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.
Table 47-48. pg_ts_dict Columns
|oid||oid||Row identifier (hidden attribute; must be explicitly selected)|
|dictname||name||Text search dictionary name|
|dictnamespace||oid||pg_namespace.oid||The OID of the namespace that contains this dictionary|
|dictowner||oid||pg_authid.oid||Owner of the dictionary|
|dicttemplate||oid||pg_ts_template.oid||The OID of the text search template for this dictionary|
|dictinitoption||text||Initialization option string for the template|
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