bundle core_functions extension (#437)

Author: tk04

crates/libduckdb-sys/build.rs

@@ -125,6 +125,8 @@ mod build_bundled {
 
         let mut cfg = cc::Build::new();
 
+        add_extension(&mut cfg, &manifest, "core_functions", &mut cpp_files, &mut include_dirs);
+
         #[cfg(feature = "parquet")]
         add_extension(&mut cfg, &manifest, "parquet", &mut cpp_files, &mut include_dirs);
 

crates/libduckdb-sys/duckdb.tar.gz

@@ -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"]
+EXTENSIONS = ["core_functions", "parquet", "json"]
 
 # Clear the duckdb directory
 try: