9.3.8 BIGINT

The JDBC type BIGINT represents a 64-bit signed integer value between -9223372036854775808 and 9223372036854775807.
The corresponding SQL type BIGINT is a nonstandard extension to SQL. In practice the SQL BIGINT type is not yet currently implemented by any of the major databases, and we recommend that its use be avoided in code that is intended to be portable.
The recommended Java mapping for the BIGINT type is as a Java long.