ABAP Select data from SAP table RERA_OPACT_BASE into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RERA_OPACT_BASE 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_OPACT_BASE. 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_OPACT_BASE 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_OPACT_BASE TYPE STANDARD TABLE OF RERA_OPACT_BASE,
      WA_RERA_OPACT_BASE TYPE RERA_OPACT_BASE,
      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_OPACT_BASE> TYPE RERA_OPACT_BASE.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RERA_OPACT_BASE
*  INTO TABLE @DATA(IT_RERA_OPACT_BASE2).
*--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_OPACT_BASE INDEX 1 INTO DATA(WA_RERA_OPACT_BASE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RERA_OPACT_BASE>-BUKRS = 1.
<RERA_OPACT_BASE>-OPACT = 1.
<RERA_OPACT_BASE>-GETCCDEFAULT = 1.
<RERA_OPACT_BASE>-PSTNGDATE = 1.
<RERA_OPACT_BASE>-DOCDATE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RERA_OPACT_BASE-HEADERTXT, sy-vline,
  WA_RERA_OPACT_BASE-PARTNER, sy-vline,
  WA_RERA_OPACT_BASE-VENDOR, sy-vline,
  WA_RERA_OPACT_BASE-CUSTOMER, sy-vline,
  WA_RERA_OPACT_BASE-TAXTYPE, sy-vline,
  WA_RERA_OPACT_BASE-TAXGROUP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RERA_OPACT_BASE 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_OPACT_BASE 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_OPACT_BASE INTO WA_RERA_OPACT_BASE.


