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[GLUTEN-13201][CORE] Fall back on RANGE frame bounds that cannot be offloaded - #13202
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Run Gluten Clickhouse CI on x86 |
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Copilot review overview
🟡 Changes recommended
The Bolt-specific regression lacks backend integration coverage.
Review effort: Balanced
Findings: 1
What changed in this PR
Ensures unsupported RANGE window bounds fall back instead of failing during planning or execution.
Changes:
- Restricts RANGE-bound precomputation and backend offloading to integral bounds.
- Converts invalid bound parsing into a fallback-compatible exception.
- Adds Velox and Substrait regression tests.
| File | Description |
|---|---|
PullOutProjectHelper.scala |
Guards RANGE-bound precomputation by bound type. |
WindowFunctionNode.java |
Converts parsing failures into unsupported-operation fallback. |
WindowFunctionNodeTest.java |
Tests integral and non-integral bound conversion. |
VeloxBackend.scala |
Rejects non-integral RANGE bounds. |
BoltBackend.scala |
Rejects non-integral RANGE bounds. |
VeloxWindowExpressionSuite.scala |
Tests fallback for date keys with interval bounds. |
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Run Gluten Clickhouse CI on x86 |
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Copilot review overview
Review effort: Lite
Findings: 2
Open (3)
This literal-bound type check appears duplicated in both Velox and Bolt backends (same… · New The assertione.getMessage().contains(bound.toString())is likely brittle and may fail because… · New The new error message is helpful, but it omits the bound’s data type, which is often the key clue… · New
Resolved since last review (1)
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Copilot review overview
Review effort: Lite
Findings: 2
Open (5)
The comment says the bound must be an \"integral value\", but the implementation enforces an… · New This literal-bound type check appears duplicated in both Velox and Bolt backends (same… Same as the Velox backend: preferother.simpleString(and optionally the evaluated literal value)… · New The error message relies onDataType.toStringvia$other, which can be verbose/inconsistent… · NewparseOffsettakes an expression, but the parameter nameboundTypereads like a data type rather… · New
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Run Gluten Clickhouse CI on x86 |
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Copilot review overview
Review effort: Lite
Findings: 1
Open (4)
parseOffsetrelies oneval(null)+ string parsing to decide support. This can silently accept… · New The new error message only reports the bound data type, but not the offending bound… · New This literal-bound type check appears duplicated in both Velox and Bolt backends (same…parseOffsettakes an expression, but the parameter nameboundTypereads like a data type rather…
Resolved since last review (3)
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Run Gluten Clickhouse CI on x86 |
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Run Gluten Clickhouse CI on x86 |
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Run Gluten Clickhouse CI on x86 |
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Run Gluten Clickhouse CI on x86 |
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Run Gluten Clickhouse CI on x86 |
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Run Gluten Clickhouse CI on x86 |
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Run Gluten Clickhouse CI on x86 |
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Run Gluten Clickhouse CI on x86 |
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Thank you @jackylee-ch |



What changes are proposed in this pull request?
Two RANGE window frame shapes failed the query instead of falling back.
On Velox and Bolt, a date order key with an interval bound, e.g.
range between interval '1' month preceding and current row, failed planning withUnresolvedException. The range frame boundary pre-computation turns a date key into an integer and adds the bound to it, which only works for an integer bound. It now pre-computes only when every literal bound is integral, andsupportWindowExecrejects a literal RANGE bound that is not integral, so the window falls back. The rejection lives inWindowFunctionsBuilderand both backends call it, so the Velox tests cover the code Bolt runs. Both parts are needed: without the first the planning error stays, and without the second the window is offloaded with a constant interval offset that Velox rejects at runtime.WindowFunctionNodeconverted literal frame bounds withLong.valueOf. A bound that does not parse as a long, such as the-10.00a decimal key turns10 PRECEDINGinto, threwNumberFormatException, which validation does not turn into a fallback. This matters on ClickHouse, whosesupportWindowExecdid not check frame bounds. It now throwsGlutenNotSupportException, and ClickHouse'ssupportWindowExecrejects a literal bound that does not parse as a long up front, so the window falls back whether or not native validation is on. Bounds that convert today, such as adecimal(10,0)10, are still offloaded.Date keys with integer bounds are still pre-computed and offloaded as before.
How was this patch tested?
VeloxWindowExpressionSuiteandBoltWindowExpressionSuiteadd "range frame with an interval bound on a date key falls back": year-month interval bounds on a date key, and an interval bound next to an integer bound in the same window operator, each compared against vanilla Spark and checked to run asWindowExec. A Spark 4.0+ test does the same for a day interval bound, which Spark 4 also accepts on a date key.WindowFunctionNodeTestchecks that decimal, double and null bounds throwGlutenNotSupportException, that an integer bound still converts, that the up-front checks agree with the conversion, and that the Velox/Bolt check rejects a null integral bound.GlutenClickHouseTPCHSaltNullParquetSuiteadds "window range with a non-integral bound falls back":1.5 PRECEDINGand10 PRECEDINGon a decimal key are compared against vanilla Spark and checked to run asWindowExec, with native validation both on and off; it runs only on the ClickHouse CI. No CI workflow runs the Bolt suite.Was this patch authored or co-authored using generative AI tooling?
Yes. Generated-by: Claude Opus.
Related issue: #13201