About time

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21

EntityManager.refresh takes a long time

EntityManager.refresh takes a long time for entity object Person in this code:     logger.log(Level.INFO, "begin select for person " + new Date().toString());                TypedQuerytime reaches 30 - 40 seconds. Please help to understand why.  Thanks for your help
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21

First persist takes long time

We detected that the first Persist() of an entity take much longer than all subsequent calls. We have a small example (see Appendix) which outputs the following times: First transaction ... " /> Could you explain the long time for first persist? Some operations are only required for a new
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21

log entry date/time

It would be very useful if each entry in the log file has a date/time stamp. Thanks, Carl   Version 2.2.2 adds date/time stamps to the log. Thank you for your suggestion. FastModel
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21

Option or strategy to disable/skip runtime enhancement checks (to improve load time)?

-based compile-time enhancement applied to entity modules (only), so I know these checks ... time) ?     Please provide more information about these checks, such as log messages or stack traces. webel
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21

package.jdo validation error (Connection timed out)

: Connection timed out: connect NestedThrowables: java.net.ConnectException: Connection timed
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21

Post-compilation enhancement vs Automatic Run-time enhancement

We are getting massively different results on field loading between explicit post-compile enhancement and automatic run-time enhancement. Testing exactly where and when the results are different for our demo web app is a very time consuming task, and very difficult, it means testing literally 100s
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21

Retrieve latest entry in a time-series

As mentioned elsewhere, subqueries are not currently supported.  A subquery is the way that seems recommended to get only the latest entry in a time series (e.g. the latest time-clock entry for all employees).   Is there an ObjectDB way to get the latest entry in a series?   The easiest solution
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21

Group by date / time

these expressions (as an extension to JPA) - support of date/time methods (YEAR, MONTH, DAY, HOUR, MINUTE
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21

Issue with compile time enhancement

I have an entity library which I have integrated build time enhancement in.  The enhancer reports it has processed all of my persistent classes.  When I attempt to run a Bootstrap process with this library I get the error shown below.  The entity referenced in the error (Terms) is listed as having
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21

java.time.*

I get errors when trying to persist anything in java.time.* For example LocalDate, Month, Period. Will these be supported sometime in the future?   Java 8 date and tome is not supported yet, except by serialization (which is not recommended and disabled by default). It is introduced in JPA 2.2