Regression: (boolean) parameters as search condition no longer allowed
----------------------------------------------------------------------
Key: CORE-5367
URL: http://tracker.firebirdsql.org/browse/CORE-5367
Project: Firebird Core
Issue Type: Bug
Components: Engine
Affects Versions: 3.0.1
Reporter: Mark Rotteveel
In Jaybird I have a test (org.firebirdsql.jdbc.TestBooleanSupport) for
the Firebird 3 boolean support that is now broken with 3.0.1 (for
testSelect_ConditionOnly_null, testSelect_ConditionOnly_true and
testSelect_ConditionOnly_false.
The test uses the table:
CREATE TABLE withboolean ( id INTEGER, bool BOOLEAN )
and prepares a statement:
SELECT id, bool FROM withboolean WHERE ?
this now fails with the error:
Dynamic SQL Error; SQL error code = -104; Invalid usage of boolean
expression [SQLState:22000, ISC error code:335545023]
This worked fine in earlier 3.0 versions, at least since the 11th of
August 2013 when I created these tests.
A boolean parameter like this is allowed according to the SQL standard:
<where clause> ::=
WHERE <search condition>
<search condition> ::=
<boolean value expression>
<boolean value expression> ::=
<boolean term>
| ...
<boolean term> ::=
<boolean factor>
| ...
<boolean factor> ::=
[ NOT ] <boolean test>
<boolean test> ::=
<boolean primary> [ IS [ NOT ] <truth value> ]
<boolean primary> ::=
...
| <boolean predicand>
<boolean predicand> ::=
...
| <nonparenthesized value expression primary>
<nonparenthesized value expression primary> ::=
<unsigned value specification>
| ...
<unsigned value specification> ::=
...
| <general value specification>
<general value specification> ::=
...
| <dynamic parameter specification>
| ...
<dynamic parameter specification> ::=
<question mark>
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