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41-50 of 200 resultsRefreshDatabase Schema Evolution of the up to date entity class. This is done automatically in memory each time the entity object is loaded ... . If the old type is inconvertible to the new type (for instance a change from int to Date ... enum types (when applicable). From any date type to any date type. | |
FROM clause (JPQL / Criteria API)_LENGTH, CHARACTER_LENGTH, CLASS, COALESCE, CONCAT, COUNT, CURRENT_DATE, CURRENT_TIME, CURRENT | |
Retrieving JPA Entity Objects> annotations (currently ObjectDB does not distinguish between the two) excludes the field from ... /java/jpa/ManyToMany">@ManyToMany annotations (currently ObjectDB does not distinguish ... of an entity object can be accessed freely, regardless of the current fetch policy, as long as the | |
Paths and Types in JPQL and Criteria API, string, date). Simple type values are more useful in queries. They have special operators ... , maps and values of simple types (number, boolean, string, date). For a path expression ... reference. In JPQL, the current FROM variable (or FROM tuple when there are multiple variables) is simply | |
GROUP BY and HAVING clauses. Only identification variables and path expressions are currently ... > MIN - returns the minimum of comparable values (numeric, strings, dates ... , dates). The following query counts for every letter the number of countries | |
javax.persistence.TypedQuery> Get the current lock mode for the query. Get the current lock mode for the query. | |
JPA Query Expressions (JPQL / Criteria)#criteria_query_literals">Literals and Dates (literal, nullLiteralsubstring, ...). date#date_and_time_in_criteria_queries | |
Index Definition">name="u2") Date indexedField5; // unique } java.lang.String. java.util.Date, java.sql.Date, java.sql.Time, java.sql.Timestamp. | |
Step 2: Entity Class and Persistence Unit.sql.Date; import javax.persistence.Entity; import javax.persistence.GeneratedValue; import javax ... ; private String name; private Date signingDate; // Constructors: public Guest ... Date(System.currentTimeMillis()); } // String Representation: @Override public | |
javax.jdo.JDOEntityManager is a managed entity instance belonging to the current persistence context. current persistence context. current transaction |