ABAP Select data from SAP table CVLC23 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 CVLC23 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 CVLC23. 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 CVLC23 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_CVLC23 TYPE STANDARD TABLE OF CVLC23,
WA_CVLC23 TYPE CVLC23,
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: <CVLC23> TYPE CVLC23.
*Process all fields in table header/work area as string values
PERFORM process_as_string_field_values CHANGING wa_CVLC23.
SELECT *
*restrict ABAP select to first 10 rows
UP TO 10 ROWS
FROM CVLC23
INTO TABLE IT_CVLC23.
*Select data and declare internal table using in-line method @DATA
*SELECT *
* FROM CVLC23
* INTO TABLE @DATA(IT_CVLC232).
*--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_CVLC23 INDEX 1 INTO DATA(WA_CVLC232).
*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_CVLC23 ASSIGNING <CVLC23>.
*To update a field value using a field symbol simply change the value via the field symbol pointer<CVLC23>-MANDT = 1.
<CVLC23>-ROLE = 1.
<CVLC23>-WERKS = 1.
<CVLC23>-VKORG = 1.
<CVLC23>-VTWEG = 1.
ENDLOOP. LOOP AT IT_CVLC23 INTO WA_CVLC23. *Write horizonal line to screen report. WRITE:/ sy-uline. *Write selected data to screen/report before conversion. WRITE:/ sy-vline, WA_CVLC23-SPART, sy-vline,
WA_CVLC23-AUART, sy-vline,
WA_CVLC23-KUNNR, sy-vline,
WA_CVLC23-KUNWE, sy-vline,
WA_CVLC23-KUNRG, sy-vline,
WA_CVLC23-EKORG, sy-vline.
ENDLOOP. *Add any further fields from structure WA_CVLC23 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_CVLC23 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_CVLC23 INTO WA_CVLC23. *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 AUART, internal->external for field AUART CALL FUNCTION 'CONVERSION_EXIT_AUART_OUTPUT' EXPORTING input = WA_CVLC23-AUART IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_CVLC23-AUART.
WRITE:/ 'New Value:', ld_input.
*Conversion exit ALPHA, internal->external for field KUNNR CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_CVLC23-KUNNR IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_CVLC23-KUNNR.
WRITE:/ 'New Value:', ld_input.
*Conversion exit ALPHA, internal->external for field KUNWE CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_CVLC23-KUNWE IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_CVLC23-KUNWE.
WRITE:/ 'New Value:', ld_input.
*Conversion exit ALPHA, internal->external for field KUNRG CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_CVLC23-KUNRG IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_CVLC23-KUNRG.
WRITE:/ 'New Value:', ld_input.
*Conversion exit ALPHA, internal->external for field VHORD CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_CVLC23-VHORD IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_CVLC23-VHORD.
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_CVLC23_STR,
MANDT TYPE STRING,
ROLE TYPE STRING,
WERKS TYPE STRING,
VKORG TYPE STRING,
VTWEG TYPE STRING,
SPART TYPE STRING,
AUART TYPE STRING,
KUNNR TYPE STRING,
KUNWE TYPE STRING,
KUNRG TYPE STRING,
EKORG TYPE STRING,
EKGRP TYPE STRING,
BSART TYPE STRING,
VHSAR TYPE STRING,
VHORD TYPE STRING,
KALSM TYPE STRING,
CURRENCY TYPE STRING,END OF T_EKKO_STR. DATA: WA_CVLC23_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_CVLC23_STR-MANDT sy-vline
WA_CVLC23_STR-ROLE sy-vline
WA_CVLC23_STR-WERKS sy-vline
WA_CVLC23_STR-VKORG sy-vline
WA_CVLC23_STR-VTWEG sy-vline
WA_CVLC23_STR-SPART sy-vline
WA_CVLC23_STR-AUART sy-vline
WA_CVLC23_STR-KUNNR sy-vline
WA_CVLC23_STR-KUNWE sy-vline
WA_CVLC23_STR-KUNRG sy-vline
WA_CVLC23_STR-EKORG sy-vline
WA_CVLC23_STR-EKGRP sy-vline
WA_CVLC23_STR-BSART sy-vline
WA_CVLC23_STR-VHSAR sy-vline
WA_CVLC23_STR-VHORD sy-vline
WA_CVLC23_STR-KALSM sy-vline
WA_CVLC23_STR-CURRENCY sy-vline INTO ld_text SEPARATED BY SPACE. *Add any further fields from structure WA_EKKO_STR you want to CONCATENATE... ENDLOOP. ENDFORM.
