[GitHub] [incubator-shardingsphere-doc] terrymanu commented on a change in pull request #393: Add description for Do not support shardingColumn in expressions and …

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terrymanu commented on a change in pull request #393: Add description for Do not support shardingColumn in expressions and …
URL: https://github.com/apache/incubator-shardingsphere-doc/pull/393#discussion_r360416881
 
 

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 File path: document/current/content/features/sharding/use-norms/sql.cn.md
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 @@ -109,6 +124,7 @@ SELECT COUNT(*) FROM (SELECT * FROM t_order o WHERE o.id IN (SELECT id FROM t_or
 | SELECT * FROM tbl_name1 UNION ALL SELECT * FROM tbl_name2                                  | UNION ALL                  |
 | SELECT * FROM ds.tbl_name1                                                                 | 包含schema                 |
 | SELECT SUM(DISTINCT col1), SUM(col1) FROM tbl_name                                         | 详见DISTINCT支持情况详细说明 |
+| SELECT * FROM tbl_name1 WHERE abs(col1) = ?                                                | 不支持运算表达式和函数中的分片键|
 
 Review comment:
   The actual mean is not unsupported the SQL, the description should be cannot sharding, just for full route to all data nodes.  

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