Struct mz_sql :: plan :: statement :: StatementDesc Copy item path

impl StatementDesc

pub fn new(relation_desc: Option<RelationDesc>) -> Self

pub fn arity(&self) -> usize

Reports the number of columns in the statement’s result set, or zero if the statement does not return rows.

fn with_params(self, param_types: Vec<ScalarType>) -> Self

fn with_is_copy(self) -> Self

Trait Implementations§

impl Clone for StatementDesc

fn clone(&self) -> StatementDesc

Returns a copy of the value. Read more

1.0.0 · source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

impl Debug for StatementDesc

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

Formats the value using the given formatter. Read more

impl PartialEq for StatementDesc

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

Tests for self and other values to be equal, and is used by ==.

1.0.0 · source§

fn ne(&self, other: &Rhs) -> bool

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

impl Eq for StatementDesc

impl StructuralPartialEq for StatementDesc

Auto Trait Implementations§

impl UnwindSafe for StatementDesc

Blanket Implementations§

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default unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)

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