linghengqian commented on code in PR #37421:
URL: https://github.com/apache/shardingsphere/pull/37421#discussion_r2629934072
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docs/document/content/user-manual/shardingsphere-jdbc/optional-plugins/clickhouse/_index.en.md:
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@@ -170,27 +170,15 @@ public class ExampleUtils {
ShardingSphere JDBC DataSource does not yet support executing ClickHouse's
`create table`, `truncate table`,
and `drop table` statements.
-Users should consider submitting a PR containing unit tests for ShardingSphere.
+The current ShardingSphere parsing of ClickHouse's `INNER JOIN` syntax has
shortcomings,
+and may return incorrect query results for SQL statements such as `SELECT i.*
FROM t_order o, t_order_item i WHERE o.order_id = i.order_id`.
Review Comment:
I don't think we need to worry about the text syntax issues in the comments;
they're temporary.
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docs/document/content/user-manual/shardingsphere-jdbc/optional-plugins/clickhouse/_index.cn.md:
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@@ -167,24 +167,14 @@ public class ExampleUtils {
### SQL 限制
ShardingSphere JDBC DataSource 尚不支持执行 ClickHouse 的 `create table`，`truncate
table` 和 `drop table` 语句。
-用户应考虑为 ShardingSphere 提交包含单元测试的 PR。
+当前 ShardingSphere 对 ClickHouse 的 `INNER JOIN` 语法解析存在不足，
+对 `SELECT i.* FROM t_order o, t_order_item i WHERE o.order_id = i.order_id` 这类
SQL 可能返回错误的查询结果。
Review Comment:
I don't think we need to worry about the text syntax issues in the comments;
they're temporary.
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