Lu, Huayi
e6fa411af0
Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com> Co-authored-by: Lu, Huayi <luhuayi@huawei.com> Co-committed-by: Lu, Huayi <luhuayi@huawei.com>
8.4 KiB
PG_TS_PARSER
PG_TS_PARSER records entries defining text search parsers. A parser splits input text into lexemes and assigns a token type to each lexeme. Since a parser must be implemented by C functions, parsers can be created only by database administrators.
Name |
Type |
Reference |
Description |
|---|---|---|---|
oid |
oid |
- |
Row identifier (hidden attribute; must be explicitly selected) |
prsname |
name |
- |
Text search parser name |
prsnamespace |
oid |
PG_NAMESPACE.oid |
OID of the namespace that contains the parser |
prsstart |
regproc |
PG_PROC.oid |
OID of the parser's startup function |
prstoken |
regproc |
PG_PROC.oid |
OID of the parser's next-token function |
prsend |
regproc |
PG_PROC.oid |
OID of the parser's shutdown function |
prsheadline |
regproc |
PG_PROC.oid |
OID of the parser's headline function |
prslextype |
regproc |
PG_PROC.oid |
OID of the parser's lextype function |