swuferhong commented on code in PR #20084:
URL: https://github.com/apache/flink/pull/20084#discussion_r922985005
##########
flink-connectors/flink-connector-hive/src/main/java/org/apache/flink/connectors/hive/HiveTableSource.java:
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@@ -261,6 +279,93 @@ public DynamicTableSource copy() {
return source;
}
+ @Override
+ public TableStats reportStatistics() {
+ try {
+ // only support BOUNDED source
+ if (isStreamingSource()) {
+ return TableStats.UNKNOWN;
+ }
+ if (flinkConf.get(HiveOptions.SOURCE_REPORT_STATISTICS)
+ != FileSystemConnectorOptions.FileStatisticsType.ALL) {
+ return TableStats.UNKNOWN;
+ }
+
+ HiveSourceBuilder sourceBuilder =
+ new HiveSourceBuilder(jobConf, flinkConf, tablePath,
hiveVersion, catalogTable)
+ .setProjectedFields(projectedFields)
+ .setLimit(limit);
Review Comment:
>
Adding limit push down logic in HiveTableSource for reporting stats. But,
this not work now because of optimizing order.
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