godfreyhe commented on a change in pull request #8736: [FLINK-12846][table]
Carry primary key and unique key information in TableSchema
URL: https://github.com/apache/flink/pull/8736#discussion_r294119747
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File path:
flink-table/flink-table-planner-blink/src/main/scala/org/apache/flink/table/plan/schema/TableSourceTable.scala
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@@ -19,20 +19,24 @@
package org.apache.flink.table.plan.schema
import org.apache.calcite.rel.`type`.{RelDataType, RelDataTypeFactory}
+import org.apache.flink.table.{JHashSet, JSet}
import org.apache.flink.table.calcite.FlinkTypeFactory
import org.apache.flink.table.plan.stats.FlinkStatistic
import org.apache.flink.table.sources.{TableSource, TableSourceUtil}
+import java.util
+
/**
* Abstract class which define the interfaces required to convert a
[[TableSource]] to
* a Calcite Table
*/
class TableSourceTable[T](
val tableSource: TableSource[T],
- val isStreaming: Boolean,
- val statistic: FlinkStatistic)
Review comment:
if the `statistic` is deleted, how to store the statistic from catalog?
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