Merge release 2.15.1 into 2.16.x #265
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…iven to `Predicate#expression()`
Around `laminas/laminas-db:2.10.1`, a regression was introduced, in which calling
`Laminas\Db\Sql\Predicate#expression("an_expression()")` led to crashes like following
in downstream consumers:
```
Laminas\Db\Sql\Exception\RuntimeException: The number of replacements in the expression does not match the number of parameters
vendor/laminas/laminas-db/src/Sql/Expression.php:151
vendor/laminas/laminas-db/src/Sql/Predicate/PredicateSet.php:178
vendor/laminas/laminas-db/src/Sql/Predicate/PredicateSet.php:178
vendor/laminas/laminas-db/src/Sql/Predicate/PredicateSet.php:178
vendor/laminas/laminas-db/src/Sql/AbstractSql.php:129
vendor/laminas/laminas-db/src/Sql/Select.php:633
```
This was because predicates were initialized with an `array{null}` by
default, when expressions like `$sql->where->expression("some_expression()")`
were used.
The usage of `$sql->where->expression("some_expression()", "foo")` remains
unchanged with this patch.
This fix targets `2.15.x`, and attempts to make predicates safe to use when no
parameters have been given.
While an existing test has indeed been changed, this shouldn't have any effect for
downstream consumers, since `Predicate#expression(string)` didn't work (so far)
anyway, due to the kind of crash highlighted above.
…d-not-have-values-to-be-bound-when-none-given Fix: prevent bound parameters being `[null]` when no parameters are given to `Predicate#expression()`
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Release Notes for 2.15.1
2.15.x bugfix release (patch)
2.15.1
Bug
[null]when no parameters are given toPredicate#expression()thanks to @Ocramius