Add jemalloc feature to force jemalloc as the memory allocator

Cargo.toml

@@ -26,13 +26,14 @@ bundled = ["libduckdb-sys/bundled"]
 httpfs = ["libduckdb-sys/httpfs", "bundled"]
 json = ["libduckdb-sys/json", "bundled"]
 parquet = ["libduckdb-sys/parquet", "bundled"]
+jemalloc = ["libduckdb-sys/jemalloc", "bundled"]
 vtab = []
 vtab-loadable = ["vtab", "duckdb-loadable-macros"]
 vtab-excel = ["vtab", "calamine"]
 vtab-arrow = ["vtab", "num"]
 appender-arrow = ["vtab-arrow"]
 vtab-full = ["vtab-excel", "vtab-arrow", "appender-arrow"]
-extensions-full = ["httpfs", "json", "parquet", "vtab-full"]
+extensions-full = ["httpfs", "json", "parquet", "jemalloc", "vtab-full"]
 buildtime_bindgen = ["libduckdb-sys/buildtime_bindgen"]
 modern-full = ["chrono", "serde_json", "url", "r2d2", "uuid", "polars"]
 polars = ["dep:polars"]

libduckdb-sys/Cargo.toml

@@ -23,7 +23,8 @@ buildtime_bindgen = ["bindgen", "pkg-config", "vcpkg"]
 httpfs = ["bundled"]
 json = ["bundled"]
 parquet = ["bundled"]
-extensions-full = ["httpfs", "json", "parquet"]
+jemalloc = ["bundled"]
+extensions-full = ["httpfs", "json", "parquet", "jemalloc"]
 
 [dependencies]
 

libduckdb-sys/build.rs

@@ -134,6 +134,9 @@ mod build_bundled {
         #[cfg(feature = "json")]
         add_extension(&mut cfg, &manifest, "json", &mut cpp_files, &mut include_dirs);
 
+        #[cfg(feature = "jemalloc")]
+        add_extension(&mut cfg, &manifest, "jemalloc", &mut cpp_files, &mut include_dirs);
+
         // duckdb/tools/pythonpkg/setup.py
         cfg.define("DUCKDB_EXTENSION_AUTOINSTALL_DEFAULT", "1");
         cfg.define("DUCKDB_EXTENSION_AUTOLOAD_DEFAULT", "1");

libduckdb-sys/update_sources.py

@@ -16,7 +16,7 @@
 
 # List of extensions' sources to grab. Technically, these sources will be compiled
 # but not included in the final build unless they're explicitly enabled.
-EXTENSIONS = ["parquet", "json", "httpfs"]
+EXTENSIONS = ["parquet", "json", "httpfs", "jemalloc"]
 
 # Clear the duckdb directory
 try: