ABAP Select data from SAP table ITMESHTFORAPPR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ITMESHTFORAPPR
*  INTO TABLE @DATA(IT_ITMESHTFORAPPR2).
*--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_ITMESHTFORAPPR INDEX 1 INTO DATA(WA_ITMESHTFORAPPR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ITMESHTFORAPPR>-MANDT = 1.
<ITMESHTFORAPPR>-TIMESHEETRECORD = 1.
<ITMESHTFORAPPR>-TIMESHEETDATE = 1.
<ITMESHTFORAPPR>-PERSONWORKAGREEMENT = 1.
<ITMESHTFORAPPR>-CUSTOMER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ITMESHTFORAPPR-ENGAGEMENTPROJECT, sy-vline,
  WA_ITMESHTFORAPPR-ENGAGEMENTPROJECTNAME, sy-vline,
  WA_ITMESHTFORAPPR-PROJECT, sy-vline,
  WA_ITMESHTFORAPPR-PROJECTPROFILECODE, sy-vline,
  WA_ITMESHTFORAPPR-WORKPACKAGE, sy-vline,
  WA_ITMESHTFORAPPR-WORKPACKAGENAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ITMESHTFORAPPR 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_ITMESHTFORAPPR 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_ITMESHTFORAPPR INTO WA_ITMESHTFORAPPR.


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

*Conversion exit ABPSN, internal->external for field PROJECT
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_ITMESHTFORAPPR-PROJECT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ITMESHTFORAPPR-PROJECT.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit CUNIT, internal->external for field HOURSUNITOFMEASURE
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ITMESHTFORAPPR-HOURSUNITOFMEASURE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ITMESHTFORAPPR-HOURSUNITOFMEASURE.
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_ITMESHTFORAPPR_STR, 
MANDT TYPE STRING,
TIMESHEETRECORD TYPE STRING,
TIMESHEETDATE TYPE STRING,
PERSONWORKAGREEMENT TYPE STRING,
CUSTOMER TYPE STRING,
ENGAGEMENTPROJECT TYPE STRING,
ENGAGEMENTPROJECTNAME TYPE STRING,
PROJECT TYPE STRING,
PROJECTPROFILECODE TYPE STRING,
WORKPACKAGE TYPE STRING,
WORKPACKAGENAME TYPE STRING,
WORKITEM TYPE STRING,
PURCHASEORDER TYPE STRING,
PURCHASEORDERITEM TYPE STRING,
ACTIVITYTYPE TYPE STRING,
ENGAGEMENTPROJECTCATEGORY TYPE STRING,
BILLINGCONTROLCATEGORY TYPE STRING,
TIMESHEETTASKTYPE TYPE STRING,
RECEIVERCOSTCENTER TYPE STRING,
INTERNALORDER TYPE STRING,
WBSELEMENTINTERNALID TYPE STRING,
TIMESHEETNOTE TYPE STRING,
TIMESHEETLONGTEXT TYPE STRING,
TIMESHEETPREDECESSORRECORD TYPE STRING,
RECORDEDHOURS TYPE STRING,
HOURSUNITOFMEASURE TYPE STRING,
PLNDEFFORTQTY TYPE STRING,
TOTALAPPROVEDHOURS TYPE STRING,
TOTALREJECTEDHOURS TYPE STRING,
TIMESHEETLASTCHANGEDDATE TYPE STRING,
WBSELEMENTEXTERNALID TYPE STRING,
TIMESHEETWRKLOCCODE TYPE STRING,
TIMESHEETWRKLOCCODENAME TYPE STRING,
TIMESHEETOVERTIMECATEGORY TYPE STRING,
TIMESHEETOVERTIMECATEGORYTEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ITMESHTFORAPPR_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_ITMESHTFORAPPR_STR-MANDT sy-vline 
WA_ITMESHTFORAPPR_STR-TIMESHEETRECORD sy-vline 
WA_ITMESHTFORAPPR_STR-TIMESHEETDATE sy-vline 
WA_ITMESHTFORAPPR_STR-PERSONWORKAGREEMENT sy-vline 
WA_ITMESHTFORAPPR_STR-CUSTOMER sy-vline 
WA_ITMESHTFORAPPR_STR-ENGAGEMENTPROJECT sy-vline 
WA_ITMESHTFORAPPR_STR-ENGAGEMENTPROJECTNAME sy-vline 
WA_ITMESHTFORAPPR_STR-PROJECT sy-vline 
WA_ITMESHTFORAPPR_STR-PROJECTPROFILECODE sy-vline 
WA_ITMESHTFORAPPR_STR-WORKPACKAGE sy-vline 
WA_ITMESHTFORAPPR_STR-WORKPACKAGENAME sy-vline 
WA_ITMESHTFORAPPR_STR-WORKITEM sy-vline 
WA_ITMESHTFORAPPR_STR-PURCHASEORDER sy-vline 
WA_ITMESHTFORAPPR_STR-PURCHASEORDERITEM sy-vline 
WA_ITMESHTFORAPPR_STR-ACTIVITYTYPE sy-vline 
WA_ITMESHTFORAPPR_STR-ENGAGEMENTPROJECTCATEGORY sy-vline 
WA_ITMESHTFORAPPR_STR-BILLINGCONTROLCATEGORY sy-vline 
WA_ITMESHTFORAPPR_STR-TIMESHEETTASKTYPE sy-vline 
WA_ITMESHTFORAPPR_STR-RECEIVERCOSTCENTER sy-vline 
WA_ITMESHTFORAPPR_STR-INTERNALORDER sy-vline 
WA_ITMESHTFORAPPR_STR-WBSELEMENTINTERNALID sy-vline 
WA_ITMESHTFORAPPR_STR-TIMESHEETNOTE sy-vline 
WA_ITMESHTFORAPPR_STR-TIMESHEETLONGTEXT sy-vline 
WA_ITMESHTFORAPPR_STR-TIMESHEETPREDECESSORRECORD sy-vline 
WA_ITMESHTFORAPPR_STR-RECORDEDHOURS sy-vline 
WA_ITMESHTFORAPPR_STR-HOURSUNITOFMEASURE sy-vline 
WA_ITMESHTFORAPPR_STR-PLNDEFFORTQTY sy-vline 
WA_ITMESHTFORAPPR_STR-TOTALAPPROVEDHOURS sy-vline 
WA_ITMESHTFORAPPR_STR-TOTALREJECTEDHOURS sy-vline 
WA_ITMESHTFORAPPR_STR-TIMESHEETLASTCHANGEDDATE sy-vline 
WA_ITMESHTFORAPPR_STR-WBSELEMENTEXTERNALID sy-vline 
WA_ITMESHTFORAPPR_STR-TIMESHEETWRKLOCCODE sy-vline 
WA_ITMESHTFORAPPR_STR-TIMESHEETWRKLOCCODENAME sy-vline 
WA_ITMESHTFORAPPR_STR-TIMESHEETOVERTIMECATEGORY sy-vline 
WA_ITMESHTFORAPPR_STR-TIMESHEETOVERTIMECATEGORYTEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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