from siuba.dply.string import str_c
from sqlalchemy.sql.elements import ClauseElement
from sqlalchemy import sql
@str_c.register(ClauseElement)
def _str_c_sql(x, *args, sep = "", collapse = None) -> ClauseElement:
"""
Example:
"""
if collapse is not None:
raise NotImplementedError("For SQL, collapse argument of str_c not supported")
if sep != "":
raise NotImplementedError('For SQL, sep argument of str_c must be ""')
return sql.func.concat(x, *args)