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new 335b619839 [core] Correct doc for partial-update sequence group
335b619839 is described below
commit 335b619839f61da0301a1c552b2d1d69649ee189
Author: JingsongLi <[email protected]>
AuthorDate: Thu Aug 20 16:25:39 2026 +0800
[core] Correct doc for partial-update sequence group
---
docs/docs/primary-key-table/merge-engine/partial-update.md | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/docs/docs/primary-key-table/merge-engine/partial-update.md
b/docs/docs/primary-key-table/merge-engine/partial-update.md
index 48aaf273cf..74a9013c5d 100644
--- a/docs/docs/primary-key-table/merge-engine/partial-update.md
+++ b/docs/docs/primary-key-table/merge-engine/partial-update.md
@@ -158,8 +158,9 @@ You can specify aggregation function for the input field,
all the functions in t
**Sequence-group behavior changes when aggregate functions are involved.**
-Without aggregate functions, a sequence-group field acts as a **version
filter**: incoming records whose
-sequence value does not exceed the stored value are ignored for the associated
columns.
+Without aggregate functions, a sequence-group field acts as a **version
filter**: an incoming sequence value
+that is newer than or equal to the stored value replaces the sequence fields
and every protected field, including
+with NULL values. Only records with an older sequence value are ignored for
the group.
With aggregate functions, the sequence-group field acts as an **ordering
key**: every incoming record with
a non-NULL sequence value participates in the aggregation, regardless of
whether its sequence value is
