lsyldliu commented on code in PR #19859:
URL: https://github.com/apache/flink/pull/19859#discussion_r897938663
##########
flink-table/flink-table-api-java/src/main/java/org/apache/flink/table/api/config/TableConfigOptions.java:
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@@ -178,6 +178,15 @@ private TableConfigOptions() {}
.withDescription(
"Specifies a threshold where class members of
generated code will be grouped into arrays by types.");
+ @Documentation.TableOption(execMode =
Documentation.ExecMode.BATCH_STREAMING)
+ @Documentation.OverrideDefault("System.getProperty(\"java.io.tmpdir\")")
+ public static final ConfigOption<String> DOWNLOADED_RESOURCES_TMP_DIR =
+ key("table.downloaded.resources.tmpdir")
Review Comment:
In gateway, every session will need a unique subDir created with an UUID
suffix, so we need to provide such option let gateway to control the resource
download dir. In hive, it provide `DOWNLOADED_RESOURCES_DIR` used to control
the downloaded path in every session
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