云数据库 GaussDB-CREATE OPERATOR:语法格式

时间:2023-11-01 16:22:10

语法格式

CREATE OPERATOR name (    PROCEDURE = function_name    [, LEFTARG = left_type ] [, RIGHTARG = right_type ]    [, COMMUTATOR = com_op ] [, NEGATOR = neg_op ]    [, RESTRICT = res_proc ] [, JOIN = join_proc ]    [, HASHES ] [, MERGES ])
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