ABAP Select data from SAP table GSN3BGF1030_PDF into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP GSN3BGF1030_PDF 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 GSN3BGF1030_PDF. 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 GSN3BGF1030_PDF 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_GSN3BGF1030_PDF TYPE STANDARD TABLE OF GSN3BGF1030_PDF,
      WA_GSN3BGF1030_PDF TYPE GSN3BGF1030_PDF,
      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: <GSN3BGF1030_PDF> TYPE GSN3BGF1030_PDF.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_GSN3BGF1030_PDF.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM GSN3BGF1030_PDF
  INTO TABLE IT_GSN3BGF1030_PDF.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM GSN3BGF1030_PDF
*  INTO TABLE @DATA(IT_GSN3BGF1030_PDF2).
*--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_GSN3BGF1030_PDF INDEX 1 INTO DATA(WA_GSN3BGF1030_PDF2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_GSN3BGF1030_PDF ASSIGNING <GSN3BGF1030_PDF>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<GSN3BGF1030_PDF>-N3BG_LFDNR = 1.
<GSN3BGF1030_PDF>-ISHMPATUVT = 1.
<GSN3BGF1030_PDF>-ISHMUNFBDT = 1.
<GSN3BGF1030_PDF>-ISHMUNFBZT = 1.
<GSN3BGF1030_PDF>-ISHMPATNAM = 1.

ENDLOOP.

LOOP AT IT_GSN3BGF1030_PDF INTO WA_GSN3BGF1030_PDF.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_GSN3BGF1030_PDF-ISHMPATGEB, sy-vline,
  WA_GSN3BGF1030_PDF-ISHMPATKVT, sy-vline,
  WA_GSN3BGF1030_PDF-ISHMPATBER, sy-vline,
  WA_GSN3BGF1030_PDF-N3BG_VSEIT, sy-vline,
  WA_GSN3BGF1030_PDF-N3BG_VPKAS, sy-vline,
  WA_GSN3BGF1030_PDF-ISHMPATAGA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_GSN3BGF1030_PDF 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_GSN3BGF1030_PDF 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_GSN3BGF1030_PDF INTO WA_GSN3BGF1030_PDF.


