ABAP Select data from SAP table REAJ_SPECIFIC_INDX_S into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM REAJ_SPECIFIC_INDX_S
*  INTO TABLE @DATA(IT_REAJ_SPECIFIC_INDX_S2).
*--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_REAJ_SPECIFIC_INDX_S INDEX 1 INTO DATA(WA_REAJ_SPECIFIC_INDX_S2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<REAJ_SPECIFIC_INDX_S>-MANDT = 1.
<REAJ_SPECIFIC_INDX_S>-INTRENO = 1.
<REAJ_SPECIFIC_INDX_S>-TERMNO = 1.
<REAJ_SPECIFIC_INDX_S>-ADJMRULE = 1.
<REAJ_SPECIFIC_INDX_S>-ADJMSUBRULE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_REAJ_SPECIFIC_INDX_S-VALIDFROM, sy-vline,
  WA_REAJ_SPECIFIC_INDX_S-VALIDTO, sy-vline,
  WA_REAJ_SPECIFIC_INDX_S-RULECHANGEABLE, sy-vline,
  WA_REAJ_SPECIFIC_INDX_S-INDEXSERIES, sy-vline,
  WA_REAJ_SPECIFIC_INDX_S-INDEXBASEYEAR, sy-vline,
  WA_REAJ_SPECIFIC_INDX_S-INDEXBASEACT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_REAJ_SPECIFIC_INDX_S 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_REAJ_SPECIFIC_INDX_S 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_REAJ_SPECIFIC_INDX_S INTO WA_REAJ_SPECIFIC_INDX_S.


