fix doc

Signed-off-by: jayzhan211 <[email protected]>
apache · Nov 4, 2024 · acd2ceb · acd2ceb
1 parent 1aba4cb
commit acd2ceb
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/datafusion/expr-common/src/signature.rs b/datafusion/expr-common/src/signature.rs
@@ -125,13 +125,17 @@ pub enum TypeSignature {
     ArraySignature(ArrayFunctionSignature),
     /// Fixed number of arguments of numeric types.
     /// See [`NativeType::is_numeric`] to know which type is considered numeric
+    ///
+    /// [`NativeType::is_numeric`]: datafusion_common
     Numeric(usize),
     /// Fixed number of arguments of numeric types.
     /// See [`NativeType::is_numeric`] to know which type is considered numeric
     /// This signature accepts numeric string
     /// Example of functions In Postgres that support numeric string
     /// 1. Mathematical Functions, like `abs`
     /// 2. `to_timestamp`
+    ///
+    /// [`NativeType::is_numeric`]: datafusion_common
     NumericAndNumericString(usize),
     /// Fixed number of arguments of all the same string types.
     /// The precedence of type from high to low is Utf8View, LargeUtf8 and Utf8.