Andy Grove

Add ANSI support for Divide and IntegralDivide

2

### What is the problem the feature request solves? Spark has specific handling of overflows when ANSI mode is enabled and we need to add the same in Comet. ###...

## Which issue does this PR close? Closes #. ## Rationale for this change I noticed the comment `// TODO: make compression level configurable` so I went ahead and made...

[DISCUSS] DataFusion upgrade policy

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### What is the problem the feature request solves? During the Comet community call this morning, we discussed some options around how we keep up to date with changes in...

### What is the problem the feature request solves? Comet is currently slower than Spark for q16 because we transition to Comet at the end of the query just for...

Improve CometExchange metrics

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### What is the problem the feature request solves? To make it easier to compare Spark and Comet in the Spark UI, I would find it helpful if Comet reported...

Add ANSI support for Multiply

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### What is the problem the feature request solves? Spark has specific handling of overflows when ANSI mode is enabled and we need to add the same in Comet. ###...

Improve performance of TPC-DS q72

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### What is the problem the feature request solves? I ran our benchmark derived from TPC-DS @ sf=100 locally and saw that q72 shows the largest regression (measured in seconds...

Add ANSI support for Subtract

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### What is the problem the feature request solves? Spark has specific handling of overflows when ANSI mode is enabled and we need to add the same in Comet. ###...

### What is the problem the feature request solves? We need specific documentation for running Comet with k8s because we need to make sure that we configure Spark/k8s to allow...

bug: CAST timestamp to string ignores timezone prior to Spark 3.4

2

### Describe the bug In `CometExpressionSuite` we have two tests that are ignored for Spark 3.2 and 3.3. ```scala test("cast timestamp and timestamp_ntz to string") { // TODO: make the...