org.apache.openjpa.jdbc.sql.CacheDictionary Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one
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* distributed with this work for additional information
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* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
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package org.apache.openjpa.jdbc.sql;
/**
* Dictionary for Intersystems Cache.
*/
public class CacheDictionary
extends DBDictionary {
public CacheDictionary() {
platform = "Intersystems Cache";
supportsDeferredConstraints = false;
supportsSelectForUpdate = true;
validationSQL = "SET OPTION DUMMY=DUMMY";
bigintTypeName = "NUMERIC";
numericTypeName = "NUMERIC";
clobTypeName = "LONGVARCHAR";
blobTypeName = "LONGVARBINARY";
// use Cache's objectscript for assigning auto-assigned values
autoAssignClause = "DEFAULT OBJECTSCRIPT '$INCREMENT(^LogNumber)'";
// there is no built-in function for getting the last generated
// key in Cache; using MAX will have to suffice
lastGeneratedKeyQuery = "SELECT MAX({0}) FROM {1}";
}
}