Queries each connected server for the list of columns present in the
specified OMOP CDM table. Returns metadata for each column including
the column name, data type, whether the column is nullable, and
whether it is a concept ID column or a date column.
Usage
ds.omop.columns(table, symbol = "omop", conns = NULL)
Arguments
- table
Character; the CDM table name to introspect (e.g.,
"condition_occurrence", "person").
- symbol
Character; the session symbol (default: "omop").
- conns
DSI connection object(s) or NULL to use the session default.
Value
A named list (one element per server) of data frames with
column metadata such as column_name, data_type,
is_nullable, is_concept, and is_date.
Examples
if (FALSE) { # \dontrun{
cols <- ds.omop.columns("condition_occurrence")
cols$server1
} # }