added override for supportsGetGeneratedKeys for Derby; driver reports this is unsupported, but it seems to work OK
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60af7aba16
commit
f3e6242568
3 changed files with 61 additions and 2 deletions
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/* |
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* Copyright 2002-2007 the original author or authors. |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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package org.springframework.jdbc.core.metadata; |
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import java.sql.DatabaseMetaData; |
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import java.sql.SQLException; |
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/** |
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* The Derby specific implementation of the {@link org.springframework.jdbc.core.metadata.TableMetaDataProvider}. |
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* Overrides the Derby metadata info regarding retreiving generated keys. It seems to work OK so not sure why they |
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* claim it's not supported. |
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* |
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* @author Thomas Risberg |
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* @since 3.0 |
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*/ |
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public class DerbyTableMetaDataProvider extends GenericTableMetaDataProvider { |
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private boolean supportsGeneratedKeysOverride = false; |
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public DerbyTableMetaDataProvider(DatabaseMetaData databaseMetaData) throws SQLException { |
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super(databaseMetaData); |
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} |
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@Override |
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public void initializeWithMetaData(DatabaseMetaData databaseMetaData) throws SQLException { |
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super.initializeWithMetaData(databaseMetaData); |
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if (!databaseMetaData.supportsGetGeneratedKeys()) { |
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logger.warn("Overriding supportsGetGeneratedKeys from DatabaseMetaData to 'true'; it was reported as " + |
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"'false' by " + databaseMetaData.getDriverName() + " " + databaseMetaData.getDriverVersion()); |
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supportsGeneratedKeysOverride = true; |
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} |
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} |
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@Override |
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public boolean isGetGeneratedKeysSupported() { |
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boolean derbysAnswer = super.isGetGeneratedKeysSupported(); |
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if (!derbysAnswer) { |
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return supportsGeneratedKeysOverride; |
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} |
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return derbysAnswer; |
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} |
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} |
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