ABAP Select data from SAP table RECE_EVAL_RULE_X into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RECE_EVAL_RULE_X
*  INTO TABLE @DATA(IT_RECE_EVAL_RULE_X2).
*--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_RECE_EVAL_RULE_X INDEX 1 INTO DATA(WA_RECE_EVAL_RULE_X2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RECE_EVAL_RULE_X>-MANDT = 1.
<RECE_EVAL_RULE_X>-INTRENO = 1.
<RECE_EVAL_RULE_X>-RULEGUID = 1.
<RECE_EVAL_RULE_X>-TERMNO = 1.
<RECE_EVAL_RULE_X>-TERMTYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RECE_EVAL_RULE_X-VALIDFROM, sy-vline,
  WA_RECE_EVAL_RULE_X-VALIDTO, sy-vline,
  WA_RECE_EVAL_RULE_X-OBJNR, sy-vline,
  WA_RECE_EVAL_RULE_X-OBJVALIDFROM, sy-vline,
  WA_RECE_EVAL_RULE_X-CERULE, sy-vline,
  WA_RECE_EVAL_RULE_X-CONSBEG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RECE_EVAL_RULE_X 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_RECE_EVAL_RULE_X 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_RECE_EVAL_RULE_X INTO WA_RECE_EVAL_RULE_X.


*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_RECE_EVAL_RULE_X-TERMNO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RECE_EVAL_RULE_X-TERMNO.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit ALPHA, internal->external for field ANLN1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RECE_EVAL_RULE_X-ANLN1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RECE_EVAL_RULE_X-ANLN1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ANLN2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RECE_EVAL_RULE_X-ANLN2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RECE_EVAL_RULE_X-ANLN2.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit REDAT, internal->external for field ABSOLUTEEND
CALL FUNCTION 'CONVERSION_EXIT_REDAT_OUTPUT'
  EXPORTING
    input =                      WA_RECE_EVAL_RULE_X-ABSOLUTEEND
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RECE_EVAL_RULE_X-ABSOLUTEEND.
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_RECE_EVAL_RULE_X_STR, 
MANDT TYPE STRING,
INTRENO TYPE STRING,
RULEGUID TYPE STRING,
TERMNO TYPE STRING,
TERMTYPE TYPE STRING,
VALIDFROM TYPE STRING,
VALIDTO TYPE STRING,
OBJNR TYPE STRING,
OBJVALIDFROM TYPE STRING,
CERULE TYPE STRING,
CONSBEG TYPE STRING,
POSTBEG TYPE STRING,
ASSETOBJNR TYPE STRING,
CESLTYPE TYPE STRING,
INTERESTRATE TYPE STRING,
TERMNORH TYPE STRING,
