RPostgreSQL (version 0.2-0)

PostgreSQLResult-class: Class PostgreSQLResult

Description

PostgreSQL's query results class. This classes encapsulates the result of an SQL statement (either select or not).

Generators

The main generator is dbSendQuery.

Extends

Class "DBIResult", directly. Class "PostgreSQLObject", directly. Class "DBIObject", by class "DBIResult". Class "dbObjectId", by class "PostgreSQLObject".

References

See the Database Interface definition document DBI.pdf in the base directory of this package or http://developer.r-project.org/db

See Also

DBI base classes:

DBIObject-class DBIDriver-class DBIConnection-class DBIResult-class

PostgreSQL classes:

PostgreSQLObject-class PostgreSQLDriver-class PostgreSQLConnection-class PostgreSQLResult-class

Examples

drv <- dbDriver("PostgreSQL")
con <- dbConnect(drv, dbname = "template1")
## rs is the result set
rs <- dbSendQuery(con,"select * from sales")
## display the first three values of result set
fetch(rs,n=3)