feat: Add support for TryCast expression in Spark 3.2 and 3.3 #416
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andygrove
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May 15, 2024
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| case UnaryExpression(child) if expr.prettyName == "trycast" => | ||
| val timeZoneId = SQLConf.get.sessionLocalTimeZone | ||
| handleCast(child, inputs, expr.dataType, Some(timeZoneId), "TRY") |
andygrove
reviewed
May 15, 2024
andygrove
reviewed
May 15, 2024
| @@ -617,50 +663,17 @@ object QueryPlanSerde extends Logging with ShimQueryPlanSerde with CometExprShim | |||
| val value = cast.eval() | |||
| exprToProtoInternal(Literal(value, dataType), inputs) | |||
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| case UnaryExpression(child) if expr.prettyName == "trycast" => | |||
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Just making sure whether it is trycast, not try_cast. Looks like Spark 3.4 is using try_cast, haven't been able to find the source for Spark 3.3
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yes, it is trycast.
kazuyukitanimura
approved these changes
May 15, 2024
viirya
reviewed
May 16, 2024
| // https://github.com/apache/datafusion-comet/issues/374 | ||
| val testTryCast = CometSparkSessionExtensions.isSpark34Plus | ||
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| // we now support the TryCast expression in Spark 3.2 and 3.3 |
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nit: This comment looks unnecessary.
himadripal
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himadripal
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Which issue does this PR close?
Closes #374 .
Rationale for this change
Improve compatibility with various versions of spark.
What changes are included in this PR?
Inclusion of trycast while pattern matching expr
How are these changes tested?
All test cases pass.