数据仓库服务 GAUSSDB(DWS)-CREATE BLOCK RULE:语法格式

时间:2024-09-05 10:32:04

语法格式

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CREATE BLOCK RULE [ IF NOT EXISTS ] block_name
    [ [ TO user_name@'host' ] | [ TO user_name ] | [ TO 'host' ] ] |
    [ FOR UPDATE | SELECT | INSERT | DELETE | MERGE ] |
    FILTER BY
    { SQL ( 'text' ) | TEMPLATE ( template_parameter = value ) }
    [ WITH ( { with_parameter = value }, [, ... ] ) ];
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