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• user/passwd: To verify user identity and import permissions.
• label: Identifier of the import task.
• column_separator: Used to specify the column separator in the import file, default is \t.
• line_delimiter: Used to specify the newline character in the import file, default is \n.
• where: Filter condition specified for the import task.
• columns: Names of the column fields of the data to be imported.
• enclose:Enclosure character. When a CSV data field contains row separators or column separators, a single-byte character can be specified as an enclosure character to prevent accidental truncation. For example, if the column separator is ",", and the enclosure character is "'", then in the data "a,'b,c'", "b,c" will be interpreted as a single field.
• escape:Escape character. Used to escape characters in a CSV field that are the same as the enclosure character. For example, if the data is "a,'b,'c'" and the enclosure character is "'", and it is desired that "b,'c" be interpreted as a single field, a single-byte escape character needs to be specified, such as "". Then the data should be modified to "a,'b,'c'".
  

• table_type:The types of tables that can be created support two types: Append tables and Primary Key tables, of which, the Primary Key table is the default value.

• format: Specifies the format of the data to be imported, supports csv and json, default is csv.

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