云数据库 GaussDB-CREATE OPERATOR CLASS:语法格式

时间:2025-02-12 15:08:27

语法格式

CREATE OPERATOR CLASSname [ DEFAULT ] FOR TYPE data_typeUSING index_method [FAMILY family_name ] AS{  OPERATOR strategy_number operator_name [ (op_type, op_type ) ] [ FOR SEARCH | FOR ORDER BY sort_family_name ]| FUNCTIONsupport_number [ ( op_type [ , op_type ] ) ] function_name ( argument_type [,...] )| STORAGE storage_type} [, ... ]
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