chore: replace lazy_static with LazyLock (#3679)

Cargo.lock

@@ -5432,7 +5432,6 @@ dependencies = [
  "lance-namespace-impls",
  "lance-table",
  "lance-testing",
- "lazy_static",
  "log",
  "metrics",
  "metrics-util",

Cargo.toml

@@ -64,7 +64,6 @@ snafu = "0.8"
 url = "2"
 num-traits = "0.2"
 regex = "1.10"
-lazy_static = "1"
 semver = "1.0.25"
 chrono = "0.4"
 

rust/lancedb/Cargo.toml

@@ -34,7 +34,6 @@ datafusion.workspace = true
 object_store = { workspace = true }
 snafu = { workspace = true }
 half = { workspace = true }
-lazy_static.workspace = true
 lance = { workspace = true }
 lance-core = { workspace = true }
 lance-datafusion.workspace = true

rust/lancedb/src/expr.rs

@@ -61,29 +61,29 @@ pub fn is_in(expr: Expr, list: Vec<Expr>) -> Expr {
     expr.in_list(list, false)
 }
 
-lazy_static::lazy_static! {
-    static ref FUNC_REGISTRY: std::sync::RwLock<std::collections::HashMap<String, Arc<ScalarUDF>>> = {
+static FUNC_REGISTRY: std::sync::LazyLock<std::collections::HashMap<String, Arc<ScalarUDF>>> =
+    std::sync::LazyLock::new(|| {
         let mut m = std::collections::HashMap::new();
         m.insert("lower".to_string(), datafusion_functions::string::lower());
         m.insert("upper".to_string(), datafusion_functions::string::upper());
-        m.insert("contains".to_string(), datafusion_functions::string::contains());
+        m.insert(
+            "contains".to_string(),
+            datafusion_functions::string::contains(),
+        );
         m.insert("btrim".to_string(), datafusion_functions::string::btrim());
         m.insert("ltrim".to_string(), datafusion_functions::string::ltrim());
         m.insert("rtrim".to_string(), datafusion_functions::string::rtrim());
         m.insert("concat".to_string(), datafusion_functions::string::concat());
-        m.insert("octet_length".to_string(), datafusion_functions::string::octet_length());
-        std::sync::RwLock::new(m)
-    };
-}
+        m.insert(
+            "octet_length".to_string(),
+            datafusion_functions::string::octet_length(),
+        );
+        m
+    });
 
 pub fn func(name: impl AsRef<str>, args: Vec<Expr>) -> crate::Result<Expr> {
     let name = name.as_ref();
-    let registry = FUNC_REGISTRY
-        .read()
-        .map_err(|e| crate::Error::InvalidInput {
-            message: format!("lock poisoned: {}", e),
-        })?;
-    let udf = registry
+    let udf = FUNC_REGISTRY
         .get(name)
         .ok_or_else(|| crate::Error::InvalidInput {
             message: format!("unknown function: {}", name),

rust/lancedb/src/utils/mod.rs

@@ -14,17 +14,15 @@ use lance::arrow::json::JsonDataType;
 use lance::dataset::{ReadParams, WriteParams};
 use lance::index::vector::utils::infer_vector_dim;
 use lance::io::{ObjectStoreParams, WrappingObjectStore};
-use lazy_static::lazy_static;
 use std::pin::Pin;
 
 use crate::error::{Error, Result};
 use datafusion_physical_plan::SendableRecordBatchStream;
 
-lazy_static! {
-    static ref TABLE_NAME_REGEX: regex::Regex = regex::Regex::new(r"^[a-zA-Z0-9_\-\.]+$").unwrap();
-    static ref NAMESPACE_NAME_REGEX: regex::Regex =
-        regex::Regex::new(r"^[a-zA-Z0-9_\-\.]+$").unwrap();
-}
+static TABLE_NAME_REGEX: std::sync::LazyLock<regex::Regex> =
+    std::sync::LazyLock::new(|| regex::Regex::new(r"^[a-zA-Z0-9_\-\.]+$").unwrap());
+static NAMESPACE_NAME_REGEX: std::sync::LazyLock<regex::Regex> =
+    std::sync::LazyLock::new(|| regex::Regex::new(r"^[a-zA-Z0-9_\-\.]+$").unwrap());
 
 pub trait PatchStoreParam {
     fn patch_with_store_wrapper(