ABAP Select data from SAP table COEP_ADDCUR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM COEP_ADDCUR
*  INTO TABLE @DATA(IT_COEP_ADDCUR2).
*--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_COEP_ADDCUR INDEX 1 INTO DATA(WA_COEP_ADDCUR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<COEP_ADDCUR>-AWAER = 1.
<COEP_ADDCUR>-VWAER = 1.
<COEP_ADDCUR>-BWAER = 1.
<COEP_ADDCUR>-CWAER = 1.
<COEP_ADDCUR>-DWAER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_COEP_ADDCUR-EWAER, sy-vline,
  WA_COEP_ADDCUR-FWAER, sy-vline,
  WA_COEP_ADDCUR-GWAER, sy-vline,
  WA_COEP_ADDCUR-HWAER, sy-vline,
  WA_COEP_ADDCUR-SWAER, sy-vline,
  WA_COEP_ADDCUR-WAGBTR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_COEP_ADDCUR 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_COEP_ADDCUR 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_COEP_ADDCUR INTO WA_COEP_ADDCUR.


*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 WAGBTR
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_COEP_ADDCUR-WAGBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_COEP_ADDCUR-WAGBTR.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

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

*Conversion exit AC152, internal->external for field WSGBTR
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_COEP_ADDCUR-WSGBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_COEP_ADDCUR-WSGBTR.
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_COEP_ADDCUR_STR, 
AWAER TYPE STRING,
VWAER TYPE STRING,
BWAER TYPE STRING,
CWAER TYPE STRING,
DWAER TYPE STRING,
EWAER TYPE STRING,
FWAER TYPE STRING,
GWAER TYPE STRING,
HWAER TYPE STRING,
SWAER TYPE STRING,
WAGBTR TYPE STRING,
WVGBTR TYPE STRING,
WBGBTR TYPE STRING,
WCGBTR TYPE STRING,
WDGBTR TYPE STRING,
WEGBTR TYPE STRING,
WFGBTR TYPE STRING,
WGGBTR TYPE STRING,
WHGBTR TYPE STRING,
WSGBTR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_COEP_ADDCUR_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_COEP_ADDCUR_STR-AWAER sy-vline 
WA_COEP_ADDCUR_STR-VWAER sy-vline 
WA_COEP_ADDCUR_STR-BWAER sy-vline 
WA_COEP_ADDCUR_STR-CWAER sy-vline 
WA_COEP_ADDCUR_STR-DWAER sy-vline 
WA_COEP_ADDCUR_STR-EWAER sy-vline 
WA_COEP_ADDCUR_STR-FWAER sy-vline 
WA_COEP_ADDCUR_STR-GWAER sy-vline 
WA_COEP_ADDCUR_STR-HWAER sy-vline 
WA_COEP_ADDCUR_STR-SWAER sy-vline 
WA_COEP_ADDCUR_STR-WAGBTR sy-vline 
WA_COEP_ADDCUR_STR-WVGBTR sy-vline 
WA_COEP_ADDCUR_STR-WBGBTR sy-vline 
WA_COEP_ADDCUR_STR-WCGBTR sy-vline 
WA_COEP_ADDCUR_STR-WDGBTR sy-vline 
WA_COEP_ADDCUR_STR-WEGBTR sy-vline 
WA_COEP_ADDCUR_STR-WFGBTR sy-vline 
WA_COEP_ADDCUR_STR-WGGBTR sy-vline 
WA_COEP_ADDCUR_STR-WHGBTR sy-vline 
WA_COEP_ADDCUR_STR-WSGBTR sy-vline      INTO ld_text SEPARATED BY SPACE.

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