beliefer commented on a change in pull request #35145:
URL: https://github.com/apache/spark/pull/35145#discussion_r781198129
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File path: sql/core/src/main/scala/org/apache/spark/sql/jdbc/H2Dialect.scala
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@@ -47,6 +47,18 @@ private object H2Dialect extends JdbcDialect {
assert(f.inputs().length == 1)
val distinct = if (f.isDistinct) "DISTINCT " else ""
Some(s"STDDEV_SAMP($distinct${f.inputs().head})")
+ case f: GeneralAggregateFunc if f.name() == "COVAR_POP" =>
+ assert(f.inputs().length == 2)
+ val distinct = if (f.isDistinct) "DISTINCT " else ""
+ Some(s"COVAR_POP($distinct${f.inputs().head}, ${f.inputs().last})")
+ case f: GeneralAggregateFunc if f.name() == "COVAR_SAMP" =>
+ assert(f.inputs().length == 2)
+ val distinct = if (f.isDistinct) "DISTINCT " else ""
+ Some(s"COVAR_SAMP($distinct${f.inputs().head}, ${f.inputs().last})")
+ case f: GeneralAggregateFunc if f.name() == "CORR" =>
+ assert(f.inputs().length == 2)
+ val distinct = if (f.isDistinct) "DISTINCT " else ""
+ Some(s"CORR($distinct${f.inputs().head}, ${f.inputs().last})")
case _ => None
}
Review comment:
No, H2 support some aggregate functions like regr_*, Spark not support
yet.
I want add them in next batch.
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