advancedxy commented on code in PR #424:
URL: https://github.com/apache/datafusion-comet/pull/424#discussion_r1619670208
##########
core/src/execution/datafusion/spark_hash.rs:
##########
@@ -244,111 +283,214 @@ fn create_hashes_dictionary<K: ArrowDictionaryKeyType>(
///
/// The number of rows to hash is determined by `hashes_buffer.len()`.
/// `hashes_buffer` should be pre-sized appropriately
-pub fn create_hashes<'a>(
- arrays: &[ArrayRef],
- hashes_buffer: &'a mut [u32],
-) -> Result<&'a mut [u32]> {
- for (i, col) in arrays.iter().enumerate() {
- let first_col = i == 0;
- match col.data_type() {
- DataType::Boolean => {
- hash_array_boolean!(BooleanArray, col, i32, hashes_buffer);
- }
- DataType::Int8 => {
- hash_array_primitive!(Int8Array, col, i32, hashes_buffer);
- }
- DataType::Int16 => {
- hash_array_primitive!(Int16Array, col, i32, hashes_buffer);
- }
- DataType::Int32 => {
- hash_array_primitive!(Int32Array, col, i32, hashes_buffer);
- }
- DataType::Int64 => {
- hash_array_primitive!(Int64Array, col, i64, hashes_buffer);
- }
- DataType::Float32 => {
- hash_array_primitive_float!(Float32Array, col, f32, i32,
hashes_buffer);
- }
- DataType::Float64 => {
- hash_array_primitive_float!(Float64Array, col, f64, i64,
hashes_buffer);
- }
- DataType::Timestamp(TimeUnit::Second, _) => {
- hash_array_primitive!(TimestampSecondArray, col, i64,
hashes_buffer);
- }
- DataType::Timestamp(TimeUnit::Millisecond, _) => {
- hash_array_primitive!(TimestampMillisecondArray, col, i64,
hashes_buffer);
- }
- DataType::Timestamp(TimeUnit::Microsecond, _) => {
- hash_array_primitive!(TimestampMicrosecondArray, col, i64,
hashes_buffer);
- }
- DataType::Timestamp(TimeUnit::Nanosecond, _) => {
- hash_array_primitive!(TimestampNanosecondArray, col, i64,
hashes_buffer);
- }
- DataType::Date32 => {
- hash_array_primitive!(Date32Array, col, i32, hashes_buffer);
- }
- DataType::Date64 => {
- hash_array_primitive!(Date64Array, col, i64, hashes_buffer);
- }
- DataType::Utf8 => {
- hash_array!(StringArray, col, hashes_buffer);
- }
- DataType::LargeUtf8 => {
- hash_array!(LargeStringArray, col, hashes_buffer);
- }
- DataType::Binary => {
- hash_array!(BinaryArray, col, hashes_buffer);
- }
- DataType::LargeBinary => {
- hash_array!(LargeBinaryArray, col, hashes_buffer);
- }
- DataType::FixedSizeBinary(_) => {
- hash_array!(FixedSizeBinaryArray, col, hashes_buffer);
- }
- DataType::Decimal128(_, _) => {
- hash_array_decimal!(Decimal128Array, col, hashes_buffer);
- }
- DataType::Dictionary(index_type, _) => match **index_type {
+///
+/// `hash_method` is the hash function to use
+/// `create_dictionary_hash_method` is the function to create hashes for
dictionary arrays input
Review Comment:
Thanks, 🥰.
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