peter-toth commented on code in PR #42755:
URL: https://github.com/apache/spark/pull/42755#discussion_r1325510653
##########
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/aggregate/Mode.scala:
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@@ -18,15 +18,22 @@
package org.apache.spark.sql.catalyst.expressions.aggregate
import org.apache.spark.sql.catalyst.InternalRow
-import org.apache.spark.sql.catalyst.expressions.{Expression,
ExpressionDescription, ImplicitCastInputTypes}
-import org.apache.spark.sql.catalyst.trees.UnaryLike
+import org.apache.spark.sql.catalyst.analysis.TypeCheckResult
+import
org.apache.spark.sql.catalyst.analysis.TypeCheckResult.{DataTypeMismatch,
TypeCheckSuccess}
+import org.apache.spark.sql.catalyst.expressions.{Expression,
ExpressionDescription, ImplicitCastInputTypes, Literal}
+import org.apache.spark.sql.catalyst.trees.{BinaryLike, UnaryLike}
+import org.apache.spark.sql.catalyst.types.PhysicalDataType
import org.apache.spark.sql.catalyst.util.GenericArrayData
-import org.apache.spark.sql.types.{AbstractDataType, AnyDataType, ArrayType,
DataType}
+import org.apache.spark.sql.catalyst.util.TypeUtils.toSQLExpr
+import org.apache.spark.sql.errors.DataTypeErrors.toSQLType
+import org.apache.spark.sql.types.{AbstractDataType, AnyDataType, ArrayType,
BooleanType, DataType}
import org.apache.spark.util.collection.OpenHashMap
// scalastyle:off line.size.limit
@ExpressionDescription(
- usage = "_FUNC_(col) - Returns the most frequent value for the values within
`col`. NULL values are ignored. If all the values are NULL, or there are 0
rows, returns NULL.",
+ usage = """
+ _FUNC_(col[, deterministicResult]) - Returns the most frequent value for
the values within `col`. NULL values are ignored. If all the values are NULL,
or there are 0 rows, returns NULL.
Review Comment:
Ok, changed.
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