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Date and Time in JPQL and Criteria Queries

Date and time expressions may appear in JPQL queries: as time_literals">date and time literals - e.g. {d ... ">parameters - when date and time values are assigned as arguments. as 

Does run time enhancer due to GlassFish/Payara do anything that would affect loaded compile-time entity classes ?

, since you use build time emhancement, but GlassFish invokes it automatically. Currently there is no setting in ObjectDB to disable the enhancer agent ... Q: Does run time enhancer due to GlassFish/Payara do anything that would affect loaded compile-time enhanced entity

find() cost unreasonable time!

cost 24 seconds, why? Result: =========== find time @ 24.125000 getSons time @ 0.000000 1 : type:Nodes, sons:2 child : 2 child : 3 Iterator time @ 0.000000 find time @ 0.000000 getSons time @ 0.000000 2 : type:Nodes, sons:2 child : 4 child : 5

Date field Index is corrupted due to time change

for the fist time. The size of the DB file does not change during the life of the system as it is large ... one time. The load never exceeds more than 5 transactions per 10 seconds. time when Madrid changed clocks one hour back and moved from CEST

java.sql.Time field off by 30 minutes

.sql.Time field. On writing and readback, the field is found to be 30 minutes ... . dont think its a UTC issue. My system is set at far off UTC+30min time.   Here is a revised version that also prints the default time zone (and with some fixes


.persistence">javax.persistence.TemporalTypeTIME Map as java.sql.Time Since: JPA 1.0

JPA Persistable Types

times. Referencing instances of other persistable types from multiple java.sql.Date, java.sql.Time, java.sql.Timestamp. Date and time types are discussed in more detail in the next paragraph. Date and Time


">javax.jdo.ConstantsString PMF_ATTRIBUTE_SERVER_TIME_ZONE_ID The name of the persistence manager factory element's "server-time-zone-id" attribute.


Static Field javax.jdo.ConstantsString PROPERTY_SERVER_TIME_ZONE_ID Mapping "javax


Enum Constant javax.jdo.annotations.VersionStrategyDATE_TIME