ABAP Select data from SAP table BBP_PDS_INVD_HEADER_IC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BBP_PDS_INVD_HEADER_IC
*  INTO TABLE @DATA(IT_BBP_PDS_INVD_HEADER_IC2).
*--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_BBP_PDS_INVD_HEADER_IC INDEX 1 INTO DATA(WA_BBP_PDS_INVD_HEADER_IC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BBP_PDS_INVD_HEADER_IC>-GUID = 1.
<BBP_PDS_INVD_HEADER_IC>-DESCRIPTION = 1.
<BBP_PDS_INVD_HEADER_IC>-CURRENCY = 1.
<BBP_PDS_INVD_HEADER_IC>-PMNTTRMS = 1.
<BBP_PDS_INVD_HEADER_IC>-DSCNT1_TO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BBP_PDS_INVD_HEADER_IC-DSCNT2_TO, sy-vline,
  WA_BBP_PDS_INVD_HEADER_IC-DSCNT3_TO, sy-vline,
  WA_BBP_PDS_INVD_HEADER_IC-CASH_DISC1, sy-vline,
  WA_BBP_PDS_INVD_HEADER_IC-CASH_DISC2, sy-vline,
  WA_BBP_PDS_INVD_HEADER_IC-INCOTERM_KEY, sy-vline,
  WA_BBP_PDS_INVD_HEADER_IC-INCOTERM_LOC, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BBP_PDS_INVD_HEADER_IC 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_BBP_PDS_INVD_HEADER_IC 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_BBP_PDS_INVD_HEADER_IC INTO WA_BBP_PDS_INVD_HEADER_IC.


*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 OBJECT_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BBP_PDS_INVD_HEADER_IC-OBJECT_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BBP_PDS_INVD_HEADER_IC-OBJECT_ID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SRC_LOGSYS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BBP_PDS_INVD_HEADER_IC-SRC_LOGSYS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BBP_PDS_INVD_HEADER_IC-SRC_LOGSYS.
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_BBP_PDS_INVD_HEADER_IC_STR, 
GUID TYPE STRING,
DESCRIPTION TYPE STRING,
CURRENCY TYPE STRING,
PMNTTRMS TYPE STRING,
DSCNT1_TO TYPE STRING,
DSCNT2_TO TYPE STRING,
DSCNT3_TO TYPE STRING,
CASH_DISC1 TYPE STRING,
CASH_DISC2 TYPE STRING,
INCOTERM_KEY TYPE STRING,
INCOTERM_LOC TYPE STRING,
REF_DOC_NO TYPE STRING,
PROCESS_TYPE TYPE STRING,
OBJECT_ID TYPE STRING,
SRC_OBJECT_ID TYPE STRING,
SRC_OBJECT_TYPE TYPE STRING,
SRC_LOGSYS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BBP_PDS_INVD_HEADER_IC_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_BBP_PDS_INVD_HEADER_IC_STR-GUID sy-vline 
WA_BBP_PDS_INVD_HEADER_IC_STR-DESCRIPTION sy-vline 
WA_BBP_PDS_INVD_HEADER_IC_STR-CURRENCY sy-vline 
WA_BBP_PDS_INVD_HEADER_IC_STR-PMNTTRMS sy-vline 
WA_BBP_PDS_INVD_HEADER_IC_STR-DSCNT1_TO sy-vline 
WA_BBP_PDS_INVD_HEADER_IC_STR-DSCNT2_TO sy-vline 
WA_BBP_PDS_INVD_HEADER_IC_STR-DSCNT3_TO sy-vline 
WA_BBP_PDS_INVD_HEADER_IC_STR-CASH_DISC1 sy-vline 
WA_BBP_PDS_INVD_HEADER_IC_STR-CASH_DISC2 sy-vline 
WA_BBP_PDS_INVD_HEADER_IC_STR-INCOTERM_KEY sy-vline 
WA_BBP_PDS_INVD_HEADER_IC_STR-INCOTERM_LOC sy-vline 
WA_BBP_PDS_INVD_HEADER_IC_STR-REF_DOC_NO sy-vline 
WA_BBP_PDS_INVD_HEADER_IC_STR-PROCESS_TYPE sy-vline 
WA_BBP_PDS_INVD_HEADER_IC_STR-OBJECT_ID sy-vline 
WA_BBP_PDS_INVD_HEADER_IC_STR-SRC_OBJECT_ID sy-vline 
WA_BBP_PDS_INVD_HEADER_IC_STR-SRC_OBJECT_TYPE sy-vline 
WA_BBP_PDS_INVD_HEADER_IC_STR-SRC_LOGSYS sy-vline      INTO ld_text SEPARATED BY SPACE.

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