ABAP Select data from SAP table CCIHS_RFMJBUF into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CCIHS_RFMJBUF
*  INTO TABLE @DATA(IT_CCIHS_RFMJBUF2).
*--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_CCIHS_RFMJBUF INDEX 1 INTO DATA(WA_CCIHS_RFMJBUF2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CCIHS_RFMJBUF>-VALFLG = 1.
<CCIHS_RFMJBUF>-CHCOFLG = 1.
<CCIHS_RFMJBUF>-LOCKMOD = 1.
<CCIHS_RFMJBUF>-LOGLOCKMOD = 1.
<CCIHS_RFMJBUF>-SAVEMOD = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CCIHS_RFMJBUF-SPLIT, sy-vline,
  WA_CCIHS_RFMJBUF-BUF_ORIG_INDEX, sy-vline,
  WA_CCIHS_RFMJBUF-CHANGENO, sy-vline,
  WA_CCIHS_RFMJBUF-KEYDATE, sy-vline,
  WA_CCIHS_RFMJBUF-MANDT, sy-vline,
  WA_CCIHS_RFMJBUF-RECN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CCIHS_RFMJBUF 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_CCIHS_RFMJBUF 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_CCIHS_RFMJBUF INTO WA_CCIHS_RFMJBUF.


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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field RECNTREFMJ
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CCIHS_RFMJBUF-RECNTREFMJ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCIHS_RFMJBUF-RECNTREFMJ.
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_CCIHS_RFMJBUF_STR, 
VALFLG TYPE STRING,
CHCOFLG TYPE STRING,
LOCKMOD TYPE STRING,
LOGLOCKMOD TYPE STRING,
SAVEMOD TYPE STRING,
SPLIT TYPE STRING,
BUF_ORIG_INDEX TYPE STRING,
CHANGENO TYPE STRING,
KEYDATE TYPE STRING,
MANDT TYPE STRING,
RECN TYPE STRING,
ACTN TYPE STRING,
VALFR TYPE STRING,
VALTO TYPE STRING,
AENNR TYPE STRING,
DELFLG TYPE STRING,
PARKFLG TYPE STRING,
CRDAT TYPE STRING,
CRNAM TYPE STRING,
UPDDAT TYPE STRING,
UPDNAM TYPE STRING,
SRSID TYPE STRING,
OWNID TYPE STRING,
RECNROOT TYPE STRING,
RECNTMJ TYPE STRING,
RECNTREFMJ TYPE STRING,
WEIGHTING TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CCIHS_RFMJBUF_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_CCIHS_RFMJBUF_STR-VALFLG sy-vline 
WA_CCIHS_RFMJBUF_STR-CHCOFLG sy-vline 
WA_CCIHS_RFMJBUF_STR-LOCKMOD sy-vline 
WA_CCIHS_RFMJBUF_STR-LOGLOCKMOD sy-vline 
WA_CCIHS_RFMJBUF_STR-SAVEMOD sy-vline 
WA_CCIHS_RFMJBUF_STR-SPLIT sy-vline 
WA_CCIHS_RFMJBUF_STR-BUF_ORIG_INDEX sy-vline 
WA_CCIHS_RFMJBUF_STR-CHANGENO sy-vline 
WA_CCIHS_RFMJBUF_STR-KEYDATE sy-vline 
WA_CCIHS_RFMJBUF_STR-MANDT sy-vline 
WA_CCIHS_RFMJBUF_STR-RECN sy-vline 
WA_CCIHS_RFMJBUF_STR-ACTN sy-vline 
WA_CCIHS_RFMJBUF_STR-VALFR sy-vline 
WA_CCIHS_RFMJBUF_STR-VALTO sy-vline 
WA_CCIHS_RFMJBUF_STR-AENNR sy-vline 
WA_CCIHS_RFMJBUF_STR-DELFLG sy-vline 
WA_CCIHS_RFMJBUF_STR-PARKFLG sy-vline 
WA_CCIHS_RFMJBUF_STR-CRDAT sy-vline 
WA_CCIHS_RFMJBUF_STR-CRNAM sy-vline 
WA_CCIHS_RFMJBUF_STR-UPDDAT sy-vline 
WA_CCIHS_RFMJBUF_STR-UPDNAM sy-vline 
WA_CCIHS_RFMJBUF_STR-SRSID sy-vline 
WA_CCIHS_RFMJBUF_STR-OWNID sy-vline 
WA_CCIHS_RFMJBUF_STR-RECNROOT sy-vline 
WA_CCIHS_RFMJBUF_STR-RECNTMJ sy-vline 
WA_CCIHS_RFMJBUF_STR-RECNTREFMJ sy-vline 
WA_CCIHS_RFMJBUF_STR-WEIGHTING sy-vline      INTO ld_text SEPARATED BY SPACE.

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