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".
Methods
coerce
signature(from = "PostgreSQLConnection", to = "PostgreSQLResult"): ...
dbClearResult
signature(res = "PostgreSQLResult"): ...
dbColumnInfo
signature(res = "PostgreSQLResult"): ...
dbGetException
signature(conn = "PostgreSQLResult"): ...
dbGetInfo
signature(dbObj = "PostgreSQLResult"): ...
dbGetRowCount
signature(res = "PostgreSQLResult"): ...
dbGetRowsAffected
signature(res = "PostgreSQLResult"): ...
dbGetStatement
signature(res = "PostgreSQLResult"): ...
dbHasCompleted
signature(res = "PostgreSQLResult"): ...
dbListFields
signature(conn = "PostgreSQLResult", name = "missing"): ...
fetch
signature(res = "PostgreSQLResult", n = "numeric"): ...
fetch
signature(res = "PostgreSQLResult", n = "missing"): ...
## Not run:
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)
## End(Not run)