ABAP Select data from SAP table CEST1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CEST1 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 CEST1. 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 CEST1 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_CEST1 TYPE STANDARD TABLE OF CEST1,
      WA_CEST1 TYPE CEST1,
      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: <CEST1> TYPE CEST1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_CEST1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM CEST1
  INTO TABLE IT_CEST1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CEST1
*  INTO TABLE @DATA(IT_CEST12).
*--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_CEST1 INDEX 1 INTO DATA(WA_CEST12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_CEST1 ASSIGNING <CEST1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CEST1>-MANDT = 1.
<CEST1>-PALEDGER = 1.
<CEST1>-VRGAR = 1.
<CEST1>-VERSI = 1.
<CEST1>-PERIO = 1.

ENDLOOP.

LOOP AT IT_CEST1 INTO WA_CEST1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CEST1-PAOBJNR, sy-vline,
  WA_CEST1-PASUBNR, sy-vline,
  WA_CEST1-BELNR, sy-vline,
  WA_CEST1-POSNR, sy-vline,
  WA_CEST1-HZDAT, sy-vline,
  WA_CEST1-USNAM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CEST1 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_CEST1 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_CEST1 INTO WA_CEST1.


*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 LEDBO, internal->external for field PALEDGER
CALL FUNCTION 'CONVERSION_EXIT_LEDBO_OUTPUT'
  EXPORTING
    input =                      WA_CEST1-PALEDGER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CEST1-PALEDGER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VERSI
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CEST1-VERSI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CEST1-VERSI.
WRITE:/ 'New Value:', ld_input.

