ABAP Select data from SAP table RERA_DOC_EX 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_EX 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_EX. 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_EX 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_EX TYPE STANDARD TABLE OF RERA_DOC_EX,
      WA_RERA_DOC_EX TYPE RERA_DOC_EX,
      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_EX> TYPE RERA_DOC_EX.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RERA_DOC_EX
*  INTO TABLE @DATA(IT_RERA_DOC_EX2).
*--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_EX INDEX 1 INTO DATA(WA_RERA_DOC_EX2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RERA_DOC_EX>-MANDT = 1.
<RERA_DOC_EX>-DOCGUID = 1.
<RERA_DOC_EX>-PSTNGPROCEDURE = 1.
<RERA_DOC_EX>-PROCESS = 1.
<RERA_DOC_EX>-PROCESSGUID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RERA_DOC_EX-PROCESSID, sy-vline,
  WA_RERA_DOC_EX-FISC_YEAR, sy-vline,
  WA_RERA_DOC_EX-PSTNGPERIOD, sy-vline,
  WA_RERA_DOC_EX-PSTNGDATE, sy-vline,
  WA_RERA_DOC_EX-DOCDATE, sy-vline,
  WA_RERA_DOC_EX-ACCSYSTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RERA_DOC_EX 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_EX 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_EX INTO WA_RERA_DOC_EX.


