db.objects {PivotalR} | R Documentation |
This function lists all the existing tables and views in a database, together with their schema names
db.objects(search = NULL, conn.id = 1)
search |
A string, default is |
conn.id |
An integer, default is 1. The ID of the database connection. |
A character array. Each element has the format of 'schema_name.table_name'.
Author: Predictive Analytics Team at Pivotal Inc.
Maintainer: Frank McQuillan, Pivotal Inc. fmcquillan@pivotal.io
db.connect
creates a connection to a database.
db.existsObject
tests whether an object exists in the database
## Not run: ## set up the database connection ## Assume that .port is port number and .dbname is the database name cid <- db.connect(port = .port, dbname = .dbname, verbose = FALSE) ## create a table using as.db.data.frame delete("abalone", conn.id = cid) x <- as.db.data.frame(abalone, "abalone", conn.id = cid) db.objects(conn.id = cid) # list all tables/views ## list all tables/views start with "madlibtestdata.lin" ## where "madlibtestdata" is the schema name db.objects("^madlibtestdata.lin", cid) db.disconnect(cid, verbose = FALSE) ## End(Not run)