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docs: fix incorrect column references in AGG_STATE example #2943

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docs: fix incorrect column references in AGG_STATE example #2943

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7 changes: 6 additions & 1 deletion ...docusaurus-plugin-content-docs/version-2.1/table-design/data-model/aggregate.md
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Expand Up @@ -145,7 +145,12 @@ select group_concat_merge(v2) from aggstate;
如果不想要最终的聚合结果，而希望保留中间结果，可以使用 `union` 操作：

```sql
insert into aggstate select 3,sum_union(k2),group_concat_union(k3) from aggstate;
insert into aggstate select 3,sum(v1),group_concat_union(v2) from aggstate;

select sum(v1), group_concat_merge(v2) from aggstate;

select sum(v1), group_concat_merge(v2) from aggstate where k1 != 2;

```

此时表中计算如下：
Expand Down