The following section describes the functions of the Table CDC component.
The component can be used to extract delta contents from SAP tables. It creates a log table in SAP that record insert, update, and delete activities that apply to a selected SAP table.
Warning! Missing Authorization To use the Table CDC component, access to the designated authority objects (RFC) in SAP must be available. For more information, see the knowledge base article on SAP User Rights: Table CDC.
Tip: To get information on the basics of Xtract Universal, refer to Getting Started.
About Table CDC #
Change Data Capture (CDC) is a method to keep track of data changes such as insert, update and delete in SAP tables. The Table CDC component creates a log table in SAP that records any changes made to a selected table. The content of the log table is cleared after every successful run of the extraction. Data that was not extracted is not cleared from the log table.
Note: Clusters, pool tables and views are not supported by the Table CDC component.
- SAP version 7.40 SP05 or higher.
- The installation of the custom function modules Z_THEO_DELETE_LOG_ENTRIES and Z_THEO_READ_TABLE version 2.10 or higher is mandatory.
The SAP transport requests for the installation are provided in the installation directory
C:\ProgramFiles\[XtractProduct]\ABAP\, see Custom function module for TableCDC.
Required function modules and their package hierarchy:
Function Module Package Hierarchy DMC_DDIF_TABL_GET_WRAPPER ECC: CNVM → DMIS_BASIS_MWB → DMIS_BASIS → DMIS
S4: CNV_DMC_REMOTE → DMIS_BASIS_MWB → DMIS_BASIS → DMIS
IUUC_CREATE_TABLE CNV_INC_PROCESSING_REMOTE → DMIS_BASIS_INC_FW → DMIS_BASIS → DMIS IUUC_DD_TABL_DEL_WRAPPER IUUC_DD_TABL_DEL_WRAPPER → CNV_INC_PROCESSING_REMOTE → DMIS_BASIS_INC_FW → DMIS_BASIS → DMIS IUUC_COUNT_ENTRIES_LOGGING_TBL CNV_INC_PROCESSING_REMOTE → DMIS_BASIS_INC_FW → DMIS_BASIS → DMIS IUUC_CRE_ACT_ADBC_TRIGGER IUUC_CRE_ACT_ADBC_TRIGGER : CNV_IUUC_REMOTE → DMIS_BASIS_INC_FW → DMIS_BASIS → DMIS IUUC_DELETE_ADBC_TRIGGER CNV_IUUC_REMOTE → DMIS_BASIS_INC_FW → DMIS_BASIS → DMIS Z_THEO_READ_TABLE Z_THEO_READ_TABLE Z_THEO_DELETE_LOG_ENTRIES Z_THEO_CDC
How to use the Table CDC component #
- Create a new extraction by clicking [New] in the main window of the Designer. The window “Create Extraction” opens.
- Select an SAP connection from the drop-down menu in Source and enter a unique name for your extraction.
- Select the extraction type / component and click [OK] to confirm. The main window of the component opens automatically.
The extraction is now listed in the main window of the Designer. Double click the extraction to open the main window of the component. The majority of the functions of the component can be accessed using the main window.
More information on working with the TableCDC component is provided in the following sections.
Defining a Table CDC Extraction