southernriver commented on code in PR #6442:
URL: https://github.com/apache/hudi/pull/6442#discussion_r1009428070
##########
hudi-client/hudi-spark-client/src/main/scala/org/apache/hudi/HoodieSparkUtils.scala:
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@@ -63,6 +66,103 @@ object HoodieSparkUtils extends SparkAdapterSupport with
SparkVersionsSupport {
}))
}
+ /**
+ * Convert Filters to Catalyst Expressions and joined by And. If convert
success return an
+ * Non-Empty Option[Expression],or else return None.
+ */
+ def convertToCatalystExpressions(filters: Seq[Filter],
+ tableSchema: StructType):
Seq[Option[Expression]] = {
+ filters.map(convertToCatalystExpression(_, tableSchema))
+ }
+
+
+ /**
+ * Convert Filters to Catalyst Expressions and joined by And. If convert
success return an
+ * Non-Empty Option[Expression],or else return None.
+ */
+ def convertToCatalystExpression(filters: Array[Filter],
+ tableSchema: StructType): Option[Expression]
= {
+ val expressions = convertToCatalystExpressions(filters, tableSchema)
+ if (expressions.forall(p => p.isDefined)) {
+ if (expressions.isEmpty) {
+ None
+ } else if (expressions.length == 1) {
+ expressions.head
+ } else {
+
Some(expressions.map(_.get).reduce(org.apache.spark.sql.catalyst.expressions.And))
+ }
+ } else {
+ None
+ }
+ }
+
+ /**
+ * Convert Filter to Catalyst Expression. If convert success return an
Non-Empty
+ * Option[Expression],or else return None.
+ */
+ def convertToCatalystExpression(filter: Filter, tableSchema: StructType):
Option[Expression] = {
Review Comment:
fixed.
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