Enum PrepareSource 

pub enum PrepareSource {
    Text {
        source: Literal,
        meta: Meta,
    },
    Variable {
        name: Ident,
        meta: Meta,
    },
}

The source of a MySQL PrepareFromStatement — sql_yacc.yy prepare_src, either an inline string literal or a user-variable reference. A spanned enum node: each arm round-trips its own spelling, so the two are recorded as written rather than folded to a single string.

Variants

Text

PREPARE name FROM '<text>' — the opaque statement source string (TEXT_STRING_sys), kept verbatim and never re-parsed here (like DoArg::Body). Its spelling — quote style and escapes — round-trips from the Literal.

Fields

source: Literal

The statement-source Literal (a LiteralKind::String).

meta: Meta

Source location and node identity.

Variable

PREPARE name FROM @<var> — the source read from a user variable at prepare time ('@' ident_or_text, MySQL’s prepared_stmt_code_is_varref). The variable’s name is held without the @ sigil, its quote style preserved for round-trip; @@-prefixed system variables are rejected by the parser (ER_PARSE_ERROR on mysql:8).

Fields

name: Ident

The user-variable name (without the @ sigil).

meta: Meta

Source location and node identity.

Trait Implementations

impl Clone for PrepareSource

fn clone(&self) -> PrepareSource

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for PrepareSource

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for PrepareSource

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Eq for PrepareSource

impl Hash for PrepareSource

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for PrepareSource

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

Equality operator ==.

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

Inequality operator !=.

impl Render for PrepareSource

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

Return the render for this value.

fn operand_binding_power(&self) -> Option<BindingPower>

The binding power this node contributes when it appears as an operand, or None (the default) for a self-delimiting node — an atom, call, or constructor — that never needs parentheses.

impl Serialize for PrepareSource

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

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl Spanned for PrepareSource

fn span(&self) -> Span

Return the span for this value.

impl StructuralPartialEq for PrepareSource