ABAP Select data from SAP table PGLACCTBAL02 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PGLACCTBAL02 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 PGLACCTBAL02. 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 PGLACCTBAL02 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_PGLACCTBAL02 TYPE STANDARD TABLE OF PGLACCTBAL02,
      WA_PGLACCTBAL02 TYPE PGLACCTBAL02,
      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: <PGLACCTBAL02> TYPE PGLACCTBAL02.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PGLACCTBAL02.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PGLACCTBAL02
  INTO TABLE IT_PGLACCTBAL02.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PGLACCTBAL02
*  INTO TABLE @DATA(IT_PGLACCTBAL022).
*--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_PGLACCTBAL02 INDEX 1 INTO DATA(WA_PGLACCTBAL022).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PGLACCTBAL02 ASSIGNING <PGLACCTBAL02>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PGLACCTBAL02>-MANDT = 1.
<PGLACCTBAL02>-LEDGER = 1.
<PGLACCTBAL02>-COMPANYCODE = 1.
<PGLACCTBAL02>-FISCALYEAR = 1.
<PGLACCTBAL02>-ACCOUNTINGDOCUMENT = 1.

ENDLOOP.

LOOP AT IT_PGLACCTBAL02 INTO WA_PGLACCTBAL02.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PGLACCTBAL02-LEDGERGLLINEITEM, sy-vline,
  WA_PGLACCTBAL02-LEDGERFISCALYEAR, sy-vline,
  WA_PGLACCTBAL02-CHARTOFACCOUNTS, sy-vline,
  WA_PGLACCTBAL02-ACCOUNTINGDOCUMENTTYPE, sy-vline,
  WA_PGLACCTBAL02-GLACCOUNT, sy-vline,
  WA_PGLACCTBAL02-COUNTRYCHARTOFACCOUNTS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PGLACCTBAL02 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_PGLACCTBAL02 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_PGLACCTBAL02 INTO WA_PGLACCTBAL02.


