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1-50 of 200 resultsDate and Time in JPQL and Criteria Queries JPQL current date and time functions. Current Date and Time JPA defines special JPQL expressions that are evaluated to the date and time on the database server when the query is executed: CURRENT _ DATE - is evaluated to the current date (a java.sql. Date instance). CURRENT _TIME - is evaluated | |
Number of current connections Is there any way to find out the number of current connections to the DB server? natmaclin Natalia Levine Currently not. You may subscribe to this feature request and update it according to your needs. support Support | |
Is there an API to get the current version of ObjectDB that's being used? Is there an API to get the current version of ObjectDB that's being used? This would be very handy to have, because it is somewhat difficult to know what version of the ObjectDB you are currently using since the objectdb.jar filename remains the same for all versions (which is not a bad thing by | |
Internal exception when updating date filed (TemporalType.DATE) Hello! ObjectDB version 2.5.3_02. I get internal exception when commiting update Date field (javax.persistence.TemporalType. DATE ). [ObjectDB 2.5.3_02] javax.persistence.RollbackException Failed ... ; List dates = new ArrayList (); calendar.set(1980, 2, 1 | |
Query filter comparing Dates Hi, I am using an indexed java.util. Date field in my Entity and I came across some weird behaviour in query filters comparing this Date field. Could You please clarify why are there zero-size result ... am comparing 2 dates which should be equal because they are showing exactly same inner millisecond count | |
JPA Persistable Types, Date and Math types. Multi value types - Collections, Maps and Arrays. Miscellaneous types: Enum ... , java.math.BigDecimal . java.lang.String . java.util. Date , java.util.Calendar , java.sql. Date , java.sql.Time , java.sql.Timestamp . Date and time types are discussed in more detail in | |
Date field Index is corrupted due to time change the bug, which affects indexes on pure Date fields (i.e. date with no time). ObjectDB converts pure date values between local time and UTC more than once during transaction commit, and on clock ... that records are being added to the DB at the time of the time change. However, what values in the date | |
How to add minutes to a Date with JPA2 than the current date . My idea is as follows: Calendar currentTime = Calendar.getInstance(); Date currenteDate ... ); //minutes to be added I must now sum to the dateCapture the delayMinute and verify that the current date ... ); How to do!! faber Faber Wouldn't it be more simple to subtract the delay from the current date and send | |
java.sql.Date equals comparison not working with CriteriaAPI Hello, Using ODB 2.4.5 and the Criteria API, doing a simple equals comparison with java.sql. Date ... = ...; Root root = ...; java.sql. Date myDate = ...; Predicate predicate = builder.equal(root ... : We can currently not update the ODB version as this is a production system. Note also that doing | |
Grouping by date() Hi, For some time now we can use date and time function in queries to extract part of date time ... have to group by date (). For few queries I was concatenating ' date ' from year()-month()-day() calls ... to add one more method to above list - date () - that will return only date from java.util. Date | |
Problem with 'where' and date() Hi, Today I was playing with some date -range queries in explorer and found a small problem. When you try to use queries like this: SELECT o from TestObject o where o. date :someDate where o. date is java.util. Date , 'where' doesn't work as it should. Results are not filtered by date | |
GWT RPC is throwing serialization exception when I have object db date value Caused by: com.google.gwt.user.client.rpc.SerializationException: Type 'objectdb.java.util. Date ... ; kpanda ganesh gothai The objectdb.java.util. Date class is a subclass of java.util. Date ... this is not sufficient for GWT because Date is a special data type. You may have a similar | |
Wrong data stored in date only fileds Hi, we have an object with the following fields: private Date startDateTime; // Time stamp: start of recording in local time zone private Date startDate; // Date : date part of startDateTime private Date startTime; // Time: time part of startDateTime @Basic(optional = false) @Temporal | |
Dates Question on dates . SQL doesn't seem to store timezone with dates (oddly). So, any best practises with ODB? 1. use java.util. Date 2. Milliseconds since January 1, 1970, 00:00:00 GMT 3. other? dmoshal David Moshal When a Date instance is stored in an ObjectDB database it is converted automatically | |
