Compilation fixes

sandbox/qe/Cargo.toml

@@ -2,7 +2,8 @@
 name = "brad_qe"
 version = "0.1.0"
 edition = "2021"
-build = "build.rs"
+# NOTE: This currently does not work. (C++ standard library linking error)
+# build = "build.rs"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
@@ -24,5 +25,11 @@ cc = "1.0.96"
 [[bin]]
 name = "bench_q3"
 path = "src/bin/bench_q3.rs"
-name = "test_radixspline"
-path = "src/bin/test_radixspline.rs"
+
+[[bin]]
+name = "brad_qe_repl"
+path = "src/bin/repl.rs"
+
+# [[bin]]
+# name = "test_radixspline"
+# path = "src/bin/test_radixspline.rs"

sandbox/qe/RadixSplineLib/radixspline.cpp

@@ -1,4 +1,4 @@
-#include "radixspline.hpp"
+#include "radixspline.h"
 
 void* build(const uint64_t* ks, uint64_t size) {
     RSData* rs = new RSData;

sandbox/qe/build.rs → sandbox/qe/build_bindings.rs

@@ -1,6 +1,8 @@
 use std::env;
 use std::path::PathBuf;
 
+// NOTE: This file should be named `build.rs` once it is working.
+
 fn main() {
     // This is the directory where the `c` library is located.
     let libdir_path = PathBuf::from("RadixSplineLib")
@@ -56,7 +58,7 @@ fn main() {
     // automatically know it must look for a `libradixspline.a` file.
     println!("cargo:rustc-link-lib=radixspline");
     println!("cargo:rustc-link-lib=stdc++");
-    
+
     // The bindgen::Builder is the main entry point
     // to bindgen, and lets you build up options for
     // the resulting bindings.

sandbox/qe/src/lib.rs

@@ -23,7 +23,8 @@ pub mod ops;
 /// Utilities for rewriting DataFusion `ExecutionPlan`s.
 pub mod rewrite;
 
-pub mod radixspline;
+// RadixSpline bindings. Currently not working.
+// pub mod radixspline;
 
 /// Represents an "open" IOHTAP database. Eventually, the DB should run as a
 /// daemon process. For now it is just an embedded DB (similar to SQLite).

sandbox/qe/src/radixspline.rs

@@ -25,7 +25,7 @@ impl RadixSpline {
     pub fn build(record_batch: &RecordBatch, column_index: usize) -> RadixSpline {
         let column = record_batch.column(column_index);
         let u64_array = column.as_any().downcast_ref::<UInt64Array>().unwrap();
-        
+
         let ptr = u64_array.values().as_ptr();
         let size = column.len() as u64;
         unsafe {