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 ...
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...
What is a Document? Basic Text Matching Configurations Comparing Greenplum Database Text Search with Tanzu Greenplum Text This topic provides an overview of Greenplum Database...
Synopsis Description Parameters Notes Compatibility See Also Defines a new text search configuration. Synopsis CREATE TEXT SEARCH CONFIGURATION <name> ( PARSER =...
ALTER TEXT SEARCH DICTIONARY 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 DICTIONARY 功能描述 修改全文检索词典的相关定义,包括参数、名称、所有者以及模式等。 注意事项 预定义词典不支持ALTER操作。 只有词典的所有者可以执行ALTER操作,系统...
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 ...
Full-text search Match Syntax Example 1: Search the message field for the text “this is a test”: Example 2: Search the message field with the operator parameter: Example 3: S...
Synopsis Description Parameters Examples Compatibility See Also Removes a text search configuration. Synopsis DROP TEXT SEARCH CONFIGURATION [ IF EXISTS ] <name> [ ...