ABAP Select data from SAP table RCF_S_TG_INFO_TEXT_HEADER 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_TG_INFO_TEXT_HEADER 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_TG_INFO_TEXT_HEADER. 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_TG_INFO_TEXT_HEADER 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_TG_INFO_TEXT_HEADER TYPE STANDARD TABLE OF RCF_S_TG_INFO_TEXT_HEADER,
      WA_RCF_S_TG_INFO_TEXT_HEADER TYPE RCF_S_TG_INFO_TEXT_HEADER,
      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_TG_INFO_TEXT_HEADER> TYPE RCF_S_TG_INFO_TEXT_HEADER.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RCF_S_TG_INFO_TEXT_HEADER
*  INTO TABLE @DATA(IT_RCF_S_TG_INFO_TEXT_HEADER2).
*--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_TG_INFO_TEXT_HEADER INDEX 1 INTO DATA(WA_RCF_S_TG_INFO_TEXT_HEADER2).


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

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

ENDLOOP.

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

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


*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_TG_INFO_TEXT_HEADER_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,
TITLE TYPE STRING,
DESCRIPTION TYPE STRING,
CREATION_DATE TYPE STRING,
RESP_SCLAS TYPE STRING,
RESP_SOBID TYPE STRING,
FULLNAME TYPE STRING,
TG_TITLE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RCF_S_TG_INFO_TEXT_HEADER_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_TG_INFO_TEXT_HEADER_STR-MANDT sy-vline 
WA_RCF_S_TG_INFO_TEXT_HEADER_STR-PLVAR sy-vline 
WA_RCF_S_TG_INFO_TEXT_HEADER_STR-OTYPE sy-vline 
WA_RCF_S_TG_INFO_TEXT_HEADER_STR-OBJID sy-vline 
WA_RCF_S_TG_INFO_TEXT_HEADER_STR-INFTY sy-vline 
WA_RCF_S_TG_INFO_TEXT_HEADER_STR-SUBTY sy-vline 
WA_RCF_S_TG_INFO_TEXT_HEADER_STR-ISTAT sy-vline 
WA_RCF_S_TG_INFO_TEXT_HEADER_STR-PRIOX sy-vline 
WA_RCF_S_TG_INFO_TEXT_HEADER_STR-BEGDA sy-vline 
WA_RCF_S_TG_INFO_TEXT_HEADER_STR-ENDDA sy-vline 
WA_RCF_S_TG_INFO_TEXT_HEADER_STR-VARYF sy-vline 
WA_RCF_S_TG_INFO_TEXT_HEADER_STR-SEQNR sy-vline 
WA_RCF_S_TG_INFO_TEXT_HEADER_STR-AEDTM sy-vline 
WA_RCF_S_TG_INFO_TEXT_HEADER_STR-UNAME sy-vline 
WA_RCF_S_TG_INFO_TEXT_HEADER_STR-REASN sy-vline 
WA_RCF_S_TG_INFO_TEXT_HEADER_STR-HISTO sy-vline 
WA_RCF_S_TG_INFO_TEXT_HEADER_STR-ITXNR sy-vline 
WA_RCF_S_TG_INFO_TEXT_HEADER_STR-TITLE sy-vline 
WA_RCF_S_TG_INFO_TEXT_HEADER_STR-DESCRIPTION sy-vline 
WA_RCF_S_TG_INFO_TEXT_HEADER_STR-CREATION_DATE sy-vline 
WA_RCF_S_TG_INFO_TEXT_HEADER_STR-RESP_SCLAS sy-vline 
WA_RCF_S_TG_INFO_TEXT_HEADER_STR-RESP_SOBID sy-vline 
WA_RCF_S_TG_INFO_TEXT_HEADER_STR-FULLNAME sy-vline 
WA_RCF_S_TG_INFO_TEXT_HEADER_STR-TG_TITLE sy-vline      INTO ld_text SEPARATED BY SPACE.

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