Fix clippy warnings + symbolize ASAN stack traces

.github/workflows/rust.yaml

@@ -128,12 +128,15 @@ jobs:
         with:
           toolchain: nightly
           components: 'rust-src'
-
+      # Install LLVM tools
+      - name: Install LLVM
+        run: |
+          sudo apt-get install -y llvm
       - name: Tests with asan
         env:
           RUSTFLAGS: -Zsanitizer=address -C debuginfo=0
           RUSTDOCFLAGS: -Zsanitizer=address
-          ASAN_OPTIONS: "detect_stack_use_after_return=1:detect_leaks=1"
+          ASAN_OPTIONS: "detect_stack_use_after_return=1:detect_leaks=1:symbolize=1"
           # Work around https://github.com/rust-lang/rust/issues/59125 by
           # disabling backtraces. In an ideal world we'd probably suppress the
           # leak sanitization, but we don't care about backtraces here, so long
@@ -142,6 +145,8 @@ jobs:
         # We cannot run "modern-full" with asan as the chrono feature will auto-load relase binaries of
         # the ICU-extension, which are not built with ASAN and will cause a crash.
         run: |
+          export ASAN_SYMBOLIZER_PATH=$(which llvm-symbolizer)
+          echo $ASAN_SYMBOLIZER_PATH
           cargo -Z build-std test --features "serde_json url r2d2 uuid polars extensions-full" --target x86_64-unknown-linux-gnu --package duckdb
       - name: publish crates --dry-run
         uses: katyo/publish-crates@v2

crates/duckdb/src/appender_params.rs

@@ -44,15 +44,15 @@ use sealed::Sealed;
 ///     - a reference to an array of references, as in `thing.query(&["foo",
 ///       "bar", "baz"])` or `thing.query(&[&1i32, &2, &3])`.
 ///
-///         (Note: in this case we don't implement this for slices for coherence
-///         reasons, so it really is only for the "reference to array" types —
-///         hence why the number of parameters must be <= 32 or you need to
-///         reach for `duckdb::params!`)
-///
-///     Unfortunately, in the current design it's not possible to allow this for
-///     references to arrays of non-references (e.g. `&[1i32, 2, 3]`). Code like
-///     this should instead either use `params!`, an array literal, a `&[&dyn
-///     ToSql]` or if none of those work, [`ParamsFromIter`].
+///       (Note: in this case we don't implement this for slices for coherence
+///       reasons, so it really is only for the "reference to array" types —
+///       hence why the number of parameters must be <= 32 or you need to
+///       reach for `duckdb::params!`)
+///
+///   Unfortunately, in the current design it's not possible to allow this for
+///   references to arrays of non-references (e.g. `&[1i32, 2, 3]`). Code like
+///   this should instead either use `params!`, an array literal, a `&[&dyn
+///   ToSql]` or if none of those work, [`ParamsFromIter`].
 ///
 /// - As a slice of `ToSql` trait object references, e.g. `&[&dyn ToSql]`. This
 ///   is mostly useful for passing parameter lists around as arguments without

crates/duckdb/src/params.rs

@@ -44,15 +44,15 @@ use sealed::Sealed;
 ///     - a reference to an array of references, as in `thing.query(&["foo",
 ///       "bar", "baz"])` or `thing.query(&[&1i32, &2, &3])`.
 ///
-///         (Note: in this case we don't implement this for slices for coherence
-///         reasons, so it really is only for the "reference to array" types —
-///         hence why the number of parameters must be <= 32 or you need to
-///         reach for `duckdb::params!`)
-///
-///     Unfortunately, in the current design it's not possible to allow this for
-///     references to arrays of non-references (e.g. `&[1i32, 2, 3]`). Code like
-///     this should instead either use `params!`, an array literal, a `&[&dyn
-///     ToSql]` or if none of those work, [`ParamsFromIter`].
+///       (Note: in this case we don't implement this for slices for coherence
+///       reasons, so it really is only for the "reference to array" types —
+///       hence why the number of parameters must be <= 32 or you need to
+///       reach for `duckdb::params!`)
+///
+///   Unfortunately, in the current design it's not possible to allow this for
+///   references to arrays of non-references (e.g. `&[1i32, 2, 3]`). Code like
+///   this should instead either use `params!`, an array literal, a `&[&dyn
+///   ToSql]` or if none of those work, [`ParamsFromIter`].
 ///
 /// - As a slice of `ToSql` trait object references, e.g. `&[&dyn ToSql]`. This
 ///   is mostly useful for passing parameter lists around as arguments without

crates/duckdb/src/vtab/arrow.rs

@@ -1,20 +1,19 @@
 use super::{BindInfo, DataChunkHandle, InitInfo, LogicalTypeHandle, TableFunctionInfo, VTab};
-use std::sync::Arc;
-use std::sync::{atomic::AtomicBool, Mutex};
+use std::sync::{atomic::AtomicBool, Arc, Mutex};
 
 use crate::{
     core::{ArrayVector, FlatVector, Inserter, ListVector, LogicalTypeId, StructVector, Vector},
     types::DuckString,
 };
 
-use arrow::array::as_map_array;
 use arrow::{
     array::{
-        as_boolean_array, as_generic_binary_array, as_large_list_array, as_list_array, as_primitive_array,
-        as_string_array, as_struct_array, Array, ArrayData, AsArray, BinaryArray, BinaryViewArray, BooleanArray,
-        Date32Array, Decimal128Array, FixedSizeBinaryArray, FixedSizeListArray, GenericBinaryBuilder, GenericListArray,
-        GenericStringArray, IntervalMonthDayNanoArray, LargeBinaryArray, LargeStringArray, OffsetSizeTrait,
-        PrimitiveArray, StringArray, StringViewArray, StructArray, TimestampMicrosecondArray, TimestampNanosecondArray,
+        as_boolean_array, as_generic_binary_array, as_large_list_array, as_list_array, as_map_array,
+        as_primitive_array, as_string_array, as_struct_array, Array, ArrayData, AsArray, BinaryArray, BinaryViewArray,
+        BooleanArray, Date32Array, Decimal128Array, FixedSizeBinaryArray, FixedSizeListArray, GenericBinaryBuilder,
+        GenericListArray, GenericStringArray, IntervalMonthDayNanoArray, LargeBinaryArray, LargeStringArray,
+        OffsetSizeTrait, PrimitiveArray, StringArray, StringViewArray, StructArray, TimestampMicrosecondArray,
+        TimestampNanosecondArray,
     },
     buffer::{BooleanBuffer, NullBuffer},
     compute::cast,
@@ -1714,11 +1713,7 @@ mod test {
 
         let mut stmt = db.prepare("SELECT * FROM arrow(?, ?)").unwrap();
 
-        let res = match stmt.execute(arrow_recordbatch_to_query_params(batch)) {
-            Ok(..) => None,
-            Err(e) => Some(e),
-        }
-        .unwrap();
+        let res = stmt.execute(arrow_recordbatch_to_query_params(batch)).err().unwrap();
 
         assert_eq!(
             res,