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[Feature] Support UDF through RPC #7520
Description
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Description
Support UDF is realized through GRPC protocol. This brings several benefits:
The udf implementation language is not limited to c++, users can use any familiar language to implement udf
UDF is decoupled from Doris, udf will not be doris coredump together, udf computing resources are separated from doris, and doris services are not affected
But RPC's UDF has a fixed overhead, so its performance is much slower than C++ UDF, especially when the amount of data is large.
Create function like
CREATE FUNCTION rpc_add(INT, INT) RETURNS INT PROPERTIES (
"SYMBOL"="add_int",
"OBJECT_FILE"="127.0.0.1:9999",
"MD5"=""
function service need to implements check_fn and fn_call methods
Use case
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Related issues
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Are you willing to submit PR?
- Yes I am willing to submit a PR!
Code of Conduct
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