WA_RESCADVPAY-VALIDTO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RESCADVPAY-VALIDTO.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit EXCRT, internal->external for field CTRATE
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_RESCADVPAY-CTRATE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RESCADVPAY-CTRATE.
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_RESCADVPAY_STR, 
SCS_PERIOD_GUID TYPE STRING,
SETTL_GUID TYPE STRING,
OBJNR TYPE STRING,
ADD_OBJNR TYPE STRING,
CONDTYPE TYPE STRING,
VALIDTO TYPE STRING,
PARTNER TYPE STRING,
PARTNEROBJNR TYPE STRING,
PROCESSGUID TYPE STRING,
OBJGUID TYPE STRING,
VALIDFROM TYPE STRING,
CURRENCY TYPE STRING,
FLOWTYPE TYPE STRING,
TAXTYPE TYPE STRING,
TAXGROUP TYPE STRING,
TXJCD TYPE STRING,
TAXDATE TYPE STRING,
NET_AMOUNT TYPE STRING,
TAX_AMOUNT TYPE STRING,
NET_AMOUNT_PAY TYPE STRING,
TAX_AMOUNT_PAY TYPE STRING,
NET_AMOUNT_EXT TYPE STRING,
TAX_AMOUNT_EXT TYPE STRING,
TERMTYPE TYPE STRING,
TERMNO TYPE STRING,
CONDGUID TYPE STRING,
TERMNOPY TYPE STRING,
CDSPLITNO TYPE STRING,
HASLEGACYDATA TYPE STRING,
PROCESSMODE TYPE STRING,
STATUS TYPE STRING,
CTRULE TYPE STRING,
CTRATE TYPE STRING,
CTFCCURRKEY TYPE STRING,
CTFCNETAMOUNT TYPE STRING,
CTFCTAXAMOUNT TYPE STRING,
CTFCNETAMOUNTPAY TYPE STRING,
CTFCTAXAMOUNTPAY TYPE STRING,
CTFCNETAMOUNTEXT TYPE STRING,
CTFCTAXAMOUNTEXT TYPE STRING,
CTFCPOST TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RESCADVPAY_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_RESCADVPAY_STR-SCS_PERIOD_GUID sy-vline 
WA_RESCADVPAY_STR-SETTL_GUID sy-vline 
WA_RESCADVPAY_STR-OBJNR sy-vline 
WA_RESCADVPAY_STR-ADD_OBJNR sy-vline 
WA_RESCADVPAY_STR-CONDTYPE sy-vline 
WA_RESCADVPAY_STR-VALIDTO sy-vline 
WA_RESCADVPAY_STR-PARTNER sy-vline 
WA_RESCADVPAY_STR-PARTNEROBJNR sy-vline 
WA_RESCADVPAY_STR-PROCESSGUID sy-vline 
WA_RESCADVPAY_STR-OBJGUID sy-vline 
WA_RESCADVPAY_STR-VALIDFROM sy-vline 
WA_RESCADVPAY_STR-CURRENCY sy-vline 
WA_RESCADVPAY_STR-FLOWTYPE sy-vline 
WA_RESCADVPAY_STR-TAXTYPE sy-vline 
WA_RESCADVPAY_STR-TAXGROUP sy-vline 
WA_RESCADVPAY_STR-TXJCD sy-vline 
WA_RESCADVPAY_STR-TAXDATE sy-vline 
WA_RESCADVPAY_STR-NET_AMOUNT sy-vline 
WA_RESCADVPAY_STR-TAX_AMOUNT sy-vline 
WA_RESCADVPAY_STR-NET_AMOUNT_PAY sy-vline 
WA_RESCADVPAY_STR-TAX_AMOUNT_PAY sy-vline 
WA_RESCADVPAY_STR-NET_AMOUNT_EXT sy-vline 
WA_RESCADVPAY_STR-TAX_AMOUNT_EXT sy-vline 
WA_RESCADVPAY_STR-TERMTYPE sy-vline 
WA_RESCADVPAY_STR-TERMNO sy-vline 
WA_RESCADVPAY_STR-CONDGUID sy-vline 
WA_RESCADVPAY_STR-TERMNOPY sy-vline 
WA_RESCADVPAY_STR-CDSPLITNO sy-vline 
WA_RESCADVPAY_STR-HASLEGACYDATA sy-vline 
WA_RESCADVPAY_STR-PROCESSMODE sy-vline 
WA_RESCADVPAY_STR-STATUS sy-vline 
WA_RESCADVPAY_STR-CTRULE sy-vline 
WA_RESCADVPAY_STR-CTRATE sy-vline 
WA_RESCADVPAY_STR-CTFCCURRKEY sy-vline 
WA_RESCADVPAY_STR-CTFCNETAMOUNT sy-vline 
WA_RESCADVPAY_STR-CTFCTAXAMOUNT sy-vline 
WA_RESCADVPAY_STR-CTFCNETAMOUNTPAY sy-vline 
WA_RESCADVPAY_STR-CTFCTAXAMOUNTPAY sy-vline 
WA_RESCADVPAY_STR-CTFCNETAMOUNTEXT sy-vline 
WA_RESCADVPAY_STR-CTFCTAXAMOUNTEXT sy-vline 
WA_RESCADVPAY_STR-CTFCPOST sy-vline      INTO ld_text SEPARATED BY SPACE.

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