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

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    openGauss 2024-07-13 01:01:39
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