ABAP Select data from SAP table VFKK_VFKP 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 VFKK_VFKP 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 VFKK_VFKP. 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 VFKK_VFKP 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_VFKK_VFKP TYPE STANDARD TABLE OF VFKK_VFKP, WA_VFKK_VFKP TYPE VFKK_VFKP, 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: <VFKK_VFKP> TYPE VFKK_VFKP. *Process all fields in table header/work area as string values PERFORM process_as_string_field_values CHANGING wa_VFKK_VFKP. SELECT * *restrict ABAP select to first 10 rows UP TO 10 ROWS FROM VFKK_VFKP INTO TABLE IT_VFKK_VFKP. *Select data and declare internal table using in-line method @DATA *SELECT * * FROM VFKK_VFKP * INTO TABLE @DATA(IT_VFKK_VFKP2). *--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_VFKK_VFKP INDEX 1 INTO DATA(WA_VFKK_VFKP2). *Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL LOOP AT IT_VFKK_VFKP ASSIGNING <VFKK_VFKP>.*To update a field value using a field symbol simply change the value via the field symbol pointer
<VFKK_VFKP>-MANDT = 1.
<VFKK_VFKP>-FKNUM = 1.
<VFKK_VFKP>-FKPOS = 1.
<VFKK_VFKP>-REBEL = 1.
<VFKK_VFKP>-TDLNR = 1.
ENDLOOP. LOOP AT IT_VFKK_VFKP INTO WA_VFKK_VFKP. *Write horizonal line to screen report. WRITE:/ sy-uline. *Write selected data to screen/report before conversion. WRITE:/ sy-vline, WA_VFKK_VFKP-RECHS, sy-vline,
WA_VFKK_VFKP-FKPTY, sy-vline,
WA_VFKK_VFKP-EXTI1_P, sy-vline,
WA_VFKK_VFKP-EXTI2_P, sy-vline,
WA_VFKK_VFKP-EXTI1_K, sy-vline,
WA_VFKK_VFKP-EXTI2_K, sy-vline.
ENDLOOP. *Add any further fields from structure WA_VFKK_VFKP 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_VFKK_VFKP 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_VFKK_VFKP INTO WA_VFKK_VFKP. *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 FKNUM CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_VFKK_VFKP-FKNUM IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_VFKK_VFKP-FKNUM.
WRITE:/ 'New Value:', ld_input.
*Conversion exit ALPHA, internal->external for field REBEL CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_VFKK_VFKP-REBEL IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_VFKK_VFKP-REBEL.
WRITE:/ 'New Value:', ld_input.
*Conversion exit ALPHA, internal->external for field TDLNR CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_VFKK_VFKP-TDLNR IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_VFKK_VFKP-TDLNR.
WRITE:/ 'New Value:', ld_input.
*Conversion exit ALPHA, internal->external for field RECHS CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_VFKK_VFKP-RECHS IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_VFKK_VFKP-RECHS.
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_VFKK_VFKP_STR,
MANDT TYPE STRING,
FKNUM TYPE STRING,
FKPOS TYPE STRING,
REBEL TYPE STRING,
TDLNR TYPE STRING,
RECHS TYPE STRING,
FKPTY TYPE STRING,
EXTI1_P TYPE STRING,
EXTI2_P TYPE STRING,
EXTI1_K TYPE STRING,
EXTI2_K TYPE STRING,
ERNAM TYPE STRING,
FKART TYPE STRING,
STBER TYPE STRING,
STFRE TYPE STRING,
STABR TYPE STRING,END OF T_EKKO_STR. DATA: WA_VFKK_VFKP_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_VFKK_VFKP_STR-MANDT sy-vline
WA_VFKK_VFKP_STR-FKNUM sy-vline
WA_VFKK_VFKP_STR-FKPOS sy-vline
WA_VFKK_VFKP_STR-REBEL sy-vline
WA_VFKK_VFKP_STR-TDLNR sy-vline
WA_VFKK_VFKP_STR-RECHS sy-vline
WA_VFKK_VFKP_STR-FKPTY sy-vline
WA_VFKK_VFKP_STR-EXTI1_P sy-vline
WA_VFKK_VFKP_STR-EXTI2_P sy-vline
WA_VFKK_VFKP_STR-EXTI1_K sy-vline
WA_VFKK_VFKP_STR-EXTI2_K sy-vline
WA_VFKK_VFKP_STR-ERNAM sy-vline
WA_VFKK_VFKP_STR-FKART sy-vline
WA_VFKK_VFKP_STR-STBER sy-vline
WA_VFKK_VFKP_STR-STFRE sy-vline
WA_VFKK_VFKP_STR-STABR sy-vline INTO ld_text SEPARATED BY SPACE. *Add any further fields from structure WA_EKKO_STR you want to CONCATENATE... ENDLOOP. ENDFORM.