ABAP Select data from SAP table CRSHSUITREQS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CRSHSUITREQS
*  INTO TABLE @DATA(IT_CRSHSUITREQS2).
*--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_CRSHSUITREQS INDEX 1 INTO DATA(WA_CRSHSUITREQS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CRSHSUITREQS>-MANDT = 1.
<CRSHSUITREQS>-RESOURCEDEMANDUUID = 1.
<CRSHSUITREQS>-ENGAGEMENTPROJECTUUID = 1.
<CRSHSUITREQS>-WORKPACKAGEUUID = 1.
<CRSHSUITREQS>-ENGAGEMENTPROJECTRESOURCE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CRSHSUITREQS-WORKITEM, sy-vline,
  WA_CRSHSUITREQS-SERVICEORGANIZATION, sy-vline,
  WA_CRSHSUITREQS-EMPLOYMENTINTERNALID, sy-vline,
  WA_CRSHSUITREQS-EMPLOYEEREQUESTISSTAFFED, sy-vline,
  WA_CRSHSUITREQS-WORKPACKAGENAME, sy-vline,
  WA_CRSHSUITREQS-EMPLOYEEREQUESTSTATUS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CRSHSUITREQS 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_CRSHSUITREQS 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_CRSHSUITREQS INTO WA_CRSHSUITREQS.


*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 CUNIT, internal->external for field UNITOFMEASURE
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CRSHSUITREQS-UNITOFMEASURE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRSHSUITREQS-UNITOFMEASURE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field COSTCENTER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CRSHSUITREQS-COSTCENTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CRSHSUITREQS-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_CRSHSUITREQS_STR, 
MANDT TYPE STRING,
RESOURCEDEMANDUUID TYPE STRING,
ENGAGEMENTPROJECTUUID TYPE STRING,
WORKPACKAGEUUID TYPE STRING,
ENGAGEMENTPROJECTRESOURCE TYPE STRING,
WORKITEM TYPE STRING,
SERVICEORGANIZATION TYPE STRING,
EMPLOYMENTINTERNALID TYPE STRING,
EMPLOYEEREQUESTISSTAFFED TYPE STRING,
WORKPACKAGENAME TYPE STRING,
EMPLOYEEREQUESTSTATUS TYPE STRING,
EMPLOYEEREQUESTSTATUSTEXT TYPE STRING,
STARTDATE TYPE STRING,
ENDDATE TYPE STRING,
UNITOFMEASURE TYPE STRING,
EMPLOYEEREQUESTOPENDURATION TYPE STRING,
EMPLOYEEREQUESTDURATION TYPE STRING,
EMPLOYEEREQUESTPLANSKILLS TYPE STRING,
EMPLOYEEREQUESTMATCHSKILLS TYPE STRING,
EMPLOYEEREQUESTMATCHAVAIL TYPE STRING,
EMPLOYEEREQUESTMATCHTOTAL TYPE STRING,
AVAILABILITYMATCHMONTHLY TYPE STRING,
EMPLOYEEREQUESTMATCHDELIVORG TYPE STRING,
EMPLOYEEREQUESTMATCHROLE TYPE STRING,
EMPLOYEEREQUESTMATCHROLEDATE TYPE STRING,
ENGAGEMENTPROJECTNAME TYPE STRING,
ENGAGEMENTPROJECT TYPE STRING,
CUSTOMERNAME TYPE STRING,
EMPLOYEEREQUESTDELIVORG TYPE STRING,
