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CreateFunctionStatement

Struct CreateFunctionStatement 

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pub struct CreateFunctionStatement {
    pub name: String,
    pub or_replace: bool,
    pub args: Vec<FunctionArg>,
    pub returns: FunctionReturn,
    pub language: String,
    pub body: FunctionBody,
}
Expand description

v7.12.4 — CREATE [OR REPLACE] FUNCTION. v7.12.4 ships RETURNS TRIGGER LANGUAGE plpgsql as the primary use case (the row-level trigger body the CREATE TRIGGER below references). Non-trigger user-defined functions parse but error at execution time with a clear unsupported message; that surface lands in v7.12.5+.

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§name: String§or_replace: bool

OR REPLACE was present; an existing function with the same name is overwritten instead of erroring.

§args: Vec<FunctionArg>

(arg1 type1, ...) — v7.12.4 only accepts the empty arg list () (sufficient for trigger functions). Other shapes parse and store the args but the executor refuses to call them.

§returns: FunctionReturn

RETURNS <type>trigger is the supported shape for v7.12.4; arbitrary return types parse to FunctionReturn::Other.

§language: String

LANGUAGE <lang> clause. PG accepts the clause on either side of AS $$...$$; the parser canonicalises to one slot. plpgsql and sql are the two interesting values.

§body: FunctionBody

AS $$ ... $$ body. v7.12.4 parses PL/pgSQL bodies into a structured AST; non-trigger / non-plpgsql bodies stay as the raw source text so the v7.12.5+ executor can pick them up without a parser rev.

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impl Clone for CreateFunctionStatement

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fn clone(&self) -> CreateFunctionStatement

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more
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impl Debug for CreateFunctionStatement

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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 Display for CreateFunctionStatement

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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 PartialEq for CreateFunctionStatement

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

Tests for self and other values to be equal, and is used by ==.
1.0.0 (const: unstable) · 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.
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impl StructuralPartialEq for CreateFunctionStatement

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T> ToString for T
where T: Display + ?Sized,

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fn to_string(&self) -> String

Converts the given value to a String. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.