pg_ts_dict #The pg_ts_dict catalog contains entries defining text search dictionaries. A dictionary depends on a text search template, which specifies all the implementation functions needed; the dictionary itself provides values for the user-settable parameters supported by the template. This division of labor allows dictionaries to be created by unprivileged users. The parameters are specified by a text string dictinitoption, whose format and meaning vary depending on the template.
PostgreSQL's text search features are described at length in Chapter 12.
表 52.61. pg_ts_dict 列
|
列 类型 描述 |
|---|
|
行标识符 |
|
文本搜索字典名称 |
|
包含此字典的命名空间的 OID |
|
字典的所有者 |
|
此字典的文本搜索模板的 OID |
|
模板的初始化选项字符串 |
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