pub struct FunctionRegistry { /* private fields */ }Expand description
Registry of all known functions.
Populated once at startup; immutable during query processing.
Functions are indexed by FunctionId (O(1) lookup) and by name
(case-insensitive, O(1) via HashMap).
Implementations§
Source§impl FunctionRegistry
impl FunctionRegistry
pub fn new() -> Self
Sourcepub fn with_builtins() -> Self
pub fn with_builtins() -> Self
Create a registry pre-populated with built-in functions.
Sourcepub fn register(
&mut self,
name: &str,
kind: FunctionKind,
param_types: Vec<LogicalType>,
variadic: bool,
return_type: LogicalType,
) -> FunctionId
pub fn register( &mut self, name: &str, kind: FunctionKind, param_types: Vec<LogicalType>, variadic: bool, return_type: LogicalType, ) -> FunctionId
Register a function signature. Returns the assigned FunctionId.
Sourcepub fn resolve(
&self,
name: &str,
arg_types: &[LogicalType],
) -> KyuResult<&FunctionSignature>
pub fn resolve( &self, name: &str, arg_types: &[LogicalType], ) -> KyuResult<&FunctionSignature>
Resolve a function call: name + actual arg types → best matching signature.
Considers implicit coercions. Returns the matching signature.
Sourcepub fn get(&self, id: FunctionId) -> Option<&FunctionSignature>
pub fn get(&self, id: FunctionId) -> Option<&FunctionSignature>
Look up by FunctionId (O(1)).
Trait Implementations§
Auto Trait Implementations§
impl Freeze for FunctionRegistry
impl RefUnwindSafe for FunctionRegistry
impl Send for FunctionRegistry
impl Sync for FunctionRegistry
impl Unpin for FunctionRegistry
impl UnsafeUnpin for FunctionRegistry
impl UnwindSafe for FunctionRegistry
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