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pattern_from_protobuf

risingwave_stream::executor::match_recognize::proto

Function pattern_from_protobuf 

Source 
pub fn pattern_from_protobuf(
    pb: &MatchRecognizePatternNode,
) -> Result<Pattern, String>
Expand description

Build a Pattern from its protobuf representation, rejecting one whose compiled size would be absurd. The size check is on the whole decoded pattern, since nesting is what defeats the per-construct caps.