proof_of_sql::sql::parse

Struct QueryExpr

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pub struct QueryExpr { /* private fields */ }
Expand description

A QueryExpr represents a Proof of SQL query that can be executed against a database. It consists of a DynProofPlan for provable components and a vector of OwnedTablePostprocessing for the rest.

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impl QueryExpr

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pub fn new( proof_expr: DynProofPlan, postprocessing: Vec<OwnedTablePostprocessing>, ) -> Self

Creates a new QueryExpr with the given DynProofPlan and OwnedTablePostprocessing.

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pub fn try_new( ast: SelectStatement, default_schema: Ident, schema_accessor: &dyn SchemaAccessor, ) -> Result<Self, ConversionError>

Parse an intermediate AST SelectStatement into a QueryExpr.

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pub fn proof_expr(&self) -> &DynProofPlan

Immutable access to this query’s provable filter expression.

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pub fn postprocessing(&self) -> &[OwnedTablePostprocessing]

Immutable access to this query’s post-proof result transform expression.

Trait Implementations§

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impl Debug for QueryExpr

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl<'de> Deserialize<'de> for QueryExpr

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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl PartialEq for QueryExpr

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fn eq(&self, other: &QueryExpr) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Serialize for QueryExpr

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fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more
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impl StructuralPartialEq for QueryExpr

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Gets the TypeId of self. Read more
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