remove a dup note for pingcap/tidb#47064

releases/release-6.5.6.md

@@ -62,7 +62,6 @@ Quick access: [Quick start](https://docs.pingcap.com/tidb/v6.5/quick-start-with-
     - (dup): release-7.4.0.md > Bug fixes> TiDB - Fix the issue that the results of `MERGE_JOIN` are incorrect [#46580](https://github.com/pingcap/tidb/issues/46580) @[qw4990](https://github.com/qw4990)
     - (dup): release-7.1.2.md > Bug fixes> TiDB - Fix the issue that the Sort operator might cause TiDB to crash during the spill process [#47538](https://github.com/pingcap/tidb/issues/47538) @[windtalker](https://github.com/windtalker)
     - (dup): release-7.4.0.md > Bug fixes> TiDB - Fix the issue that the `cast(col)=range` condition causes FullScan when CAST has no precision loss [#45199](https://github.com/pingcap/tidb/issues/45199) @[AilinKid](https://github.com/AilinKid)
-    - (dup): release-7.1.2.md > Bug fixes> TiDB - Fix the issue of duplicate columns in a table caused by `RENAME TABLE` operations [#47064](https://github.com/pingcap/tidb/issues/47064)@[jiyfhust](https://github.com/jiyfhust)
     - (dup): release-7.1.2.md > Bug fixes> TiDB - Fix the panic issue of `batch-client` in `client-go` [#47691](https://github.com/pingcap/tidb/issues/47691) @[crazycs520](https://github.com/crazycs520)
     - (dup): release-7.1.2.md > Bug fixes> TiDB - Prohibit split table operations on non-integer clustered indexes [#47350](https://github.com/pingcap/tidb/issues/47350) @[tangenta](https://github.com/tangenta)
     - (dup): release-7.1.0.md > Bug fixes> TiDB - Fix the incompatibility issue between the behavior of prepared plan cache and non-prepared plan cache during time conversion [#42439](https://github.com/pingcap/tidb/issues/42439) @[qw4990](https://github.com/qw4990)

releases/release-7.1.2.md

@@ -107,7 +107,7 @@ Quick access: [Quick start](https://docs.pingcap.com/tidb/v7.1/quick-start-with-
     - Fix the issue that DDL operations might get stuck after TiDB is restarted [#46751](https://github.com/pingcap/tidb/issues/46751) @[wjhuang2016](https://github.com/wjhuang2016)
     - Prohibit split table operations on non-integer clustered indexes [#47350](https://github.com/pingcap/tidb/issues/47350) @[tangenta](https://github.com/tangenta)
     - Fix the issue that DDL operations might get permanently blocked due to incorrect MDL handling [#46920](https://github.com/pingcap/tidb/issues/46920) @[wjhuang2016](https://github.com/wjhuang2016)
-    - Fix the issue of duplicate columns in a table caused by `RENAME TABLE` operations [#47064](https://github.com/pingcap/tidb/issues/47064)@[jiyfhust](https://github.com/jiyfhust)
+    - Fix the issue of duplicate rows in `information_schema.columns` caused by renaming a table [#47064](https://github.com/pingcap/tidb/issues/47064) @[jiyfhust](https://github.com/jiyfhust)
     - Fix the panic issue of `batch-client` in `client-go` [#47691](https://github.com/pingcap/tidb/issues/47691) @[crazycs520](https://github.com/crazycs520)
     - Fix the issue that statistics collection on partitioned tables is not killed in time when its memory usage exceeds memory limits [#45706](https://github.com/pingcap/tidb/issues/45706) @[hawkingrei](https://github.com/hawkingrei)
     - Fix the issue that query results are inaccurate when queries contain `UNHEX` conditions [#45378](https://github.com/pingcap/tidb/issues/45378) @[qw4990](https://github.com/qw4990)