ABAP Select data from SAP table CFG_PSM_FINS_LD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CFG_PSM_FINS_LD
*  INTO TABLE @DATA(IT_CFG_PSM_FINS_LD2).
*--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_CFG_PSM_FINS_LD INDEX 1 INTO DATA(WA_CFG_PSM_FINS_LD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CFG_PSM_FINS_LD>-I_MANDT = 1.
<CFG_PSM_FINS_LD>-I_BUKRS = 1.
<CFG_PSM_FINS_LD>-I_RLDNR = 1.
<CFG_PSM_FINS_LD>-I_ACC_PRINCIPLE = 1.
<CFG_PSM_FINS_LD>-I_CURPOSB = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CFG_PSM_FINS_LD-I_CURPOSC, sy-vline,
  WA_CFG_PSM_FINS_LD-I_CURPOSD, sy-vline,
  WA_CFG_PSM_FINS_LD-I_CURPOSE, sy-vline,
  WA_CFG_PSM_FINS_LD-I_CURPOSF, sy-vline,
  WA_CFG_PSM_FINS_LD-I_CURPOSG, sy-vline,
  WA_CFG_PSM_FINS_LD-I_CURPOSK, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CFG_PSM_FINS_LD 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_CFG_PSM_FINS_LD 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_CFG_PSM_FINS_LD INTO WA_CFG_PSM_FINS_LD.


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

*Conversion exit GJAHR, internal->external for field I_TOYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_CFG_PSM_FINS_LD-I_TOYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CFG_PSM_FINS_LD-I_TOYEAR.
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_CFG_PSM_FINS_LD_STR, 
I_MANDT TYPE STRING,
I_BUKRS TYPE STRING,
I_RLDNR TYPE STRING,
I_ACC_PRINCIPLE TYPE STRING,
I_CURPOSB TYPE STRING,
I_CURPOSC TYPE STRING,
I_CURPOSD TYPE STRING,
I_CURPOSE TYPE STRING,
I_CURPOSF TYPE STRING,
I_CURPOSG TYPE STRING,
I_CURPOSK TYPE STRING,
I_CURPOSO TYPE STRING,
I_CURPOSV TYPE STRING,
I_CURTPB TYPE STRING,
I_CURTPC TYPE STRING,
I_CURTPD TYPE STRING,
I_CURTPE TYPE STRING,
I_CURTPF TYPE STRING,
I_CURTPG TYPE STRING,
I_CURTPH TYPE STRING,
I_CURTPK TYPE STRING,
I_CURTPO TYPE STRING,
I_CURTPV TYPE STRING,
I_FUNCTIONAL_CURRENCY TYPE STRING,
I_OPVAR TYPE STRING,
I_PARGLACCTS TYPE STRING,
I_PERIV TYPE STRING,
I_TOYEAR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CFG_PSM_FINS_LD_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_CFG_PSM_FINS_LD_STR-I_MANDT sy-vline 
WA_CFG_PSM_FINS_LD_STR-I_BUKRS sy-vline 
WA_CFG_PSM_FINS_LD_STR-I_RLDNR sy-vline 
WA_CFG_PSM_FINS_LD_STR-I_ACC_PRINCIPLE sy-vline 
WA_CFG_PSM_FINS_LD_STR-I_CURPOSB sy-vline 
WA_CFG_PSM_FINS_LD_STR-I_CURPOSC sy-vline 
WA_CFG_PSM_FINS_LD_STR-I_CURPOSD sy-vline 
WA_CFG_PSM_FINS_LD_STR-I_CURPOSE sy-vline 
WA_CFG_PSM_FINS_LD_STR-I_CURPOSF sy-vline 
WA_CFG_PSM_FINS_LD_STR-I_CURPOSG sy-vline 
WA_CFG_PSM_FINS_LD_STR-I_CURPOSK sy-vline 
WA_CFG_PSM_FINS_LD_STR-I_CURPOSO sy-vline 
WA_CFG_PSM_FINS_LD_STR-I_CURPOSV sy-vline 
WA_CFG_PSM_FINS_LD_STR-I_CURTPB sy-vline 
WA_CFG_PSM_FINS_LD_STR-I_CURTPC sy-vline 
WA_CFG_PSM_FINS_LD_STR-I_CURTPD sy-vline 
WA_CFG_PSM_FINS_LD_STR-I_CURTPE sy-vline 
WA_CFG_PSM_FINS_LD_STR-I_CURTPF sy-vline 
WA_CFG_PSM_FINS_LD_STR-I_CURTPG sy-vline 
WA_CFG_PSM_FINS_LD_STR-I_CURTPH sy-vline 
WA_CFG_PSM_FINS_LD_STR-I_CURTPK sy-vline 
WA_CFG_PSM_FINS_LD_STR-I_CURTPO sy-vline 
WA_CFG_PSM_FINS_LD_STR-I_CURTPV sy-vline 
WA_CFG_PSM_FINS_LD_STR-I_FUNCTIONAL_CURRENCY sy-vline 
WA_CFG_PSM_FINS_LD_STR-I_OPVAR sy-vline 
WA_CFG_PSM_FINS_LD_STR-I_PARGLACCTS sy-vline 
WA_CFG_PSM_FINS_LD_STR-I_PERIV sy-vline 
WA_CFG_PSM_FINS_LD_STR-I_TOYEAR sy-vline      INTO ld_text SEPARATED BY SPACE.

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