dbGetInfo,DatabaseConnectorDriver-method {DatabaseConnector} | R Documentation |
Get DBMS metadata
Description
Retrieves information on objects of class DBIDriver, DBIConnection or DBIResult.
Usage
## S4 method for signature 'DatabaseConnectorDriver'
dbGetInfo(dbObj, ...)
Arguments
dbObj |
An object inheriting from DBIObject, i.e. DBIDriver, DBIConnection, or a DBIResult |
... |
Other arguments to methods. |
Value
For objects of class DBIDriver, dbGetInfo()
returns a named list
that contains at least the following components:
-
driver.version
: the package version of the DBI backend, -
client.version
: the version of the DBMS client library.
For objects of class DBIConnection, dbGetInfo()
returns a named list
that contains at least the following components:
-
db.version
: version of the database server, -
dbname
: database name, -
username
: username to connect to the database, -
host
: hostname of the database server, -
port
: port on the database server. It must not contain apassword
component. Components that are not applicable should be set toNA
.
For objects of class DBIResult, dbGetInfo()
returns a named list
that contains at least the following components:
-
statatment
: the statement used withdbSendQuery()
ordbExecute()
, as returned bydbGetStatement()
, -
row.count
: the number of rows fetched so far (for queries), as returned bydbGetRowCount()
, -
rows.affected
: the number of rows affected (for statements), as returned bydbGetRowsAffected()
-
has.completed
: a logical that indicates if the query or statement has completed, as returned bydbHasCompleted()
.
See Also
Other DBIDriver generics:
DBIDriver-class
,
dbCanConnect()
,
dbConnect()
,
dbDataType()
,
dbDriver()
,
dbIsReadOnly()
,
dbIsValid()
,
dbListConnections()
Other DBIConnection generics:
DBIConnection-class
,
dbAppendTable()
,
dbCreateTable()
,
dbDataType()
,
dbDisconnect()
,
dbExecute()
,
dbExistsTable()
,
dbGetException()
,
dbGetQuery()
,
dbIsReadOnly()
,
dbIsValid()
,
dbListFields()
,
dbListObjects()
,
dbListResults()
,
dbListTables()
,
dbReadTable()
,
dbRemoveTable()
,
dbSendQuery()
,
dbSendStatement()
,
dbWriteTable()
Other DBIResult generics:
DBIResult-class
,
dbBind()
,
dbClearResult()
,
dbColumnInfo()
,
dbFetch()
,
dbGetRowCount()
,
dbGetRowsAffected()
,
dbGetStatement()
,
dbHasCompleted()
,
dbIsReadOnly()
,
dbIsValid()
,
dbQuoteIdentifier()
,
dbQuoteLiteral()
,
dbQuoteString()
,
dbUnquoteIdentifier()