ABAP Select data from SAP table VLCBAPICU 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 VLCBAPICU 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 VLCBAPICU. 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 VLCBAPICU 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_VLCBAPICU TYPE STANDARD TABLE OF VLCBAPICU, WA_VLCBAPICU TYPE VLCBAPICU, 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: <VLCBAPICU> TYPE VLCBAPICU. *Process all fields in table header/work area as string values PERFORM process_as_string_field_values CHANGING wa_VLCBAPICU. SELECT * *restrict ABAP select to first 10 rows UP TO 10 ROWS FROM VLCBAPICU INTO TABLE IT_VLCBAPICU. *Select data and declare internal table using in-line method @DATA *SELECT * * FROM VLCBAPICU * INTO TABLE @DATA(IT_VLCBAPICU2). *--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_VLCBAPICU INDEX 1 INTO DATA(WA_VLCBAPICU2). *Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL LOOP AT IT_VLCBAPICU ASSIGNING <VLCBAPICU>.*To update a field value using a field symbol simply change the value via the field symbol pointer
<VLCBAPICU>-VGUID = 1.
<VLCBAPICU>-VBELN = 1.
<VLCBAPICU>-POSNR = 1.
<VLCBAPICU>-VCUOBJ = 1.
<VLCBAPICU>-VCUCFG = 1.
ENDLOOP. LOOP AT IT_VLCBAPICU INTO WA_VLCBAPICU. *Write horizonal line to screen report. WRITE:/ sy-uline. *Write selected data to screen/report before conversion. WRITE:/ sy-vline, WA_VLCBAPICU-POSEX, sy-vline,
WA_VLCBAPICU-CONFIG_ID, sy-vline,
WA_VLCBAPICU-ROOT_ID, sy-vline,
WA_VLCBAPICU-SCE, sy-vline,
WA_VLCBAPICU-KBNAME, sy-vline,
WA_VLCBAPICU-KBVERSION, sy-vline.
ENDLOOP. *Add any further fields from structure WA_VLCBAPICU 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_VLCBAPICU 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_VLCBAPICU INTO WA_VLCBAPICU. *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 VBELN CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_VLCBAPICU-VBELN IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_VLCBAPICU-VBELN.
WRITE:/ 'New Value:', ld_input.
*Conversion exit ISOLA, internal->external for field KBLANGUAGE CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT' EXPORTING input = WA_VLCBAPICU-KBLANGUAGE IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_VLCBAPICU-KBLANGUAGE.
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_VLCBAPICU_STR,
VGUID TYPE STRING,
VBELN TYPE STRING,
POSNR TYPE STRING,
VCUOBJ TYPE STRING,
VCUCFG TYPE STRING,
POSEX TYPE STRING,
CONFIG_ID TYPE STRING,
ROOT_ID TYPE STRING,
SCE TYPE STRING,
KBNAME TYPE STRING,
KBVERSION TYPE STRING,
COMPLETE TYPE STRING,
CONSISTENT TYPE STRING,
CFGINFO TYPE STRING,
KBPROFILE TYPE STRING,
KBLANGUAGE TYPE STRING,
CBASE_ID TYPE STRING,
CBASE_ID_TYPE TYPE STRING,
VCUINS TYPE STRING,
VCUPRT TYPE STRING,
VCUVAL TYPE STRING,
VCUVK TYPE STRING,END OF T_EKKO_STR. DATA: WA_VLCBAPICU_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_VLCBAPICU_STR-VGUID sy-vline
WA_VLCBAPICU_STR-VBELN sy-vline
WA_VLCBAPICU_STR-POSNR sy-vline
WA_VLCBAPICU_STR-VCUOBJ sy-vline
WA_VLCBAPICU_STR-VCUCFG sy-vline
WA_VLCBAPICU_STR-POSEX sy-vline
WA_VLCBAPICU_STR-CONFIG_ID sy-vline
WA_VLCBAPICU_STR-ROOT_ID sy-vline
WA_VLCBAPICU_STR-SCE sy-vline
WA_VLCBAPICU_STR-KBNAME sy-vline
WA_VLCBAPICU_STR-KBVERSION sy-vline
WA_VLCBAPICU_STR-COMPLETE sy-vline
WA_VLCBAPICU_STR-CONSISTENT sy-vline
WA_VLCBAPICU_STR-CFGINFO sy-vline
WA_VLCBAPICU_STR-KBPROFILE sy-vline
WA_VLCBAPICU_STR-KBLANGUAGE sy-vline
WA_VLCBAPICU_STR-CBASE_ID sy-vline
WA_VLCBAPICU_STR-CBASE_ID_TYPE sy-vline
WA_VLCBAPICU_STR-VCUINS sy-vline
WA_VLCBAPICU_STR-VCUPRT sy-vline
WA_VLCBAPICU_STR-VCUVAL sy-vline
WA_VLCBAPICU_STR-VCUVK sy-vline INTO ld_text SEPARATED BY SPACE. *Add any further fields from structure WA_EKKO_STR you want to CONCATENATE... ENDLOOP. ENDFORM.