Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

consistent logical & physical NTILE return types #8270

Merged
merged 1 commit into from
Nov 21, 2023
Merged

consistent logical & physical NTILE return types #8270

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
11 changes: 10 additions & 1 deletion datafusion/expr/src/window_function.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -205,7 +205,7 @@ impl BuiltInWindowFunction {
BuiltInWindowFunction::PercentRank | BuiltInWindowFunction::CumeDist => {
Ok(DataType::Float64)
}
BuiltInWindowFunction::Ntile => Ok(DataType::UInt32),
BuiltInWindowFunction::Ntile => Ok(DataType::UInt64),
BuiltInWindowFunction::Lag
| BuiltInWindowFunction::Lead
| BuiltInWindowFunction::FirstValue
Expand Down Expand Up @@ -369,6 +369,15 @@ mod tests {
Ok(())
}

#[test]
fn test_ntile_return_type() -> Result<()> {
let fun = find_df_window_func("ntile").unwrap();
let observed = fun.return_type(&[DataType::Int16])?;
assert_eq!(DataType::UInt64, observed);

Ok(())
}

#[test]
fn test_window_function_case_insensitive() -> Result<()> {
let names = vec![
Expand Down
7 changes: 7 additions & 0 deletions datafusion/sqllogictest/test_files/window.slt
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -3522,3 +3522,10 @@ SortPreservingMergeExec: [c@3 ASC NULLS LAST]
--------SortPreservingRepartitionExec: partitioning=Hash([d@4], 2), input_partitions=2, sort_exprs=a@1 ASC NULLS LAST,b@2 ASC NULLS LAST
----------RepartitionExec: partitioning=RoundRobinBatch(2), input_partitions=1
------------StreamingTableExec: partition_sizes=1, projection=[a0, a, b, c, d], infinite_source=true, output_ordering=[a@1 ASC NULLS LAST, b@2 ASC NULLS LAST]

# CTAS with NTILE function
statement ok
CREATE TABLE new_table AS SELECT NTILE(2) OVER(ORDER BY c1) AS ntile_2 FROM aggregate_test_100;

statement ok
DROP TABLE new_table;