ABAP Select data from SAP table IACESOASSGMT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IACESOASSGMT
*  INTO TABLE @DATA(IT_IACESOASSGMT2).
*--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_IACESOASSGMT INDEX 1 INTO DATA(WA_IACESOASSGMT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IACESOASSGMT>-MANDT = 1.
<IACESOASSGMT>-ACCRUALENGINEACCRUALOBJECTTYPE = 1.
<IACESOASSGMT>-ACCRUALOBJECTLOGICALSYSTEM = 1.
<IACESOASSGMT>-COMPANYCODE = 1.
<IACESOASSGMT>-ACCRUALOBJECT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IACESOASSGMT-ACCRUALSUBOBJECT, sy-vline,
  WA_IACESOASSGMT-ACCRACCTASSGMTVALDTYENDDTE, sy-vline,
  WA_IACESOASSGMT-ACCRACCTASSGMTVALDTYSTRTDTE, sy-vline,
  WA_IACESOASSGMT-BUSINESSAREA, sy-vline,
  WA_IACESOASSGMT-PROFITCENTER, sy-vline,
  WA_IACESOASSGMT-SEGMENT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IACESOASSGMT 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_IACESOASSGMT 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_IACESOASSGMT INTO WA_IACESOASSGMT.


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

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field SALESORDER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IACESOASSGMT-SALESORDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IACESOASSGMT-SALESORDER.
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_IACESOASSGMT_STR, 
MANDT TYPE STRING,
ACCRUALENGINEACCRUALOBJECTTYPE TYPE STRING,
ACCRUALOBJECTLOGICALSYSTEM TYPE STRING,
COMPANYCODE TYPE STRING,
ACCRUALOBJECT TYPE STRING,
ACCRUALSUBOBJECT TYPE STRING,
ACCRACCTASSGMTVALDTYENDDTE TYPE STRING,
ACCRACCTASSGMTVALDTYSTRTDTE TYPE STRING,
BUSINESSAREA TYPE STRING,
PROFITCENTER TYPE STRING,
SEGMENT TYPE STRING,
FUND TYPE STRING,
FUNDSCENTER TYPE STRING,
COMMITMENTITEMINTERNALID TYPE STRING,
FUNCTIONALAREA TYPE STRING,
GRANTID TYPE STRING,
FUNDEDPROGRAM TYPE STRING,
BUDGETPERIOD TYPE STRING,
COSTCENTER TYPE STRING,
ORDERID TYPE STRING,
WBSELEMENTINTERNALID TYPE STRING,
WBSELEMENTEXTERNALID TYPE STRING,
COSTOBJECT TYPE STRING,
COSTCTRACTIVITYTYPE TYPE STRING,
PROJECTNETWORKOBJECT TYPE STRING,
PROJECTNETWORKINTERNALID TYPE STRING,
BUSINESSPROCESS TYPE STRING,
SALESORDER TYPE STRING,
SALESORDERITEM TYPE STRING,
PROFITABILITYSEGMENT TYPE STRING,
CONTROLLINGAREA TYPE STRING,
FINANCIALMANAGEMENTAREA TYPE STRING,
ACCRACCTASSGMTLASTCHGDATETIME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IACESOASSGMT_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_IACESOASSGMT_STR-MANDT sy-vline 
WA_IACESOASSGMT_STR-ACCRUALENGINEACCRUALOBJECTTYPE sy-vline 
WA_IACESOASSGMT_STR-ACCRUALOBJECTLOGICALSYSTEM sy-vline 
WA_IACESOASSGMT_STR-COMPANYCODE sy-vline 
WA_IACESOASSGMT_STR-ACCRUALOBJECT sy-vline 
WA_IACESOASSGMT_STR-ACCRUALSUBOBJECT sy-vline 
WA_IACESOASSGMT_STR-ACCRACCTASSGMTVALDTYENDDTE sy-vline 
WA_IACESOASSGMT_STR-ACCRACCTASSGMTVALDTYSTRTDTE sy-vline 
WA_IACESOASSGMT_STR-BUSINESSAREA sy-vline 
WA_IACESOASSGMT_STR-PROFITCENTER sy-vline 
WA_IACESOASSGMT_STR-SEGMENT sy-vline 
WA_IACESOASSGMT_STR-FUND sy-vline 
WA_IACESOASSGMT_STR-FUNDSCENTER sy-vline 
WA_IACESOASSGMT_STR-COMMITMENTITEMINTERNALID sy-vline 
WA_IACESOASSGMT_STR-FUNCTIONALAREA sy-vline 
WA_IACESOASSGMT_STR-GRANTID sy-vline 
WA_IACESOASSGMT_STR-FUNDEDPROGRAM sy-vline 
WA_IACESOASSGMT_STR-BUDGETPERIOD sy-vline 
WA_IACESOASSGMT_STR-COSTCENTER sy-vline 
WA_IACESOASSGMT_STR-ORDERID sy-vline 
WA_IACESOASSGMT_STR-WBSELEMENTINTERNALID sy-vline 
WA_IACESOASSGMT_STR-WBSELEMENTEXTERNALID sy-vline 
WA_IACESOASSGMT_STR-COSTOBJECT sy-vline 
WA_IACESOASSGMT_STR-COSTCTRACTIVITYTYPE sy-vline 
WA_IACESOASSGMT_STR-PROJECTNETWORKOBJECT sy-vline 
WA_IACESOASSGMT_STR-PROJECTNETWORKINTERNALID sy-vline 
WA_IACESOASSGMT_STR-BUSINESSPROCESS sy-vline 
WA_IACESOASSGMT_STR-SALESORDER sy-vline 
WA_IACESOASSGMT_STR-SALESORDERITEM sy-vline 
WA_IACESOASSGMT_STR-PROFITABILITYSEGMENT sy-vline 
WA_IACESOASSGMT_STR-CONTROLLINGAREA sy-vline 
WA_IACESOASSGMT_STR-FINANCIALMANAGEMENTAREA sy-vline 
WA_IACESOASSGMT_STR-ACCRACCTASSGMTLASTCHGDATETIME sy-vline      INTO ld_text SEPARATED BY SPACE.

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