DISTRULE TYPE STRING,
DISTRULEPARA1 TYPE STRING,
DISTRULEPARA2 TYPE STRING,
PROBABLEEND TYPE STRING,
USEFULLIFEEND TYPE STRING,
STATUSRULE TYPE STRING,
STATUSEVAL TYPE STRING,
STATUSREASON TYPE STRING,
PROCESSBEHAVIOR TYPE STRING,
TAXTYPE TYPE STRING,
TAXGROUP TYPE STRING,
ACCTOBJNR TYPE STRING,
NOTE TYPE STRING,
SCOPENUM TYPE STRING,
SCOPEDENOM TYPE STRING,
RULECURR TYPE STRING,
QUERYGUID TYPE STRING,
OBJTYPE TYPE STRING,
XOBJTYPE TYPE STRING,
OBJIDENTKEY TYPE STRING,
OBJIDENT TYPE STRING,
OBJTXT TYPE STRING,
XSTATUSRULE TYPE STRING,
ICON_STATUSRULE TYPE STRING,
XSTATUSREASON TYPE STRING,
XSTATUSEVAL TYPE STRING,
ICON_STATUSEVAL TYPE STRING,
XPROCESSBEHAVIOR TYPE STRING,
XCERULE TYPE STRING,
XCESLTYPE TYPE STRING,
ANLBUKRS TYPE STRING,
ANLN1 TYPE STRING,
ANLN2 TYPE STRING,
ANLTXT TYPE STRING,
ANLKL TYPE STRING,
ANLK_TXT20 TYPE STRING,
ANLK_TXT50 TYPE STRING,
ASSETIDENT TYPE STRING,
ACCTOBJTYPE TYPE STRING,
ACCTXOBJTYPE TYPE STRING,
ACCTOBJIDENTKEY TYPE STRING,
ACCTOBJIDENT TYPE STRING,
ACCTOBJTXT TYPE STRING,
XTERM TYPE STRING,
XTERMRH TYPE STRING,
ABSOLUTEBEGIN TYPE STRING,
ABSOLUTEEND TYPE STRING,
ICON_BOOKED TYPE STRING,
ISBOOKED TYPE STRING,
ASACTIVE TYPE STRING,
ASACTIVEDATE TYPE STRING,
ASDEACTIVATED TYPE STRING,
ASDEACTDATE TYPE STRING,
ISINFORMATIONAL TYPE STRING,
RECNCNCURR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RECE_EVAL_RULE_X_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_RECE_EVAL_RULE_X_STR-MANDT sy-vline 
WA_RECE_EVAL_RULE_X_STR-INTRENO sy-vline 
WA_RECE_EVAL_RULE_X_STR-RULEGUID sy-vline 
WA_RECE_EVAL_RULE_X_STR-TERMNO sy-vline 
WA_RECE_EVAL_RULE_X_STR-TERMTYPE sy-vline 
WA_RECE_EVAL_RULE_X_STR-VALIDFROM sy-vline 
WA_RECE_EVAL_RULE_X_STR-VALIDTO sy-vline 
WA_RECE_EVAL_RULE_X_STR-OBJNR sy-vline 
WA_RECE_EVAL_RULE_X_STR-OBJVALIDFROM sy-vline 
WA_RECE_EVAL_RULE_X_STR-CERULE sy-vline 
WA_RECE_EVAL_RULE_X_STR-CONSBEG sy-vline 
WA_RECE_EVAL_RULE_X_STR-POSTBEG sy-vline 
WA_RECE_EVAL_RULE_X_STR-ASSETOBJNR sy-vline 
WA_RECE_EVAL_RULE_X_STR-CESLTYPE sy-vline 
WA_RECE_EVAL_RULE_X_STR-INTERESTRATE sy-vline 
WA_RECE_EVAL_RULE_X_STR-TERMNORH sy-vline 
WA_RECE_EVAL_RULE_X_STR-DISTRULE sy-vline 
WA_RECE_EVAL_RULE_X_STR-DISTRULEPARA1 sy-vline 
WA_RECE_EVAL_RULE_X_STR-DISTRULEPARA2 sy-vline 
WA_RECE_EVAL_RULE_X_STR-PROBABLEEND sy-vline 
WA_RECE_EVAL_RULE_X_STR-USEFULLIFEEND sy-vline 