*Conversion exit PERI7, internal->external for field PERIO
CALL FUNCTION 'CONVERSION_EXIT_PERI7_OUTPUT'
  EXPORTING
    input =                      WA_CEST1-PERIO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CEST1-PERIO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CEST1-BELNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CEST1-BELNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_CEST1-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CEST1-GJAHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit PERI7, internal->external for field ALTPERIO
CALL FUNCTION 'CONVERSION_EXIT_PERI7_OUTPUT'
  EXPORTING
    input =                      WA_CEST1-ALTPERIO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CEST1-ALTPERIO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KNDNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CEST1-KNDNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CEST1-KNDNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field ARTNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_CEST1-ARTNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CEST1-ARTNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXCRT, internal->external for field KURSF
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_CEST1-KURSF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CEST1-KURSF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXCRT, internal->external for field KURSBK
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_CEST1-KURSBK
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CEST1-KURSBK.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXCRT, internal->external for field KURSKZ
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_CEST1-KURSKZ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CEST1-KURSKZ.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KAUFN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CEST1-KAUFN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CEST1-KAUFN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RKAUFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CEST1-RKAUFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CEST1-RKAUFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SKOST
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CEST1-SKOST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CEST1-SKOST.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PRZNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CEST1-PRZNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CEST1-PRZNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SEGMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CEST1-SEGMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CEST1-SEGMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KSTAR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CEST1-KSTAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CEST1-KSTAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSP, internal->external for field PSPNR
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_CEST1-PSPNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CEST1-PSPNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field COPA_KOSTL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CEST1-COPA_KOSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CEST1-COPA_KOSTL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CEST1-RBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CEST1-RBELN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field STO_BELNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CEST1-STO_BELNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CEST1-STO_BELNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PRCTR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CEST1-PRCTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CEST1-PRCTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PPRCTR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CEST1-PPRCTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CEST1-PPRCTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field COPA_AWSYS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CEST1-COPA_AWSYS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CEST1-COPA_AWSYS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SERVICE_DOC_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CEST1-SERVICE_DOC_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CEST1-SERVICE_DOC_ID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LOGSYS_SENDER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CEST1-LOGSYS_SENDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CEST1-LOGSYS_SENDER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELNR_SENDER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CEST1-BELNR_SENDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CEST1-BELNR_SENDER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SOLUTION_ORDER_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CEST1-SOLUTION_ORDER_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CEST1-SOLUTION_ORDER_ID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VTKEY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CEST1-VTKEY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CEST1-VTKEY.
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_CEST1_STR, 
MANDT TYPE STRING,
PALEDGER TYPE STRING,
VRGAR TYPE STRING,
VERSI TYPE STRING,
PERIO TYPE STRING,
PAOBJNR TYPE STRING,
PASUBNR TYPE STRING,
BELNR TYPE STRING,
POSNR TYPE STRING,
HZDAT TYPE STRING,
USNAM TYPE STRING,
GJAHR TYPE STRING,
PERDE TYPE STRING,
WADAT TYPE STRING,
FADAT TYPE STRING,
BUDAT TYPE STRING,
ALTPERIO TYPE STRING,
PAPAOBJNR TYPE STRING,
PAPASUBNR TYPE STRING,
KNDNR TYPE STRING,
ARTNR TYPE STRING,
FKART TYPE STRING,
FRWAE TYPE STRING,
KURSF TYPE STRING,
KURSBK TYPE STRING,
KURSKZ TYPE STRING,
REC_WAERS TYPE STRING,
KAUFN TYPE STRING,
KDPOS TYPE STRING,
RKAUFNR TYPE STRING,
SKOST TYPE STRING,
PRZNR TYPE STRING,
BUKRS TYPE STRING,
KOKRS TYPE STRING,
WERKS TYPE STRING,
GSBER TYPE STRING,
FKBER TYPE STRING,
SEGMENT TYPE STRING,
VKORG TYPE STRING,
VTWEG TYPE STRING,
SPART TYPE STRING,
HRKFT TYPE STRING,
PLIKZ TYPE STRING,
KSTAR TYPE STRING,
PSPNR TYPE STRING,
COPA_KOSTL TYPE STRING,
KSTRG TYPE STRING,
RBELN TYPE STRING,
RPOSN TYPE STRING,
STO_BELNR TYPE STRING,
STO_POSNR TYPE STRING,
PRCTR TYPE STRING,
PPRCTR TYPE STRING,
RKESTATU TYPE STRING,
TIMESTMP TYPE STRING,
COPA_AWTYP TYPE STRING,
COPA_AWORG TYPE STRING,
COPA_BWZPT TYPE STRING,
COPA_AWSYS TYPE STRING,
SERVICE_DOC_TYPE TYPE STRING,
SERVICE_DOC_ID TYPE STRING,
SERVICE_DOC_ITEM_ID TYPE STRING,
LOGSYS_SENDER TYPE STRING,
ERKRS_SENDER TYPE STRING,
BELNR_SENDER TYPE STRING,
POSNR_SENDER TYPE STRING,
VRGAR_SENDER TYPE STRING,
BUKRS_SENDER TYPE STRING,
REPROCESSING_STATUS_CODE TYPE STRING,
SOLUTION_ORDER_ID TYPE STRING,
SOLUTION_ORDER_ITEM_ID TYPE STRING,
VTKEY TYPE STRING,
VTPOS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CEST1_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_CEST1_STR-MANDT sy-vline 
WA_CEST1_STR-PALEDGER sy-vline 
WA_CEST1_STR-VRGAR sy-vline 
WA_CEST1_STR-VERSI sy-vline 
WA_CEST1_STR-PERIO sy-vline 
WA_CEST1_STR-PAOBJNR sy-vline 
WA_CEST1_STR-PASUBNR sy-vline 
WA_CEST1_STR-BELNR sy-vline 
WA_CEST1_STR-POSNR sy-vline 
WA_CEST1_STR-HZDAT sy-vline 
WA_CEST1_STR-USNAM sy-vline 
WA_CEST1_STR-GJAHR sy-vline 
WA_CEST1_STR-PERDE sy-vline 
WA_CEST1_STR-WADAT sy-vline 
WA_CEST1_STR-FADAT sy-vline 
WA_CEST1_STR-BUDAT sy-vline 
WA_CEST1_STR-ALTPERIO sy-vline 
WA_CEST1_STR-PAPAOBJNR sy-vline 
WA_CEST1_STR-PAPASUBNR sy-vline 
WA_CEST1_STR-KNDNR sy-vline 
WA_CEST1_STR-ARTNR sy-vline 
WA_CEST1_STR-FKART sy-vline 
WA_CEST1_STR-FRWAE sy-vline 
WA_CEST1_STR-KURSF sy-vline 
WA_CEST1_STR-KURSBK sy-vline 
WA_CEST1_STR-KURSKZ sy-vline 
WA_CEST1_STR-REC_WAERS sy-vline 
WA_CEST1_STR-KAUFN sy-vline 
WA_CEST1_STR-KDPOS sy-vline 
WA_CEST1_STR-RKAUFNR sy-vline 
WA_CEST1_STR-SKOST sy-vline 
WA_CEST1_STR-PRZNR sy-vline 
WA_CEST1_STR-BUKRS sy-vline 
WA_CEST1_STR-KOKRS sy-vline 
WA_CEST1_STR-WERKS sy-vline 
WA_CEST1_STR-GSBER sy-vline 
WA_CEST1_STR-FKBER sy-vline 
WA_CEST1_STR-SEGMENT sy-vline 
WA_CEST1_STR-VKORG sy-vline 
WA_CEST1_STR-VTWEG sy-vline 
WA_CEST1_STR-SPART sy-vline 
WA_CEST1_STR-HRKFT sy-vline 
WA_CEST1_STR-PLIKZ sy-vline 
WA_CEST1_STR-KSTAR sy-vline 
WA_CEST1_STR-PSPNR sy-vline 
WA_CEST1_STR-COPA_KOSTL sy-vline 
WA_CEST1_STR-KSTRG sy-vline 
WA_CEST1_STR-RBELN sy-vline 
WA_CEST1_STR-RPOSN sy-vline 
WA_CEST1_STR-STO_BELNR sy-vline 
WA_CEST1_STR-STO_POSNR sy-vline 
WA_CEST1_STR-PRCTR sy-vline 
WA_CEST1_STR-PPRCTR sy-vline 
WA_CEST1_STR-RKESTATU sy-vline 
WA_CEST1_STR-TIMESTMP sy-vline 
WA_CEST1_STR-COPA_AWTYP sy-vline 
WA_CEST1_STR-COPA_AWORG sy-vline 
WA_CEST1_STR-COPA_BWZPT sy-vline 
WA_CEST1_STR-COPA_AWSYS sy-vline 
WA_CEST1_STR-SERVICE_DOC_TYPE sy-vline 
WA_CEST1_STR-SERVICE_DOC_ID sy-vline 
WA_CEST1_STR-SERVICE_DOC_ITEM_ID sy-vline 
WA_CEST1_STR-LOGSYS_SENDER sy-vline 
WA_CEST1_STR-ERKRS_SENDER sy-vline 
WA_CEST1_STR-BELNR_SENDER sy-vline 
WA_CEST1_STR-POSNR_SENDER sy-vline 
WA_CEST1_STR-VRGAR_SENDER sy-vline 
WA_CEST1_STR-BUKRS_SENDER sy-vline 
WA_CEST1_STR-REPROCESSING_STATUS_CODE sy-vline 
WA_CEST1_STR-SOLUTION_ORDER_ID sy-vline 
WA_CEST1_STR-SOLUTION_ORDER_ITEM_ID sy-vline 
WA_CEST1_STR-VTKEY sy-vline 
WA_CEST1_STR-VTPOS sy-vline      INTO ld_text SEPARATED BY SPACE.

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