jackwener commented on code in PR #4057:
URL: https://github.com/apache/arrow-datafusion/pull/4057#discussion_r1011082400
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datafusion/physical-expr/src/expressions/in_list.rs:
##########
@@ -17,50 +17,31 @@
//! InList expression
+use ahash::RandomState;
use std::any::Any;
-use std::collections::HashSet;
use std::fmt::Debug;
use std::sync::Arc;
-use arrow::array::GenericStringArray;
-use arrow::array::{
- ArrayRef, BooleanArray, Float32Array, Float64Array, Int16Array, Int32Array,
- Int64Array, Int8Array, OffsetSizeTrait, TimestampMicrosecondArray,
- TimestampMillisecondArray, TimestampNanosecondArray, TimestampSecondArray,
- UInt16Array, UInt32Array, UInt64Array, UInt8Array,
-};
-use arrow::{
- datatypes::{DataType, Schema},
- record_batch::RecordBatch,
-};
-
+use crate::hash_utils::HashValue;
use crate::physical_expr::down_cast_any_ref;
use crate::utils::expr_list_eq_any_order;
use crate::PhysicalExpr;
use arrow::array::*;
-use arrow::datatypes::TimeUnit;
-use datafusion_common::cast::as_date32_array;
-use datafusion_common::ScalarValue;
-use datafusion_common::ScalarValue::{
- Binary, Boolean, Date32, Date64, Decimal128, Int16, Int32, Int64, Int8,
LargeBinary,
- LargeUtf8, TimestampMicrosecond, TimestampMillisecond, TimestampNanosecond,
- TimestampSecond, UInt16, UInt32, UInt64, UInt8, Utf8,
-};
-use datafusion_common::{DataFusionError, Result};
+use arrow::datatypes::*;
+use arrow::downcast_primitive_array;
+use arrow::record_batch::RecordBatch;
+use arrow::util::bit_iterator::BitIndexIterator;
+use datafusion_common::{DataFusionError, Result, ScalarValue};
use datafusion_expr::ColumnarValue;
-
-/// Size at which to use a Set rather than Vec for `IN` / `NOT IN`
-/// Value chosen by the benchmark at
-/// https://github.com/apache/arrow-datafusion/pull/2156#discussion_r845198369
-/// TODO: add switch codeGen in In_List
-static OPTIMIZER_INSET_THRESHOLD: usize = 30;
Review Comment:
This is a future ticket, we can create a new issue.
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