ABAP Select data from SAP table CRSHPROJASGCD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRSHPROJASGCD
*  INTO TABLE @DATA(IT_CRSHPROJASGCD2).
*--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_CRSHPROJASGCD INDEX 1 INTO DATA(WA_CRSHPROJASGCD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRSHPROJASGCD>-MANDT = 1.
<CRSHPROJASGCD>-CHANGEDOCOBJECT = 1.
<CRSHPROJASGCD>-CHANGEDOCUMENT = 1.
<CRSHPROJASGCD>-CHANGEDOCITEMCHANGETYPE = 1.
<CRSHPROJASGCD>-CREATEDBYUSER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRSHPROJASGCD-CHANGERECORDSTATUSACTIONTEXT, sy-vline,
  WA_CRSHPROJASGCD-CREATIONDATE, sy-vline,
  WA_CRSHPROJASGCD-CREATIONTIME, sy-vline,
  WA_CRSHPROJASGCD-USERDESCRIPTION, sy-vline,
  WA_CRSHPROJASGCD-RESOURCEDEMANDUUID, sy-vline,
  WA_CRSHPROJASGCD-EMPLOYMENTINTERNALID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRSHPROJASGCD 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_CRSHPROJASGCD 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_CRSHPROJASGCD INTO WA_CRSHPROJASGCD.


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

*Conversion exit ALPHA, internal->external for field COSTCENTER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CRSHPROJASGCD-COSTCENTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRSHPROJASGCD-COSTCENTER.
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_CRSHPROJASGCD_STR, 
MANDT TYPE STRING,
CHANGEDOCOBJECT TYPE STRING,
CHANGEDOCUMENT TYPE STRING,
CHANGEDOCITEMCHANGETYPE TYPE STRING,
CREATEDBYUSER TYPE STRING,
CHANGERECORDSTATUSACTIONTEXT TYPE STRING,
CREATIONDATE TYPE STRING,
CREATIONTIME TYPE STRING,
USERDESCRIPTION TYPE STRING,
RESOURCEDEMANDUUID TYPE STRING,
EMPLOYMENTINTERNALID TYPE STRING,
COMPANYCODE TYPE STRING,
COSTCENTER TYPE STRING,
PROJECTVISIBILITY TYPE STRING,
SERVICEORGANIZATION TYPE STRING,
ROLE TYPE STRING,
PROJASSIGNOLDTOTALHOURS TYPE STRING,
PROJASSIGNNEWTOTALHOURS TYPE STRING,
PROJASSIGNOLDSTARTDATE TYPE STRING,
PROJASSIGNNEWSTARTDATE TYPE STRING,
PROJASSIGNOLDENDDATE TYPE STRING,
PROJASSIGNNEWENDDATE TYPE STRING,
PROJASSIGNTOTALHOURSUNIT TYPE STRING,
STARTDATE TYPE STRING,
ENDDATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRSHPROJASGCD_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_CRSHPROJASGCD_STR-MANDT sy-vline 
WA_CRSHPROJASGCD_STR-CHANGEDOCOBJECT sy-vline 
WA_CRSHPROJASGCD_STR-CHANGEDOCUMENT sy-vline 
WA_CRSHPROJASGCD_STR-CHANGEDOCITEMCHANGETYPE sy-vline 
WA_CRSHPROJASGCD_STR-CREATEDBYUSER sy-vline 
WA_CRSHPROJASGCD_STR-CHANGERECORDSTATUSACTIONTEXT sy-vline 
WA_CRSHPROJASGCD_STR-CREATIONDATE sy-vline 
WA_CRSHPROJASGCD_STR-CREATIONTIME sy-vline 
WA_CRSHPROJASGCD_STR-USERDESCRIPTION sy-vline 
WA_CRSHPROJASGCD_STR-RESOURCEDEMANDUUID sy-vline 
WA_CRSHPROJASGCD_STR-EMPLOYMENTINTERNALID sy-vline 
WA_CRSHPROJASGCD_STR-COMPANYCODE sy-vline 
WA_CRSHPROJASGCD_STR-COSTCENTER sy-vline 
WA_CRSHPROJASGCD_STR-PROJECTVISIBILITY sy-vline 
WA_CRSHPROJASGCD_STR-SERVICEORGANIZATION sy-vline 
WA_CRSHPROJASGCD_STR-ROLE sy-vline 
WA_CRSHPROJASGCD_STR-PROJASSIGNOLDTOTALHOURS sy-vline 
WA_CRSHPROJASGCD_STR-PROJASSIGNNEWTOTALHOURS sy-vline 
WA_CRSHPROJASGCD_STR-PROJASSIGNOLDSTARTDATE sy-vline 
WA_CRSHPROJASGCD_STR-PROJASSIGNNEWSTARTDATE sy-vline 
WA_CRSHPROJASGCD_STR-PROJASSIGNOLDENDDATE sy-vline 
WA_CRSHPROJASGCD_STR-PROJASSIGNNEWENDDATE sy-vline 
WA_CRSHPROJASGCD_STR-PROJASSIGNTOTALHOURSUNIT sy-vline 
WA_CRSHPROJASGCD_STR-STARTDATE sy-vline 
WA_CRSHPROJASGCD_STR-ENDDATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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