About query

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JPA Doc
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NamedNativeQuery.query

Annotation Element javax.persistence.NamedNativeQuery String query The SQL query string. Since: JPA 1.0
JDO Doc
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Query.fetchPlan

Annotation Element javax.jdo.annotations.Query String fetchPlan The name of the fetch plan used by this query Returns: the fetch plan Default value: "" Since: JDO 2.1
JDO Doc
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Query.SQL

Static Field javax.jdo.Query String SQL The string constant used as the first argument to PersistenceManager.newQuery(String,Object) to identify that the created query should use SQL semantics. This is only meaningful for relational JDO implementations. If this is used, the Object argument
JDO Doc
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setCandidates(pcs)

Method javax.jdo.Query void setCandidates(   Extent pcs ) Set the candidate Extent to query. Parameters: pcs - the candidate Extent. Since: JDO 1.0
JDO Doc
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setCandidates(pcs)

Method javax.jdo.Query void setCandidates(   Collection pcs ) Set the candidate Collection to query. Parameters: pcs - the candidate Collection. Since: JDO 1.0
JDO Doc
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setUnmodifiable()

Method javax.jdo.Query void setUnmodifiable() The unmodifiable flag, when set, disallows further modification of the query, except for specifying the range, result class, and ignoreCache option. The unmodifiable flag can also be set in metadata. Since: JDO 2.0
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