[GitHub] [incubator-linkis] Ritakang0451 commented on issue #1684: How to initialize system UDF / method functions

[GitBox <gi...@apache.org>]

Ritakang0451 commented on issue #1684:
URL: https://github.com/apache/incubator-linkis/issues/1684#issuecomment-1066116312


   Solution:
   When the UDF module is viewed for the first time, the system will automatically initialize the directory of system functions in linkis_ udf_ In the tree table, find that name is "system function", category is the record of UDF, and get the ID. (in case of method function, category is function)
   In linkis_ In the UDF table, insert a record, such as insert into
   linkis_udf
   
   (id，create_user，udf_name，udf_type，path，register_format，use_format，description，is_expire，is_shared，tree_id，create_time，update_time) VALUES (0，'sys'，'abs'，0，''，''，'Column abs(Column e)'，'Computes the absolute value'，false，false，29，now()，now()); 
   Where, tree_ The ID must be the ID obtained in the previous step. udf_ Type is a number, jar package UDF is 0, Python is 1, Scala UDF is 2, python method function is 3, Scala method function is 4, path is jar package or function script path, register_ Format is the function registration statement (to be executed during engine initialization)
   


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