rs_create_table/rs_upsert_table error

[xushuhere]

Error: Expecting a single string value: [type=character; extent=2].

14.
stop(structure(list(message = "Expecting a single string value: [type=character; extent=2].", call = NULL, cppstack = NULL), class = c("Rcpp::not_compatible", "C++Error", "error", "condition")))
13.
result_create(conn@ptr, statement)
12.
initialize(value, ...)
11.
initialize(value, ...)
10.
new("PqResult", conn = conn, ptr = result_create(conn@ptr, statement), sql = statement, bigint = conn@bigint)
9.
.local(conn, statement, ...)
8.
dbSendQuery(conn, statement, ...)
7.
dbSendQuery(conn, statement, ...)
6.
dbSendStatement(conn, statement, ...)
5.
dbSendStatement(conn, statement, ...)
4.
dbExecute(dbcon, query)
3.
dbExecute(dbcon, query)
2.
queryStmt(dbcon, tableSchema)
1.
rs_create_table(iris, dbcon = con, table_name = in_schema("xxxx", table_name), bucket = config$redshift$redshift_bucket, split_files = 1)