repeat
This function repeats str by a number of times according to count. When count is below 1, it returns an empty string. When str or count is NULL, it returns NULL.
Syntax
VARCHAR repeat(VARCHAR str, INT count)
Examples
MySQL > SELECT repeat("a", 3);
+----------------+
| repeat('a', 3) |
+----------------+
| aaa |
+----------------+
MySQL > SELECT repeat("a", -1);
+-----------------+
| repeat('a', -1) |
+-----------------+
| |
+-----------------+
keyword
REPEAT,