ABAP Select data from SAP table /TDAG/CPS_BOS_COMP_UCOV_ADD into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /TDAG/CPS_BOS_COMP_UCOV_ADD 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 /TDAG/CPS_BOS_COMP_UCOV_ADD. 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 /TDAG/CPS_BOS_COMP_UCOV_ADD 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_/TDAG/CPS_BOS_COMP_UCOV_ADD TYPE STANDARD TABLE OF /TDAG/CPS_BOS_COMP_UCOV_ADD,
      WA_/TDAG/CPS_BOS_COMP_UCOV_ADD TYPE /TDAG/CPS_BOS_COMP_UCOV_ADD,
      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: </TDAG/CPS_BOS_COMP_UCOV_ADD> TYPE /TDAG/CPS_BOS_COMP_UCOV_ADD.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /TDAG/CPS_BOS_COMP_UCOV_ADD
  INTO TABLE IT_/TDAG/CPS_BOS_COMP_UCOV_ADD.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /TDAG/CPS_BOS_COMP_UCOV_ADD
*  INTO TABLE @DATA(IT_/TDAG/CPS_BOS_COMP_UCOV_ADD2).
*--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_/TDAG/CPS_BOS_COMP_UCOV_ADD INDEX 1 INTO DATA(WA_/TDAG/CPS_BOS_COMP_UCOV_ADD2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/TDAG/CPS_BOS_COMP_UCOV_ADD ASSIGNING </TDAG/CPS_BOS_COMP_UCOV_ADD>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</TDAG/CPS_BOS_COMP_UCOV_ADD>-KEY = 1.
</TDAG/CPS_BOS_COMP_UCOV_ADD>-KEYROOT = 1.
</TDAG/CPS_BOS_COMP_UCOV_ADD>-KEYHOMO = 1.
</TDAG/CPS_BOS_COMP_UCOV_ADD>-SUBID = 1.
</TDAG/CPS_BOS_COMP_UCOV_ADD>-RECN = 1.

ENDLOOP.

LOOP AT IT_/TDAG/CPS_BOS_COMP_UCOV_ADD INTO WA_/TDAG/CPS_BOS_COMP_UCOV_ADD.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/TDAG/CPS_BOS_COMP_UCOV_ADD-ACTN, sy-vline,
  WA_/TDAG/CPS_BOS_COMP_UCOV_ADD-MATNR, sy-vline,
  WA_/TDAG/CPS_BOS_COMP_UCOV_ADD-FLG_IS_SOLD, sy-vline,
  WA_/TDAG/CPS_BOS_COMP_UCOV_ADD-FLG_IS_PURCHASED, sy-vline,
  WA_/TDAG/CPS_BOS_COMP_UCOV_ADD-FLG_EXTSPEC_EXIST, sy-vline,
  WA_/TDAG/CPS_BOS_COMP_UCOV_ADD-FLG_PURE_EXIST, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/TDAG/CPS_BOS_COMP_UCOV_ADD 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_/TDAG/CPS_BOS_COMP_UCOV_ADD 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_/TDAG/CPS_BOS_COMP_UCOV_ADD INTO WA_/TDAG/CPS_BOS_COMP_UCOV_ADD.


