Des informations sur les objets de configuration de la recherche plein texte peuvent être obtenues dans psql en utilisant l'ensemble de commandes :
Types d'index GiST et GIN
\dF{d,p,t}[+] [MODÈLE]
Un + supplémentaire affiche plus de détails.
Le paramètre MODÈLE doit être le nom d'un objet de la recherche plein texte, pouvant être qualifié du nom du schéma. Si MODÈLE est omis, alors l'information sur tous les objets visibles est affichée. MODÈLE peut être une expression rationnelle et peut fournir des modèles séparés pour les noms du schéma et de l'objet. Les exemples suivants illustrent ceci :
=> \dF *fulltext*
List of text search configurations
Schema | Name | Description
--------+--------------+-------------
public | fulltext_cfg |
=> \dF *.fulltext*
List of text search configurations
Schema | Name | Description
----------+----------------------------
fulltext | fulltext_cfg |
public | fulltext_cfg |
Les commandes suivantes sont :
\dF[+] [MODÈLE]
Liste les configurations de recherche plein texte (ajouter + pour plus de détails).
=> \dF russian
List of text search configurations
Schema | Name | Description
------------+---------+------------------------------------
pg_catalog | russian | configuration for russian language
=> \dF+ russian
Text search configuration "pg_catalog.russian"
Parser: "pg_catalog.default"
Token | Dictionaries
-----------------+--------------
asciihword | english_stem
asciiword | english_stem
email | simple
file | simple
float | simple
host | simple
hword | russian_stem
hword_asciipart | english_stem
hword_numpart | simple
hword_part | russian_stem
int | simple
numhword | simple
numword | simple
sfloat | simple
uint | simple
url | simple
url_path | simple
version | simple
word | russian_stem
\dFd[+] [MODÈLE]
Liste les dictionnaires de recherche plein texte (ajouter + pour plus de détails).
=> \dFd
List of text search dictionaries
Schema | Name | Description
------------+-----------------+-----------------------------------------------------------
pg_catalog | danish_stem | snowball stemmer for danish language
pg_catalog | dutch_stem | snowball stemmer for dutch language
pg_catalog | english_stem | snowball stemmer for english language
pg_catalog | finnish_stem | snowball stemmer for finnish language
pg_catalog | french_stem | snowball stemmer for french language
pg_catalog | german_stem | snowball stemmer for german language
pg_catalog | hungarian_stem | snowball stemmer for hungarian language
pg_catalog | italian_stem | snowball stemmer for italian language
pg_catalog | norwegian_stem | snowball stemmer for norwegian language
pg_catalog | portuguese_stem | snowball stemmer for portuguese language
pg_catalog | romanian_stem | snowball stemmer for romanian language
pg_catalog | russian_stem | snowball stemmer for russian language
pg_catalog | simple | simple dictionary: just lower case and check for stopword
pg_catalog | spanish_stem | snowball stemmer for spanish language
pg_catalog | swedish_stem | snowball stemmer for swedish language
pg_catalog | turkish_stem | snowball stemmer for turkish language
\dFp[+] [MODÈLE]
Liste les analyseurs de recherche plein texte (ajouter + pour plus de détails).
=> \dFp
List of text search parsers
Schema | Name | Description
------------+---------+---------------------
pg_catalog | default | default word parser
=> \dFp+
Text search parser "pg_catalog.default"
Method | Function | Description
-----------------+----------------+-------------
Start parse | prsd_start |
Get next token | prsd_nexttoken |
End parse | prsd_end |
Get headline | prsd_headline |
Get token types | prsd_lextype |
Token types for parser "pg_catalog.default"
Token name | Description
-----------------+------------------------------------------
asciihword | Hyphenated word, all ASCII
asciiword | Word, all ASCII
blank | Space symbols
email | Email address
entity | XML entity
file | File or path name
float | Decimal notation
host | Host
hword | Hyphenated word, all letters
hword_asciipart | Hyphenated word part, all ASCII
hword_numpart | Hyphenated word part, letters and digits
hword_part | Hyphenated word part, all letters
int | Signed integer
numhword | Hyphenated word, letters and digits
numword | Word, letters and digits
protocol | Protocol head
sfloat | Scientific notation
tag | HTML tag
uint | Unsigned integer
url | URL
url_path | URL path
version | Version number
word | Word, all letters
(23 rows)
\dFt[+] [MODÈLE]
Liste les modèles de recherche plein texte (ajouter + pour plus de détails).
=> \dFt
List of text search templates
Schema | Name | Description
------------+-----------+-----------------------------------------------------------
pg_catalog | ispell | ispell dictionary
pg_catalog | simple | simple dictionary: just lower case and check for stopword
pg_catalog | snowball | snowball stemmer
pg_catalog | synonym | synonym dictionary: replace word by its synonym
pg_catalog | thesaurus | thesaurus dictionary: phrase by phrase substitution