*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 N3BG_ICPM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_GSN3BGF1030_PDF-N3BG_ICPM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GSN3BGF1030_PDF-N3BG_ICPM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field IK_NO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_GSN3BGF1030_PDF-IK_NO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GSN3BGF1030_PDF-IK_NO.
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_GSN3BGF1030_PDF_STR, 
N3BG_LFDNR TYPE STRING,
ISHMPATUVT TYPE STRING,
ISHMUNFBDT TYPE STRING,
ISHMUNFBZT TYPE STRING,
ISHMPATNAM TYPE STRING,
ISHMPATGEB TYPE STRING,
ISHMPATKVT TYPE STRING,
ISHMPATBER TYPE STRING,
N3BG_VSEIT TYPE STRING,
N3BG_VPKAS TYPE STRING,
ISHMPATAGA TYPE STRING,
ISHMPATADR TYPE STRING,
ISHMPATTEL TYPE STRING,
ISHMPATNAT TYPE STRING,
ISHMPATGES TYPE STRING,
ISHMUNFDAT TYPE STRING,
ISHMUNFZET TYPE STRING,
ISHMUNFAZT TYPE STRING,
N3BG_EAZT TYPE STRING,
N3BGEART TYPE STRING,
N3BGERSTA TYPE STRING,
N3BGERSTDU TYPE STRING,
N3BG_R52R TYPE STRING,
N3BG_R52L TYPE STRING,
N3BG_R52R1 TYPE STRING,
N3BG_R52L1 TYPE STRING,
N3BG_R52R2 TYPE STRING,
N3BG_R52L2 TYPE STRING,
N3BG_R52R3 TYPE STRING,
N3BG_R52L3 TYPE STRING,
N3BG_ACHS1 TYPE STRING,
N3BG_ACHS2 TYPE STRING,
N3BG_DKEY TYPE STRING,
N3BG_ICPM TYPE STRING,
N3BG_X91 TYPE STRING,
N3BG_X92 TYPE STRING,
N3BG_X131 TYPE STRING,
N3BG_X132 TYPE STRING,
N3BG_AUAB TYPE STRING,
N3BG_X133 TYPE STRING,
N3BGARBAB TYPE STRING,
N3BG_X134 TYPE STRING,
N3BG_X121 TYPE STRING,
N3BG_X122 TYPE STRING,
N3BG_X123 TYPE STRING,
N3BG_X124 TYPE STRING,
N3BG_X125 TYPE STRING,
N3BG_X126 TYPE STRING,
X00G_NPART TYPE STRING,
N3BGAKTDA TYPE STRING,
IK_NO TYPE STRING,
ISHMUNFHER TYPE STRING,
ISHMUNFVHV TYPE STRING,
N3BGBEFUN TYPE STRING,
N3BG_LANG TYPE STRING,
N3BGDARZT TYPE STRING,
N3BGKRANK TYPE STRING,
N3BGWAR TYPE STRING,
N3BG_LTXTL_A TYPE STRING,
N3BG_LTXTL_K TYPE STRING,
KRANKZ TYPE STRING,
ALLES TYPE STRING,END OF T_EKKO_STR.
DATA: WA_GSN3BGF1030_PDF_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_GSN3BGF1030_PDF_STR-N3BG_LFDNR sy-vline 
WA_GSN3BGF1030_PDF_STR-ISHMPATUVT sy-vline 
WA_GSN3BGF1030_PDF_STR-ISHMUNFBDT sy-vline 
WA_GSN3BGF1030_PDF_STR-ISHMUNFBZT sy-vline 
WA_GSN3BGF1030_PDF_STR-ISHMPATNAM sy-vline 
WA_GSN3BGF1030_PDF_STR-ISHMPATGEB sy-vline 
WA_GSN3BGF1030_PDF_STR-ISHMPATKVT sy-vline 
WA_GSN3BGF1030_PDF_STR-ISHMPATBER sy-vline 
WA_GSN3BGF1030_PDF_STR-N3BG_VSEIT sy-vline 
WA_GSN3BGF1030_PDF_STR-N3BG_VPKAS sy-vline 
WA_GSN3BGF1030_PDF_STR-ISHMPATAGA sy-vline 
WA_GSN3BGF1030_PDF_STR-ISHMPATADR sy-vline 
WA_GSN3BGF1030_PDF_STR-ISHMPATTEL sy-vline 
WA_GSN3BGF1030_PDF_STR-ISHMPATNAT sy-vline 
WA_GSN3BGF1030_PDF_STR-ISHMPATGES sy-vline 
WA_GSN3BGF1030_PDF_STR-ISHMUNFDAT sy-vline 
WA_GSN3BGF1030_PDF_STR-ISHMUNFZET sy-vline 
WA_GSN3BGF1030_PDF_STR-ISHMUNFAZT sy-vline 
WA_GSN3BGF1030_PDF_STR-N3BG_EAZT sy-vline 
WA_GSN3BGF1030_PDF_STR-N3BGEART sy-vline 
WA_GSN3BGF1030_PDF_STR-N3BGERSTA sy-vline 
WA_GSN3BGF1030_PDF_STR-N3BGERSTDU sy-vline 
WA_GSN3BGF1030_PDF_STR-N3BG_R52R sy-vline 
WA_GSN3BGF1030_PDF_STR-N3BG_R52L sy-vline 
WA_GSN3BGF1030_PDF_STR-N3BG_R52R1 sy-vline 
WA_GSN3BGF1030_PDF_STR-N3BG_R52L1 sy-vline 
WA_GSN3BGF1030_PDF_STR-N3BG_R52R2 sy-vline 
WA_GSN3BGF1030_PDF_STR-N3BG_R52L2 sy-vline 
WA_GSN3BGF1030_PDF_STR-N3BG_R52R3 sy-vline 
WA_GSN3BGF1030_PDF_STR-N3BG_R52L3 sy-vline 
WA_GSN3BGF1030_PDF_STR-N3BG_ACHS1 sy-vline 
WA_GSN3BGF1030_PDF_STR-N3BG_ACHS2 sy-vline 
WA_GSN3BGF1030_PDF_STR-N3BG_DKEY sy-vline 
WA_GSN3BGF1030_PDF_STR-N3BG_ICPM sy-vline 
WA_GSN3BGF1030_PDF_STR-N3BG_X91 sy-vline 
WA_GSN3BGF1030_PDF_STR-N3BG_X92 sy-vline 
WA_GSN3BGF1030_PDF_STR-N3BG_X131 sy-vline 
WA_GSN3BGF1030_PDF_STR-N3BG_X132 sy-vline 
WA_GSN3BGF1030_PDF_STR-N3BG_AUAB sy-vline 
WA_GSN3BGF1030_PDF_STR-N3BG_X133 sy-vline 
WA_GSN3BGF1030_PDF_STR-N3BGARBAB sy-vline 
WA_GSN3BGF1030_PDF_STR-N3BG_X134 sy-vline 
WA_GSN3BGF1030_PDF_STR-N3BG_X121 sy-vline 
WA_GSN3BGF1030_PDF_STR-N3BG_X122 sy-vline 
WA_GSN3BGF1030_PDF_STR-N3BG_X123 sy-vline 
WA_GSN3BGF1030_PDF_STR-N3BG_X124 sy-vline 
WA_GSN3BGF1030_PDF_STR-N3BG_X125 sy-vline 
WA_GSN3BGF1030_PDF_STR-N3BG_X126 sy-vline 
WA_GSN3BGF1030_PDF_STR-X00G_NPART sy-vline 
WA_GSN3BGF1030_PDF_STR-N3BGAKTDA sy-vline 
WA_GSN3BGF1030_PDF_STR-IK_NO sy-vline 
WA_GSN3BGF1030_PDF_STR-ISHMUNFHER sy-vline 
WA_GSN3BGF1030_PDF_STR-ISHMUNFVHV sy-vline 
WA_GSN3BGF1030_PDF_STR-N3BGBEFUN sy-vline 
WA_GSN3BGF1030_PDF_STR-N3BG_LANG sy-vline 
WA_GSN3BGF1030_PDF_STR-N3BGDARZT sy-vline 
WA_GSN3BGF1030_PDF_STR-N3BGKRANK sy-vline 
WA_GSN3BGF1030_PDF_STR-N3BGWAR sy-vline 
WA_GSN3BGF1030_PDF_STR-N3BG_LTXTL_A sy-vline 
WA_GSN3BGF1030_PDF_STR-N3BG_LTXTL_K sy-vline 
WA_GSN3BGF1030_PDF_STR-KRANKZ sy-vline 
WA_GSN3BGF1030_PDF_STR-ALLES sy-vline      INTO ld_text SEPARATED BY SPACE.

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