ABAP Select data from SAP table CYKBEDQUAN into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CYKBEDQUAN
*  INTO TABLE @DATA(IT_CYKBEDQUAN2).
*--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_CYKBEDQUAN INDEX 1 INTO DATA(WA_CYKBEDQUAN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CYKBEDQUAN>-OTYPE = 1.
<CYKBEDQUAN>-PERNR = 1.
<CYKBEDQUAN>-BEGDA = 1.
<CYKBEDQUAN>-BEGZT = 1.
<CYKBEDQUAN>-ENDDA = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CYKBEDQUAN-ENDZT, sy-vline,
  WA_CYKBEDQUAN-KAPID, sy-vline,
  WA_CYKBEDQUAN-MGVRG, sy-vline,
  WA_CYKBEDQUAN-MEINH, sy-vline,
  WA_CYKBEDQUAN-FSTAD, sy-vline,
  WA_CYKBEDQUAN-FSTAU, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CYKBEDQUAN 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_CYKBEDQUAN 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_CYKBEDQUAN INTO WA_CYKBEDQUAN.


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

*Conversion exit CUNIT, internal->external for field ARBEH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CYKBEDQUAN-ARBEH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CYKBEDQUAN-ARBEH.
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_CYKBEDQUAN_STR, 
OTYPE TYPE STRING,
PERNR TYPE STRING,
BEGDA TYPE STRING,
BEGZT TYPE STRING,
ENDDA TYPE STRING,
ENDZT TYPE STRING,
KAPID TYPE STRING,
MGVRG TYPE STRING,
MEINH TYPE STRING,
FSTAD TYPE STRING,
FSTAU TYPE STRING,
FENDD TYPE STRING,
FENDU TYPE STRING,
SSTAD TYPE STRING,
SSTAU TYPE STRING,
SENDD TYPE STRING,
SENDU TYPE STRING,
VGW01 TYPE STRING,
VGW02 TYPE STRING,
VGW03 TYPE STRING,
VGW04 TYPE STRING,
VGW05 TYPE STRING,
VGW06 TYPE STRING,
SPLIT TYPE STRING,
KRUESOLL TYPE STRING,
KBEASOLL TYPE STRING,
KABRSOLL TYPE STRING,
ARBEI TYPE STRING,
ARBEH TYPE STRING,
ANZZL TYPE STRING,
DAUNO TYPE STRING,
OBJKZ TYPE STRING,
DELTA_ST TYPE STRING,
DELTA_EN TYPE STRING,
PER_EX TYPE STRING,
ERROR_CODE TYPE STRING,
KPVER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CYKBEDQUAN_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_CYKBEDQUAN_STR-OTYPE sy-vline 
WA_CYKBEDQUAN_STR-PERNR sy-vline 
WA_CYKBEDQUAN_STR-BEGDA sy-vline 
WA_CYKBEDQUAN_STR-BEGZT sy-vline 
WA_CYKBEDQUAN_STR-ENDDA sy-vline 
WA_CYKBEDQUAN_STR-ENDZT sy-vline 
WA_CYKBEDQUAN_STR-KAPID sy-vline 
WA_CYKBEDQUAN_STR-MGVRG sy-vline 
WA_CYKBEDQUAN_STR-MEINH sy-vline 
WA_CYKBEDQUAN_STR-FSTAD sy-vline 
WA_CYKBEDQUAN_STR-FSTAU sy-vline 
WA_CYKBEDQUAN_STR-FENDD sy-vline 
WA_CYKBEDQUAN_STR-FENDU sy-vline 
WA_CYKBEDQUAN_STR-SSTAD sy-vline 
WA_CYKBEDQUAN_STR-SSTAU sy-vline 
WA_CYKBEDQUAN_STR-SENDD sy-vline 
WA_CYKBEDQUAN_STR-SENDU sy-vline 
WA_CYKBEDQUAN_STR-VGW01 sy-vline 
WA_CYKBEDQUAN_STR-VGW02 sy-vline 
WA_CYKBEDQUAN_STR-VGW03 sy-vline 
WA_CYKBEDQUAN_STR-VGW04 sy-vline 
WA_CYKBEDQUAN_STR-VGW05 sy-vline 
WA_CYKBEDQUAN_STR-VGW06 sy-vline 
WA_CYKBEDQUAN_STR-SPLIT sy-vline 
WA_CYKBEDQUAN_STR-KRUESOLL sy-vline 
WA_CYKBEDQUAN_STR-KBEASOLL sy-vline 
WA_CYKBEDQUAN_STR-KABRSOLL sy-vline 
WA_CYKBEDQUAN_STR-ARBEI sy-vline 
WA_CYKBEDQUAN_STR-ARBEH sy-vline 
WA_CYKBEDQUAN_STR-ANZZL sy-vline 
WA_CYKBEDQUAN_STR-DAUNO sy-vline 
WA_CYKBEDQUAN_STR-OBJKZ sy-vline 
WA_CYKBEDQUAN_STR-DELTA_ST sy-vline 
WA_CYKBEDQUAN_STR-DELTA_EN sy-vline 
WA_CYKBEDQUAN_STR-PER_EX sy-vline 
WA_CYKBEDQUAN_STR-ERROR_CODE sy-vline 
WA_CYKBEDQUAN_STR-KPVER sy-vline      INTO ld_text SEPARATED BY SPACE.

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