ABAP Select data from SAP table ICUSTPROJSOI into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICUSTPROJSOI
*  INTO TABLE @DATA(IT_ICUSTPROJSOI2).
*--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_ICUSTPROJSOI INDEX 1 INTO DATA(WA_ICUSTPROJSOI2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICUSTPROJSOI>-MANDT = 1.
<ICUSTPROJSOI>-CUSTOMERPROJECT = 1.
<ICUSTPROJSOI>-SALESORDERITEM = 1.
<ICUSTPROJSOI>-SALESORDER = 1.
<ICUSTPROJSOI>-SALESORDERITEMCATEGORY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICUSTPROJSOI-MATERIAL, sy-vline,
  WA_ICUSTPROJSOI-PRODUCT, sy-vline,
  WA_ICUSTPROJSOI-SALESORDERITEMTEXT, sy-vline,
  WA_ICUSTPROJSOI-PROFITCENTER, sy-vline,
  WA_ICUSTPROJSOI-CAPPEDNETAMOUNT, sy-vline,
  WA_ICUSTPROJSOI-CAPPEDNETAMTALERTTHLDINPCT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICUSTPROJSOI 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_ICUSTPROJSOI 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_ICUSTPROJSOI INTO WA_ICUSTPROJSOI.


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

*Conversion exit MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_ICUSTPROJSOI-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICUSTPROJSOI-MATERIAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field PRODUCT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_ICUSTPROJSOI-PRODUCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICUSTPROJSOI-PRODUCT.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ABPSP, internal->external for field WBSELEMENT
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_ICUSTPROJSOI-WBSELEMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICUSTPROJSOI-WBSELEMENT.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit AUART, internal->external for field SALESORDERTYPE
CALL FUNCTION 'CONVERSION_EXIT_AUART_OUTPUT'
  EXPORTING
    input =                      WA_ICUSTPROJSOI-SALESORDERTYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICUSTPROJSOI-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_ICUSTPROJSOI_STR, 
MANDT TYPE STRING,
CUSTOMERPROJECT TYPE STRING,
SALESORDERITEM TYPE STRING,
SALESORDER TYPE STRING,
SALESORDERITEMCATEGORY TYPE STRING,
MATERIAL TYPE STRING,
PRODUCT TYPE STRING,
SALESORDERITEMTEXT TYPE STRING,
PROFITCENTER TYPE STRING,
CAPPEDNETAMOUNT TYPE STRING,
CAPPEDNETAMTALERTTHLDINPCT TYPE STRING,
MATERIALBYCUSTOMER TYPE STRING,
NETAMOUNT TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
WBSELEMENT TYPE STRING,
PURCHASEORDERBYCUSTOMER TYPE STRING,
UNDERLYINGPURCHASEORDERITEM TYPE STRING,
BILLINGPLAN TYPE STRING,
TOTALSTANDALONESELLINGPRICE TYPE STRING,
SALESDOCUMENTRJCNREASON TYPE STRING,
SDDOCUMENTREJECTIONSTATUS TYPE STRING,
SDPROCESSSTATUS TYPE STRING,
ITEMBILLINGBLOCKREASON TYPE STRING,
SALESORDERTYPE TYPE STRING,
ORGANIZATIONDIVISION TYPE STRING,
SALESORGANIZATION TYPE STRING,
DISTRIBUTIONCHANNEL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICUSTPROJSOI_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_ICUSTPROJSOI_STR-MANDT sy-vline 
WA_ICUSTPROJSOI_STR-CUSTOMERPROJECT sy-vline 
WA_ICUSTPROJSOI_STR-SALESORDERITEM sy-vline 
WA_ICUSTPROJSOI_STR-SALESORDER sy-vline 
WA_ICUSTPROJSOI_STR-SALESORDERITEMCATEGORY sy-vline 
WA_ICUSTPROJSOI_STR-MATERIAL sy-vline 
WA_ICUSTPROJSOI_STR-PRODUCT sy-vline 
WA_ICUSTPROJSOI_STR-SALESORDERITEMTEXT sy-vline 
WA_ICUSTPROJSOI_STR-PROFITCENTER sy-vline 
WA_ICUSTPROJSOI_STR-CAPPEDNETAMOUNT sy-vline 
WA_ICUSTPROJSOI_STR-CAPPEDNETAMTALERTTHLDINPCT sy-vline 
WA_ICUSTPROJSOI_STR-MATERIALBYCUSTOMER sy-vline 
WA_ICUSTPROJSOI_STR-NETAMOUNT sy-vline 
WA_ICUSTPROJSOI_STR-TRANSACTIONCURRENCY sy-vline 
WA_ICUSTPROJSOI_STR-WBSELEMENT sy-vline 
WA_ICUSTPROJSOI_STR-PURCHASEORDERBYCUSTOMER sy-vline 
WA_ICUSTPROJSOI_STR-UNDERLYINGPURCHASEORDERITEM sy-vline 
WA_ICUSTPROJSOI_STR-BILLINGPLAN sy-vline 
WA_ICUSTPROJSOI_STR-TOTALSTANDALONESELLINGPRICE sy-vline 
WA_ICUSTPROJSOI_STR-SALESDOCUMENTRJCNREASON sy-vline 
WA_ICUSTPROJSOI_STR-SDDOCUMENTREJECTIONSTATUS sy-vline 
WA_ICUSTPROJSOI_STR-SDPROCESSSTATUS sy-vline 
WA_ICUSTPROJSOI_STR-ITEMBILLINGBLOCKREASON sy-vline 
WA_ICUSTPROJSOI_STR-SALESORDERTYPE sy-vline 
WA_ICUSTPROJSOI_STR-ORGANIZATIONDIVISION sy-vline 
WA_ICUSTPROJSOI_STR-SALESORGANIZATION sy-vline 
WA_ICUSTPROJSOI_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.