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test: cover a cast inside an aggregate's argument #6404

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Merged
max-sixty merged 1 commit into from
Oct 4, 2026
Merged

test: cover a cast inside an aggregate's argument #6404

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23 changes: 23 additions & 0 deletions prqlc/prqlc/tests/integration/sql.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -6470,6 +6470,29 @@ fn test_aggregate_of_expression() {
");
}

#[test]
fn test_aggregate_of_cast() {
// https://github.com/PRQL/prql/issues/3534 — a cast inside an aggregate
// compiles the same as one derived beforehand.
assert_snapshot!(compile(
r###"
from artists
derive {artist_int = (artist_id | as int)}
aggregate {
total_int = sum artist_int,
total_cast = sum (artist_id | as int),
}
"###,
)
.unwrap(), @"
SELECT
COALESCE(SUM(CAST(artist_id AS int)), 0) AS total_int,
COALESCE(SUM(CAST(artist_id AS int)), 0) AS total_cast
FROM
artists
");
}

#[test]
fn test_table_declarations() {
assert_snapshot!(compile(
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