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8 changes: 8 additions & 0 deletions datafusion/spark/src/function/datetime/mod.rs
Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,7 @@ pub mod last_day;
pub mod make_dt_interval;
pub mod make_interval;
pub mod next_day;
pub mod quarter;
pub mod time_trunc;
pub mod to_utc_timestamp;
pub mod trunc;
Expand Down Expand Up @@ -72,6 +73,7 @@ make_udf_function!(
unix_seconds,
unix::SparkUnixTimestamp::seconds
);
make_udf_function!(quarter::SparkQuarter, quarter);

pub mod expr_fn {
use datafusion_functions::export_functions;
Expand Down Expand Up @@ -179,6 +181,11 @@ pub mod expr_fn {
"Returns the number of seconds since epoch (1970-01-01 00:00:00 UTC) for the given timestamp `ts`.",
ts
));
export_functions!((
quarter,
"Returns the quarter of the year for date, in the range 1 to 4.",
arg1
));
}

pub fn functions() -> Vec<Arc<ScalarUDF>> {
Expand All @@ -204,5 +211,6 @@ pub fn functions() -> Vec<Arc<ScalarUDF>> {
unix_micros(),
unix_millis(),
unix_seconds(),
quarter(),
]
}
111 changes: 111 additions & 0 deletions datafusion/spark/src/function/datetime/quarter.rs
Original file line number Diff line number Diff line change
@@ -0,0 +1,111 @@
// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.

use arrow::array::{ArrayRef, AsArray, Int32Array};
use arrow::datatypes::{DataType, Date32Type, Field, FieldRef};
use chrono::Datelike;
use datafusion::logical_expr::{ColumnarValue, Signature, Volatility};
use datafusion_common::utils::take_function_args;
use datafusion_common::{Result, ScalarValue, internal_err};
use datafusion_expr::{ReturnFieldArgs, ScalarFunctionArgs, ScalarUDFImpl};
use std::any::Any;
use std::sync::Arc;

#[derive(Debug, PartialEq, Eq, Hash)]
pub struct SparkQuarter {
signature: Signature,
}

impl Default for SparkQuarter {
fn default() -> Self {
Self::new()
}
}

impl SparkQuarter {
pub fn new() -> Self {
Self {
signature: Signature::exact(vec![DataType::Date32], Volatility::Immutable),
}
}
}

impl ScalarUDFImpl for SparkQuarter {
fn as_any(&self) -> &dyn Any {
self
}

fn name(&self) -> &str {
"quarter"
}

fn signature(&self) -> &Signature {
&self.signature
}

fn return_type(&self, _arg_types: &[DataType]) -> Result<DataType> {
internal_err!("return_field_from_args should be used instead")
}

fn return_field_from_args(&self, args: ReturnFieldArgs) -> Result<FieldRef> {
Ok(Arc::new(Field::new(
self.name(),
DataType::Int32,
args.arg_fields[0].is_nullable(),
)))
}

fn invoke_with_args(&self, args: ScalarFunctionArgs) -> Result<ColumnarValue> {
let [arg] = take_function_args("quarter", args.args)?;
match arg {
ColumnarValue::Scalar(ScalarValue::Date32(days)) => {
if let Some(days) = days {
Ok(ColumnarValue::Scalar(ScalarValue::Int32(Some(
spark_quarter(days)?,
))))
} else {
Ok(ColumnarValue::Scalar(ScalarValue::Int32(None)))
}
}
ColumnarValue::Array(array) => {
let result = match array.data_type() {
DataType::Date32 => {
let result: Int32Array = array
.as_primitive::<Date32Type>()
.try_unary(spark_quarter)?
.with_data_type(DataType::Int32);
Ok(Arc::new(result) as ArrayRef)
}
other => {
internal_err!(
"Unsupported data type {other:?} for Spark function `quarter`"
)
}
}?;
Ok(ColumnarValue::Array(result))
}
other => {
internal_err!("Unsupported arg {other:?} for Spark function `quarter")
}
}
}
}

fn spark_quarter(days: i32) -> Result<i32> {
let quarter = Date32Type::to_naive_date_opt(days).unwrap().quarter();
Ok(quarter as i32)
}
44 changes: 34 additions & 10 deletions datafusion/sqllogictest/test_files/spark/datetime/quarter.slt
Original file line number Diff line number Diff line change
Expand Up @@ -15,13 +15,37 @@
# specific language governing permissions and limitations
# under the License.

# This file was originally created by a porting script from:
# https://github.com/lakehq/sail/tree/43b6ed8221de5c4c4adbedbb267ae1351158b43c/crates/sail-spark-connect/tests/gold_data/function
# This file is part of the implementation of the datafusion-spark function library.
# For more information, please see:
# https://github.com/apache/datafusion/issues/15914

## Original Query: SELECT quarter('2016-08-31');
## PySpark 3.5.5 Result: {'quarter(2016-08-31)': 3, 'typeof(quarter(2016-08-31))': 'int', 'typeof(2016-08-31)': 'string'}
#query
#SELECT quarter('2016-08-31'::string);
query I
SELECT quarter('2009-01-12'::DATE);
----
1

query I
SELECT quarter('1970-01-01'::DATE);
----
1

query I
SELECT quarter('1870-01-01'::DATE);
----
1

query I
SELECT quarter('2011-04-21'::DATE);
----
2

query I
SELECT quarter('2024-08-14'::DATE);
----
3

query I
SELECT quarter('2016-12-12'::DATE);
----
4

query I
SELECT quarter(NULL::DATE);
----
NULL