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https://issues.apache.org/jira/browse/FLINK-39210?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18075325#comment-18075325
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Qilong Wang edited comment on FLINK-39210 at 4/22/26 4:03 AM:
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I am trying to fix this issue in
[F|https://github.com/apache/flink/pull/27992]LINK-39210
was (Author: JIRAUSER306284):
I am trying to fix this issue in https://github.com/apache/flink/pull/27992
> Memory Leak Issue in Flink SQL with Multiple Temporal Joins
> -----------------------------------------------------------
>
> Key: FLINK-39210
> URL: https://issues.apache.org/jira/browse/FLINK-39210
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / Runtime
> Affects Versions: 1.20.3, 2.2.0, 2.1.1
> Reporter: Fred Teunissen
> Priority: Major
> Labels: pull-request-available
>
> There is a memory issue in Flink SQL when using multiple temporal joins in a
> single query.
> {code:sql}
> INSERT INTO blackhole_table
> SELECT
> orders.customer_id,
> order_id,
> price,
> orders.currency,
> conversion_rate,
> order_time
> FROM orders
> LEFT JOIN config FOR SYSTEM_TIME AS OF orders.order_time
> ON orders.customer_id = config.customer_id
> INNER JOIN currency_rates FOR SYSTEM_TIME AS OF orders.order_time
> ON orders.currency = currency_rates.currency;{code}
> To reproduce this in docker see [repository on
> github|https://github.com/FredTing/memory-leak-temporal-join]
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