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

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

*Conversion exit EXCRT, internal->external for field CTRATE
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_RERA_DOC_EX-CTRATE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RERA_DOC_EX-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_RERA_DOC_EX_STR, 
MANDT TYPE STRING,
DOCGUID TYPE STRING,
PSTNGPROCEDURE TYPE STRING,
PROCESS TYPE STRING,
PROCESSGUID TYPE STRING,
PROCESSID TYPE STRING,
FISC_YEAR TYPE STRING,
PSTNGPERIOD TYPE STRING,
PSTNGDATE TYPE STRING,
DOCDATE TYPE STRING,
ACCSYSTYPE TYPE STRING,
REFDOCID TYPE STRING,
LOGSYSTEM TYPE STRING,
REVID TYPE STRING,
REVDOCGUID TYPE STRING,
STATUS TYPE STRING,
TAXID TYPE STRING,
HASGLACCSYMB TYPE STRING,
REFERENCEDOCGUID TYPE STRING,
RERF TYPE STRING,
DERF TYPE STRING,
TERF TYPE STRING,
REHER TYPE STRING,
RBEAR TYPE STRING,
DBEAR TYPE STRING,
TBEAR TYPE STRING,
RBHER TYPE STRING,
FDELETE TYPE STRING,
CTRULE TYPE STRING,
CTRATE TYPE STRING,
POSTCDCURR TYPE STRING,
CTDATEREQ TYPE STRING,
CTDATEACT TYPE STRING,
CTFCCURRKEY TYPE STRING,
DOCSTATUS TYPE STRING,
SECONDDOCGUID TYPE STRING,
SPLITDOCGUID TYPE STRING,
CERULE TYPE STRING,
ACCPRINCIPLE TYPE STRING,
CEDOCTYPE TYPE STRING,
BUKRS TYPE STRING,
HEADERTXT TYPE STRING,
DOCTYPE TYPE STRING,
EXTREFERENCENO TYPE STRING,
NAME TYPE STRING,
NAME_2 TYPE STRING,
NAME_3 TYPE STRING,
NAME_4 TYPE STRING,
POSTL_CODE TYPE STRING,
CITY TYPE STRING,
COUNTRY TYPE STRING,
COUNTRY_ISO TYPE STRING,
STREET TYPE STRING,
PO_BOX TYPE STRING,
POBX_PCD TYPE STRING,
POBK_CURAC TYPE STRING,
BANK_ACCT TYPE STRING,
BANK_NO TYPE STRING,
BANK_CTRY TYPE STRING,
BANK_CTRY_ISO TYPE STRING,
TAX_NO_1 TYPE STRING,
TAX_NO_2 TYPE STRING,
TAX TYPE STRING,
EQUAL_TAX TYPE STRING,
REGION TYPE STRING,
CTRL_KEY TYPE STRING,
INSTR_KEY TYPE STRING,
DME_IND TYPE STRING,
LANGU_ISO TYPE STRING,
IBAN TYPE STRING,
SWIFT_CODE TYPE STRING,
IBAN_ICON TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RERA_DOC_EX_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_EX_STR-MANDT sy-vline 
WA_RERA_DOC_EX_STR-DOCGUID sy-vline 
WA_RERA_DOC_EX_STR-PSTNGPROCEDURE sy-vline 
WA_RERA_DOC_EX_STR-PROCESS sy-vline 
WA_RERA_DOC_EX_STR-PROCESSGUID sy-vline 
WA_RERA_DOC_EX_STR-PROCESSID sy-vline 
WA_RERA_DOC_EX_STR-FISC_YEAR sy-vline 
WA_RERA_DOC_EX_STR-PSTNGPERIOD sy-vline 
WA_RERA_DOC_EX_STR-PSTNGDATE sy-vline 
WA_RERA_DOC_EX_STR-DOCDATE sy-vline 
WA_RERA_DOC_EX_STR-ACCSYSTYPE sy-vline 
WA_RERA_DOC_EX_STR-REFDOCID sy-vline 
WA_RERA_DOC_EX_STR-LOGSYSTEM sy-vline 
WA_RERA_DOC_EX_STR-REVID sy-vline 
WA_RERA_DOC_EX_STR-REVDOCGUID sy-vline 
WA_RERA_DOC_EX_STR-STATUS sy-vline 
WA_RERA_DOC_EX_STR-TAXID sy-vline 
WA_RERA_DOC_EX_STR-HASGLACCSYMB sy-vline 
WA_RERA_DOC_EX_STR-REFERENCEDOCGUID sy-vline 
WA_RERA_DOC_EX_STR-RERF sy-vline 
WA_RERA_DOC_EX_STR-DERF sy-vline 
WA_RERA_DOC_EX_STR-TERF sy-vline 
WA_RERA_DOC_EX_STR-REHER sy-vline 
WA_RERA_DOC_EX_STR-RBEAR sy-vline 
WA_RERA_DOC_EX_STR-DBEAR sy-vline 
WA_RERA_DOC_EX_STR-TBEAR sy-vline 
WA_RERA_DOC_EX_STR-RBHER sy-vline 
WA_RERA_DOC_EX_STR-FDELETE sy-vline 
WA_RERA_DOC_EX_STR-CTRULE sy-vline 
WA_RERA_DOC_EX_STR-CTRATE sy-vline 
WA_RERA_DOC_EX_STR-POSTCDCURR sy-vline 
WA_RERA_DOC_EX_STR-CTDATEREQ sy-vline 
WA_RERA_DOC_EX_STR-CTDATEACT sy-vline 
WA_RERA_DOC_EX_STR-CTFCCURRKEY sy-vline 
WA_RERA_DOC_EX_STR-DOCSTATUS sy-vline 
WA_RERA_DOC_EX_STR-SECONDDOCGUID sy-vline 
WA_RERA_DOC_EX_STR-SPLITDOCGUID sy-vline 
WA_RERA_DOC_EX_STR-CERULE sy-vline 
WA_RERA_DOC_EX_STR-ACCPRINCIPLE sy-vline 
WA_RERA_DOC_EX_STR-CEDOCTYPE sy-vline 
WA_RERA_DOC_EX_STR-BUKRS sy-vline 
WA_RERA_DOC_EX_STR-HEADERTXT sy-vline 
WA_RERA_DOC_EX_STR-DOCTYPE sy-vline 
WA_RERA_DOC_EX_STR-EXTREFERENCENO sy-vline 
WA_RERA_DOC_EX_STR-NAME sy-vline 
WA_RERA_DOC_EX_STR-NAME_2 sy-vline 
WA_RERA_DOC_EX_STR-NAME_3 sy-vline 
WA_RERA_DOC_EX_STR-NAME_4 sy-vline 
WA_RERA_DOC_EX_STR-POSTL_CODE sy-vline 
WA_RERA_DOC_EX_STR-CITY sy-vline 
WA_RERA_DOC_EX_STR-COUNTRY sy-vline 
WA_RERA_DOC_EX_STR-COUNTRY_ISO sy-vline 
WA_RERA_DOC_EX_STR-STREET sy-vline 
WA_RERA_DOC_EX_STR-PO_BOX sy-vline 
WA_RERA_DOC_EX_STR-POBX_PCD sy-vline 
WA_RERA_DOC_EX_STR-POBK_CURAC sy-vline 
WA_RERA_DOC_EX_STR-BANK_ACCT sy-vline 
WA_RERA_DOC_EX_STR-BANK_NO sy-vline 
WA_RERA_DOC_EX_STR-BANK_CTRY sy-vline 
WA_RERA_DOC_EX_STR-BANK_CTRY_ISO sy-vline 
WA_RERA_DOC_EX_STR-TAX_NO_1 sy-vline 
WA_RERA_DOC_EX_STR-TAX_NO_2 sy-vline 
WA_RERA_DOC_EX_STR-TAX sy-vline 
WA_RERA_DOC_EX_STR-EQUAL_TAX sy-vline 
WA_RERA_DOC_EX_STR-REGION sy-vline 
WA_RERA_DOC_EX_STR-CTRL_KEY sy-vline 
WA_RERA_DOC_EX_STR-INSTR_KEY sy-vline 
WA_RERA_DOC_EX_STR-DME_IND sy-vline 
WA_RERA_DOC_EX_STR-LANGU_ISO sy-vline 
WA_RERA_DOC_EX_STR-IBAN sy-vline 
WA_RERA_DOC_EX_STR-SWIFT_CODE sy-vline 
WA_RERA_DOC_EX_STR-IBAN_ICON sy-vline      INTO ld_text SEPARATED BY SPACE.

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