ABAP Select data from SAP table EVU_COPASTAT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EVU_COPASTAT
*  INTO TABLE @DATA(IT_EVU_COPASTAT2).
*--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_EVU_COPASTAT INDEX 1 INTO DATA(WA_EVU_COPASTAT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EVU_COPASTAT>-ERKRS = 1.
<EVU_COPASTAT>-VRGAR = 1.
<EVU_COPASTAT>-PAOBJNR_S = 1.
<EVU_COPASTAT>-PAOBJNR_INT = 1.
<EVU_COPASTAT>-FIKEY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EVU_COPASTAT-BUDAT, sy-vline,
  WA_EVU_COPASTAT-BUKRS, sy-vline,
  WA_EVU_COPASTAT-PERIO, sy-vline,
  WA_EVU_COPASTAT-FI_GJAHR, sy-vline,
  WA_EVU_COPASTAT-FI_PERIOD, sy-vline,
  WA_EVU_COPASTAT-BELNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EVU_COPASTAT 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_EVU_COPASTAT 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_EVU_COPASTAT INTO WA_EVU_COPASTAT.


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

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

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

*Conversion exit CUNIT, internal->external for field MASSBILL
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_EVU_COPASTAT-MASSBILL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EVU_COPASTAT-MASSBILL.
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_EVU_COPASTAT_STR, 
ERKRS TYPE STRING,
VRGAR TYPE STRING,
PAOBJNR_S TYPE STRING,
PAOBJNR_INT TYPE STRING,
FIKEY TYPE STRING,
BUDAT TYPE STRING,
BUKRS TYPE STRING,
PERIO TYPE STRING,
FI_GJAHR TYPE STRING,
FI_PERIOD TYPE STRING,
BELNR TYPE STRING,
BELZEILE TYPE STRING,
XCANC TYPE STRING,
DIFFLINE TYPE STRING,
STGRQNT TYPE STRING,
STGRAMT TYPE STRING,
MASSBILL TYPE STRING,
WAERS TYPE STRING,
NETTOBTR TYPE STRING,
I_ABRMENGE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EVU_COPASTAT_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_EVU_COPASTAT_STR-ERKRS sy-vline 
WA_EVU_COPASTAT_STR-VRGAR sy-vline 
WA_EVU_COPASTAT_STR-PAOBJNR_S sy-vline 
WA_EVU_COPASTAT_STR-PAOBJNR_INT sy-vline 
WA_EVU_COPASTAT_STR-FIKEY sy-vline 
WA_EVU_COPASTAT_STR-BUDAT sy-vline 
WA_EVU_COPASTAT_STR-BUKRS sy-vline 
WA_EVU_COPASTAT_STR-PERIO sy-vline 
WA_EVU_COPASTAT_STR-FI_GJAHR sy-vline 
WA_EVU_COPASTAT_STR-FI_PERIOD sy-vline 
WA_EVU_COPASTAT_STR-BELNR sy-vline 
WA_EVU_COPASTAT_STR-BELZEILE sy-vline 
WA_EVU_COPASTAT_STR-XCANC sy-vline 
WA_EVU_COPASTAT_STR-DIFFLINE sy-vline 
WA_EVU_COPASTAT_STR-STGRQNT sy-vline 
WA_EVU_COPASTAT_STR-STGRAMT sy-vline 
WA_EVU_COPASTAT_STR-MASSBILL sy-vline 
WA_EVU_COPASTAT_STR-WAERS sy-vline 
WA_EVU_COPASTAT_STR-NETTOBTR sy-vline 
WA_EVU_COPASTAT_STR-I_ABRMENGE sy-vline      INTO ld_text SEPARATED BY SPACE.

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