fix: query tolerance= in SQL file tests now also asserts Comet native execution#3797
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andygrove wants to merge 4 commits intoapache:mainfrom
Open
fix: query tolerance= in SQL file tests now also asserts Comet native execution#3797andygrove wants to merge 4 commits intoapache:mainfrom
andygrove wants to merge 4 commits intoapache:mainfrom
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… execution The WithTolerance mode in CometSqlFileTestSuite called checkSparkAnswerWithTolerance, which hardcodes assertCometNative=false. This meant that all 50+ SQL test queries using 'query tolerance=...' (sin, cos, tan, stddev, avg, etc.) silently skipped the check that Comet actually executed the expression natively. Add checkSparkAnswerAndOperatorWithTolerance that combines tolerance- based result comparison with the native operator assertion, and use it in the WithTolerance case.
2 tasks
Maps Spark's Logarithm expression to DataFusion's log(base, value) function. Applies nullIfNegative to both base and value to match Spark's behavior of returning null when the result would be NaN (inputs <= 0).
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Which issue does this PR close?
Closes #.
Rationale for this change
CometSqlFileTestSuitesupports aquery tolerance=<value>directive for floating-point queries where small numeric differences are expected. However, theWithTolerancemode calledcheckSparkAnswerWithTolerance, which hardcodesassertCometNative = false. This meant that all 50+ queries using this directive (coveringsin,cos,tan,asin,acos,atan,atan2,sinh,cosh,tanh,exp,expm1,log,log2,log10,pow,sqrt,cot,stddev,variance,avg,sum,corr,covariance) were silently skipping the assertion that Comet actually executed the expression natively.What changes are included in this PR?
checkSparkAnswerAndOperatorWithTolerancetoCometTestBase, which combines tolerance-based result comparison withassertCometNative = true.WithTolerancecase inCometSqlFileTestSuiteto call the new method instead ofcheckSparkAnswerWithTolerance.tan.sqlto addallowIncompatibleconfig so the test runs natively.Logarithmexpression (two-arglog(base, value)), mapping it to DataFusion'slog(base, value)function.How are these changes tested?
The existing SQL file tests for all affected math and aggregate expressions now enforce native execution as part of their normal CI run.