Entity with java.util.Date column gives ClassCastException in BIRT a simple JPQL query to select the fields. Entity looks like this: package entity; import java.util. Date ... ; @Temporal(value = TemporalType. DATE ) private Date birthdate; /**   ... ; */ public Date getBirthdate() {   | |
Group by date / time. Each entity has it's own field that holds java.lang. Date . There is no function like YEAR(), MONTH ... WHERE YEAR(record_ date ) = 2009 GROUP BY YEAR(record_ date ), MONTH(record_ date ) or maybe something like this: SELECT COUNT(id) FROM stats WHERE YEAR(record_ date ) = 2009 GROUP BY DATE _FORMAT(record_ date | |
How to store and compare Date up to sec. How to store and compare date up to sec? By default it stores the dates like "23 May, 2020 10:25:23:112 AM" means date and timestamp including milisec but I want to store till sec("23 May, 2020 10:25:23 AM") like MySql and other db. They stores the date up to sec. Manoj Manoj | |
Auto Date for Creation and Update Date gets updated once only and the change Date on each change? It seems for hibernate there Are annotations for it for Dates and also prepersist and preupdate. How about with objectdb ... these time/ date fields in a JPA lifecycle event methods . support Support Hi, Using the proposed solution I | |
com.objectdb.o.InternalException: java.lang.NoClassDefFoundError: java/sql/Date.NoClassDefFoundError: java/sql/ Date java.lang.NoClassDefFoundError: java/sql/ Date at objectdb/com ... .JavaObjectDBApp.main(JavaObjectDBApp.java:14) Caused by: java.lang.ClassNotFoundException: java.sql. Date ... is ... module ObjectDBTest { requires objectdb; } This is perplexing because java.sql. Date comes with the JDK | |
EnumConstRef jakarta.persistence.TemporalType.DATE JPA Enum Constant in jakarta.persistence.TemporalType DATE Map as java.sql. Date Since: JPA 1.0 | |
FieldRef jakarta.persistence.criteria.LocalDateTimeField | |
Query Parameters in JPA rather than just three is that JPA additionally provides three separate methods for setting Date , parameters as well as three separate methods for setting Calendar parameters. Date and Calendar parameter values require special methods in order to specify what they represent, such as a pure date , a pure time | |
Literals in JPQL and Criteria Queries literals (e.g. 077 , 077L ), a feature that is not currently supported by all JPA implementations. String ... ' and 'ABC' are not equivalent. Date and Time Literals JPQL follows the syntax of SQL and JDBC for date literals: Date - {d 'yyyy-mm-dd'} - for example: {d '2019-12-31'} Time - {t 'hh:mm:ss | |
ObjectDB Object Database Features using XML and annotations. Zero administration. Documentation Compressive, up to date , searchable ... .String Date types : java.util. Date , java.sql. Date , java.sql.Time and java.sql.Timestamp. Math types ... (Boolean, Byte, Short, Character, Integer, Long, Float and Double). java.lang.String Dates : java | |
Database Explorer it from the command line as follows: $ java -jar explorer.jar If explorer.jar is not in the current ... menu command to close a currently open database connection. Viewing Database Content Viewer ... , a bookmark in the [Database] tabbed window or an object in a currently open Table or Tree window | |
FROM clause (JPQL / Criteria API), CHAR_LENGTH, CHARACTER_LENGTH, CLASS, COALESCE, CONCAT, COUNT, CURRENT _ DATE , CURRENT _TIME, CURRENT | |
Retrieving JPA Entity Objects FetchType . LAZY in either @OneToOne or @ManyToOne annotations ( currently ObjectDB does not distinguish ... annotations ( currently ObjectDB does not distinguish between the two) enables cascading retrieval ... fields of an entity object can be accessed freely, regardless of the current fetch policy, as long as | |
Paths and Types in JPQL and Criteria API, string, date ). Simple type values are more useful in queries. They have special operators ... types (number, boolean, string, date ). For a path expression to be valid the user defined persistable ... reference. In JPQL, the current FROM variable (or FROM tuple when there are multiple variables | |
GROUP BY and HAVING clauses. Only identification variables and path expressions are currently supported in the GROUP BY clause by all the JPA ... of comparable values (numeric, strings, dates ). MAX - returns the maximum of comparable values (numeric, strings, dates ). The following query counts for every letter the number of countries with names | |
Database Schema Evolution of an old schema is loaded into memory it is automatically converted into an instance of the up to date ... from int to Date ) the fields are not considered as matching and the new field is initialized ... (when applicable). From any date type to any date type. From any collection or array type to any | |
