ABAP Select data from SAP table RERA_GUI_CLEARING_L into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RERA_GUI_CLEARING_L 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_GUI_CLEARING_L. 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_GUI_CLEARING_L 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_GUI_CLEARING_L TYPE STANDARD TABLE OF RERA_GUI_CLEARING_L,
      WA_RERA_GUI_CLEARING_L TYPE RERA_GUI_CLEARING_L,
      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_GUI_CLEARING_L> TYPE RERA_GUI_CLEARING_L.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RERA_GUI_CLEARING_L
*  INTO TABLE @DATA(IT_RERA_GUI_CLEARING_L2).
*--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_GUI_CLEARING_L INDEX 1 INTO DATA(WA_RERA_GUI_CLEARING_L2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RERA_GUI_CLEARING_L>-OBJNR = 1.
<RERA_GUI_CLEARING_L>-DOCITEMID = 1.
<RERA_GUI_CLEARING_L>-REFDOCTYPE = 1.
<RERA_GUI_CLEARING_L>-REFDOCID = 1.
<RERA_GUI_CLEARING_L>-REFITEMNO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RERA_GUI_CLEARING_L-LOGSYSTEM, sy-vline,
  WA_RERA_GUI_CLEARING_L-REFGUID, sy-vline,
  WA_RERA_GUI_CLEARING_L-CUSTOMER, sy-vline,
  WA_RERA_GUI_CLEARING_L-PARTNER, sy-vline,
  WA_RERA_GUI_CLEARING_L-BUKRS, sy-vline,
  WA_RERA_GUI_CLEARING_L-CONTRACT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RERA_GUI_CLEARING_L 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_GUI_CLEARING_L 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_GUI_CLEARING_L INTO WA_RERA_GUI_CLEARING_L.


