ABAP Select data from SAP table RERA_DOC_AMOUNT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RERA_DOC_AMOUNT
*  INTO TABLE @DATA(IT_RERA_DOC_AMOUNT2).
*--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_RERA_DOC_AMOUNT INDEX 1 INTO DATA(WA_RERA_DOC_AMOUNT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RERA_DOC_AMOUNT>-AMOUNT = 1.
<RERA_DOC_AMOUNT>-GROSSAMOUNT = 1.
<RERA_DOC_AMOUNT>-NETAMOUNT = 1.
<RERA_DOC_AMOUNT>-TAXAMOUNT = 1.
<RERA_DOC_AMOUNT>-CURRENCY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RERA_DOC_AMOUNT-CTLCAMOUNT, sy-vline,
  WA_RERA_DOC_AMOUNT-CTLCGROSSAMOUNT, sy-vline,
  WA_RERA_DOC_AMOUNT-CTLCNETAMOUNT, sy-vline,
  WA_RERA_DOC_AMOUNT-CTLCTAXAMOUNT, sy-vline,
  WA_RERA_DOC_AMOUNT-CTLCCURRKEY, sy-vline,
  WA_RERA_DOC_AMOUNT-CTFCAMOUNT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RERA_DOC_AMOUNT 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_RERA_DOC_AMOUNT 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_RERA_DOC_AMOUNT INTO WA_RERA_DOC_AMOUNT.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_RERA_DOC_AMOUNT_STR, 
AMOUNT TYPE STRING,
GROSSAMOUNT TYPE STRING,
NETAMOUNT TYPE STRING,
TAXAMOUNT TYPE STRING,
CURRENCY TYPE STRING,
CTLCAMOUNT TYPE STRING,
CTLCGROSSAMOUNT TYPE STRING,
CTLCNETAMOUNT TYPE STRING,
CTLCTAXAMOUNT TYPE STRING,
CTLCCURRKEY TYPE STRING,
CTFCAMOUNT TYPE STRING,
CTFCGROSSAMOUNT TYPE STRING,
CTFCNETAMOUNT TYPE STRING,
CTFCTAXAMOUNT TYPE STRING,
CTFCCURRKEY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RERA_DOC_AMOUNT_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_RERA_DOC_AMOUNT_STR-AMOUNT sy-vline 
WA_RERA_DOC_AMOUNT_STR-GROSSAMOUNT sy-vline 
WA_RERA_DOC_AMOUNT_STR-NETAMOUNT sy-vline 
WA_RERA_DOC_AMOUNT_STR-TAXAMOUNT sy-vline 
WA_RERA_DOC_AMOUNT_STR-CURRENCY sy-vline 
WA_RERA_DOC_AMOUNT_STR-CTLCAMOUNT sy-vline 
WA_RERA_DOC_AMOUNT_STR-CTLCGROSSAMOUNT sy-vline 
WA_RERA_DOC_AMOUNT_STR-CTLCNETAMOUNT sy-vline 
WA_RERA_DOC_AMOUNT_STR-CTLCTAXAMOUNT sy-vline 
WA_RERA_DOC_AMOUNT_STR-CTLCCURRKEY sy-vline 
WA_RERA_DOC_AMOUNT_STR-CTFCAMOUNT sy-vline 
WA_RERA_DOC_AMOUNT_STR-CTFCGROSSAMOUNT sy-vline 
WA_RERA_DOC_AMOUNT_STR-CTFCNETAMOUNT sy-vline 
WA_RERA_DOC_AMOUNT_STR-CTFCTAXAMOUNT sy-vline 
WA_RERA_DOC_AMOUNT_STR-CTFCCURRKEY sy-vline      INTO ld_text SEPARATED BY SPACE.

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