ABAP Select data from SAP table RCF_S_MDL_AF_ACTFORM_QUESTIONN into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RCF_S_MDL_AF_ACTFORM_QUESTIONN
*  INTO TABLE @DATA(IT_RCF_S_MDL_AF_ACTFORM_QUESTIONN2).
*--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_RCF_S_MDL_AF_ACTFORM_QUESTIONN INDEX 1 INTO DATA(WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RCF_S_MDL_AF_ACTFORM_QUESTIONN>-MANDT = 1.
<RCF_S_MDL_AF_ACTFORM_QUESTIONN>-PLVAR = 1.
<RCF_S_MDL_AF_ACTFORM_QUESTIONN>-OTYPE = 1.
<RCF_S_MDL_AF_ACTFORM_QUESTIONN>-OBJID = 1.
<RCF_S_MDL_AF_ACTFORM_QUESTIONN>-INFTY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN-SUBTY, sy-vline,
  WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN-ISTAT, sy-vline,
  WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN-PRIOX, sy-vline,
  WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN-BEGDA, sy-vline,
  WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN-ENDDA, sy-vline,
  WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN-VARYF, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN 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_RCF_S_MDL_AF_ACTFORM_QUESTIONN 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_RCF_S_MDL_AF_ACTFORM_QUESTIONN INTO WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_RCF_S_MDL_AF_ACTFORM_QUESTIONN_STR, 
MANDT TYPE STRING,
PLVAR TYPE STRING,
OTYPE TYPE STRING,
OBJID TYPE STRING,
INFTY TYPE STRING,
SUBTY TYPE STRING,
ISTAT TYPE STRING,
PRIOX TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
VARYF TYPE STRING,
SEQNR TYPE STRING,
AEDTM TYPE STRING,
UNAME TYPE STRING,
REASN TYPE STRING,
HISTO TYPE STRING,
ITXNR TYPE STRING,
ACT_TYPE TYPE STRING,
ACT_GUID TYPE STRING,
STATUS TYPE STRING,
DUE_DATE TYPE STRING,
RES_SCLAS TYPE STRING,
RES_SOBID TYPE STRING,
NOTE TYPE STRING,
ACT_CAT TYPE STRING,
DATE_EXECUTED TYPE STRING,
EXECUTER TYPE STRING,
ACT_PROC TYPE STRING,
SUBAREA TYPE STRING,
TG_ID TYPE STRING,
LAST_CHANGED TYPE STRING,
CREATOR TYPE STRING,
CREATED_ON TYPE STRING,
QA_TPL_OBJID TYPE STRING,
QA_DOC_GUID TYPE STRING,
QA_VISIBLE TYPE STRING,
ACT_TYPE_TXT TYPE STRING,
STATUS_TXT TYPE STRING,
ACT_CAT_TXT TYPE STRING,
RES_NAME TYPE STRING,
ACT_PROC_TXT TYPE STRING,
EXECUTER_NAME TYPE STRING,
ACT_PROC_SEQ_NR TYPE STRING,
LAST_CHANGED_BY_NAME TYPE STRING,
CREATOR_NAME TYPE STRING,
QA_TPL_TITLE TYPE STRING,
URL_ALIAS_DOC_FILLED TYPE STRING,
DUE_DATE_AF TYPE STRING,
DATE_EXECUTED_AF TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN_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_RCF_S_MDL_AF_ACTFORM_QUESTIONN_STR-MANDT sy-vline 
WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN_STR-PLVAR sy-vline 
WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN_STR-OTYPE sy-vline 
WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN_STR-OBJID sy-vline 
WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN_STR-INFTY sy-vline 
WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN_STR-SUBTY sy-vline 
WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN_STR-ISTAT sy-vline 
WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN_STR-PRIOX sy-vline 
WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN_STR-BEGDA sy-vline 
WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN_STR-ENDDA sy-vline 
WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN_STR-VARYF sy-vline 
WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN_STR-SEQNR sy-vline 
WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN_STR-AEDTM sy-vline 
WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN_STR-UNAME sy-vline 
WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN_STR-REASN sy-vline 
WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN_STR-HISTO sy-vline 
WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN_STR-ITXNR sy-vline 
WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN_STR-ACT_TYPE sy-vline 
WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN_STR-ACT_GUID sy-vline 
WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN_STR-STATUS sy-vline 
WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN_STR-DUE_DATE sy-vline 
WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN_STR-RES_SCLAS sy-vline 
WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN_STR-RES_SOBID sy-vline 
WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN_STR-NOTE sy-vline 
WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN_STR-ACT_CAT sy-vline 
WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN_STR-DATE_EXECUTED sy-vline 
WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN_STR-EXECUTER sy-vline 
WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN_STR-ACT_PROC sy-vline 
WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN_STR-SUBAREA sy-vline 
WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN_STR-TG_ID sy-vline 
WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN_STR-LAST_CHANGED sy-vline 
WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN_STR-CREATOR sy-vline 
WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN_STR-CREATED_ON sy-vline 
WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN_STR-QA_TPL_OBJID sy-vline 
WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN_STR-QA_DOC_GUID sy-vline 
WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN_STR-QA_VISIBLE sy-vline 
WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN_STR-ACT_TYPE_TXT sy-vline 
WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN_STR-STATUS_TXT sy-vline 
WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN_STR-ACT_CAT_TXT sy-vline 
WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN_STR-RES_NAME sy-vline 
WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN_STR-ACT_PROC_TXT sy-vline 
WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN_STR-EXECUTER_NAME sy-vline 
WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN_STR-ACT_PROC_SEQ_NR sy-vline 
WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN_STR-LAST_CHANGED_BY_NAME sy-vline 
WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN_STR-CREATOR_NAME sy-vline 
WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN_STR-QA_TPL_TITLE sy-vline 
WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN_STR-URL_ALIAS_DOC_FILLED sy-vline 
WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN_STR-DUE_DATE_AF sy-vline 
WA_RCF_S_MDL_AF_ACTFORM_QUESTIONN_STR-DATE_EXECUTED_AF sy-vline      INTO ld_text SEPARATED BY SPACE.

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