Append cohort data from multiple cohort tables.
appendCohortTables(
connectionDetails = NULL,
connection = NULL,
sourceTables,
targetCohortDatabaseSchema = NULL,
targetCohortTable,
isTempTable = FALSE,
tempEmulationSchema = getOption("sqlRenderTempEmulationSchema")
)Nothing is returned
An object of type connectionDetails as created using the
createConnectionDetails function in the
DatabaseConnector package. Can be left NULL if connection is
provided.
An object of type connection as created using the
connect function in the
DatabaseConnector package. Can be left NULL if connectionDetails
is provided, in which case a new connection will be opened at the start
of the function, and closed when the function finishes.
A data.frame object with the columns sourceCohortDatabaseSchema, sourceCohortTableName.
Schema name where your target cohort tables reside. Note that for SQL Server, this should include both the database and schema name, for example 'scratch.dbo'.
The name of the target cohort table.
Is the output a temp table. If yes, a new temp table is created. This will required an active connection. Any old temp table is dropped and replaced.
Some database platforms like Oracle and Impala do not truly support temp tables. To emulate temp tables, provide a schema with write privileges where temp tables can be created.