As by reading the spec, especially the section 4.14 BNF (BNF for the Java
Persistence query language) it states:
anonymous wrote :
| ...
| single_valued_path_expression ::=
| state_field_path_expression | single_valued_association_path_expression
| state_field_path_expression ::=
| {identification_variable |
single_valued_association_path_expression}.state_field
| single_valued_association_path_expression ::=
| identification_variable.{single_valued_association_field.}*
single_valued_association_field
| ...
| constructor_expression ::=
| NEW constructor_name ( constructor_item {, constructor_item}* )
| constructor_item ::= single_valued_path_expression | aggregate_expression
| aggregate_expression ::=
| { AVG | MAX | MIN | SUM } ([DISTINCT] state_field_path_expression) |
| COUNT ([DISTINCT] identification_variable | state_field_path_expression |
| single_valued_association_path_expression)
| ...
|
As per this I'm not sure whether complex types likes dates and timestamps are
supported to be used in constructor expressions.
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