About time

21-30 of 200Refresh
Forum
30

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
Forum
30

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
Forum
29

Group by date / time

these expressions (as an extension to JPA) - support of date/time methods (YEAR, MONTH, DAY, HOUR, MINUTE
Forum
29

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
Forum
29

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
Issue
29

several times a day queries take several minutes

take around 10 seconds but sometimes several times a day take around 3-10 minutes
Forum
29

Open several objectdb databases the same time

instances? In embedded mode a database can only be accessed by one process at a time. The server
Forum
29

Java 8 time API

Java 8 time API
Manual
27

JPA Persistable Types

only once even if they are referenced multiple times. Referencing instances of other persistable types from multiple ... .Time, java.sql.Timestamp. Date and time types are discussed in more detail in the next paragraph. Date and Time (Temporal) Types The java.sql date and time classes represent different parts of dates