WA_RECE_EVAL_RULE_X_STR-STATUSRULE sy-vline 
WA_RECE_EVAL_RULE_X_STR-STATUSEVAL sy-vline 
WA_RECE_EVAL_RULE_X_STR-STATUSREASON sy-vline 
WA_RECE_EVAL_RULE_X_STR-PROCESSBEHAVIOR sy-vline 
WA_RECE_EVAL_RULE_X_STR-TAXTYPE sy-vline 
WA_RECE_EVAL_RULE_X_STR-TAXGROUP sy-vline 
WA_RECE_EVAL_RULE_X_STR-ACCTOBJNR sy-vline 
WA_RECE_EVAL_RULE_X_STR-NOTE sy-vline 
WA_RECE_EVAL_RULE_X_STR-SCOPENUM sy-vline 
WA_RECE_EVAL_RULE_X_STR-SCOPEDENOM sy-vline 
WA_RECE_EVAL_RULE_X_STR-RULECURR sy-vline 
WA_RECE_EVAL_RULE_X_STR-QUERYGUID sy-vline 
WA_RECE_EVAL_RULE_X_STR-OBJTYPE sy-vline 
WA_RECE_EVAL_RULE_X_STR-XOBJTYPE sy-vline 
WA_RECE_EVAL_RULE_X_STR-OBJIDENTKEY sy-vline 
WA_RECE_EVAL_RULE_X_STR-OBJIDENT sy-vline 
WA_RECE_EVAL_RULE_X_STR-OBJTXT sy-vline 
WA_RECE_EVAL_RULE_X_STR-XSTATUSRULE sy-vline 
WA_RECE_EVAL_RULE_X_STR-ICON_STATUSRULE sy-vline 
WA_RECE_EVAL_RULE_X_STR-XSTATUSREASON sy-vline 
WA_RECE_EVAL_RULE_X_STR-XSTATUSEVAL sy-vline 
WA_RECE_EVAL_RULE_X_STR-ICON_STATUSEVAL sy-vline 
WA_RECE_EVAL_RULE_X_STR-XPROCESSBEHAVIOR sy-vline 
WA_RECE_EVAL_RULE_X_STR-XCERULE sy-vline 
WA_RECE_EVAL_RULE_X_STR-XCESLTYPE sy-vline 
WA_RECE_EVAL_RULE_X_STR-ANLBUKRS sy-vline 
WA_RECE_EVAL_RULE_X_STR-ANLN1 sy-vline 
WA_RECE_EVAL_RULE_X_STR-ANLN2 sy-vline 
WA_RECE_EVAL_RULE_X_STR-ANLTXT sy-vline 
WA_RECE_EVAL_RULE_X_STR-ANLKL sy-vline 
WA_RECE_EVAL_RULE_X_STR-ANLK_TXT20 sy-vline 
WA_RECE_EVAL_RULE_X_STR-ANLK_TXT50 sy-vline 
WA_RECE_EVAL_RULE_X_STR-ASSETIDENT sy-vline 
WA_RECE_EVAL_RULE_X_STR-ACCTOBJTYPE sy-vline 
WA_RECE_EVAL_RULE_X_STR-ACCTXOBJTYPE sy-vline 
WA_RECE_EVAL_RULE_X_STR-ACCTOBJIDENTKEY sy-vline 
WA_RECE_EVAL_RULE_X_STR-ACCTOBJIDENT sy-vline 
WA_RECE_EVAL_RULE_X_STR-ACCTOBJTXT sy-vline 
WA_RECE_EVAL_RULE_X_STR-XTERM sy-vline 
WA_RECE_EVAL_RULE_X_STR-XTERMRH sy-vline 
WA_RECE_EVAL_RULE_X_STR-ABSOLUTEBEGIN sy-vline 
WA_RECE_EVAL_RULE_X_STR-ABSOLUTEEND sy-vline 
WA_RECE_EVAL_RULE_X_STR-ICON_BOOKED sy-vline 
WA_RECE_EVAL_RULE_X_STR-ISBOOKED sy-vline 
WA_RECE_EVAL_RULE_X_STR-ASACTIVE sy-vline 
WA_RECE_EVAL_RULE_X_STR-ASACTIVEDATE sy-vline 
WA_RECE_EVAL_RULE_X_STR-ASDEACTIVATED sy-vline 
WA_RECE_EVAL_RULE_X_STR-ASDEACTDATE sy-vline 
WA_RECE_EVAL_RULE_X_STR-ISINFORMATIONAL sy-vline 
WA_RECE_EVAL_RULE_X_STR-RECNCNCURR sy-vline      INTO ld_text SEPARATED BY SPACE.

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