ABAP Select data from SAP table CVIHEADER 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 CVIHEADER 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 CVIHEADER. 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 CVIHEADER 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_CVIHEADER TYPE STANDARD TABLE OF CVIHEADER, WA_CVIHEADER TYPE CVIHEADER, 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: <CVIHEADER> TYPE CVIHEADER. *Process all fields in table header/work area as string values PERFORM process_as_string_field_values CHANGING wa_CVIHEADER. SELECT * *restrict ABAP select to first 10 rows UP TO 10 ROWS FROM CVIHEADER INTO TABLE IT_CVIHEADER. *Select data and declare internal table using in-line method @DATA *SELECT * * FROM CVIHEADER * INTO TABLE @DATA(IT_CVIHEADER2). *--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_CVIHEADER INDEX 1 INTO DATA(WA_CVIHEADER2). *Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL LOOP AT IT_CVIHEADER ASSIGNING <CVIHEADER>.*To update a field value using a field symbol simply change the value via the field symbol pointer
<CVIHEADER>-DDP_ID = 1.
<CVIHEADER>-REC_NAME = 1.
<CVIHEADER>-COM_TYPE = 1.
<CVIHEADER>-SEND_TIME = 1.
<CVIHEADER>-SEND_DATE = 1.
ENDLOOP. LOOP AT IT_CVIHEADER INTO WA_CVIHEADER. *Write horizonal line to screen report. WRITE:/ sy-uline. *Write selected data to screen/report before conversion. WRITE:/ sy-vline, WA_CVIHEADER-RECTP, sy-vline,
WA_CVIHEADER-RECID, sy-vline,
WA_CVIHEADER-CR_TIME, sy-vline,
WA_CVIHEADER-CR_DATE, sy-vline,
WA_CVIHEADER-DISP_OFFTP, sy-vline,
WA_CVIHEADER-DISP_OFF, sy-vline.
ENDLOOP. *Add any further fields from structure WA_CVIHEADER 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_CVIHEADER 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_CVIHEADER INTO WA_CVIHEADER. *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 SXIDN, internal->external for field REC_NAME CALL FUNCTION 'CONVERSION_EXIT_SXIDN_OUTPUT' EXPORTING input = WA_CVIHEADER-REC_NAME IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_CVIHEADER-REC_NAME.
WRITE:/ 'New Value:', ld_input.
*Conversion exit SXIDN, internal->external for field DISP_NAME CALL FUNCTION 'CONVERSION_EXIT_SXIDN_OUTPUT' EXPORTING input = WA_CVIHEADER-DISP_NAME IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_CVIHEADER-DISP_NAME.
WRITE:/ 'New Value:', ld_input.
*Conversion exit ALPHA, internal->external for field LOGSYS CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_CVIHEADER-LOGSYS IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_CVIHEADER-LOGSYS.
WRITE:/ 'New Value:', ld_input.
*Conversion exit ALPHA, internal->external for field DOKNR CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' EXPORTING input = WA_CVIHEADER-DOKNR IMPORTING output = ld_input.
WRITE:/ 'Org Value:', WA_CVIHEADER-DOKNR.
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_CVIHEADER_STR,
DDP_ID TYPE STRING,
REC_NAME TYPE STRING,
COM_TYPE TYPE STRING,
SEND_TIME TYPE STRING,
SEND_DATE TYPE STRING,
RECTP TYPE STRING,
RECID TYPE STRING,
CR_TIME TYPE STRING,
CR_DATE TYPE STRING,
DISP_OFFTP TYPE STRING,
DISP_OFF TYPE STRING,
DISP_NAME TYPE STRING,
CACOM_TYPE TYPE STRING,
SEQNO TYPE STRING,
LOGSYS TYPE STRING,
OBJTYPE TYPE STRING,
OBJKEY TYPE STRING,
DOKAR TYPE STRING,
DOKNR TYPE STRING,
DOKVR TYPE STRING,
DOKTL TYPE STRING,
CR_UTC TYPE STRING,
SEND_UTC TYPE STRING,
RECEIPT_TIME TYPE STRING,
NAME1 TYPE STRING,
NAME2 TYPE STRING,
STREET_POST TYPE STRING,
CITY TYPE STRING,
RETURN_DATE TYPE STRING,END OF T_EKKO_STR. DATA: WA_CVIHEADER_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_CVIHEADER_STR-DDP_ID sy-vline
WA_CVIHEADER_STR-REC_NAME sy-vline
WA_CVIHEADER_STR-COM_TYPE sy-vline
WA_CVIHEADER_STR-SEND_TIME sy-vline
WA_CVIHEADER_STR-SEND_DATE sy-vline
WA_CVIHEADER_STR-RECTP sy-vline
WA_CVIHEADER_STR-RECID sy-vline
WA_CVIHEADER_STR-CR_TIME sy-vline
WA_CVIHEADER_STR-CR_DATE sy-vline
WA_CVIHEADER_STR-DISP_OFFTP sy-vline
WA_CVIHEADER_STR-DISP_OFF sy-vline
WA_CVIHEADER_STR-DISP_NAME sy-vline
WA_CVIHEADER_STR-CACOM_TYPE sy-vline
WA_CVIHEADER_STR-SEQNO sy-vline
WA_CVIHEADER_STR-LOGSYS sy-vline
WA_CVIHEADER_STR-OBJTYPE sy-vline
WA_CVIHEADER_STR-OBJKEY sy-vline
WA_CVIHEADER_STR-DOKAR sy-vline
WA_CVIHEADER_STR-DOKNR sy-vline
WA_CVIHEADER_STR-DOKVR sy-vline
WA_CVIHEADER_STR-DOKTL sy-vline
WA_CVIHEADER_STR-CR_UTC sy-vline
WA_CVIHEADER_STR-SEND_UTC sy-vline
WA_CVIHEADER_STR-RECEIPT_TIME sy-vline
WA_CVIHEADER_STR-NAME1 sy-vline
WA_CVIHEADER_STR-NAME2 sy-vline
WA_CVIHEADER_STR-STREET_POST sy-vline
WA_CVIHEADER_STR-CITY sy-vline
WA_CVIHEADER_STR-RETURN_DATE sy-vline INTO ld_text SEPARATED BY SPACE. *Add any further fields from structure WA_EKKO_STR you want to CONCATENATE... ENDLOOP. ENDFORM.