TYPE-POOLS : abap.
FIELD-SYMBOLS: <dyn_table> TYPE STANDARD TABLE,
<dyn_wa>,
<dyn_field>.
DATA: dy_table TYPE REF TO data,
dy_line TYPE REF TO data,
xfc TYPE lvc_s_fcat,
ifc TYPE lvc_t_fcat.
SELECTION-SCREEN BEGIN OF BLOCK b1 WITH FRAME.
PARAMETERS: p_table(30) TYPE c DEFAULT 'T001'.
SELECTION-SCREEN END OF BLOCK b1.
START-OF-SELECTION.
PERFORM get_structure.
PERFORM create_dynamic_itab.
*******Creates a dynamic internal table*********
PERFORM get_data.
PERFORM write_out.
*&---------------------------------------------------------------------*
*& Form get_structure
*&---------------------------------------------------------------------*
FORM get_structure.
DATA : idetails TYPE abap_compdescr_tab,
xdetails TYPE abap_compdescr.
DATA : ref_table_des TYPE REF TO cl_abap_structdescr.
* Get the structure of the table.
ref_table_des ?=
cl_abap_typedescr=>describe_by_name( p_table ).
idetails[] = ref_table_des->components[].
LOOP AT idetails INTO xdetails.
CLEAR xfc.
xfc-fieldname = xdetails-name .
CASE xdetails-type_kind.
WHEN 'C'.
xfc-datatype = 'CHAR'.
WHEN 'N'.
xfc-datatype = 'NUMC'.
WHEN 'D'.
xfc-datatype = 'DATE'.
WHEN 'P'.
xfc-datatype = 'PACK'.
WHEN OTHERS.
xfc-datatype = xdetails-type_kind.
ENDCASE.
xfc-inttype = xdetails-type_kind.
xfc-intlen = xdetails-length.
xfc-decimals = xdetails-decimals.
APPEND xfc TO ifc.
ENDLOOP.
ENDFORM. "get_structure
*&---------------------------------------------------------------------*
*& Form create_dynamic_itab
*&---------------------------------------------------------------------*
FORM create_dynamic_itab.
* Create dynamic internal table and assign to FS
CALL METHOD cl_alv_table_create=>create_dynamic_table
EXPORTING
it_fieldcatalog = ifc
i_length_in_byte = 'X' "added by Paul Robert Oct 28, 2009 17:04
IMPORTING
ep_table = dy_table.
ASSIGN dy_table->* TO <dyn_table>.
* Create dynamic work area and assign to FS
CREATE DATA dy_line LIKE LINE OF <dyn_table>.
ASSIGN dy_line->* TO <dyn_wa>.
ENDFORM. "create_dynamic_itab
*&---------------------------------------------------------------------*
*& Form get_data
*&---------------------------------------------------------------------*
FORM get_data.
* Select Data from table.
SELECT * INTO TABLE <dyn_table>
FROM (p_table).
ENDFORM. "get_data
*&---------------------------------------------------------------------*
*& Form write_out
*&---------------------------------------------------------------------*
FORM write_out.
LOOP AT <dyn_table> INTO <dyn_wa>.
DO.
ASSIGN COMPONENT sy-index
OF STRUCTURE <dyn_wa> TO <dyn_field>.
IF sy-subrc <> 0.
EXIT.
ENDIF.
IF sy-index = 1.
WRITE:/ <dyn_field>.
ELSE.
WRITE: <dyn_field>.
ENDIF.
ENDDO.
ENDLOOP.
ENDFORM. "write_out
Nov 28, 2011
Dynamic Internal Table or Array
A sample code how to create a Dynamic Internal Table or Array using Class CL_ALV_TABLE_CREATE
Nov 6, 2011
Internal table to spool
A sampe code to display Internal table to spool:
*&------------------------------------------------------------------*
*& Form SEND_TO_SPOOL
*&------------------------------------------------------------------*
* text
*-------------------------------------------------------------------*
FORM send_to_spool.
DATA: val,
pripar LIKE pri_params,
arcpar LIKE arc_params.
CALL FUNCTION 'GET_PRINT_PARAMETERS'
EXPORTING
layout = 'X_65_255'
line_count = 65
line_size = 255
IMPORTING
out_parameters = pripar
out_archive_parameters = arcpar
valid = val.
NEW-PAGE PRINT ON NEW-SECTION
PARAMETERS pripar
ARCHIVE PARAMETERS arcpar
NO DIALOG.
IF val <> space.
LOOP AT it_spool.
......
ENDLOOP.
ENDIF.
NEW-PAGE PRINT OFF.
ENDFORM. "SEND_TO_SPOOL
*&------------------------------------------------------------------*
*& Form SEND_TO_SPOOL
*&------------------------------------------------------------------*
* text
*-------------------------------------------------------------------*
FORM send_to_spool.
DATA: val,
pripar LIKE pri_params,
arcpar LIKE arc_params.
CALL FUNCTION 'GET_PRINT_PARAMETERS'
EXPORTING
layout = 'X_65_255'
line_count = 65
line_size = 255
IMPORTING
out_parameters = pripar
out_archive_parameters = arcpar
valid = val.
NEW-PAGE PRINT ON NEW-SECTION
PARAMETERS pripar
ARCHIVE PARAMETERS arcpar
NO DIALOG.
IF val <> space.
LOOP AT it_spool.
......
ENDLOOP.
ENDIF.
NEW-PAGE PRINT OFF.
ENDFORM. "SEND_TO_SPOOL
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