Method output_arity

src/expr/src/relation/func.rs:3968–3996

(&self)

    }

    pub fn output_arity(&self) -> usize {
        match self {
            TableFunc::AclExplode => 4,
            TableFunc::MzAclExplode => 4,
            TableFunc::JsonbEach => 2,
            TableFunc::JsonbEachStringify => 2,
            TableFunc::JsonbObjectKeys => 1,
            TableFunc::JsonbArrayElements => 1,
            TableFunc::JsonbArrayElementsStringify => 1,
            TableFunc::RegexpExtract(a) => a.capture_groups_len(),
            TableFunc::CsvExtract(n_cols) => *n_cols,
            TableFunc::GenerateSeriesInt32 => 1,
            TableFunc::GenerateSeriesInt64 => 1,
            TableFunc::GenerateSeriesUnoptimized => 1,
            TableFunc::GenerateSeriesTimestamp => 1,
            TableFunc::GenerateSeriesTimestampTz => 1,
            TableFunc::GenerateSubscriptsArray => 1,
            TableFunc::GuardSubquerySize { .. } => 1,
            TableFunc::RepeatRow => 0,
            TableFunc::RepeatRowNonNegative => 0,
            TableFunc::UnnestArray { .. } => 1,
            TableFunc::UnnestList { .. } => 1,
            TableFunc::UnnestMap { .. } => 2,
            TableFunc::Wrap { width, .. } => *width,
            TableFunc::TabletizedScalar { relation, .. } => relation.column_types.len(),
            TableFunc::RegexpMatches => 1,
            TableFunc::WithOrdinality(WithOrdinality { inner }) => inner.output_arity() + 1,
        }
    }

    pub fn empty_on_null_input(&self) -> bool {
        match self {