ABAP Select data from SAP table FAGL_RSNAPSHOT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FAGL_RSNAPSHOT
*  INTO TABLE @DATA(IT_FAGL_RSNAPSHOT2).
*--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_FAGL_RSNAPSHOT INDEX 1 INTO DATA(WA_FAGL_RSNAPSHOT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FAGL_RSNAPSHOT>-MANDT = 1.
<FAGL_RSNAPSHOT>-RPLAN = 1.
<FAGL_RSNAPSHOT>-RPACK = 1.
<FAGL_RSNAPSHOT>-BUKRS = 1.
<FAGL_RSNAPSHOT>-RLDNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FAGL_RSNAPSHOT-RACCT, sy-vline,
  WA_FAGL_RSNAPSHOT-RTCUR, sy-vline,
  WA_FAGL_RSNAPSHOT-LAYER, sy-vline,
  WA_FAGL_RSNAPSHOT-RYEAR, sy-vline,
  WA_FAGL_RSNAPSHOT-PERIO, sy-vline,
  WA_FAGL_RSNAPSHOT-OBJNR_SAP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FAGL_RSNAPSHOT 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_FAGL_RSNAPSHOT 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_FAGL_RSNAPSHOT INTO WA_FAGL_RSNAPSHOT.


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

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

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

*Conversion exit ALPHA, internal->external for field VBUND
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FAGL_RSNAPSHOT-VBUND
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FAGL_RSNAPSHOT-VBUND.
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_FAGL_RSNAPSHOT_STR, 
MANDT TYPE STRING,
RPLAN TYPE STRING,
RPACK TYPE STRING,
BUKRS TYPE STRING,
RLDNR TYPE STRING,
RACCT TYPE STRING,
RTCUR TYPE STRING,
LAYER TYPE STRING,
RYEAR TYPE STRING,
PERIO TYPE STRING,
OBJNR_SAP TYPE STRING,
OBJNR_CUST TYPE STRING,
OBJNR_SIG TYPE STRING,
OBJNR_PARTNER TYPE STRING,
TSL TYPE STRING,
HSL TYPE STRING,
KSL TYPE STRING,
OSL TYPE STRING,
GLATTR TYPE STRING,
GLATTR_VAL TYPE STRING,
SIG TYPE STRING,
SIG_VAL1 TYPE STRING,
SIG_VAL2 TYPE STRING,
SIG_VAL3 TYPE STRING,
SIG_VAL4 TYPE STRING,
SIG_VAL5 TYPE STRING,
RMVCT TYPE STRING,
VBUND TYPE STRING,
TIMESTAMP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FAGL_RSNAPSHOT_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_FAGL_RSNAPSHOT_STR-MANDT sy-vline 
WA_FAGL_RSNAPSHOT_STR-RPLAN sy-vline 
WA_FAGL_RSNAPSHOT_STR-RPACK sy-vline 
WA_FAGL_RSNAPSHOT_STR-BUKRS sy-vline 
WA_FAGL_RSNAPSHOT_STR-RLDNR sy-vline 
WA_FAGL_RSNAPSHOT_STR-RACCT sy-vline 
WA_FAGL_RSNAPSHOT_STR-RTCUR sy-vline 
WA_FAGL_RSNAPSHOT_STR-LAYER sy-vline 
WA_FAGL_RSNAPSHOT_STR-RYEAR sy-vline 
WA_FAGL_RSNAPSHOT_STR-PERIO sy-vline 
WA_FAGL_RSNAPSHOT_STR-OBJNR_SAP sy-vline 
WA_FAGL_RSNAPSHOT_STR-OBJNR_CUST sy-vline 
WA_FAGL_RSNAPSHOT_STR-OBJNR_SIG sy-vline 
WA_FAGL_RSNAPSHOT_STR-OBJNR_PARTNER sy-vline 
WA_FAGL_RSNAPSHOT_STR-TSL sy-vline 
WA_FAGL_RSNAPSHOT_STR-HSL sy-vline 
WA_FAGL_RSNAPSHOT_STR-KSL sy-vline 
WA_FAGL_RSNAPSHOT_STR-OSL sy-vline 
WA_FAGL_RSNAPSHOT_STR-GLATTR sy-vline 
WA_FAGL_RSNAPSHOT_STR-GLATTR_VAL sy-vline 
WA_FAGL_RSNAPSHOT_STR-SIG sy-vline 
WA_FAGL_RSNAPSHOT_STR-SIG_VAL1 sy-vline 
WA_FAGL_RSNAPSHOT_STR-SIG_VAL2 sy-vline 
WA_FAGL_RSNAPSHOT_STR-SIG_VAL3 sy-vline 
WA_FAGL_RSNAPSHOT_STR-SIG_VAL4 sy-vline 
WA_FAGL_RSNAPSHOT_STR-SIG_VAL5 sy-vline 
WA_FAGL_RSNAPSHOT_STR-RMVCT sy-vline 
WA_FAGL_RSNAPSHOT_STR-VBUND sy-vline 
WA_FAGL_RSNAPSHOT_STR-TIMESTAMP sy-vline      INTO ld_text SEPARATED BY SPACE.

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