To Doris

**Table 1** Parameter description
Type	Parameter	Description	Example Value
Basic parameters	Schema/Table Space	Name of the database to which data will be written. The schema can be automatically created. Click the icon next to the text box to select a schema or tablespace.	schema
	Table Name	Name of the table to which data will be written. Click the icon next to the text box. The dialog box for selecting the table is displayed. This parameter can be configured as a macro variable of date and time and a path name can contain multiple macro variables. When the macro variable of date and time works with a scheduled job, the incremental data can be synchronized periodically. For details, see Incremental Synchronization Using the Macro Variables of Date and Time. NOTE: If you have configured a macro variable of date and time and schedule a CDM job through DataArts Studio DataArts Factory, the system replaces the macro variable of date and time with (Planned start time of the data development job – Offset) rather than (Actual start time of the CDM job – Offset).	table
	Clear Data Before Import	Whether to clear the data in the destination table before data import. The options are as follows: Do not clear: The data in the destination table is not cleared before data import. The imported data is just added to the table. Clear all data: All data is cleared from the destination table before data import. Clear part of data: Part of the data in the destination table is cleared before data import. If you select Clear part of data, you must configure WHERE Clause to specify which part will be deleted.	Clear part of data
	Where Clause	This parameter is displayed when Clear Data Before Import is set to Clear part of data. It specifies the data to be deleted from the destination table before data import.	age > 18 and age <= 60
Advanced attributes	Pre-import SQL Statement	The SQL statement that is first executed before a task is executed. Currently, only one SQL statement can be executed in wizard mode.	create temp table
	Post-import SQL Statement	The SQL statement that is executed after a task is executed. Currently, only one SQL statement can be executed.	merge into
	Number of Loader Threads	Number of threads started in each loader. A larger number allows more concurrent write operations. Conflict handling policies do not support "replace into" or "on duplicate key update".	1
	Stream Load Configuration Parameters	Stream load configuration parameters	max_filter_ratio=0