danny0405 commented on a change in pull request #10224:
[FLINK-14716][table-planner-blink] Cooperate computed column with push down
rules
URL: https://github.com/apache/flink/pull/10224#discussion_r347795329
##########
File path:
flink-table/flink-table-planner-blink/src/main/scala/org/apache/flink/table/planner/sources/TableSourceUtil.scala
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@@ -177,9 +165,95 @@ object TableSourceUtil {
}
if (selectedFields.isDefined) {
// filter field names and types by selected fields
- (selectedFields.get.map(fieldNames(_)),
selectedFields.get.map(fieldTypes(_)))
+ fieldNames = selectedFields.get.map(fieldNames(_))
+ fieldTypes = selectedFields.get.map(fieldTypes(_))
+ }
+ typeFactory.buildRelNodeRowType(fieldNames, fieldTypes)
+ }
+
+ /**
+ * Returns schema of the selected fields of the given [[TableSource]].
+ *
+ * @param typeFactory Type factory to create the type
+ * @param fieldNameArray Field names to build the row type
+ * @param fieldDataTypeArray Field data types to build the row type
+ * @param watermarkSpec Watermark specifications defined through DDL
+ * @param selectedFields The indices of all selected fields. None, if all
fields are selected
+ * @param streaming Flag to determine whether the schema of a stream or
batch table is created
+ * @return The row type for the selected fields of the given
[[TableSource]], this type would
+ * also be patched with time attributes defined in the give
[[WatermarkSpec]]
+ */
+ def getSourceRowType(
+ typeFactory: FlinkTypeFactory,
+ fieldNameArray: Array[String],
+ fieldDataTypeArray: Array[DataType],
+ watermarkSpec: WatermarkSpec,
+ selectedFields: Option[Array[Int]],
Review comment:
Yep, removed.
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