ABAP Select data from SAP table SXCO_S_GEN_TABL_BP_FIELD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SXCO_S_GEN_TABL_BP_FIELD
*  INTO TABLE @DATA(IT_SXCO_S_GEN_TABL_BP_FIELD2).
*--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_SXCO_S_GEN_TABL_BP_FIELD INDEX 1 INTO DATA(WA_SXCO_S_GEN_TABL_BP_FIELD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SXCO_S_GEN_TABL_BP_FIELD>-FIELDNAME = 1.
<SXCO_S_GEN_TABL_BP_FIELD>-KEYFLAG = 1.
<SXCO_S_GEN_TABL_BP_FIELD>-NOTNULL = 1.
<SXCO_S_GEN_TABL_BP_FIELD>-TYPE = 1.
<SXCO_S_GEN_TABL_BP_FIELD>-ROLLNAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SXCO_S_GEN_TABL_BP_FIELD-INTTYPE, sy-vline,
  WA_SXCO_S_GEN_TABL_BP_FIELD-INTLEN, sy-vline,
  WA_SXCO_S_GEN_TABL_BP_FIELD-DOMNAME, sy-vline,
  WA_SXCO_S_GEN_TABL_BP_FIELD-DATATYPE, sy-vline,
  WA_SXCO_S_GEN_TABL_BP_FIELD-LENG, sy-vline,
  WA_SXCO_S_GEN_TABL_BP_FIELD-DECIMALS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SXCO_S_GEN_TABL_BP_FIELD 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_SXCO_S_GEN_TABL_BP_FIELD 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_SXCO_S_GEN_TABL_BP_FIELD INTO WA_SXCO_S_GEN_TABL_BP_FIELD.


*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 DTYPE, internal->external for field DATATYPE
CALL FUNCTION 'CONVERSION_EXIT_DTYPE_OUTPUT'
  EXPORTING
    input =                      WA_SXCO_S_GEN_TABL_BP_FIELD-DATATYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SXCO_S_GEN_TABL_BP_FIELD-DATATYPE.
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_SXCO_S_GEN_TABL_BP_FIELD_STR, 
FIELDNAME TYPE STRING,
KEYFLAG TYPE STRING,
NOTNULL TYPE STRING,
TYPE TYPE STRING,
ROLLNAME TYPE STRING,
INTTYPE TYPE STRING,
INTLEN TYPE STRING,
DOMNAME TYPE STRING,
DATATYPE TYPE STRING,
LENG TYPE STRING,
DECIMALS TYPE STRING,
TABLETYPE TYPE STRING,
COMPTYPE TYPE STRING,
REFTYPE TYPE STRING,
REFTABLE TYPE STRING,
REFFIELD TYPE STRING,
CHECKTABLE TYPE STRING,
SHLPORIGIN TYPE STRING,
LANGUFLAG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SXCO_S_GEN_TABL_BP_FIELD_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_SXCO_S_GEN_TABL_BP_FIELD_STR-FIELDNAME sy-vline 
WA_SXCO_S_GEN_TABL_BP_FIELD_STR-KEYFLAG sy-vline 
WA_SXCO_S_GEN_TABL_BP_FIELD_STR-NOTNULL sy-vline 
WA_SXCO_S_GEN_TABL_BP_FIELD_STR-TYPE sy-vline 
WA_SXCO_S_GEN_TABL_BP_FIELD_STR-ROLLNAME sy-vline 
WA_SXCO_S_GEN_TABL_BP_FIELD_STR-INTTYPE sy-vline 
WA_SXCO_S_GEN_TABL_BP_FIELD_STR-INTLEN sy-vline 
WA_SXCO_S_GEN_TABL_BP_FIELD_STR-DOMNAME sy-vline 
WA_SXCO_S_GEN_TABL_BP_FIELD_STR-DATATYPE sy-vline 
WA_SXCO_S_GEN_TABL_BP_FIELD_STR-LENG sy-vline 
WA_SXCO_S_GEN_TABL_BP_FIELD_STR-DECIMALS sy-vline 
WA_SXCO_S_GEN_TABL_BP_FIELD_STR-TABLETYPE sy-vline 
WA_SXCO_S_GEN_TABL_BP_FIELD_STR-COMPTYPE sy-vline 
WA_SXCO_S_GEN_TABL_BP_FIELD_STR-REFTYPE sy-vline 
WA_SXCO_S_GEN_TABL_BP_FIELD_STR-REFTABLE sy-vline 
WA_SXCO_S_GEN_TABL_BP_FIELD_STR-REFFIELD sy-vline 
WA_SXCO_S_GEN_TABL_BP_FIELD_STR-CHECKTABLE sy-vline 
WA_SXCO_S_GEN_TABL_BP_FIELD_STR-SHLPORIGIN sy-vline 
WA_SXCO_S_GEN_TABL_BP_FIELD_STR-LANGUFLAG sy-vline      INTO ld_text SEPARATED BY SPACE.

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