PG_TS_PARSER
PG_TS_PARSER contains entries defining text search parsers. A parser is responsible for splitting input text into lexemes and assigning a token type to each lexeme. The new parser must be created by the database system administrator.
Table 1 PG_TS_PARSER columns
Name | Type | Reference | Description |
|---|
oid | oid | - | Row identifier (hidden attribute, which must be specified) |
prsname | name | - | Text search parser name |
prsnamespace | oid | PG_NAMESPACE.oid | OID of the namespace that contains the parser |
prsstart | regproc | PG_PROC.proname | Name of the parser's startup function |
prstoken | regproc | PG_PROC.proname | Name of the parser's next-token function |
prsend | regproc | PG_PROC.proname | Name of the parser's shutdown function |
prsheadline | regproc | PG_PROC.proname | Name of the parser's headline function |
prslextype | regproc | PG_PROC.proname | Name of the parser's lextype function |
openGauss 2025-10-30 22:42:51