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

时间:2024-11-02 18:52:15

语法格式

CREATE OPERATOR CLASS
name [ DEFAULT ] FOR TYPE data_type
USING index_method [
FAMILY family_name ] AS
{  OPERATOR strategy_number operator_name [ (
op_type, op_type ) ] [ FOR SEARCH | FOR ORDER BY sort_family_name ]
| FUNCTION
support_number [ ( op_type [ , op_type ] ) ] function_name ( argument_type [,
...] )
| STORAGE storage_type
} [, ... ]
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