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

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

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

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

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

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

*Conversion exit GJAHR, internal->external for field INVREFYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_RERA_GUI_CLEARING_L-INVREFYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RERA_GUI_CLEARING_L-INVREFYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SWENR, internal->external for field BENOCN
CALL FUNCTION 'CONVERSION_EXIT_SWENR_OUTPUT'
  EXPORTING
    input =                      WA_RERA_GUI_CLEARING_L-BENOCN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RERA_GUI_CLEARING_L-BENOCN.
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_RERA_GUI_CLEARING_L_STR, 
OBJNR TYPE STRING,
DOCITEMID TYPE STRING,
REFDOCTYPE TYPE STRING,
REFDOCID TYPE STRING,
REFITEMNO TYPE STRING,
LOGSYSTEM TYPE STRING,
REFGUID TYPE STRING,
CUSTOMER TYPE STRING,
PARTNER TYPE STRING,
BUKRS TYPE STRING,
CONTRACT TYPE STRING,
PYMTMETH TYPE STRING,
PYMTTERM TYPE STRING,
PYMTBLOCK TYPE STRING,
FLOWTYPE TYPE STRING,
DCINDICATOR TYPE STRING,
SPLGIND TYPE STRING,
PSTNGDATE TYPE STRING,
PSTNGPERIOD TYPE STRING,
CLEARINGDATE TYPE STRING,
CLRDOCID TYPE STRING,
CLEARNGPROCESSID TYPE STRING,
DOCDATE TYPE STRING,
DOCTYPE TYPE STRING,
BLINEDATE TYPE STRING,
HOUSEBKID TYPE STRING,
HOUSEBKACC TYPE STRING,
BANKDETAILID TYPE STRING,
TAXTYPE TYPE STRING,
TAXGROUP TYPE STRING,
TXJCD TYPE STRING,
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,
EXTREF1 TYPE STRING,
EXTREF2 TYPE STRING,
EXTREF3 TYPE STRING,
EXTREF4 TYPE STRING,
INVREFNUMBER TYPE STRING,
INVREFYEAR TYPE STRING,
INVREFITEM TYPE STRING,
XMACCTSHEETITEM TYPE STRING,
XMACCTSHEETHDR TYPE STRING,
XIDENTOBJNR TYPE STRING,
XFLOWTYPE TYPE STRING,
BENOCN TYPE STRING,
RESPONSIBLE TYPE STRING,
XNAME TYPE STRING,
RECNTYPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RERA_GUI_CLEARING_L_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_GUI_CLEARING_L_STR-OBJNR sy-vline 
WA_RERA_GUI_CLEARING_L_STR-DOCITEMID sy-vline 
WA_RERA_GUI_CLEARING_L_STR-REFDOCTYPE sy-vline 
WA_RERA_GUI_CLEARING_L_STR-REFDOCID sy-vline 
WA_RERA_GUI_CLEARING_L_STR-REFITEMNO sy-vline 
WA_RERA_GUI_CLEARING_L_STR-LOGSYSTEM sy-vline 
WA_RERA_GUI_CLEARING_L_STR-REFGUID sy-vline 
WA_RERA_GUI_CLEARING_L_STR-CUSTOMER sy-vline 
WA_RERA_GUI_CLEARING_L_STR-PARTNER sy-vline 
WA_RERA_GUI_CLEARING_L_STR-BUKRS sy-vline 
WA_RERA_GUI_CLEARING_L_STR-CONTRACT sy-vline 
WA_RERA_GUI_CLEARING_L_STR-PYMTMETH sy-vline 
WA_RERA_GUI_CLEARING_L_STR-PYMTTERM sy-vline 
WA_RERA_GUI_CLEARING_L_STR-PYMTBLOCK sy-vline 
WA_RERA_GUI_CLEARING_L_STR-FLOWTYPE sy-vline 
WA_RERA_GUI_CLEARING_L_STR-DCINDICATOR sy-vline 
WA_RERA_GUI_CLEARING_L_STR-SPLGIND sy-vline 
WA_RERA_GUI_CLEARING_L_STR-PSTNGDATE sy-vline 
WA_RERA_GUI_CLEARING_L_STR-PSTNGPERIOD sy-vline 
WA_RERA_GUI_CLEARING_L_STR-CLEARINGDATE sy-vline 
WA_RERA_GUI_CLEARING_L_STR-CLRDOCID sy-vline 
WA_RERA_GUI_CLEARING_L_STR-CLEARNGPROCESSID sy-vline 
WA_RERA_GUI_CLEARING_L_STR-DOCDATE sy-vline 
WA_RERA_GUI_CLEARING_L_STR-DOCTYPE sy-vline 
WA_RERA_GUI_CLEARING_L_STR-BLINEDATE sy-vline 
WA_RERA_GUI_CLEARING_L_STR-HOUSEBKID sy-vline 
WA_RERA_GUI_CLEARING_L_STR-HOUSEBKACC sy-vline 
WA_RERA_GUI_CLEARING_L_STR-BANKDETAILID sy-vline 
WA_RERA_GUI_CLEARING_L_STR-TAXTYPE sy-vline 
WA_RERA_GUI_CLEARING_L_STR-TAXGROUP sy-vline 
WA_RERA_GUI_CLEARING_L_STR-TXJCD sy-vline 
WA_RERA_GUI_CLEARING_L_STR-AMOUNT sy-vline 
WA_RERA_GUI_CLEARING_L_STR-GROSSAMOUNT sy-vline 
WA_RERA_GUI_CLEARING_L_STR-NETAMOUNT sy-vline 
WA_RERA_GUI_CLEARING_L_STR-TAXAMOUNT sy-vline 
WA_RERA_GUI_CLEARING_L_STR-CURRENCY sy-vline 
WA_RERA_GUI_CLEARING_L_STR-CTLCAMOUNT sy-vline 
WA_RERA_GUI_CLEARING_L_STR-CTLCGROSSAMOUNT sy-vline 
WA_RERA_GUI_CLEARING_L_STR-CTLCNETAMOUNT sy-vline 
WA_RERA_GUI_CLEARING_L_STR-CTLCTAXAMOUNT sy-vline 
WA_RERA_GUI_CLEARING_L_STR-CTLCCURRKEY sy-vline 
WA_RERA_GUI_CLEARING_L_STR-CTFCAMOUNT sy-vline 
WA_RERA_GUI_CLEARING_L_STR-CTFCGROSSAMOUNT sy-vline 
WA_RERA_GUI_CLEARING_L_STR-CTFCNETAMOUNT sy-vline 
WA_RERA_GUI_CLEARING_L_STR-CTFCTAXAMOUNT sy-vline 
WA_RERA_GUI_CLEARING_L_STR-CTFCCURRKEY sy-vline 
WA_RERA_GUI_CLEARING_L_STR-EXTREF1 sy-vline 
WA_RERA_GUI_CLEARING_L_STR-EXTREF2 sy-vline 
WA_RERA_GUI_CLEARING_L_STR-EXTREF3 sy-vline 
WA_RERA_GUI_CLEARING_L_STR-EXTREF4 sy-vline 
WA_RERA_GUI_CLEARING_L_STR-INVREFNUMBER sy-vline 
WA_RERA_GUI_CLEARING_L_STR-INVREFYEAR sy-vline 
WA_RERA_GUI_CLEARING_L_STR-INVREFITEM sy-vline 
WA_RERA_GUI_CLEARING_L_STR-XMACCTSHEETITEM sy-vline 
WA_RERA_GUI_CLEARING_L_STR-XMACCTSHEETHDR sy-vline 
WA_RERA_GUI_CLEARING_L_STR-XIDENTOBJNR sy-vline 
WA_RERA_GUI_CLEARING_L_STR-XFLOWTYPE sy-vline 
WA_RERA_GUI_CLEARING_L_STR-BENOCN sy-vline 
WA_RERA_GUI_CLEARING_L_STR-RESPONSIBLE sy-vline 
WA_RERA_GUI_CLEARING_L_STR-XNAME sy-vline 
WA_RERA_GUI_CLEARING_L_STR-RECNTYPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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