About query

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JDO Doc
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Constants.OPTION_UNCONSTRAINED_QUERY_VARIABLES

Static Field javax.jdo.Constants String OPTION_UNCONSTRAINED_QUERY_VARIABLES "javax.jdo.option.UnconstrainedQueryVariables" Since: JDO 2.1 See Also: PersistenceManagerFactory.supportedOptions()
JDO Doc
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declareImports(imports)

Method javax.jdo.Query void declareImports(   String imports ) Set the import statements to be used to identify the fully qualified name of variables or parameters. Parameters and unbound variables might come from a different class from the candidate class, and the names need to be declared in
JDO Doc
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deletePersistentAll()

Method javax.jdo.Query long deletePersistentAll() Deletes all the instances of the candidate class that pass the filter. Returns the number of instances of the candidate class that were deleted, specifically not including the number of dependent and embedded instances. Dirty instances of affected
JDO Doc
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getIgnoreCache()

Method javax.jdo.Query boolean getIgnoreCache() Get the ignoreCache option setting. Returns: the ignoreCache option setting. Since: JDO 1.0 See Also: setIgnoreCache
JPA Doc
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getParameterValue(name)

Method javax.persistence.Query Object getParameterValue(   String name ) Return the value bound to the named parameter. Parameters: name - parameter name Returns: parameter value Throws: IllegalStateException - if the parameter has not been been bound IllegalArgumentException - if the parameter of the specified name does not exist Since: JPA 2.0
JPA Doc
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getParameterValue(position)

Method javax.persistence.Query Object getParameterValue(   int position ) Return the value bound to the positional parameter. Parameters: position - position Returns: parameter value Throws: IllegalStateException - if the parameter has not been been bound IllegalArgumentException - if the parameter with the specified position does not exist Since: JPA 2.0
JPA Doc
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isBound(param)

Method javax.persistence.Query boolean isBound(   Parameter param ) Return a boolean indicating whether a value has been bound to the parameter. Parameters: param - parameter object Returns: boolean indicating whether parameter has been bound Since: JPA 2.0
JDO Doc
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Query.extensions

Annotation Element javax.jdo.annotations.Query Extension[] extensions Vendor extensions. Returns: the vendor extensions Default value: {} Since: JDO 2.1
JDO Doc
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Query.resultClass

Annotation Element javax.jdo.annotations.Query Class resultClass Result class into which to put the results. Returns: the class of the result Default value: void.class Since: JDO 2.1
JDO Doc
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setExtensions(extensions)

Method javax.jdo.Query void setExtensions(   Map extensions ) Set multiple extensions, or use null to clear all extensions. Map keys and values are not standard. An implementation must ignore entries that are not recognized. Parameters: extensions - the map of extensions Since: JDO 2.0 See Also: addExtension