ABAP Select data from SAP table RESCISCOSTOVERVIEW_X into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RESCISCOSTOVERVIEW_X
*  INTO TABLE @DATA(IT_RESCISCOSTOVERVIEW_X2).
*--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_RESCISCOSTOVERVIEW_X INDEX 1 INTO DATA(WA_RESCISCOSTOVERVIEW_X2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RESCISCOSTOVERVIEW_X>-MANDT = 1.
<RESCISCOSTOVERVIEW_X>-SETTL_GUID = 1.
<RESCISCOSTOVERVIEW_X>-SETTL_LEVEL = 1.
<RESCISCOSTOVERVIEW_X>-SETTLOBJ_GUID = 1.
<RESCISCOSTOVERVIEW_X>-COSTACCOUNT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RESCISCOSTOVERVIEW_X-TAXACCOUNT, sy-vline,
  WA_RESCISCOSTOVERVIEW_X-TAXTYPE, sy-vline,
  WA_RESCISCOSTOVERVIEW_X-TAXGROUP, sy-vline,
  WA_RESCISCOSTOVERVIEW_X-COSTGUID, sy-vline,
  WA_RESCISCOSTOVERVIEW_X-OBJTYPE, sy-vline,
  WA_RESCISCOSTOVERVIEW_X-OBJNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RESCISCOSTOVERVIEW_X 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_RESCISCOSTOVERVIEW_X 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_RESCISCOSTOVERVIEW_X INTO WA_RESCISCOSTOVERVIEW_X.


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

*Conversion exit ALPHA, internal->external for field SCKEYGRP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RESCISCOSTOVERVIEW_X-SCKEYGRP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RESCISCOSTOVERVIEW_X-SCKEYGRP.
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_RESCISCOSTOVERVIEW_X_STR, 
MANDT TYPE STRING,
SETTL_GUID TYPE STRING,
SETTL_LEVEL TYPE STRING,
SETTLOBJ_GUID TYPE STRING,
COSTACCOUNT TYPE STRING,
TAXACCOUNT TYPE STRING,
TAXTYPE TYPE STRING,
TAXGROUP TYPE STRING,
COSTGUID TYPE STRING,
OBJTYPE TYPE STRING,
OBJNR TYPE STRING,
CURRENCY TYPE STRING,
NET_AMOUNT TYPE STRING,
TAX_AMOUNT TYPE STRING,
DEDUCT_TAX TYPE STRING,
NONDEDUCT_TAX TYPE STRING,
GROSS_AMOUNT TYPE STRING,
PROCESSID TYPE STRING,
OBJINFO TYPE STRING,
XOBJTYPE TYPE STRING,
XLOBJTYPE TYPE STRING,
OBJID TYPE STRING,
SNKSL TYPE STRING,
XSCKEY TYPE STRING,
XSSCKEY TYPE STRING,
SCKEYGRP TYPE STRING,
XSCKEYGRP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RESCISCOSTOVERVIEW_X_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_RESCISCOSTOVERVIEW_X_STR-MANDT sy-vline 
WA_RESCISCOSTOVERVIEW_X_STR-SETTL_GUID sy-vline 
WA_RESCISCOSTOVERVIEW_X_STR-SETTL_LEVEL sy-vline 
WA_RESCISCOSTOVERVIEW_X_STR-SETTLOBJ_GUID sy-vline 
WA_RESCISCOSTOVERVIEW_X_STR-COSTACCOUNT sy-vline 
WA_RESCISCOSTOVERVIEW_X_STR-TAXACCOUNT sy-vline 
WA_RESCISCOSTOVERVIEW_X_STR-TAXTYPE sy-vline 
WA_RESCISCOSTOVERVIEW_X_STR-TAXGROUP sy-vline 
WA_RESCISCOSTOVERVIEW_X_STR-COSTGUID sy-vline 
WA_RESCISCOSTOVERVIEW_X_STR-OBJTYPE sy-vline 
WA_RESCISCOSTOVERVIEW_X_STR-OBJNR sy-vline 
WA_RESCISCOSTOVERVIEW_X_STR-CURRENCY sy-vline 
WA_RESCISCOSTOVERVIEW_X_STR-NET_AMOUNT sy-vline 
WA_RESCISCOSTOVERVIEW_X_STR-TAX_AMOUNT sy-vline 
WA_RESCISCOSTOVERVIEW_X_STR-DEDUCT_TAX sy-vline 
WA_RESCISCOSTOVERVIEW_X_STR-NONDEDUCT_TAX sy-vline 
WA_RESCISCOSTOVERVIEW_X_STR-GROSS_AMOUNT sy-vline 
WA_RESCISCOSTOVERVIEW_X_STR-PROCESSID sy-vline 
WA_RESCISCOSTOVERVIEW_X_STR-OBJINFO sy-vline 
WA_RESCISCOSTOVERVIEW_X_STR-XOBJTYPE sy-vline 
WA_RESCISCOSTOVERVIEW_X_STR-XLOBJTYPE sy-vline 
WA_RESCISCOSTOVERVIEW_X_STR-OBJID sy-vline 
WA_RESCISCOSTOVERVIEW_X_STR-SNKSL sy-vline 
WA_RESCISCOSTOVERVIEW_X_STR-XSCKEY sy-vline 
WA_RESCISCOSTOVERVIEW_X_STR-XSSCKEY sy-vline 
WA_RESCISCOSTOVERVIEW_X_STR-SCKEYGRP sy-vline 
WA_RESCISCOSTOVERVIEW_X_STR-XSCKEYGRP sy-vline      INTO ld_text SEPARATED BY SPACE.

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