ABAP Select data from SAP table /DSD/DE_ENTRY_SCREEN into internal table
Get Example source ABAP code based on a different SAP table
Below is a number of ABAP code snippets to demonstrate how to select data from SAP /DSD/DE_ENTRY_SCREEN 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 /DSD/DE_ENTRY_SCREEN. 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 /DSD/DE_ENTRY_SCREEN 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_/DSD/DE_ENTRY_SCREEN TYPE STANDARD TABLE OF /DSD/DE_ENTRY_SCREEN, WA_/DSD/DE_ENTRY_SCREEN TYPE /DSD/DE_ENTRY_SCREEN, 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: </DSD/DE_ENTRY_SCREEN> TYPE /DSD/DE_ENTRY_SCREEN. *Process all fields in table header/work area as string values PERFORM process_as_string_field_values CHANGING wa_/DSD/DE_ENTRY_SCREEN. SELECT * *restrict ABAP select to first 10 rows UP TO 10 ROWS FROM /DSD/DE_ENTRY_SCREEN INTO TABLE IT_/DSD/DE_ENTRY_SCREEN. *Select data and declare internal table using in-line method @DATA *SELECT * * FROM /DSD/DE_ENTRY_SCREEN * INTO TABLE @DATA(IT_/DSD/DE_ENTRY_SCREEN2). *--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_/DSD/DE_ENTRY_SCREEN INDEX 1 INTO DATA(WA_/DSD/DE_ENTRY_SCREEN2). *Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL LOOP AT IT_/DSD/DE_ENTRY_SCREEN ASSIGNING </DSD/DE_ENTRY_SCREEN>.*To update a field value using a field symbol simply change the value via the field symbol pointer
</DSD/DE_ENTRY_SCREEN>-DOC_TYPE = 1.
</DSD/DE_ENTRY_SCREEN>-DOC_NR = 1.
</DSD/DE_ENTRY_SCREEN>-ROUTE = 1.
</DSD/DE_ENTRY_SCREEN>-DRIVER1 = 1.
</DSD/DE_ENTRY_SCREEN>-VISIT = 1.
ENDLOOP. LOOP AT IT_/DSD/DE_ENTRY_SCREEN INTO WA_/DSD/DE_ENTRY_SCREEN. *Write horizonal line to screen report. WRITE:/ sy-uline. *Write selected data to screen/report before conversion. WRITE:/ sy-vline, WA_/DSD/DE_ENTRY_SCREEN-DELIV, sy-vline,
WA_/DSD/DE_ENTRY_SCREEN-EXT_DELIV, sy-vline,
WA_/DSD/DE_ENTRY_SCREEN-SCREEN1, sy-vline,
WA_/DSD/DE_ENTRY_SCREEN-SCREEN2, sy-vline,
WA_/DSD/DE_ENTRY_SCREEN-SCREEN3, sy-vline,
WA_/DSD/DE_ENTRY_SCREEN-SCREEN4, sy-vline.
ENDLOOP. *Add any further fields from structure WA_/DSD/DE_ENTRY_SCREEN 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_/DSD/DE_ENTRY_SCREEN 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_/DSD/DE_ENTRY_SCREEN INTO WA_/DSD/DE_ENTRY_SCREEN. *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 DOC_NR CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_/DSD/DE_ENTRY_SCREEN-DOC_NR IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_/DSD/DE_ENTRY_SCREEN-DOC_NR.
WRITE:/ 'New Value:', ld_input.
*Conversion exit ALPHA, internal->external for field DRIVER1 CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_/DSD/DE_ENTRY_SCREEN-DRIVER1 IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_/DSD/DE_ENTRY_SCREEN-DRIVER1.
WRITE:/ 'New Value:', ld_input.
*Conversion exit ALPHA, internal->external for field DELIV CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_/DSD/DE_ENTRY_SCREEN-DELIV IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_/DSD/DE_ENTRY_SCREEN-DELIV.
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_/DSD/DE_ENTRY_SCREEN_STR,
DOC_TYPE TYPE STRING,
DOC_NR TYPE STRING,
ROUTE TYPE STRING,
DRIVER1 TYPE STRING,
VISIT TYPE STRING,
DELIV TYPE STRING,
EXT_DELIV TYPE STRING,
SCREEN1 TYPE STRING,
SCREEN2 TYPE STRING,
SCREEN3 TYPE STRING,
SCREEN4 TYPE STRING,
SCREEN5 TYPE STRING,
SCREEN6 TYPE STRING,
SCREEN7 TYPE STRING,
SCREEN8 TYPE STRING,END OF T_EKKO_STR. DATA: WA_/DSD/DE_ENTRY_SCREEN_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_/DSD/DE_ENTRY_SCREEN_STR-DOC_TYPE sy-vline
WA_/DSD/DE_ENTRY_SCREEN_STR-DOC_NR sy-vline
WA_/DSD/DE_ENTRY_SCREEN_STR-ROUTE sy-vline
WA_/DSD/DE_ENTRY_SCREEN_STR-DRIVER1 sy-vline
WA_/DSD/DE_ENTRY_SCREEN_STR-VISIT sy-vline
WA_/DSD/DE_ENTRY_SCREEN_STR-DELIV sy-vline
WA_/DSD/DE_ENTRY_SCREEN_STR-EXT_DELIV sy-vline
WA_/DSD/DE_ENTRY_SCREEN_STR-SCREEN1 sy-vline
WA_/DSD/DE_ENTRY_SCREEN_STR-SCREEN2 sy-vline
WA_/DSD/DE_ENTRY_SCREEN_STR-SCREEN3 sy-vline
WA_/DSD/DE_ENTRY_SCREEN_STR-SCREEN4 sy-vline
WA_/DSD/DE_ENTRY_SCREEN_STR-SCREEN5 sy-vline
WA_/DSD/DE_ENTRY_SCREEN_STR-SCREEN6 sy-vline
WA_/DSD/DE_ENTRY_SCREEN_STR-SCREEN7 sy-vline
WA_/DSD/DE_ENTRY_SCREEN_STR-SCREEN8 sy-vline INTO ld_text SEPARATED BY SPACE. *Add any further fields from structure WA_EKKO_STR you want to CONCATENATE... ENDLOOP. ENDFORM.