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Allow UDFs to declare whether they are deterministic #39

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shardulm94 opened this issue Jan 24, 2020 · 0 comments
Open

Allow UDFs to declare whether they are deterministic #39

shardulm94 opened this issue Jan 24, 2020 · 0 comments

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@shardulm94
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Currently we consider all UDFs as non-determinstic. This prevents engine from being able to push down predicates which can be resolved at query compile time. Presto/Hive/Spark allows UDFs to declare if they are deterministic. We should also provide something similar in our API.
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