ABAP Select data from SAP table SI_CPD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SI_CPD
*  INTO TABLE @DATA(IT_SI_CPD2).
*--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_SI_CPD INDEX 1 INTO DATA(WA_SI_CPD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SI_CPD>-PARTNER = 1.
<SI_CPD>-TYPE = 1.
<SI_CPD>-BPKIND = 1.
<SI_CPD>-BU_GROUP = 1.
<SI_CPD>-BPEXT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SI_CPD-BU_SORT1, sy-vline,
  WA_SI_CPD-TITLE, sy-vline,
  WA_SI_CPD-AUGRP, sy-vline,
  WA_SI_CPD-LEGAL_ENTY, sy-vline,
  WA_SI_CPD-IND_SECTOR, sy-vline,
  WA_SI_CPD-NAME_LAST, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SI_CPD 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_SI_CPD 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_SI_CPD INTO WA_SI_CPD.


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

*Conversion exit ISOLA, internal->external for field LANGU
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_SI_CPD-LANGU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SI_CPD-LANGU.
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_SI_CPD_STR, 
PARTNER TYPE STRING,
TYPE TYPE STRING,
BPKIND TYPE STRING,
BU_GROUP TYPE STRING,
BPEXT TYPE STRING,
BU_SORT1 TYPE STRING,
TITLE TYPE STRING,
AUGRP TYPE STRING,
LEGAL_ENTY TYPE STRING,
IND_SECTOR TYPE STRING,
NAME_LAST TYPE STRING,
NAME_FIRST TYPE STRING,
TITLE_ACA1 TYPE STRING,
TITLE_ACA2 TYPE STRING,
TITLE_ROYL TYPE STRING,
PREFIX1 TYPE STRING,
PREFIX2 TYPE STRING,
XSEXM TYPE STRING,
XSEXF TYPE STRING,
BIRTHDT TYPE STRING,
NATIO TYPE STRING,
CITY1 TYPE STRING,
POST_CODE1 TYPE STRING,
POST_CODE2 TYPE STRING,
PO_BOX TYPE STRING,
PO_BOX_NUM TYPE STRING,
PO_BOX_LOC TYPE STRING,
PO_BOX_REG TYPE STRING,
STREET TYPE STRING,
HOUSE_NUM1 TYPE STRING,
ROOMNUMBER TYPE STRING,
COUNTRY TYPE STRING,
LANGU TYPE STRING,
REGION TYPE STRING,
BKVID TYPE STRING,
BANKS TYPE STRING,
BANKL TYPE STRING,
BANKN TYPE STRING,
BKONT TYPE STRING,
KOINH TYPE STRING,
CCARD_ID TYPE STRING,
CCINS TYPE STRING,
CCNUM TYPE STRING,
CPD_SWIFT TYPE STRING,
CPD_IBAN TYPE STRING,
XSEXU TYPE STRING,
GENDER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SI_CPD_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_SI_CPD_STR-PARTNER sy-vline 
WA_SI_CPD_STR-TYPE sy-vline 
WA_SI_CPD_STR-BPKIND sy-vline 
WA_SI_CPD_STR-BU_GROUP sy-vline 
WA_SI_CPD_STR-BPEXT sy-vline 
WA_SI_CPD_STR-BU_SORT1 sy-vline 
WA_SI_CPD_STR-TITLE sy-vline 
WA_SI_CPD_STR-AUGRP sy-vline 
WA_SI_CPD_STR-LEGAL_ENTY sy-vline 
WA_SI_CPD_STR-IND_SECTOR sy-vline 
WA_SI_CPD_STR-NAME_LAST sy-vline 
WA_SI_CPD_STR-NAME_FIRST sy-vline 
WA_SI_CPD_STR-TITLE_ACA1 sy-vline 
WA_SI_CPD_STR-TITLE_ACA2 sy-vline 
WA_SI_CPD_STR-TITLE_ROYL sy-vline 
WA_SI_CPD_STR-PREFIX1 sy-vline 
WA_SI_CPD_STR-PREFIX2 sy-vline 
WA_SI_CPD_STR-XSEXM sy-vline 
WA_SI_CPD_STR-XSEXF sy-vline 
WA_SI_CPD_STR-BIRTHDT sy-vline 
WA_SI_CPD_STR-NATIO sy-vline 
WA_SI_CPD_STR-CITY1 sy-vline 
WA_SI_CPD_STR-POST_CODE1 sy-vline 
WA_SI_CPD_STR-POST_CODE2 sy-vline 
WA_SI_CPD_STR-PO_BOX sy-vline 
WA_SI_CPD_STR-PO_BOX_NUM sy-vline 
WA_SI_CPD_STR-PO_BOX_LOC sy-vline 
WA_SI_CPD_STR-PO_BOX_REG sy-vline 
WA_SI_CPD_STR-STREET sy-vline 
WA_SI_CPD_STR-HOUSE_NUM1 sy-vline 
WA_SI_CPD_STR-ROOMNUMBER sy-vline 
WA_SI_CPD_STR-COUNTRY sy-vline 
WA_SI_CPD_STR-LANGU sy-vline 
WA_SI_CPD_STR-REGION sy-vline 
WA_SI_CPD_STR-BKVID sy-vline 
WA_SI_CPD_STR-BANKS sy-vline 
WA_SI_CPD_STR-BANKL sy-vline 
WA_SI_CPD_STR-BANKN sy-vline 
WA_SI_CPD_STR-BKONT sy-vline 
WA_SI_CPD_STR-KOINH sy-vline 
WA_SI_CPD_STR-CCARD_ID sy-vline 
WA_SI_CPD_STR-CCINS sy-vline 
WA_SI_CPD_STR-CCNUM sy-vline 
WA_SI_CPD_STR-CPD_SWIFT sy-vline 
WA_SI_CPD_STR-CPD_IBAN sy-vline 
WA_SI_CPD_STR-XSEXU sy-vline 
WA_SI_CPD_STR-GENDER sy-vline      INTO ld_text SEPARATED BY SPACE.

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