ABAP Select data from SAP table PGLACCSEMTAGPROJ into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PGLACCSEMTAGPROJ
*  INTO TABLE @DATA(IT_PGLACCSEMTAGPROJ2).
*--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_PGLACCSEMTAGPROJ INDEX 1 INTO DATA(WA_PGLACCSEMTAGPROJ2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PGLACCSEMTAGPROJ>-MANDT = 1.
<PGLACCSEMTAGPROJ>-LEDGER = 1.
<PGLACCSEMTAGPROJ>-SOURCELEDGER = 1.
<PGLACCSEMTAGPROJ>-COMPANYCODE = 1.
<PGLACCSEMTAGPROJ>-POSTINGFISCALYEAR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PGLACCSEMTAGPROJ-ACCOUNTINGDOCUMENT, sy-vline,
  WA_PGLACCSEMTAGPROJ-LEDGERGLLINEITEM, sy-vline,
  WA_PGLACCSEMTAGPROJ-SEMANTICTAG, sy-vline,
  WA_PGLACCSEMTAGPROJ-GLACCOUNTHIERARCHY, sy-vline,
  WA_PGLACCSEMTAGPROJ-VALIDITYSTARTDATE, sy-vline,
  WA_PGLACCSEMTAGPROJ-VALIDITYENDDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PGLACCSEMTAGPROJ 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_PGLACCSEMTAGPROJ 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_PGLACCSEMTAGPROJ INTO WA_PGLACCSEMTAGPROJ.


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

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

*Conversion exit GJAHR, internal->external for field POSTINGFISCALYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PGLACCSEMTAGPROJ-POSTINGFISCALYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PGLACCSEMTAGPROJ-POSTINGFISCALYEAR.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit ALPHA, internal->external for field CUSTOMER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PGLACCSEMTAGPROJ-CUSTOMER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PGLACCSEMTAGPROJ-CUSTOMER.
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_PGLACCSEMTAGPROJ_STR, 
MANDT TYPE STRING,
LEDGER TYPE STRING,
SOURCELEDGER TYPE STRING,
COMPANYCODE TYPE STRING,
POSTINGFISCALYEAR TYPE STRING,
ACCOUNTINGDOCUMENT TYPE STRING,
LEDGERGLLINEITEM TYPE STRING,
SEMANTICTAG TYPE STRING,
GLACCOUNTHIERARCHY TYPE STRING,
VALIDITYSTARTDATE TYPE STRING,
VALIDITYENDDATE TYPE STRING,
PROJECT TYPE STRING,
SALESORDER TYPE STRING,
SALESORDERITEM TYPE STRING,
ACCOUNTASSIGNMENTTYPE TYPE STRING,
BUSINESSTRANSACTIONTYPE TYPE STRING,
FISCALYEAR TYPE STRING,
CONTROLLINGAREA TYPE STRING,
CUSTOMER TYPE STRING,
POSTINGDATE TYPE STRING,
AMOUNTINCOMPANYCODECURRENCY TYPE STRING,
AMOUNTINOBJECTCURRENCY TYPE STRING,
AMOUNTINGLOBALCURRENCY TYPE STRING,
COMPANYCODECURRENCY TYPE STRING,
CONTROLLINGOBJECTCURRENCY TYPE STRING,
GLOBALCURRENCY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PGLACCSEMTAGPROJ_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_PGLACCSEMTAGPROJ_STR-MANDT sy-vline 
WA_PGLACCSEMTAGPROJ_STR-LEDGER sy-vline 
WA_PGLACCSEMTAGPROJ_STR-SOURCELEDGER sy-vline 
WA_PGLACCSEMTAGPROJ_STR-COMPANYCODE sy-vline 
WA_PGLACCSEMTAGPROJ_STR-POSTINGFISCALYEAR sy-vline 
WA_PGLACCSEMTAGPROJ_STR-ACCOUNTINGDOCUMENT sy-vline 
WA_PGLACCSEMTAGPROJ_STR-LEDGERGLLINEITEM sy-vline 
WA_PGLACCSEMTAGPROJ_STR-SEMANTICTAG sy-vline 
WA_PGLACCSEMTAGPROJ_STR-GLACCOUNTHIERARCHY sy-vline 
WA_PGLACCSEMTAGPROJ_STR-VALIDITYSTARTDATE sy-vline 
WA_PGLACCSEMTAGPROJ_STR-VALIDITYENDDATE sy-vline 
WA_PGLACCSEMTAGPROJ_STR-PROJECT sy-vline 
WA_PGLACCSEMTAGPROJ_STR-SALESORDER sy-vline 
WA_PGLACCSEMTAGPROJ_STR-SALESORDERITEM sy-vline 
WA_PGLACCSEMTAGPROJ_STR-ACCOUNTASSIGNMENTTYPE sy-vline 
WA_PGLACCSEMTAGPROJ_STR-BUSINESSTRANSACTIONTYPE sy-vline 
WA_PGLACCSEMTAGPROJ_STR-FISCALYEAR sy-vline 
WA_PGLACCSEMTAGPROJ_STR-CONTROLLINGAREA sy-vline 
WA_PGLACCSEMTAGPROJ_STR-CUSTOMER sy-vline 
WA_PGLACCSEMTAGPROJ_STR-POSTINGDATE sy-vline 
WA_PGLACCSEMTAGPROJ_STR-AMOUNTINCOMPANYCODECURRENCY sy-vline 
WA_PGLACCSEMTAGPROJ_STR-AMOUNTINOBJECTCURRENCY sy-vline 
WA_PGLACCSEMTAGPROJ_STR-AMOUNTINGLOBALCURRENCY sy-vline 
WA_PGLACCSEMTAGPROJ_STR-COMPANYCODECURRENCY sy-vline 
WA_PGLACCSEMTAGPROJ_STR-CONTROLLINGOBJECTCURRENCY sy-vline 
WA_PGLACCSEMTAGPROJ_STR-GLOBALCURRENCY sy-vline      INTO ld_text SEPARATED BY SPACE.

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