PDO::pgsqlCopyFromFile Copy data from file into table &reftitle.description; public bool PDO::pgsqlCopyFromFile stringtable_name stringfilename stringdelimiter'\t' stringnull_as"\\\\N" stringfields Copies data from file specified by filename into table table_name using delimiter as fields delimiter and fields list &reftitle.parameters; table_name String containing table name filename Filename containing data to import delimiter Delimiter used in file specified by filename null_as How to interpret null values fields List of fields to insert &reftitle.returnvalues; Returns &true; on success,&return.falseforfailure;.