if not create: raise

        return put(db, table, row, pkey, row_ct_ref) # insert new row

    '''Recovers from errors.

    Only works under PostgreSQL (uses INSERT RETURNING).

    @return Name of the table where the pkeys (from INSERT RETURNING) are made

    pkeys_table = clean_name(out_table)+'_pkeys'

    def insert_():

        return insert_select(db, out_table, out_cols,

            returning=pkey, into=pkeys_table, recover=True,

            table_is_esc=table_is_esc)

    try: