ABAP Select data from SAP table WRFT_CUSTFLD 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 WRFT_CUSTFLD 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 WRFT_CUSTFLD. 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 WRFT_CUSTFLD 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_WRFT_CUSTFLD TYPE STANDARD TABLE OF WRFT_CUSTFLD, WA_WRFT_CUSTFLD TYPE WRFT_CUSTFLD, 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: <WRFT_CUSTFLD> TYPE WRFT_CUSTFLD. *Process all fields in table header/work area as string values PERFORM process_as_string_field_values CHANGING wa_WRFT_CUSTFLD. SELECT * *restrict ABAP select to first 10 rows UP TO 10 ROWS FROM WRFT_CUSTFLD INTO TABLE IT_WRFT_CUSTFLD. *Select data and declare internal table using in-line method @DATA *SELECT * * FROM WRFT_CUSTFLD * INTO TABLE @DATA(IT_WRFT_CUSTFLD2). *--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_WRFT_CUSTFLD INDEX 1 INTO DATA(WA_WRFT_CUSTFLD2). *Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL LOOP AT IT_WRFT_CUSTFLD ASSIGNING <WRFT_CUSTFLD>.*To update a field value using a field symbol simply change the value via the field symbol pointer
<WRFT_CUSTFLD>-MANDT = 1.
<WRFT_CUSTFLD>-CHARTYP = 1.
<WRFT_CUSTFLD>-SPRAS = 1.
<WRFT_CUSTFLD>-FLD01_TXT = 1.
<WRFT_CUSTFLD>-FLD02_TXT = 1.
ENDLOOP. LOOP AT IT_WRFT_CUSTFLD INTO WA_WRFT_CUSTFLD. *Write horizonal line to screen report. WRITE:/ sy-uline. *Write selected data to screen/report before conversion. WRITE:/ sy-vline, WA_WRFT_CUSTFLD-FLD03_TXT, sy-vline,
WA_WRFT_CUSTFLD-FLD04_TXT, sy-vline,
WA_WRFT_CUSTFLD-FLD05_TXT, sy-vline,
WA_WRFT_CUSTFLD-FLD06_TXT, sy-vline,
WA_WRFT_CUSTFLD-FLD07_TXT, sy-vline,
WA_WRFT_CUSTFLD-FLD08_TXT, sy-vline.
ENDLOOP. *Add any further fields from structure WA_WRFT_CUSTFLD 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_WRFT_CUSTFLD 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_WRFT_CUSTFLD INTO WA_WRFT_CUSTFLD. *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 ISOLA, internal->external for field SPRAS CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT' EXPORTING input = WA_WRFT_CUSTFLD-SPRAS IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_WRFT_CUSTFLD-SPRAS.
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_WRFT_CUSTFLD_STR,
MANDT TYPE STRING,
CHARTYP TYPE STRING,
SPRAS TYPE STRING,
FLD01_TXT TYPE STRING,
FLD02_TXT TYPE STRING,
FLD03_TXT TYPE STRING,
FLD04_TXT TYPE STRING,
FLD05_TXT TYPE STRING,
FLD06_TXT TYPE STRING,
FLD07_TXT TYPE STRING,
FLD08_TXT TYPE STRING,
FLD09_TXT TYPE STRING,
FLD10_TXT TYPE STRING,END OF T_EKKO_STR. DATA: WA_WRFT_CUSTFLD_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_WRFT_CUSTFLD_STR-MANDT sy-vline
WA_WRFT_CUSTFLD_STR-CHARTYP sy-vline
WA_WRFT_CUSTFLD_STR-SPRAS sy-vline
WA_WRFT_CUSTFLD_STR-FLD01_TXT sy-vline
WA_WRFT_CUSTFLD_STR-FLD02_TXT sy-vline
WA_WRFT_CUSTFLD_STR-FLD03_TXT sy-vline
WA_WRFT_CUSTFLD_STR-FLD04_TXT sy-vline
WA_WRFT_CUSTFLD_STR-FLD05_TXT sy-vline
WA_WRFT_CUSTFLD_STR-FLD06_TXT sy-vline
WA_WRFT_CUSTFLD_STR-FLD07_TXT sy-vline
WA_WRFT_CUSTFLD_STR-FLD08_TXT sy-vline
WA_WRFT_CUSTFLD_STR-FLD09_TXT sy-vline
WA_WRFT_CUSTFLD_STR-FLD10_TXT sy-vline INTO ld_text SEPARATED BY SPACE. *Add any further fields from structure WA_EKKO_STR you want to CONCATENATE... ENDLOOP. ENDFORM.