ABAP Select data from SAP table CFIN_AIF_CE_SER into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CFIN_AIF_CE_SER
*  INTO TABLE @DATA(IT_CFIN_AIF_CE_SER2).
*--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_CFIN_AIF_CE_SER INDEX 1 INTO DATA(WA_CFIN_AIF_CE_SER2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CFIN_AIF_CE_SER>-MANDT = 1.
<CFIN_AIF_CE_SER>-MSGGUID = 1.
<CFIN_AIF_CE_SER>-SEQNR = 1.
<CFIN_AIF_CE_SER>-LOGSYSTEM = 1.
<CFIN_AIF_CE_SER>-BZOBJ = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CFIN_AIF_CE_SER-KALNR, sy-vline,
  WA_CFIN_AIF_CE_SER-KALKA, sy-vline,
  WA_CFIN_AIF_CE_SER-KADKY, sy-vline,
  WA_CFIN_AIF_CE_SER-TVERS, sy-vline,
  WA_CFIN_AIF_CE_SER-BWVAR, sy-vline,
  WA_CFIN_AIF_CE_SER-KKZMA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CFIN_AIF_CE_SER 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_CFIN_AIF_CE_SER 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_CFIN_AIF_CE_SER INTO WA_CFIN_AIF_CE_SER.


*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 LOGSYSTEM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CFIN_AIF_CE_SER-LOGSYSTEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CFIN_AIF_CE_SER-LOGSYSTEM.
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_CFIN_AIF_CE_SER_STR, 
MANDT TYPE STRING,
MSGGUID TYPE STRING,
SEQNR TYPE STRING,
LOGSYSTEM TYPE STRING,
BZOBJ TYPE STRING,
KALNR TYPE STRING,
KALKA TYPE STRING,
KADKY TYPE STRING,
TVERS TYPE STRING,
BWVAR TYPE STRING,
KKZMA TYPE STRING,
DATE_FIELD TYPE STRING,
TIME_FIELD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CFIN_AIF_CE_SER_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_CFIN_AIF_CE_SER_STR-MANDT sy-vline 
WA_CFIN_AIF_CE_SER_STR-MSGGUID sy-vline 
WA_CFIN_AIF_CE_SER_STR-SEQNR sy-vline 
WA_CFIN_AIF_CE_SER_STR-LOGSYSTEM sy-vline 
WA_CFIN_AIF_CE_SER_STR-BZOBJ sy-vline 
WA_CFIN_AIF_CE_SER_STR-KALNR sy-vline 
WA_CFIN_AIF_CE_SER_STR-KALKA sy-vline 
WA_CFIN_AIF_CE_SER_STR-KADKY sy-vline 
WA_CFIN_AIF_CE_SER_STR-TVERS sy-vline 
WA_CFIN_AIF_CE_SER_STR-BWVAR sy-vline 
WA_CFIN_AIF_CE_SER_STR-KKZMA sy-vline 
WA_CFIN_AIF_CE_SER_STR-DATE_FIELD sy-vline 
WA_CFIN_AIF_CE_SER_STR-TIME_FIELD sy-vline      INTO ld_text SEPARATED BY SPACE.

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