ABAP Select data from SAP table CECOEPE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CECOEPE
*  INTO TABLE @DATA(IT_CECOEPE2).
*--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_CECOEPE INDEX 1 INTO DATA(WA_CECOEPE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CECOEPE>-WTGBTR = 1.
<CECOEPE>-WOGBTR = 1.
<CECOEPE>-WKGBTR = 1.
<CECOEPE>-WKFBTR = 1.
<CECOEPE>-MEGBTR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CECOEPE-MEINH, sy-vline,
  WA_CECOEPE-QUANT1, sy-vline,
  WA_CECOEPE-QUANT2, sy-vline,
  WA_CECOEPE-QUANT3, sy-vline,
  WA_CECOEPE-QUNIT1, sy-vline,
  WA_CECOEPE-QUNIT2, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CECOEPE 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_CECOEPE 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_CECOEPE INTO WA_CECOEPE.


*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 AC152, internal->external for field WTGBTR
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_CECOEPE-WTGBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CECOEPE-WTGBTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field WOGBTR
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_CECOEPE-WOGBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CECOEPE-WOGBTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field WKGBTR
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_CECOEPE-WKGBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CECOEPE-WKGBTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field WKFBTR
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_CECOEPE-WKFBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CECOEPE-WKFBTR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit CUNIT, internal->external for field QUNIT1
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CECOEPE-QUNIT1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CECOEPE-QUNIT1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field QUNIT2
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CECOEPE-QUNIT2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CECOEPE-QUNIT2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field QUNIT3
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CECOEPE-QUNIT3
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CECOEPE-QUNIT3.
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_CECOEPE_STR, 
WTGBTR TYPE STRING,
WOGBTR TYPE STRING,
WKGBTR TYPE STRING,
WKFBTR TYPE STRING,
MEGBTR TYPE STRING,
MEINH TYPE STRING,
QUANT1 TYPE STRING,
QUANT2 TYPE STRING,
QUANT3 TYPE STRING,
QUNIT1 TYPE STRING,
QUNIT2 TYPE STRING,
QUNIT3 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CECOEPE_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_CECOEPE_STR-WTGBTR sy-vline 
WA_CECOEPE_STR-WOGBTR sy-vline 
WA_CECOEPE_STR-WKGBTR sy-vline 
WA_CECOEPE_STR-WKFBTR sy-vline 
WA_CECOEPE_STR-MEGBTR sy-vline 
WA_CECOEPE_STR-MEINH sy-vline 
WA_CECOEPE_STR-QUANT1 sy-vline 
WA_CECOEPE_STR-QUANT2 sy-vline 
WA_CECOEPE_STR-QUANT3 sy-vline 
WA_CECOEPE_STR-QUNIT1 sy-vline 
WA_CECOEPE_STR-QUNIT2 sy-vline 
WA_CECOEPE_STR-QUNIT3 sy-vline      INTO ld_text SEPARATED BY SPACE.

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