Index Definition; // unique @Unique ( name ="u2") Date indexedField5; // unique } @Unique represents a unique index ... .BigInteger , java.math.BigDecimal. java.lang.String. java.util. Date , java.sql. Date , java.sql.Time | |
JPA Primary Key.lang.String. java.util. Date , java.sql. Date , java.sql.Time , java.sql.Timestamp. Any enum type ... { @EmbeddedId EventId id; : } @Embeddable public class EventId { int sensorId; Date time | |
Online Backup that reflects the current date and time (e.g. 201912312359 ) is created under the backup root | |
General Settings and Logging (where represents the date ). A new log file is also generated when the log file exceeds the maximum size ... of the subsystem loggers are currently undocumented and can change at any time without notice | |
Comparison in JPQL and Criteria API , comparing the content rather than the identity. Date values can be compared by using any comparison operator. Equality operators (=, , == , != ) on date values in queries follow the logic of equals | |
Locking in JPA (using another EntityManager ) since it was retrieved by the current updater. Optimistic locking ... another EntityManager instance) currently holds a PESSIMISTIC_WRITE lock on that database object. A PESSIMISTIC_WRITE lock request fails if another user currently holds either a PESSIMISTIC_WRITE lock or | |
Apache License, Version 2.0, January 2004 to You under this License for that Work shall terminate as of the date such litigation is filed. 4. Redistribution | |
Schema Update the instructions should usually be located on the client side where the up to date classes are located | |
JPA Annotations for Fields The way a field of a persistable class is managed by JPA can be set by the following annotations: Additional annotations (and enum) are designated for enum fields: Other additional annotations (and enum) are designated for date and calendar fields: Chapter 2 of the ObjectDB manual explains how to use all the above annotations. | |
JPA Query Expressions (JPQL / Criteria) expressions are provided as follows: Literals and Dates ( literal , nullLiteral , currentDate | |
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Eclipse Public License - v 1.0 of the date such litigation is filed. All Recipient's rights under this Agreement shall terminate | |
JPA Criteria API Queries;following page sections: Literals and Dates ( literal , nullLiteral , currentDate , ...). Paths | |
ORDER BY clause (JPQL / Criteria API) whose type is comparable (i.e. numbers, strings and date values) and is derived from the SELECT | |
Step 2: Entity Class and Persistence Unit.Serializable; import java.sql. Date ; import javax.persistence.Entity; import javax.persistence ... String name; private Date signingDate; // Constructors: public Guest() { } public Guest(String name) { this.name = name; this.signingDate = new Date (System.currentTimeMillis()); } // String Representation | |
Step 2: Entity Class and Persistence Unit.Serializable; import java.sql. Date ; import javax.persistence.Entity; import javax.persistence.GeneratedValue ... name; private Date signingDate; // Constructors: public Guest() { } public Guest(String name) { this.name = name; this.signingDate = new Date (System.currentTimeMillis()); } // String Representation | |
Step 2: Entity Class and Persistence Unit java.io.Serializable; import java.sql. Date ; import javax.persistence.Entity; import javax.persistence ... ; private String name; private Date signingDate; // Constructors: public Guest() { } public Guest(String name) { this.name = name; this.signingDate = new Date (System.currentTimeMillis()); } // String | |
Step 2: Entity Class and Persistence Unit.Serializable; import java.sql. Date ; import javax.persistence.Entity; import javax.persistence ... name; private Date signingDate; // Constructors: public Guest() { } public Guest(String name) { this.name = name; this.signingDate = new Date (System.currentTimeMillis()); } // String Representation | |
Step 2: Define a JPA Entity Class.Serializable; import java.sql. Date ; import javax.persistence.Entity; import javax.persistence ... String name; private Date signingDate; // Constructors: public Guest() { } public Guest(String name) { this.name = name; this.signingDate = new Date (System.currentTimeMillis()); } // String Representation | |
Step 2: Define a JPA Entity Class code: package guest; import java.io.Serializable; import java.sql. Date ; import javax.persistence.Entity ... @GeneratedValue Long id; private String name; private Date signingDate; // Constructors: public Guest() { } public Guest(String name) { this.name = name; this.signingDate = new Date |