%Library.AbstractForeignTable
abstract class %Library.AbstractForeignTable
Parameters
parameter COLUMNS;
String of header names for FILE foreign tables to specify column order in the header
parameter COLUMNSTYPES;
Types specified in the COLUMNS clause; included for parity with LOAD DATA
parameter NUMCOLUMNS;
Number of columns in the table (IRIS side)
parameter PREDICATEPUSHDOWN;
Does this FT support predicated pushdown; taken from SERVER
parameter PROJECTEDBY;
Name of the class that projects this foreign table
parameter QUERY;
Optional user-specified query to send to the external DB
parameter SERVER;
Name of the server this foreign table belongs to
parameter TABLE;
Name of the table as it exists in the external data source
parameter USING;
USING clause at CREATE time
parameter VALUES;
Comma-delimited string of column names as they exist in the external table