*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_PGLACCTBAL02-LEDGER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PGLACCTBAL02-LEDGER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field FISCALYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PGLACCTBAL02-FISCALYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PGLACCTBAL02-FISCALYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ACCOUNTINGDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PGLACCTBAL02-ACCOUNTINGDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PGLACCTBAL02-ACCOUNTINGDOCUMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field LEDGERFISCALYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PGLACCTBAL02-LEDGERFISCALYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PGLACCTBAL02-LEDGERFISCALYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field GLACCOUNT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PGLACCTBAL02-GLACCOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PGLACCTBAL02-GLACCOUNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ALTERNATIVEGLACCOUNT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PGLACCTBAL02-ALTERNATIVEGLACCOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PGLACCTBAL02-ALTERNATIVEGLACCOUNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field COSTCENTER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PGLACCTBAL02-COSTCENTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PGLACCTBAL02-COSTCENTER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PROFITCENTER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PGLACCTBAL02-PROFITCENTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PGLACCTBAL02-PROFITCENTER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SEGMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PGLACCTBAL02-SEGMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PGLACCTBAL02-SEGMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PARTNERCOMPANY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PGLACCTBAL02-PARTNERCOMPANY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PGLACCTBAL02-PARTNERCOMPANY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSN, internal->external for field WBSELEMENT
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_PGLACCTBAL02-WBSELEMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PGLACCTBAL02-WBSELEMENT.
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_PGLACCTBAL02_STR, 
MANDT TYPE STRING,
LEDGER TYPE STRING,
COMPANYCODE TYPE STRING,
FISCALYEAR TYPE STRING,
ACCOUNTINGDOCUMENT TYPE STRING,
LEDGERGLLINEITEM TYPE STRING,
LEDGERFISCALYEAR TYPE STRING,
CHARTOFACCOUNTS TYPE STRING,
ACCOUNTINGDOCUMENTTYPE TYPE STRING,
GLACCOUNT TYPE STRING,
COUNTRYCHARTOFACCOUNTS TYPE STRING,
ALTERNATIVEGLACCOUNT TYPE STRING,
CONTROLLINGAREA TYPE STRING,
COSTCENTER TYPE STRING,
PROFITCENTER TYPE STRING,
FUNCTIONALAREA TYPE STRING,
BUSINESSAREA TYPE STRING,
SEGMENT TYPE STRING,
DEBITCREDITCODE TYPE STRING,
POSTINGDATE TYPE STRING,
FISCALPERIOD TYPE STRING,
PARTNERCOMPANY TYPE STRING,
WBSELEMENT TYPE STRING,
GLACCOUNTTYPE TYPE STRING,
CURRENCY TYPE STRING,
DEBITPERIODBALAMTINDSPCRCY TYPE STRING,
CREDITPERIODBALAMTINDSPCRCY TYPE STRING,
DEBITYEAROPENBALAMTINDSPCRCY TYPE STRING,
CREDITYEAROPENBALAMTINDSPCRCY TYPE STRING,
DEBITOPENPERDBALAMTINDSPCRCY TYPE STRING,
CREDITOPENPERDBALAMTINDSPCRCY TYPE STRING,
DEBITENDPERDBALAMTINDSPCRCY TYPE STRING,
CREDITENDPERDBALAMTINDSPCRCY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PGLACCTBAL02_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_PGLACCTBAL02_STR-MANDT sy-vline 
WA_PGLACCTBAL02_STR-LEDGER sy-vline 
WA_PGLACCTBAL02_STR-COMPANYCODE sy-vline 
WA_PGLACCTBAL02_STR-FISCALYEAR sy-vline 
WA_PGLACCTBAL02_STR-ACCOUNTINGDOCUMENT sy-vline 
WA_PGLACCTBAL02_STR-LEDGERGLLINEITEM sy-vline 
WA_PGLACCTBAL02_STR-LEDGERFISCALYEAR sy-vline 
WA_PGLACCTBAL02_STR-CHARTOFACCOUNTS sy-vline 
WA_PGLACCTBAL02_STR-ACCOUNTINGDOCUMENTTYPE sy-vline 
WA_PGLACCTBAL02_STR-GLACCOUNT sy-vline 
WA_PGLACCTBAL02_STR-COUNTRYCHARTOFACCOUNTS sy-vline 
WA_PGLACCTBAL02_STR-ALTERNATIVEGLACCOUNT sy-vline 
WA_PGLACCTBAL02_STR-CONTROLLINGAREA sy-vline 
WA_PGLACCTBAL02_STR-COSTCENTER sy-vline 
WA_PGLACCTBAL02_STR-PROFITCENTER sy-vline 
WA_PGLACCTBAL02_STR-FUNCTIONALAREA sy-vline 
WA_PGLACCTBAL02_STR-BUSINESSAREA sy-vline 
WA_PGLACCTBAL02_STR-SEGMENT sy-vline 
WA_PGLACCTBAL02_STR-DEBITCREDITCODE sy-vline 
WA_PGLACCTBAL02_STR-POSTINGDATE sy-vline 
WA_PGLACCTBAL02_STR-FISCALPERIOD sy-vline 
WA_PGLACCTBAL02_STR-PARTNERCOMPANY sy-vline 
WA_PGLACCTBAL02_STR-WBSELEMENT sy-vline 
WA_PGLACCTBAL02_STR-GLACCOUNTTYPE sy-vline 
WA_PGLACCTBAL02_STR-CURRENCY sy-vline 
WA_PGLACCTBAL02_STR-DEBITPERIODBALAMTINDSPCRCY sy-vline 
WA_PGLACCTBAL02_STR-CREDITPERIODBALAMTINDSPCRCY sy-vline 
WA_PGLACCTBAL02_STR-DEBITYEAROPENBALAMTINDSPCRCY sy-vline 
WA_PGLACCTBAL02_STR-CREDITYEAROPENBALAMTINDSPCRCY sy-vline 
WA_PGLACCTBAL02_STR-DEBITOPENPERDBALAMTINDSPCRCY sy-vline 
WA_PGLACCTBAL02_STR-CREDITOPENPERDBALAMTINDSPCRCY sy-vline 
WA_PGLACCTBAL02_STR-DEBITENDPERDBALAMTINDSPCRCY sy-vline 
WA_PGLACCTBAL02_STR-CREDITENDPERDBALAMTINDSPCRCY sy-vline      INTO ld_text SEPARATED BY SPACE.

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