*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 SPEC1, internal->external for field SUBID
CALL FUNCTION 'CONVERSION_EXIT_SPEC1_OUTPUT'
  EXPORTING
    input =                      WA_/TDAG/CPS_BOS_COMP_UCOV_ADD-SUBID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/TDAG/CPS_BOS_COMP_UCOV_ADD-SUBID.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit ALPHA, internal->external for field PERSNUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/TDAG/CPS_BOS_COMP_UCOV_ADD-PERSNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/TDAG/CPS_BOS_COMP_UCOV_ADD-PERSNUMBER.
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_/TDAG/CPS_BOS_COMP_UCOV_ADD_STR, 
KEY TYPE STRING,
KEYROOT TYPE STRING,
KEYHOMO TYPE STRING,
SUBID TYPE STRING,
RECN TYPE STRING,
ACTN TYPE STRING,
MATNR TYPE STRING,
FLG_IS_SOLD TYPE STRING,
FLG_IS_PURCHASED TYPE STRING,
FLG_EXTSPEC_EXIST TYPE STRING,
FLG_PURE_EXIST TYPE STRING,
FLG_MONOMER_EXIST TYPE STRING,
FLG_IS_SUPPL_EXTSPEC TYPE STRING,
FLG_IS_SUPPL_VIRTUAL TYPE STRING,
FLG_NO_UDET TYPE STRING,
FLG_NO_ASSM TYPE STRING,
FLG_ASSM_REQ TYPE STRING,
FLG_IS_RELEVANT TYPE STRING,
FLG_IS_ARTICLE TYPE STRING,
FLG_IS_HAZARD TYPE STRING,
FLG_IS_EXEMPTED TYPE STRING,
FLG_IS_POLYMER TYPE STRING,
FLG_IS_MONOMER TYPE STRING,
FLG_USES_MAINTAINED TYPE STRING,
FLG_ONE_STATUS_DETERMINED TYPE STRING,
FLG_ALL_STATUS_DETERMINED TYPE STRING,
PERSNUMBER TYPE STRING,
SEND_TO_EXTERNAL_IMMEDIATELY TYPE STRING,
EKORG TYPE STRING,
WERKS TYPE STRING,
VKORG TYPE STRING,
VTWEG TYPE STRING,
SPART TYPE STRING,
SUPPLIER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/TDAG/CPS_BOS_COMP_UCOV_ADD_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_/TDAG/CPS_BOS_COMP_UCOV_ADD_STR-KEY sy-vline 
WA_/TDAG/CPS_BOS_COMP_UCOV_ADD_STR-KEYROOT sy-vline 
WA_/TDAG/CPS_BOS_COMP_UCOV_ADD_STR-KEYHOMO sy-vline 
WA_/TDAG/CPS_BOS_COMP_UCOV_ADD_STR-SUBID sy-vline 
WA_/TDAG/CPS_BOS_COMP_UCOV_ADD_STR-RECN sy-vline 
WA_/TDAG/CPS_BOS_COMP_UCOV_ADD_STR-ACTN sy-vline 
WA_/TDAG/CPS_BOS_COMP_UCOV_ADD_STR-MATNR sy-vline 
WA_/TDAG/CPS_BOS_COMP_UCOV_ADD_STR-FLG_IS_SOLD sy-vline 
WA_/TDAG/CPS_BOS_COMP_UCOV_ADD_STR-FLG_IS_PURCHASED sy-vline 
WA_/TDAG/CPS_BOS_COMP_UCOV_ADD_STR-FLG_EXTSPEC_EXIST sy-vline 
WA_/TDAG/CPS_BOS_COMP_UCOV_ADD_STR-FLG_PURE_EXIST sy-vline 
WA_/TDAG/CPS_BOS_COMP_UCOV_ADD_STR-FLG_MONOMER_EXIST sy-vline 
WA_/TDAG/CPS_BOS_COMP_UCOV_ADD_STR-FLG_IS_SUPPL_EXTSPEC sy-vline 
WA_/TDAG/CPS_BOS_COMP_UCOV_ADD_STR-FLG_IS_SUPPL_VIRTUAL sy-vline 
WA_/TDAG/CPS_BOS_COMP_UCOV_ADD_STR-FLG_NO_UDET sy-vline 
WA_/TDAG/CPS_BOS_COMP_UCOV_ADD_STR-FLG_NO_ASSM sy-vline 
WA_/TDAG/CPS_BOS_COMP_UCOV_ADD_STR-FLG_ASSM_REQ sy-vline 
WA_/TDAG/CPS_BOS_COMP_UCOV_ADD_STR-FLG_IS_RELEVANT sy-vline 
WA_/TDAG/CPS_BOS_COMP_UCOV_ADD_STR-FLG_IS_ARTICLE sy-vline 
WA_/TDAG/CPS_BOS_COMP_UCOV_ADD_STR-FLG_IS_HAZARD sy-vline 
WA_/TDAG/CPS_BOS_COMP_UCOV_ADD_STR-FLG_IS_EXEMPTED sy-vline 
WA_/TDAG/CPS_BOS_COMP_UCOV_ADD_STR-FLG_IS_POLYMER sy-vline 
WA_/TDAG/CPS_BOS_COMP_UCOV_ADD_STR-FLG_IS_MONOMER sy-vline 
WA_/TDAG/CPS_BOS_COMP_UCOV_ADD_STR-FLG_USES_MAINTAINED sy-vline 
WA_/TDAG/CPS_BOS_COMP_UCOV_ADD_STR-FLG_ONE_STATUS_DETERMINED sy-vline 
WA_/TDAG/CPS_BOS_COMP_UCOV_ADD_STR-FLG_ALL_STATUS_DETERMINED sy-vline 
WA_/TDAG/CPS_BOS_COMP_UCOV_ADD_STR-PERSNUMBER sy-vline 
WA_/TDAG/CPS_BOS_COMP_UCOV_ADD_STR-SEND_TO_EXTERNAL_IMMEDIATELY sy-vline 
WA_/TDAG/CPS_BOS_COMP_UCOV_ADD_STR-EKORG sy-vline 
WA_/TDAG/CPS_BOS_COMP_UCOV_ADD_STR-WERKS sy-vline 
WA_/TDAG/CPS_BOS_COMP_UCOV_ADD_STR-VKORG sy-vline 
WA_/TDAG/CPS_BOS_COMP_UCOV_ADD_STR-VTWEG sy-vline 
WA_/TDAG/CPS_BOS_COMP_UCOV_ADD_STR-SPART sy-vline 
WA_/TDAG/CPS_BOS_COMP_UCOV_ADD_STR-SUPPLIER sy-vline      INTO ld_text SEPARATED BY SPACE.

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