ABAP Select data from SAP table PGLACCTCOAHIER into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PGLACCTCOAHIER
*  INTO TABLE @DATA(IT_PGLACCTCOAHIER2).
*--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_PGLACCTCOAHIER INDEX 1 INTO DATA(WA_PGLACCTCOAHIER2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PGLACCTCOAHIER>-MANDT = 1.
<PGLACCTCOAHIER>-DIR_ENTRY = 1.
<PGLACCTCOAHIER>-CHARTOFACCOUNTS = 1.
<PGLACCTCOAHIER>-HIERARCHYNODEUNIQUEID = 1.
<PGLACCTCOAHIER>-VALIDITYENDDATE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PGLACCTCOAHIER-HIERARCHYNODE, sy-vline,
  WA_PGLACCTCOAHIER-PARENTNODEUNIQUEID, sy-vline,
  WA_PGLACCTCOAHIER-FINANCIALSTATEMENTITEM, sy-vline,
  WA_PGLACCTCOAHIER-FINSTATEMENTHIERARCHYLEVELVAL, sy-vline,
  WA_PGLACCTCOAHIER-GLACCOUNT, sy-vline,
  WA_PGLACCTCOAHIER-FUNCTIONALAREA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PGLACCTCOAHIER 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_PGLACCTCOAHIER 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_PGLACCTCOAHIER INTO WA_PGLACCTCOAHIER.


*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 GLACCOUNT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PGLACCTCOAHIER-GLACCOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PGLACCTCOAHIER-GLACCOUNT.
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_PGLACCTCOAHIER_STR, 
MANDT TYPE STRING,
DIR_ENTRY TYPE STRING,
CHARTOFACCOUNTS TYPE STRING,
HIERARCHYNODEUNIQUEID TYPE STRING,
VALIDITYENDDATE TYPE STRING,
HIERARCHYNODE TYPE STRING,
PARENTNODEUNIQUEID TYPE STRING,
FINANCIALSTATEMENTITEM TYPE STRING,
FINSTATEMENTHIERARCHYLEVELVAL TYPE STRING,
GLACCOUNT TYPE STRING,
FUNCTIONALAREA TYPE STRING,
HIERARCHYDRILLSTATE TYPE STRING,
FINANCIALSTATEMENTNODETYPE TYPE STRING,
HIERARCHYNODEVAL TYPE STRING,
HIERARCHYPARENTNODEVAL TYPE STRING,
VALIDITYSTARTDATE TYPE STRING,
NODETYPE TYPE STRING,
HIERARCHYLEVEL TYPE STRING,
HIERARCHYNODESEQUENCE TYPE STRING,
DEBITCREDITCODE TYPE STRING,
FINSTATEMENTITEMDESCRIPTION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PGLACCTCOAHIER_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_PGLACCTCOAHIER_STR-MANDT sy-vline 
WA_PGLACCTCOAHIER_STR-DIR_ENTRY sy-vline 
WA_PGLACCTCOAHIER_STR-CHARTOFACCOUNTS sy-vline 
WA_PGLACCTCOAHIER_STR-HIERARCHYNODEUNIQUEID sy-vline 
WA_PGLACCTCOAHIER_STR-VALIDITYENDDATE sy-vline 
WA_PGLACCTCOAHIER_STR-HIERARCHYNODE sy-vline 
WA_PGLACCTCOAHIER_STR-PARENTNODEUNIQUEID sy-vline 
WA_PGLACCTCOAHIER_STR-FINANCIALSTATEMENTITEM sy-vline 
WA_PGLACCTCOAHIER_STR-FINSTATEMENTHIERARCHYLEVELVAL sy-vline 
WA_PGLACCTCOAHIER_STR-GLACCOUNT sy-vline 
WA_PGLACCTCOAHIER_STR-FUNCTIONALAREA sy-vline 
WA_PGLACCTCOAHIER_STR-HIERARCHYDRILLSTATE sy-vline 
WA_PGLACCTCOAHIER_STR-FINANCIALSTATEMENTNODETYPE sy-vline 
WA_PGLACCTCOAHIER_STR-HIERARCHYNODEVAL sy-vline 
WA_PGLACCTCOAHIER_STR-HIERARCHYPARENTNODEVAL sy-vline 
WA_PGLACCTCOAHIER_STR-VALIDITYSTARTDATE sy-vline 
WA_PGLACCTCOAHIER_STR-NODETYPE sy-vline 
WA_PGLACCTCOAHIER_STR-HIERARCHYLEVEL sy-vline 
WA_PGLACCTCOAHIER_STR-HIERARCHYNODESEQUENCE sy-vline 
WA_PGLACCTCOAHIER_STR-DEBITCREDITCODE sy-vline 
WA_PGLACCTCOAHIER_STR-FINSTATEMENTITEMDESCRIPTION sy-vline      INTO ld_text SEPARATED BY SPACE.

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