Postgresql 中文操作指南
53.60. pg_ts_config_map #
pg_ts_config_map 目录中包含的条目显示应咨询哪些文本搜索词典，以及对每个文本搜索配置的解析器的每个输出令牌类型以何种顺序咨询词典。
The pg_ts_config_map catalog contains entries showing which text search dictionaries should be consulted, and in what order, for each output token type of each text search configuration’s parser.
PostgreSQL 的文本搜索功能在 Chapter 12 中有详细的描述。
PostgreSQL’s text search features are described at length in Chapter 12.
Table 53.60. pg_ts_config_map Columns
Table 53.60. pg_ts_config_map Columns
Column Type Description |
mapcfg oid (references pg_ts_config.oid) The OID of the pg_ts_config entry owning this map entry |
maptokentype int4 A token type emitted by the configuration’s parser |
mapseqno int4 Order in which to consult this entry (lower _mapseqno_s first) |
mapdict oid (references pg_ts_dict.oid) The OID of the text search dictionary to consult |