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

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

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

*Conversion exit REDAT, internal->external for field VALIDTO
CALL FUNCTION 'CONVERSION_EXIT_REDAT_OUTPUT'
  EXPORTING
    input =                      WA_REAJ_SPECIFIC_INDX_S-VALIDTO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REAJ_SPECIFIC_INDX_S-VALIDTO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field INDEXBASEYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_REAJ_SPECIFIC_INDX_S-INDEXBASEYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REAJ_SPECIFIC_INDX_S-INDEXBASEYEAR.
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_REAJ_SPECIFIC_INDX_S_STR, 
MANDT TYPE STRING,
INTRENO TYPE STRING,
TERMNO TYPE STRING,
ADJMRULE TYPE STRING,
ADJMSUBRULE TYPE STRING,
VALIDFROM TYPE STRING,
VALIDTO TYPE STRING,
RULECHANGEABLE TYPE STRING,
INDEXSERIES TYPE STRING,
INDEXBASEYEAR TYPE STRING,
INDEXBASEACT TYPE STRING,
INDEXCHGPOINTS TYPE STRING,
INDEXCHGPERCENT TYPE STRING,
INDEXCHGPOIEX TYPE STRING,
INDEXCHGPEREX TYPE STRING,
RHYTHMFLEXIBLE TYPE STRING,
DELAYBASE TYPE STRING,
DELAYBASEUNIT TYPE STRING,
ADJMINDEXBASIS TYPE STRING,
INDEXSERTYPE1 TYPE STRING,
INDEXSERTYPE2 TYPE STRING,
FINDEXSERIES TYPE STRING,
FINDEXBASEYEAR TYPE STRING,
FINDEXBASEACT TYPE STRING,
FINDEXCHGPOINTS TYPE STRING,
FINDEXCHGPERCENT TYPE STRING,
FINDEXCHGPOIEX TYPE STRING,
FINDEXCHGPEREX TYPE STRING,
FRHYTHMFLEXIBLE TYPE STRING,
FDELAYBASE TYPE STRING,
FDELAYBASEUNIT TYPE STRING,
FADJMINDEXBASIS TYPE STRING,
FINDEXSERTYPE1 TYPE STRING,
FINDEXSERTYPE2 TYPE STRING,
RULEEXPAND TYPE STRING,
SPECIFICFIELD TYPE STRING,
INDIVIDUALSPECIFIC TYPE STRING,
INDIVIDUALICON TYPE STRING,
MODIFIEDSPECIFIC TYPE STRING,
MODIFIEDICON TYPE STRING,
XSECTIONINFO TYPE STRING,
BUT_CHANGE TYPE STRING,
ICON_INDEXSERIES TYPE STRING,
ICON_INDEXBASEYEAR TYPE STRING,
ICON_INDEXBASEACT TYPE STRING,
ICON_INDEXCHGPOINTS TYPE STRING,
ICON_INDEXCHGPERCENT TYPE STRING,
ICON_INDEXCHGPOIEX TYPE STRING,
ICON_INDEXCHGPEREX TYPE STRING,
ICON_RHYTHMFLEXIBLE TYPE STRING,
ICON_DELAYBASE TYPE STRING,
ICON_DELAYBASEUNIT TYPE STRING,
ICON_ADJMINDEXBASIS TYPE STRING,
ICON_INDEXSERTYPE1 TYPE STRING,
ICON_INDEXSERTYPE2 TYPE STRING,
STAT_SPECIFIC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_REAJ_SPECIFIC_INDX_S_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_REAJ_SPECIFIC_INDX_S_STR-MANDT sy-vline 
WA_REAJ_SPECIFIC_INDX_S_STR-INTRENO sy-vline 
WA_REAJ_SPECIFIC_INDX_S_STR-TERMNO sy-vline 
WA_REAJ_SPECIFIC_INDX_S_STR-ADJMRULE sy-vline 
WA_REAJ_SPECIFIC_INDX_S_STR-ADJMSUBRULE sy-vline 
WA_REAJ_SPECIFIC_INDX_S_STR-VALIDFROM sy-vline 
WA_REAJ_SPECIFIC_INDX_S_STR-VALIDTO sy-vline 
WA_REAJ_SPECIFIC_INDX_S_STR-RULECHANGEABLE sy-vline 
WA_REAJ_SPECIFIC_INDX_S_STR-INDEXSERIES sy-vline 
WA_REAJ_SPECIFIC_INDX_S_STR-INDEXBASEYEAR sy-vline 
WA_REAJ_SPECIFIC_INDX_S_STR-INDEXBASEACT sy-vline 
WA_REAJ_SPECIFIC_INDX_S_STR-INDEXCHGPOINTS sy-vline 
WA_REAJ_SPECIFIC_INDX_S_STR-INDEXCHGPERCENT sy-vline 
WA_REAJ_SPECIFIC_INDX_S_STR-INDEXCHGPOIEX sy-vline 
WA_REAJ_SPECIFIC_INDX_S_STR-INDEXCHGPEREX sy-vline 
WA_REAJ_SPECIFIC_INDX_S_STR-RHYTHMFLEXIBLE sy-vline 
WA_REAJ_SPECIFIC_INDX_S_STR-DELAYBASE sy-vline 
WA_REAJ_SPECIFIC_INDX_S_STR-DELAYBASEUNIT sy-vline 
WA_REAJ_SPECIFIC_INDX_S_STR-ADJMINDEXBASIS sy-vline 
WA_REAJ_SPECIFIC_INDX_S_STR-INDEXSERTYPE1 sy-vline 
WA_REAJ_SPECIFIC_INDX_S_STR-INDEXSERTYPE2 sy-vline 
WA_REAJ_SPECIFIC_INDX_S_STR-FINDEXSERIES sy-vline 
WA_REAJ_SPECIFIC_INDX_S_STR-FINDEXBASEYEAR sy-vline 
WA_REAJ_SPECIFIC_INDX_S_STR-FINDEXBASEACT sy-vline 
WA_REAJ_SPECIFIC_INDX_S_STR-FINDEXCHGPOINTS sy-vline 
WA_REAJ_SPECIFIC_INDX_S_STR-FINDEXCHGPERCENT sy-vline 
WA_REAJ_SPECIFIC_INDX_S_STR-FINDEXCHGPOIEX sy-vline 
WA_REAJ_SPECIFIC_INDX_S_STR-FINDEXCHGPEREX sy-vline 
WA_REAJ_SPECIFIC_INDX_S_STR-FRHYTHMFLEXIBLE sy-vline 
WA_REAJ_SPECIFIC_INDX_S_STR-FDELAYBASE sy-vline 
WA_REAJ_SPECIFIC_INDX_S_STR-FDELAYBASEUNIT sy-vline 
WA_REAJ_SPECIFIC_INDX_S_STR-FADJMINDEXBASIS sy-vline 
WA_REAJ_SPECIFIC_INDX_S_STR-FINDEXSERTYPE1 sy-vline 
WA_REAJ_SPECIFIC_INDX_S_STR-FINDEXSERTYPE2 sy-vline 
WA_REAJ_SPECIFIC_INDX_S_STR-RULEEXPAND sy-vline 
WA_REAJ_SPECIFIC_INDX_S_STR-SPECIFICFIELD sy-vline 
WA_REAJ_SPECIFIC_INDX_S_STR-INDIVIDUALSPECIFIC sy-vline 
WA_REAJ_SPECIFIC_INDX_S_STR-INDIVIDUALICON sy-vline 
WA_REAJ_SPECIFIC_INDX_S_STR-MODIFIEDSPECIFIC sy-vline 
WA_REAJ_SPECIFIC_INDX_S_STR-MODIFIEDICON sy-vline 
WA_REAJ_SPECIFIC_INDX_S_STR-XSECTIONINFO sy-vline 
WA_REAJ_SPECIFIC_INDX_S_STR-BUT_CHANGE sy-vline 
WA_REAJ_SPECIFIC_INDX_S_STR-ICON_INDEXSERIES sy-vline 
WA_REAJ_SPECIFIC_INDX_S_STR-ICON_INDEXBASEYEAR sy-vline 
WA_REAJ_SPECIFIC_INDX_S_STR-ICON_INDEXBASEACT sy-vline 
WA_REAJ_SPECIFIC_INDX_S_STR-ICON_INDEXCHGPOINTS sy-vline 
WA_REAJ_SPECIFIC_INDX_S_STR-ICON_INDEXCHGPERCENT sy-vline 
WA_REAJ_SPECIFIC_INDX_S_STR-ICON_INDEXCHGPOIEX sy-vline 
WA_REAJ_SPECIFIC_INDX_S_STR-ICON_INDEXCHGPEREX sy-vline 
WA_REAJ_SPECIFIC_INDX_S_STR-ICON_RHYTHMFLEXIBLE sy-vline 
WA_REAJ_SPECIFIC_INDX_S_STR-ICON_DELAYBASE sy-vline 
WA_REAJ_SPECIFIC_INDX_S_STR-ICON_DELAYBASEUNIT sy-vline 
WA_REAJ_SPECIFIC_INDX_S_STR-ICON_ADJMINDEXBASIS sy-vline 
WA_REAJ_SPECIFIC_INDX_S_STR-ICON_INDEXSERTYPE1 sy-vline 
WA_REAJ_SPECIFIC_INDX_S_STR-ICON_INDEXSERTYPE2 sy-vline 
WA_REAJ_SPECIFIC_INDX_S_STR-STAT_SPECIFIC sy-vline      INTO ld_text SEPARATED BY SPACE.

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