ALTER TEXT SEARCH CONFIGURATION 功能描述 注意事项 语法格式 参数说明 示例 相关链接 ALTER TEXT SEARCH CONFIGURATION 功能描述 更改文本搜索配置的定义。用户可以将映射从字串类型调整为字典,或者改变配置的名称或者所有者,或者修改搜索配置的配置参数。 ADD MAPPING ...
Search Relevance Stats API Example request Example response Response fields The data.search_relevance object Search Relevance Stats API Introduced 2.7 The Search Relevance...
Description Synopsis Description Parameters Compatibility See Also Description Defines a new text search parser. Synopsis CREATE TEXT SEARCH PARSER name ( START =...
Configuration Testing Parser Testing Dictionary Testing This topic introduces the Greenplum Database functions you can use to test and debug a search configuration or the indiv...
Manipulating Documents Manipulating Queries Rewriting Queries Gathering Document Statistics Greenplum Database has additional functions and operators you can use to manipulate...