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

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

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

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

*Conversion exit SWENR, internal->external for field SWENR
CALL FUNCTION 'CONVERSION_EXIT_SWENR_OUTPUT'
  EXPORTING
    input =                      WA_RERA_OPACT_BASE-SWENR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RERA_OPACT_BASE-SWENR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SMENR, internal->external for field SMENR
CALL FUNCTION 'CONVERSION_EXIT_SMENR_OUTPUT'
  EXPORTING
    input =                      WA_RERA_OPACT_BASE-SMENR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RERA_OPACT_BASE-SMENR.
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_OPACT_BASE_STR, 
BUKRS TYPE STRING,
OPACT TYPE STRING,
GETCCDEFAULT TYPE STRING,
PSTNGDATE TYPE STRING,
DOCDATE TYPE STRING,
HEADERTXT TYPE STRING,
PARTNER TYPE STRING,
VENDOR TYPE STRING,
CUSTOMER TYPE STRING,
TAXTYPE TYPE STRING,
TAXGROUP TYPE STRING,
TAXDATE TYPE STRING,
TAXRATE TYPE STRING,
TXJCD TYPE STRING,
TXJCDISACTIVE TYPE STRING,
TAXCOUNTRY TYPE STRING,
TAXSCHEME TYPE STRING,
MANTAXISDISTRIBUTED TYPE STRING,
HASMANUALTAX TYPE STRING,
AMOUNT TYPE STRING,
TAXAMOUNT TYPE STRING,
GROSSAMOUNT TYPE STRING,
NETAMOUNT TYPE STRING,
TAXDELTA TYPE STRING,
CURRENCY TYPE STRING,
EXTREFERENCENO TYPE STRING,
HOUSEBKID TYPE STRING,
HOUSEBKACC TYPE STRING,
BLINEDATE TYPE STRING,
RECNNR TYPE STRING,
SWENR TYPE STRING,
SMENR TYPE STRING,
OBJNR TYPE STRING,
EXTOBJNR TYPE STRING,
XOPACT TYPE STRING,
RECNTXT TYPE STRING,
CCTXT TYPE STRING,
ALVVARIANT TYPE STRING,
PROCTDNAME TYPE STRING,
HASCUSTOMER TYPE STRING,
CUSTDEDUCT TYPE STRING,
HASVENDOR TYPE STRING,
VENDDEDUCT TYPE STRING,
INPUTPARTNER TYPE STRING,
XBPNAME TYPE STRING,
DUEDATEDEDUCT TYPE STRING,
CVCREATE TYPE STRING,
HASNEWAMOUNT TYPE STRING,
HASNEWTAXDELTA TYPE STRING,
HASNEWOBJECT TYPE STRING,
HASNEWPARTNER TYPE STRING,
HASCOMPLEXTAX TYPE STRING,
ISWTACTIVE TYPE STRING,
ISTCACTIVE TYPE STRING,
OBJECTENTRY TYPE STRING,
XMETXT TYPE STRING,
CCTYPE TYPE STRING,
DOSHOWNOTHING TYPE STRING,
SHSTRATVEND TYPE STRING,
FSVARIANTBD TYPE STRING,
FSTATE TYPE STRING,
HASNEWHOUSEBKID TYPE STRING,
NETAMOUNTENTRY TYPE STRING,
SUPPRESSPOP TYPE STRING,
DISPLAYHEADER TYPE STRING,
XBPNAME_OLD TYPE STRING,
DOCDATE_OLD TYPE STRING,
EXTREFERENCENO_OLD TYPE STRING,
BLINEDATE_OLD TYPE STRING,
O_SHFIELD_VENDOR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RERA_OPACT_BASE_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_OPACT_BASE_STR-BUKRS sy-vline 
WA_RERA_OPACT_BASE_STR-OPACT sy-vline 
WA_RERA_OPACT_BASE_STR-GETCCDEFAULT sy-vline 
WA_RERA_OPACT_BASE_STR-PSTNGDATE sy-vline 
WA_RERA_OPACT_BASE_STR-DOCDATE sy-vline 
WA_RERA_OPACT_BASE_STR-HEADERTXT sy-vline 
WA_RERA_OPACT_BASE_STR-PARTNER sy-vline 
WA_RERA_OPACT_BASE_STR-VENDOR sy-vline 
WA_RERA_OPACT_BASE_STR-CUSTOMER sy-vline 
WA_RERA_OPACT_BASE_STR-TAXTYPE sy-vline 
WA_RERA_OPACT_BASE_STR-TAXGROUP sy-vline 
WA_RERA_OPACT_BASE_STR-TAXDATE sy-vline 
WA_RERA_OPACT_BASE_STR-TAXRATE sy-vline 
WA_RERA_OPACT_BASE_STR-TXJCD sy-vline 
WA_RERA_OPACT_BASE_STR-TXJCDISACTIVE sy-vline 
WA_RERA_OPACT_BASE_STR-TAXCOUNTRY sy-vline 
WA_RERA_OPACT_BASE_STR-TAXSCHEME sy-vline 
WA_RERA_OPACT_BASE_STR-MANTAXISDISTRIBUTED sy-vline 
WA_RERA_OPACT_BASE_STR-HASMANUALTAX sy-vline 
WA_RERA_OPACT_BASE_STR-AMOUNT sy-vline 
WA_RERA_OPACT_BASE_STR-TAXAMOUNT sy-vline 
WA_RERA_OPACT_BASE_STR-GROSSAMOUNT sy-vline 
WA_RERA_OPACT_BASE_STR-NETAMOUNT sy-vline 
WA_RERA_OPACT_BASE_STR-TAXDELTA sy-vline 
WA_RERA_OPACT_BASE_STR-CURRENCY sy-vline 
WA_RERA_OPACT_BASE_STR-EXTREFERENCENO sy-vline 
WA_RERA_OPACT_BASE_STR-HOUSEBKID sy-vline 
WA_RERA_OPACT_BASE_STR-HOUSEBKACC sy-vline 
WA_RERA_OPACT_BASE_STR-BLINEDATE sy-vline 
WA_RERA_OPACT_BASE_STR-RECNNR sy-vline 
WA_RERA_OPACT_BASE_STR-SWENR sy-vline 
WA_RERA_OPACT_BASE_STR-SMENR sy-vline 
WA_RERA_OPACT_BASE_STR-OBJNR sy-vline 
WA_RERA_OPACT_BASE_STR-EXTOBJNR sy-vline 
WA_RERA_OPACT_BASE_STR-XOPACT sy-vline 
WA_RERA_OPACT_BASE_STR-RECNTXT sy-vline 
WA_RERA_OPACT_BASE_STR-CCTXT sy-vline 
WA_RERA_OPACT_BASE_STR-ALVVARIANT sy-vline 
WA_RERA_OPACT_BASE_STR-PROCTDNAME sy-vline 
WA_RERA_OPACT_BASE_STR-HASCUSTOMER sy-vline 
WA_RERA_OPACT_BASE_STR-CUSTDEDUCT sy-vline 
WA_RERA_OPACT_BASE_STR-HASVENDOR sy-vline 
WA_RERA_OPACT_BASE_STR-VENDDEDUCT sy-vline 
WA_RERA_OPACT_BASE_STR-INPUTPARTNER sy-vline 
WA_RERA_OPACT_BASE_STR-XBPNAME sy-vline 
WA_RERA_OPACT_BASE_STR-DUEDATEDEDUCT sy-vline 
WA_RERA_OPACT_BASE_STR-CVCREATE sy-vline 
WA_RERA_OPACT_BASE_STR-HASNEWAMOUNT sy-vline 
WA_RERA_OPACT_BASE_STR-HASNEWTAXDELTA sy-vline 
WA_RERA_OPACT_BASE_STR-HASNEWOBJECT sy-vline 
WA_RERA_OPACT_BASE_STR-HASNEWPARTNER sy-vline 
WA_RERA_OPACT_BASE_STR-HASCOMPLEXTAX sy-vline 
WA_RERA_OPACT_BASE_STR-ISWTACTIVE sy-vline 
WA_RERA_OPACT_BASE_STR-ISTCACTIVE sy-vline 
WA_RERA_OPACT_BASE_STR-OBJECTENTRY sy-vline 
WA_RERA_OPACT_BASE_STR-XMETXT sy-vline 
WA_RERA_OPACT_BASE_STR-CCTYPE sy-vline 
WA_RERA_OPACT_BASE_STR-DOSHOWNOTHING sy-vline 
WA_RERA_OPACT_BASE_STR-SHSTRATVEND sy-vline 
WA_RERA_OPACT_BASE_STR-FSVARIANTBD sy-vline 
WA_RERA_OPACT_BASE_STR-FSTATE sy-vline 
WA_RERA_OPACT_BASE_STR-HASNEWHOUSEBKID sy-vline 
WA_RERA_OPACT_BASE_STR-NETAMOUNTENTRY sy-vline 
WA_RERA_OPACT_BASE_STR-SUPPRESSPOP sy-vline 
WA_RERA_OPACT_BASE_STR-DISPLAYHEADER sy-vline 
WA_RERA_OPACT_BASE_STR-XBPNAME_OLD sy-vline 
WA_RERA_OPACT_BASE_STR-DOCDATE_OLD sy-vline 
WA_RERA_OPACT_BASE_STR-EXTREFERENCENO_OLD sy-vline 
WA_RERA_OPACT_BASE_STR-BLINEDATE_OLD sy-vline 
WA_RERA_OPACT_BASE_STR-O_SHFIELD_VENDOR sy-vline      INTO ld_text SEPARATED BY SPACE.

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