ABAP Select data from SAP table /CEERE/RIZENI into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /CEERE/RIZENI 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 /CEERE/RIZENI. 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 /CEERE/RIZENI 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_/CEERE/RIZENI TYPE STANDARD TABLE OF /CEERE/RIZENI,
      WA_/CEERE/RIZENI TYPE /CEERE/RIZENI,
      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: </CEERE/RIZENI> TYPE /CEERE/RIZENI.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /CEERE/RIZENI
  INTO TABLE IT_/CEERE/RIZENI.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /CEERE/RIZENI
*  INTO TABLE @DATA(IT_/CEERE/RIZENI2).
*--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_/CEERE/RIZENI INDEX 1 INTO DATA(WA_/CEERE/RIZENI2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/CEERE/RIZENI ASSIGNING </CEERE/RIZENI>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</CEERE/RIZENI>-MANDT = 1.
</CEERE/RIZENI>-BUKRS = 1.
</CEERE/RIZENI>-FIRSTGJAHR = 1.
</CEERE/RIZENI>-ZEMVYR = 1.
</CEERE/RIZENI>-FYZPRAV = 1.

ENDLOOP.

LOOP AT IT_/CEERE/RIZENI INTO WA_/CEERE/RIZENI.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/CEERE/RIZENI-FU_REG, sy-vline,
  WA_/CEERE/RIZENI-DIC1, sy-vline,
  WA_/CEERE/RIZENI-ICO, sy-vline,
  WA_/CEERE/RIZENI-HBKID, sy-vline,
  WA_/CEERE/RIZENI-HKTID, sy-vline,
  WA_/CEERE/RIZENI-KP_URL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/CEERE/RIZENI 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_/CEERE/RIZENI 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_/CEERE/RIZENI INTO WA_/CEERE/RIZENI.


*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 GJAHR, internal->external for field FIRSTGJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_/CEERE/RIZENI-FIRSTGJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/CEERE/RIZENI-FIRSTGJAHR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit SXIDN, internal->external for field EMAIL
CALL FUNCTION 'CONVERSION_EXIT_SXIDN_OUTPUT'
  EXPORTING
    input =                      WA_/CEERE/RIZENI-EMAIL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/CEERE/RIZENI-EMAIL.
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_/CEERE/RIZENI_STR, 
MANDT TYPE STRING,
BUKRS TYPE STRING,
FIRSTGJAHR TYPE STRING,
ZEMVYR TYPE STRING,
FYZPRAV TYPE STRING,
FU_REG TYPE STRING,
DIC1 TYPE STRING,
ICO TYPE STRING,
HBKID TYPE STRING,
HKTID TYPE STRING,
KP_URL TYPE STRING,
KP_URLWEB TYPE STRING,
MODE_REM TYPE STRING,
BSEG_KP TYPE STRING,
XBLART TYPE STRING,
NAME TYPE STRING,
DODNAME TYPE STRING,
C_OBCE TYPE STRING,
ULICE TYPE STRING,
C_POP TYPE STRING,
PSC TYPE STRING,
OKRES TYPE STRING,
STAT TYPE STRING,
C_TELEF TYPE STRING,
C_FAXU TYPE STRING,
MANKOEFMP TYPE STRING,
NAME2 TYPE STRING,
C_ORIENT TYPE STRING,
EMAIL TYPE STRING,
AUT16SUBT TYPE STRING,
ID_DATS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/CEERE/RIZENI_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_/CEERE/RIZENI_STR-MANDT sy-vline 
WA_/CEERE/RIZENI_STR-BUKRS sy-vline 
WA_/CEERE/RIZENI_STR-FIRSTGJAHR sy-vline 
WA_/CEERE/RIZENI_STR-ZEMVYR sy-vline 
WA_/CEERE/RIZENI_STR-FYZPRAV sy-vline 
WA_/CEERE/RIZENI_STR-FU_REG sy-vline 
WA_/CEERE/RIZENI_STR-DIC1 sy-vline 
WA_/CEERE/RIZENI_STR-ICO sy-vline 
WA_/CEERE/RIZENI_STR-HBKID sy-vline 
WA_/CEERE/RIZENI_STR-HKTID sy-vline 
WA_/CEERE/RIZENI_STR-KP_URL sy-vline 
WA_/CEERE/RIZENI_STR-KP_URLWEB sy-vline 
WA_/CEERE/RIZENI_STR-MODE_REM sy-vline 
WA_/CEERE/RIZENI_STR-BSEG_KP sy-vline 
WA_/CEERE/RIZENI_STR-XBLART sy-vline 
WA_/CEERE/RIZENI_STR-NAME sy-vline 
WA_/CEERE/RIZENI_STR-DODNAME sy-vline 
WA_/CEERE/RIZENI_STR-C_OBCE sy-vline 
WA_/CEERE/RIZENI_STR-ULICE sy-vline 
WA_/CEERE/RIZENI_STR-C_POP sy-vline 
WA_/CEERE/RIZENI_STR-PSC sy-vline 
WA_/CEERE/RIZENI_STR-OKRES sy-vline 
WA_/CEERE/RIZENI_STR-STAT sy-vline 
WA_/CEERE/RIZENI_STR-C_TELEF sy-vline 
WA_/CEERE/RIZENI_STR-C_FAXU sy-vline 
WA_/CEERE/RIZENI_STR-MANKOEFMP sy-vline 
WA_/CEERE/RIZENI_STR-NAME2 sy-vline 
WA_/CEERE/RIZENI_STR-C_ORIENT sy-vline 
WA_/CEERE/RIZENI_STR-EMAIL sy-vline 
WA_/CEERE/RIZENI_STR-AUT16SUBT sy-vline 
WA_/CEERE/RIZENI_STR-ID_DATS sy-vline      INTO ld_text SEPARATED BY SPACE.

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