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Sleep

Sleeps seconds seconds on each data block.

!!! warning Only used for testing where sleep is required.

Syntax​

sleep(seconds)

Arguments​

ArgumentsDescription
secondsMust be a constant column of any nonnegative number or float.｜

Return Type​

UInt8

Examples​

mysql> SELECT sleep(2);
+----------+
| sleep(2) |
+----------+
|        0 |
+----------+
1 row in set (2.01 sec)

mysql> SELECT sleep(2.7);
+------------+
| sleep(2.7) |
+------------+
|          0 |
+------------+
1 row in set (2.71 sec)