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Add support for utf8view to nvl function #13382

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Merged
alamb merged 3 commits into from
Nov 15, 2024
Merged

Add support for utf8view to nvl function #13382

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9bdbe82
Directly support utf8view in nvl. #13381
Omega359 Nov 12, 2024
3365e9b
Merge remote-tracking branch 'apache/main' into feature/nvl
alamb Nov 14, 2024
fe2bf70
Fix what looks like a merge error.
Omega359 Nov 15, 2024
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1 change: 1 addition & 0 deletions datafusion/functions/src/core/nvl.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -47,6 +47,7 @@ static SUPPORTED_NVL_TYPES: &[DataType] = &[
DataType::Int64,
DataType::Float32,
DataType::Float64,
DataType::Utf8View,
DataType::Utf8,
DataType::LargeUtf8,
];
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30 changes: 30 additions & 0 deletions datafusion/sqllogictest/test_files/nvl.slt
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Expand Up @@ -118,3 +118,33 @@ query I
SELECT NVL(NULL, NULL);
----
NULL

query T
SELECT NVL(arrow_cast(text_field, 'Utf8View'), 'zxb') FROM test;
----
abc
def
ghij
zxb
zxc
zxb

query T
SELECT NVL(arrow_cast('a', 'Utf8View'), 'zxb');
----
a

query T
SELECT NVL('zxb', arrow_cast('a', 'Utf8View'));
----
zxb

query T
SELECT NVL(NULL, arrow_cast('a', 'Utf8View'));
----
a

query T
SELECT NVL(arrow_cast('a', 'Utf8View'), NULL);
----
a
8 changes: 8 additions & 0 deletions datafusion/sqllogictest/test_files/string/string_view.slt
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Expand Up @@ -935,6 +935,14 @@ logical_plan
01)Projection: to_timestamp(test.column1_utf8view, Utf8("a,b,c,d")) AS c
02)--TableScan: test projection=[column1_utf8view]

## Ensure no casts for NVL
query TT
EXPLAIN SELECT NVL(column1_utf8view, 'a') as c2 FROM test;
----
logical_plan
01)Projection: nvl(test.column1_utf8view, Utf8View("a")) AS c2
02)--TableScan: test projection=[column1_utf8view]

## Ensure no casts for nullif
query TT
EXPLAIN SELECT
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