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ExtensionReadRel

substrait_explain::parser::relations

Struct ExtensionReadRel 

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pub(crate) struct ExtensionReadRel(ReadRel);
Expand description

Parsed Read:Extension[columns] relation. Needs a newtype because the proto type is ReadRel (same as NamedTable and VirtualTable), but the read detail is supplied by a required + Ext: addendum.

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§0: ReadRel

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impl ExtensionReadRel

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pub(crate) fn parse_pair_with_detail( extensions: &SimpleExtensions, pair: Pair<'_, Rule>, input_children: Vec<Box<Rel>>, input_field_count: usize, detail: Any, advanced_extension: Option<AdvancedExtension>, ) -> Result<(Rel, usize), MessageParseError>

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fn into_rel(self) -> Rel

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