ABAP Select data from SAP table BWOM_IFCSTPI into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BWOM_IFCSTPI
*  INTO TABLE @DATA(IT_BWOM_IFCSTPI2).
*--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_BWOM_IFCSTPI INDEX 1 INTO DATA(WA_BWOM_IFCSTPI2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BWOM_IFCSTPI>-MANDT = 1.
<BWOM_IFCSTPI>-LEDNR = 1.
<BWOM_IFCSTPI>-OBJNR = 1.
<BWOM_IFCSTPI>-GJAHR = 1.
<BWOM_IFCSTPI>-WRTTP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BWOM_IFCSTPI-VERSN, sy-vline,
  WA_BWOM_IFCSTPI-KSTAR, sy-vline,
  WA_BWOM_IFCSTPI-HRKFT, sy-vline,
  WA_BWOM_IFCSTPI-VRGNG, sy-vline,
  WA_BWOM_IFCSTPI-VBUND, sy-vline,
  WA_BWOM_IFCSTPI-PARGB, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BWOM_IFCSTPI 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_BWOM_IFCSTPI 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_BWOM_IFCSTPI INTO WA_BWOM_IFCSTPI.


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

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

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

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

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

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

*Conversion exit BEKNZ, internal->external for field BEKNZ
CALL FUNCTION 'CONVERSION_EXIT_BEKNZ_OUTPUT'
  EXPORTING
    input =                      WA_BWOM_IFCSTPI-BEKNZ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BWOM_IFCSTPI-BEKNZ.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

*Conversion exit AC152, internal->external for field SWV
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_BWOM_IFCSTPI-SWV
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BWOM_IFCSTPI-SWV.
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_BWOM_IFCSTPI_STR, 
MANDT TYPE STRING,
LEDNR TYPE STRING,
OBJNR TYPE STRING,
GJAHR TYPE STRING,
WRTTP TYPE STRING,
VERSN TYPE STRING,
KSTAR TYPE STRING,
HRKFT TYPE STRING,
VRGNG TYPE STRING,
VBUND TYPE STRING,
PARGB TYPE STRING,
BEKNZ TYPE STRING,
TWAER TYPE STRING,
PERBL TYPE STRING,
MEINH TYPE STRING,
PAROB TYPE STRING,
USPOB TYPE STRING,
TRGKZ TYPE STRING,
FISCVAR TYPE STRING,
FISCPER TYPE STRING,
PERIO TYPE STRING,
WAERS TYPE STRING,
CURTYPE TYPE STRING,
SWKPP TYPE STRING,
SWKDP TYPE STRING,
SWG TYPE STRING,
SWF TYPE STRING,
SWV TYPE STRING,
SMEG TYPE STRING,
SMEF TYPE STRING,
SMEV TYPE STRING,
BELTP TYPE STRING,
TIMESTMP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BWOM_IFCSTPI_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_BWOM_IFCSTPI_STR-MANDT sy-vline 
WA_BWOM_IFCSTPI_STR-LEDNR sy-vline 
WA_BWOM_IFCSTPI_STR-OBJNR sy-vline 
WA_BWOM_IFCSTPI_STR-GJAHR sy-vline 
WA_BWOM_IFCSTPI_STR-WRTTP sy-vline 
WA_BWOM_IFCSTPI_STR-VERSN sy-vline 
WA_BWOM_IFCSTPI_STR-KSTAR sy-vline 
WA_BWOM_IFCSTPI_STR-HRKFT sy-vline 
WA_BWOM_IFCSTPI_STR-VRGNG sy-vline 
WA_BWOM_IFCSTPI_STR-VBUND sy-vline 
WA_BWOM_IFCSTPI_STR-PARGB sy-vline 
WA_BWOM_IFCSTPI_STR-BEKNZ sy-vline 
WA_BWOM_IFCSTPI_STR-TWAER sy-vline 
WA_BWOM_IFCSTPI_STR-PERBL sy-vline 
WA_BWOM_IFCSTPI_STR-MEINH sy-vline 
WA_BWOM_IFCSTPI_STR-PAROB sy-vline 
WA_BWOM_IFCSTPI_STR-USPOB sy-vline 
WA_BWOM_IFCSTPI_STR-TRGKZ sy-vline 
WA_BWOM_IFCSTPI_STR-FISCVAR sy-vline 
WA_BWOM_IFCSTPI_STR-FISCPER sy-vline 
WA_BWOM_IFCSTPI_STR-PERIO sy-vline 
WA_BWOM_IFCSTPI_STR-WAERS sy-vline 
WA_BWOM_IFCSTPI_STR-CURTYPE sy-vline 
WA_BWOM_IFCSTPI_STR-SWKPP sy-vline 
WA_BWOM_IFCSTPI_STR-SWKDP sy-vline 
WA_BWOM_IFCSTPI_STR-SWG sy-vline 
WA_BWOM_IFCSTPI_STR-SWF sy-vline 
WA_BWOM_IFCSTPI_STR-SWV sy-vline 
WA_BWOM_IFCSTPI_STR-SMEG sy-vline 
WA_BWOM_IFCSTPI_STR-SMEF sy-vline 
WA_BWOM_IFCSTPI_STR-SMEV sy-vline 
WA_BWOM_IFCSTPI_STR-BELTP sy-vline 
WA_BWOM_IFCSTPI_STR-TIMESTMP sy-vline      INTO ld_text SEPARATED BY SPACE.

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