Hello,
FB3.0.8.22506 (Dialect 3) Firebird defines a follow result types for Negate operation: -SMALLINT_COLUMN has result type SMALLINT -INTEGER_COLUMN has result type INTEGER As result, I see a work like this: SQL> create table TTT2 (COL_SMALLINT SMALLINT); SQL> insert into TTT2 values(-32768); SQL> select -COL_SMALLINT from TTT2; ======= Statement failed, SQLSTATE = 22003 Integer overflow. The result of an integer operation caused the most significant bit of the result to carry. It is OK? Dmitry Kovalenko.
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