(paimon) branch master updated: [flink] Fix the document of Fixed Bucket Large Scale Lookup optimization (#5808)

[lz...@apache.org]

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The following commit(s) were added to refs/heads/master by this push:
     new 3e0664ade9 [flink] Fix the document of Fixed Bucket Large Scale Lookup optimization (#5808)
3e0664ade9 is described below

commit 3e0664ade96b47e81e9a00cb70bf27e8a170eaf9
Author: yunfengzhou-hub <yu...@outlook.com>
AuthorDate: Fri Jun 27 17:18:57 2025 +0800

    [flink] Fix the document of Fixed Bucket Large Scale Lookup optimization (#5808)
---
 docs/content/flink/sql-lookup.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/docs/content/flink/sql-lookup.md b/docs/content/flink/sql-lookup.md
index 3b160dbfc9..537af3cd12 100644
--- a/docs/content/flink/sql-lookup.md
+++ b/docs/content/flink/sql-lookup.md
@@ -137,6 +137,8 @@ FOR SYSTEM_TIME AS OF o.proc_time AS c
 ON o.customer_id = c.id;
 ```
 
+Note that this optimization only takes effect when the join keys contain all the bucket keys.
+
 ## Dynamic Partition
 
 In traditional data warehouses, each partition often maintains the latest full data, so this partition table only