jayzhan211 commented on code in PR #14865:
URL: https://github.com/apache/datafusion/pull/14865#discussion_r1971048076
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datafusion/functions/src/string/btrim.rs:
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@@ -19,20 +19,28 @@ use crate::string::common::*;
use crate::utils::{make_scalar_function, utf8_to_str_type};
use arrow::array::{ArrayRef, OffsetSizeTrait};
use arrow::datatypes::DataType;
+use datafusion_common::types::logical_string;
use datafusion_common::{exec_err, Result};
use datafusion_expr::function::Hint;
use datafusion_expr::{
- ColumnarValue, Documentation, ScalarFunctionArgs, ScalarUDFImpl, Signature,
- TypeSignature, Volatility,
+ Coercion, ColumnarValue, Documentation, ScalarFunctionArgs, ScalarUDFImpl,
Signature,
+ TypeSignature, TypeSignatureClass, Volatility,
};
use datafusion_macros::user_doc;
use std::any::Any;
+use std::sync::Arc;
/// Returns the longest string with leading and trailing characters removed.
If the characters are not specified, whitespace is removed.
/// btrim('xyxtrimyyx', 'xyz') = 'trim'
fn btrim<T: OffsetSizeTrait>(args: &[ArrayRef]) -> Result<ArrayRef> {
let use_string_view = args[0].data_type() == &DataType::Utf8View;
- general_trim::<T>(args, TrimType::Both, use_string_view)
+ let args = if args.len() > 1 {
Review Comment:
casting logic should be in `invoke_with_args` to keep this kernel function
easy to be reuse
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