2022-03-04 08:39:12 +00:00
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---
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2022-08-26 19:07:59 +00:00
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slug: /zh/sql-reference/statements/alter/row-policy
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2022-04-10 23:08:18 +00:00
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sidebar_position: 47
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sidebar_label: 行策略
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2022-03-04 08:39:12 +00:00
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---
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2022-03-04 08:41:07 +00:00
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# 操作行策略 {#alter-row-policy-statement}
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2022-03-04 08:39:12 +00:00
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2022-03-04 08:41:07 +00:00
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修改行策略.
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2022-03-04 08:39:12 +00:00
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2022-03-04 08:41:07 +00:00
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语法:
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2022-03-04 08:39:12 +00:00
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``` sql
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ALTER [ROW] POLICY [IF EXISTS] name1 [ON CLUSTER cluster_name1] ON [database1.]table1 [RENAME TO new_name1]
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[, name2 [ON CLUSTER cluster_name2] ON [database2.]table2 [RENAME TO new_name2] ...]
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[AS {PERMISSIVE | RESTRICTIVE}]
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[FOR SELECT]
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[USING {condition | NONE}][,...]
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[TO {role [,...] | ALL | ALL EXCEPT role [,...]}]
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```
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