ABAP Select data from SAP table ICUSTPROJSOHP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICUSTPROJSOHP
*  INTO TABLE @DATA(IT_ICUSTPROJSOHP2).
*--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_ICUSTPROJSOHP INDEX 1 INTO DATA(WA_ICUSTPROJSOHP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICUSTPROJSOHP>-MANDT = 1.
<ICUSTPROJSOHP>-CUSTOMERPROJECT = 1.
<ICUSTPROJSOHP>-PARTNERFUNCTION = 1.
<ICUSTPROJSOHP>-SALESORDER = 1.
<ICUSTPROJSOHP>-BUSINESSPARTNER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICUSTPROJSOHP-ADDRESSID, sy-vline,
  WA_ICUSTPROJSOHP-ADDRESSPERSONID, sy-vline,
  WA_ICUSTPROJSOHP-ADDRESSOBJECTTYPE, sy-vline,
  WA_ICUSTPROJSOHP-SDDOCPARTNERADDRESSREFTYPE, sy-vline,
  WA_ICUSTPROJSOHP-REFERENCEBUSINESSPARTNER, sy-vline,
  WA_ICUSTPROJSOHP-BPADDRDETERMINATIONTRANSACTION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICUSTPROJSOHP 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_ICUSTPROJSOHP 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_ICUSTPROJSOHP INTO WA_ICUSTPROJSOHP.


*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 PARVW, internal->external for field PARTNERFUNCTION
CALL FUNCTION 'CONVERSION_EXIT_PARVW_OUTPUT'
  EXPORTING
    input =                      WA_ICUSTPROJSOHP-PARTNERFUNCTION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICUSTPROJSOHP-PARTNERFUNCTION.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

*Conversion exit AUART, internal->external for field SALESORDERTYPE
CALL FUNCTION 'CONVERSION_EXIT_AUART_OUTPUT'
  EXPORTING
    input =                      WA_ICUSTPROJSOHP-SALESORDERTYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICUSTPROJSOHP-SALESORDERTYPE.
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_ICUSTPROJSOHP_STR, 
MANDT TYPE STRING,
CUSTOMERPROJECT TYPE STRING,
PARTNERFUNCTION TYPE STRING,
SALESORDER TYPE STRING,
BUSINESSPARTNER TYPE STRING,
ADDRESSID TYPE STRING,
ADDRESSPERSONID TYPE STRING,
ADDRESSOBJECTTYPE TYPE STRING,
SDDOCPARTNERADDRESSREFTYPE TYPE STRING,
REFERENCEBUSINESSPARTNER TYPE STRING,
BPADDRDETERMINATIONTRANSACTION TYPE STRING,
BPREFADDRESSIDFORDOCSPCFCADDR TYPE STRING,
SALESORDERTYPE TYPE STRING,
ORGANIZATIONDIVISION TYPE STRING,
SALESORGANIZATION TYPE STRING,
DISTRIBUTIONCHANNEL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICUSTPROJSOHP_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_ICUSTPROJSOHP_STR-MANDT sy-vline 
WA_ICUSTPROJSOHP_STR-CUSTOMERPROJECT sy-vline 
WA_ICUSTPROJSOHP_STR-PARTNERFUNCTION sy-vline 
WA_ICUSTPROJSOHP_STR-SALESORDER sy-vline 
WA_ICUSTPROJSOHP_STR-BUSINESSPARTNER sy-vline 
WA_ICUSTPROJSOHP_STR-ADDRESSID sy-vline 
WA_ICUSTPROJSOHP_STR-ADDRESSPERSONID sy-vline 
WA_ICUSTPROJSOHP_STR-ADDRESSOBJECTTYPE sy-vline 
WA_ICUSTPROJSOHP_STR-SDDOCPARTNERADDRESSREFTYPE sy-vline 
WA_ICUSTPROJSOHP_STR-REFERENCEBUSINESSPARTNER sy-vline 
WA_ICUSTPROJSOHP_STR-BPADDRDETERMINATIONTRANSACTION sy-vline 
WA_ICUSTPROJSOHP_STR-BPREFADDRESSIDFORDOCSPCFCADDR sy-vline 
WA_ICUSTPROJSOHP_STR-SALESORDERTYPE sy-vline 
WA_ICUSTPROJSOHP_STR-ORGANIZATIONDIVISION sy-vline 
WA_ICUSTPROJSOHP_STR-SALESORGANIZATION sy-vline 
WA_ICUSTPROJSOHP_STR-DISTRIBUTIONCHANNEL sy-vline      INTO ld_text SEPARATED BY SPACE.

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