Row-bind two schema-identical server-side omop.table data frames

Stacks two server-side, token-keyed data frames that share an identical set of column names. The server re-gates the bound result on its DISTINCT person count: because the gate counts distinct persons rather than rows, binding a frame to itself cannot inflate the count and the result is still blocked when it covers too few individuals.

Usage

ds.omop.bind_rows(x = NULL, y, newobj = NULL, symbol = "omop", conns = NULL)

Arguments

x

Character; name of the first (top) server-side omop.table symbol. If NULL (the default), the session's most recently produced output symbol is used.

y

Character; name of the second (bottom) server-side omop.table symbol (must have identical column names to x server-side).

newobj

Character; name of the server-side symbol to create. If NULL (default), a unique name is generated.

symbol

Character; the session symbol used when the OMOP connection was initialised (default: "omop").

conns

DSI connection object(s). If NULL (the default), the connections stored in the active session are used.

Value

Invisibly, the name of the created server-side symbol (newobj).

See also

ds.omop.merge

Examples

if (FALSE) { # \dontrun{
stacked <- ds.omop.bind_rows("wave1", "wave2")
} # }