COMPANYCODE TYPE STRING,
COSTCENTER TYPE STRING,
PROJECTVISIBILITY TYPE STRING,
ENGAGEMENTPROJRESOURCETEXT TYPE STRING,
AUTHORIZATIONGROUP TYPE STRING,
ISBUSINESSPURPOSECOMPLETED TYPE STRING,
ISBUSPRPSCMPLTDCUSTOMER TYPE STRING,
CUSTOMERAUTHZNGRP TYPE STRING,
ISBUSPRPSCMPLTDPROJECTMANAGER TYPE STRING,
PROJECTMANAGERAUTHZNGRP TYPE STRING,
ISEDITABLE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CRSHSUITREQS_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_CRSHSUITREQS_STR-MANDT sy-vline 
WA_CRSHSUITREQS_STR-RESOURCEDEMANDUUID sy-vline 
WA_CRSHSUITREQS_STR-ENGAGEMENTPROJECTUUID sy-vline 
WA_CRSHSUITREQS_STR-WORKPACKAGEUUID sy-vline 
WA_CRSHSUITREQS_STR-ENGAGEMENTPROJECTRESOURCE sy-vline 
WA_CRSHSUITREQS_STR-WORKITEM sy-vline 
WA_CRSHSUITREQS_STR-SERVICEORGANIZATION sy-vline 
WA_CRSHSUITREQS_STR-EMPLOYMENTINTERNALID sy-vline 
WA_CRSHSUITREQS_STR-EMPLOYEEREQUESTISSTAFFED sy-vline 
WA_CRSHSUITREQS_STR-WORKPACKAGENAME sy-vline 
WA_CRSHSUITREQS_STR-EMPLOYEEREQUESTSTATUS sy-vline 
WA_CRSHSUITREQS_STR-EMPLOYEEREQUESTSTATUSTEXT sy-vline 
WA_CRSHSUITREQS_STR-STARTDATE sy-vline 
WA_CRSHSUITREQS_STR-ENDDATE sy-vline 
WA_CRSHSUITREQS_STR-UNITOFMEASURE sy-vline 
WA_CRSHSUITREQS_STR-EMPLOYEEREQUESTOPENDURATION sy-vline 
WA_CRSHSUITREQS_STR-EMPLOYEEREQUESTDURATION sy-vline 
WA_CRSHSUITREQS_STR-EMPLOYEEREQUESTPLANSKILLS sy-vline 
WA_CRSHSUITREQS_STR-EMPLOYEEREQUESTMATCHSKILLS sy-vline 
WA_CRSHSUITREQS_STR-EMPLOYEEREQUESTMATCHAVAIL sy-vline 
WA_CRSHSUITREQS_STR-EMPLOYEEREQUESTMATCHTOTAL sy-vline 
WA_CRSHSUITREQS_STR-AVAILABILITYMATCHMONTHLY sy-vline 
WA_CRSHSUITREQS_STR-EMPLOYEEREQUESTMATCHDELIVORG sy-vline 
WA_CRSHSUITREQS_STR-EMPLOYEEREQUESTMATCHROLE sy-vline 
WA_CRSHSUITREQS_STR-EMPLOYEEREQUESTMATCHROLEDATE sy-vline 
WA_CRSHSUITREQS_STR-ENGAGEMENTPROJECTNAME sy-vline 
WA_CRSHSUITREQS_STR-ENGAGEMENTPROJECT sy-vline 
WA_CRSHSUITREQS_STR-CUSTOMERNAME sy-vline 
WA_CRSHSUITREQS_STR-EMPLOYEEREQUESTDELIVORG sy-vline 
WA_CRSHSUITREQS_STR-COMPANYCODE sy-vline 
WA_CRSHSUITREQS_STR-COSTCENTER sy-vline 
WA_CRSHSUITREQS_STR-PROJECTVISIBILITY sy-vline 
WA_CRSHSUITREQS_STR-ENGAGEMENTPROJRESOURCETEXT sy-vline 
WA_CRSHSUITREQS_STR-AUTHORIZATIONGROUP sy-vline 
WA_CRSHSUITREQS_STR-ISBUSINESSPURPOSECOMPLETED sy-vline 
WA_CRSHSUITREQS_STR-ISBUSPRPSCMPLTDCUSTOMER sy-vline 
WA_CRSHSUITREQS_STR-CUSTOMERAUTHZNGRP sy-vline 
WA_CRSHSUITREQS_STR-ISBUSPRPSCMPLTDPROJECTMANAGER sy-vline 
WA_CRSHSUITREQS_STR-PROJECTMANAGERAUTHZNGRP sy-vline 
WA_CRSHSUITREQS_STR-ISEDITABLE sy-vline      INTO ld_text SEPARATED BY SPACE.

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