Here follows a list of the currently known problems with prepared statements:
When converting an integer to string,
ZEROFILL is honored with prepared
statements in some cases where the MySQL server does not print
the leading zeros. (For example, with
When converting a floating-point number to a string in the client, the rightmost digits of the converted value may differ slightly from those of the original value.
Prepared statements do not use the query cache, even in cases where a query does not contain any placeholders. See Section 18.104.22.168, “How the Query Cache Operates”.