Function mentat_db::repeat_values
[−]
[src]
pub fn repeat_values(values_per_tuple: usize, tuples: usize) -> String
Prepare an SQL VALUES
block, like (?, ?, ?), (?, ?, ?).
The number of values per tuple determines (?, ?, ?)
. The number of tuples determines (...), (...)
.
Examples
assert_eq!(repeat_values(1, 3), "(?), (?), (?)".to_string()); assert_eq!(repeat_values(3, 1), "(?, ?, ?)".to_string()); assert_eq!(repeat_values(2, 2), "(?, ?), (?, ?)".to_string());