ABAP Select data from SAP table CE4S_AL_ACCT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CE4S_AL_ACCT 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 CE4S_AL_ACCT. 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 CE4S_AL_ACCT 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_CE4S_AL_ACCT TYPE STANDARD TABLE OF CE4S_AL_ACCT,
      WA_CE4S_AL_ACCT TYPE CE4S_AL_ACCT,
      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: <CE4S_AL_ACCT> TYPE CE4S_AL_ACCT.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_CE4S_AL_ACCT.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM CE4S_AL_ACCT
  INTO TABLE IT_CE4S_AL_ACCT.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CE4S_AL_ACCT
*  INTO TABLE @DATA(IT_CE4S_AL_ACCT2).
*--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_CE4S_AL_ACCT INDEX 1 INTO DATA(WA_CE4S_AL_ACCT2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_CE4S_AL_ACCT ASSIGNING <CE4S_AL_ACCT>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CE4S_AL_ACCT>-MANDT = 1.
<CE4S_AL_ACCT>-AKTBO = 1.
<CE4S_AL_ACCT>-PAOBJNR = 1.
<CE4S_AL_ACCT>-PASUBNR = 1.
<CE4S_AL_ACCT>-BISDAT = 1.

ENDLOOP.

LOOP AT IT_CE4S_AL_ACCT INTO WA_CE4S_AL_ACCT.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CE4S_AL_ACCT-KNDNR, sy-vline,
  WA_CE4S_AL_ACCT-ARTNR, sy-vline,
  WA_CE4S_AL_ACCT-FKART, sy-vline,
  WA_CE4S_AL_ACCT-KAUFN, sy-vline,
  WA_CE4S_AL_ACCT-KDPOS, sy-vline,
  WA_CE4S_AL_ACCT-AUFNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CE4S_AL_ACCT 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_CE4S_AL_ACCT 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_CE4S_AL_ACCT INTO WA_CE4S_AL_ACCT.


*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 KNDNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CE4S_AL_ACCT-KNDNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CE4S_AL_ACCT-KNDNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field ARTNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_CE4S_AL_ACCT-ARTNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CE4S_AL_ACCT-ARTNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KAUFN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CE4S_AL_ACCT-KAUFN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CE4S_AL_ACCT-KAUFN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AUFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CE4S_AL_ACCT-AUFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CE4S_AL_ACCT-AUFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PRCTR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CE4S_AL_ACCT-PRCTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CE4S_AL_ACCT-PRCTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PPRCTR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CE4S_AL_ACCT-PPRCTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CE4S_AL_ACCT-PPRCTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSP, internal->external for field PSPNR
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_CE4S_AL_ACCT-PSPNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CE4S_AL_ACCT-PSPNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CE4S_AL_ACCT-MEINH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CE4S_AL_ACCT-MEINH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field KWBLOK_ME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CE4S_AL_ACCT-KWBLOK_ME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CE4S_AL_ACCT-KWBLOK_ME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field KWFLHR_ME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CE4S_AL_ACCT-KWFLHR_ME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CE4S_AL_ACCT-KWFLHR_ME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field KWFLKM_ME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CE4S_AL_ACCT-KWFLKM_ME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CE4S_AL_ACCT-KWFLKM_ME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field KWFUEL_ME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CE4S_AL_ACCT-KWFUEL_ME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CE4S_AL_ACCT-KWFUEL_ME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field KWPAXS_ME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CE4S_AL_ACCT-KWPAXS_ME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CE4S_AL_ACCT-KWPAXS_ME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field KWSEAT_ME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CE4S_AL_ACCT-KWSEAT_ME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CE4S_AL_ACCT-KWSEAT_ME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field KWBKPZ_ME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CE4S_AL_ACCT-KWBKPZ_ME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CE4S_AL_ACCT-KWBKPZ_ME.
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_CE4S_AL_ACCT_STR, 
MANDT TYPE STRING,
AKTBO TYPE STRING,
PAOBJNR TYPE STRING,
PASUBNR TYPE STRING,
BISDAT TYPE STRING,
KNDNR TYPE STRING,
ARTNR TYPE STRING,
FKART TYPE STRING,
KAUFN TYPE STRING,
KDPOS TYPE STRING,
AUFNR TYPE STRING,
BUKRS TYPE STRING,
KOKRS TYPE STRING,
WERKS TYPE STRING,
GSBER TYPE STRING,
VKORG TYPE STRING,
VTWEG TYPE STRING,
SPART TYPE STRING,
PRCTR TYPE STRING,
PPRCTR TYPE STRING,
KSTRG TYPE STRING,
PSPNR TYPE STRING,
MEINH TYPE STRING,
CE4KEY TYPE STRING,
ACCT_BUDAT TYPE STRING,
ACCT_VRGNG TYPE STRING,
KMATYP TYPE STRING,
KMDEST TYPE STRING,
KMFLTN TYPE STRING,
KMFLTY TYPE STRING,
KMIATA TYPE STRING,
KMLEGS TYPE STRING,
KMOPDY TYPE STRING,
KMORIG TYPE STRING,
KMROUT TYPE STRING,
KMZONE TYPE STRING,
KWBLOK_ME TYPE STRING,
KWFLHR_ME TYPE STRING,
KWFLKM_ME TYPE STRING,
KWFUEL_ME TYPE STRING,
KWPAXS_ME TYPE STRING,
KWSEAT_ME TYPE STRING,
KWBKPZ_ME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CE4S_AL_ACCT_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_CE4S_AL_ACCT_STR-MANDT sy-vline 
WA_CE4S_AL_ACCT_STR-AKTBO sy-vline 
WA_CE4S_AL_ACCT_STR-PAOBJNR sy-vline 
WA_CE4S_AL_ACCT_STR-PASUBNR sy-vline 
WA_CE4S_AL_ACCT_STR-BISDAT sy-vline 
WA_CE4S_AL_ACCT_STR-KNDNR sy-vline 
WA_CE4S_AL_ACCT_STR-ARTNR sy-vline 
WA_CE4S_AL_ACCT_STR-FKART sy-vline 
WA_CE4S_AL_ACCT_STR-KAUFN sy-vline 
WA_CE4S_AL_ACCT_STR-KDPOS sy-vline 
WA_CE4S_AL_ACCT_STR-AUFNR sy-vline 
WA_CE4S_AL_ACCT_STR-BUKRS sy-vline 
WA_CE4S_AL_ACCT_STR-KOKRS sy-vline 
WA_CE4S_AL_ACCT_STR-WERKS sy-vline 
WA_CE4S_AL_ACCT_STR-GSBER sy-vline 
WA_CE4S_AL_ACCT_STR-VKORG sy-vline 
WA_CE4S_AL_ACCT_STR-VTWEG sy-vline 
WA_CE4S_AL_ACCT_STR-SPART sy-vline 
WA_CE4S_AL_ACCT_STR-PRCTR sy-vline 
WA_CE4S_AL_ACCT_STR-PPRCTR sy-vline 
WA_CE4S_AL_ACCT_STR-KSTRG sy-vline 
WA_CE4S_AL_ACCT_STR-PSPNR sy-vline 
WA_CE4S_AL_ACCT_STR-MEINH sy-vline 
WA_CE4S_AL_ACCT_STR-CE4KEY sy-vline 
WA_CE4S_AL_ACCT_STR-ACCT_BUDAT sy-vline 
WA_CE4S_AL_ACCT_STR-ACCT_VRGNG sy-vline 
WA_CE4S_AL_ACCT_STR-KMATYP sy-vline 
WA_CE4S_AL_ACCT_STR-KMDEST sy-vline 
WA_CE4S_AL_ACCT_STR-KMFLTN sy-vline 
WA_CE4S_AL_ACCT_STR-KMFLTY sy-vline 
WA_CE4S_AL_ACCT_STR-KMIATA sy-vline 
WA_CE4S_AL_ACCT_STR-KMLEGS sy-vline 
WA_CE4S_AL_ACCT_STR-KMOPDY sy-vline 
WA_CE4S_AL_ACCT_STR-KMORIG sy-vline 
WA_CE4S_AL_ACCT_STR-KMROUT sy-vline 
WA_CE4S_AL_ACCT_STR-KMZONE sy-vline 
WA_CE4S_AL_ACCT_STR-KWBLOK_ME sy-vline 
WA_CE4S_AL_ACCT_STR-KWFLHR_ME sy-vline 
WA_CE4S_AL_ACCT_STR-KWFLKM_ME sy-vline 
WA_CE4S_AL_ACCT_STR-KWFUEL_ME sy-vline 
WA_CE4S_AL_ACCT_STR-KWPAXS_ME sy-vline 
WA_CE4S_AL_ACCT_STR-KWSEAT_ME sy-vline 
WA_CE4S_AL_ACCT_STR-KWBKPZ_ME sy-vline      INTO ld_text SEPARATED BY SPACE.

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