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_r347264543
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File path:
flink-table/flink-table-planner-blink/src/main/scala/org/apache/flink/table/planner/plan/schema/DataStreamTable.scala
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@@ -19,59 +19,164 @@
package org.apache.flink.table.planner.plan.schema
import org.apache.flink.streaming.api.datastream.DataStream
+import org.apache.flink.table.api.TableException
import org.apache.flink.table.planner.calcite.FlinkTypeFactory
import org.apache.flink.table.planner.plan.stats.FlinkStatistic
+import org.apache.flink.table.runtime.types.LogicalTypeDataTypeConverter
+import org.apache.flink.table.types.DataType
+import org.apache.flink.table.types.logical.{LogicalType, RowType,
TimestampKind, TimestampType}
import
org.apache.flink.table.types.utils.TypeConversions.fromLegacyInfoToDataType
+import org.apache.flink.table.typeutils.TimeIndicatorTypeInfo
-import org.apache.calcite.rel.`type`.{RelDataType, RelDataTypeFactory}
+import org.apache.calcite.plan.RelOptSchema
+import org.apache.calcite.rel.`type`.RelDataType
+
+import java.util.{List => JList}
/**
* The class that wraps [[DataStream]] as a Calcite Table.
+ *
+ * <p> This table is only used for tests.
Review comment:
I mean `StreamTableEnvironment#fromDataStream` use
`QueryOperationCatalogViewTable ` to wrap the `DataStream`, `DataStreamTable`
is only used for tests in Blink.
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