#[repr(C)]
pub struct ExprState {Show 17 fields
pub tag: NodeTag,
pub flags: uint8,
pub resnull: bool,
pub resvalue: Datum,
pub resultslot: *mut TupleTableSlot,
pub steps: *mut ExprEvalStep,
pub evalfunc: ExprStateEvalFunc,
pub expr: *mut Expr,
pub evalfunc_private: *mut c_void,
pub steps_len: c_int,
pub steps_alloc: c_int,
pub parent: *mut PlanState,
pub ext_params: ParamListInfo,
pub innermost_caseval: *mut Datum,
pub innermost_casenull: *mut bool,
pub innermost_domainval: *mut Datum,
pub innermost_domainnull: *mut bool,
}
§innermost_domainval: *mut Datum
§innermost_domainnull: *mut bool
Performs copy-assignment from
source
.
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Formats the value using the given formatter.
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Returns the “default value” for a type.
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Formats the value using the given formatter.
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Immutably borrows from an owned value.
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Mutably borrows from an owned value.
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Returns the argument unchanged.
Calls U::from(self)
.
That is, this conversion is whatever the implementation of
From<T> for U
chooses to do.
The resulting type after obtaining ownership.
Creates owned data from borrowed data, usually by cloning.
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Uses borrowed data to replace owned data, usually by cloning.
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Converts the given value to a
String
.
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The type returned in the event of a conversion error.
Performs the conversion.
The type returned in the event of a conversion error.
Performs the conversion.