Check whether a Opal table exists (and is visible). Optionally check whether the table is a raw table or a view.

opal.table_exists(opal, project, table, view = NA)

Arguments

opal

Opal connection object.

project

Project name where the table is located.

table

Table name.

view

Logical to perform an additional check whether the table is a view (TRUE) or a raw table (FALSE). If NULL or NA, the table can be indifferently a view or a raw table. Default is NA.

See also

Examples

if (FALSE) { o <- opal.login('administrator','password', url='https://opal-demo.obiba.org') # check table exists opal.table_exists(o, "CNSIM", "CNSIM1") # check table exists AND is a NOT a view opal.table_exists(o, "CNSIM", "CNSIM1", view = FALSE) # check table exists AND is a view opal.table_exists(o, "CNSIM", "CNSIM1", view = TRUE) opal.logout(o) }