ABAP Select data from SAP table CVIS_LFBW 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 CVIS_LFBW 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 CVIS_LFBW. 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 CVIS_LFBW 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_CVIS_LFBW TYPE STANDARD TABLE OF CVIS_LFBW, WA_CVIS_LFBW TYPE CVIS_LFBW, 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: <CVIS_LFBW> TYPE CVIS_LFBW. *Process all fields in table header/work area as string values PERFORM process_as_string_field_values CHANGING wa_CVIS_LFBW. SELECT * *restrict ABAP select to first 10 rows UP TO 10 ROWS FROM CVIS_LFBW INTO TABLE IT_CVIS_LFBW. *Select data and declare internal table using in-line method @DATA *SELECT * * FROM CVIS_LFBW * INTO TABLE @DATA(IT_CVIS_LFBW2). *--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_CVIS_LFBW INDEX 1 INTO DATA(WA_CVIS_LFBW2). *Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL LOOP AT IT_CVIS_LFBW ASSIGNING <CVIS_LFBW>.*To update a field value using a field symbol simply change the value via the field symbol pointer
<CVIS_LFBW>-MANDT = 1.
<CVIS_LFBW>-LIFNR = 1.
<CVIS_LFBW>-BUKRS = 1.
<CVIS_LFBW>-WITHT = 1.
<CVIS_LFBW>-WT_SUBJCT = 1.
ENDLOOP. LOOP AT IT_CVIS_LFBW INTO WA_CVIS_LFBW. *Write horizonal line to screen report. WRITE:/ sy-uline. *Write selected data to screen/report before conversion. WRITE:/ sy-vline, WA_CVIS_LFBW-QSREC, sy-vline,
WA_CVIS_LFBW-WT_WTSTCD, sy-vline,
WA_CVIS_LFBW-WT_WITHCD, sy-vline,
WA_CVIS_LFBW-WT_EXNR, sy-vline,
WA_CVIS_LFBW-WT_EXRT, sy-vline,
WA_CVIS_LFBW-WT_EXDF, sy-vline.
ENDLOOP. *Add any further fields from structure WA_CVIS_LFBW 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_CVIS_LFBW 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_CVIS_LFBW INTO WA_CVIS_LFBW. *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 LIFNR CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_CVIS_LFBW-LIFNR IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_CVIS_LFBW-LIFNR.
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_CVIS_LFBW_STR,
MANDT TYPE STRING,
LIFNR TYPE STRING,
BUKRS TYPE STRING,
WITHT TYPE STRING,
WT_SUBJCT TYPE STRING,
QSREC TYPE STRING,
WT_WTSTCD TYPE STRING,
WT_WITHCD TYPE STRING,
WT_EXNR TYPE STRING,
WT_EXRT TYPE STRING,
WT_EXDF TYPE STRING,
WT_EXDT TYPE STRING,
WT_WTEXRS TYPE STRING,
WT_EXRT_SCR TYPE STRING,
WT_EXDF_SCR TYPE STRING,
WT_EXDT_SCR TYPE STRING,
TEXT40 TYPE STRING,
XMARK TYPE STRING,END OF T_EKKO_STR. DATA: WA_CVIS_LFBW_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_CVIS_LFBW_STR-MANDT sy-vline
WA_CVIS_LFBW_STR-LIFNR sy-vline
WA_CVIS_LFBW_STR-BUKRS sy-vline
WA_CVIS_LFBW_STR-WITHT sy-vline
WA_CVIS_LFBW_STR-WT_SUBJCT sy-vline
WA_CVIS_LFBW_STR-QSREC sy-vline
WA_CVIS_LFBW_STR-WT_WTSTCD sy-vline
WA_CVIS_LFBW_STR-WT_WITHCD sy-vline
WA_CVIS_LFBW_STR-WT_EXNR sy-vline
WA_CVIS_LFBW_STR-WT_EXRT sy-vline
WA_CVIS_LFBW_STR-WT_EXDF sy-vline
WA_CVIS_LFBW_STR-WT_EXDT sy-vline
WA_CVIS_LFBW_STR-WT_WTEXRS sy-vline
WA_CVIS_LFBW_STR-WT_EXRT_SCR sy-vline
WA_CVIS_LFBW_STR-WT_EXDF_SCR sy-vline
WA_CVIS_LFBW_STR-WT_EXDT_SCR sy-vline
WA_CVIS_LFBW_STR-TEXT40 sy-vline
WA_CVIS_LFBW_STR-XMARK sy-vline INTO ld_text SEPARATED BY SPACE. *Add any further fields from structure WA_EKKO_STR you want to CONCATENATE... ENDLOOP. ENDFORM.