[#231] Add BlobBinding and ClobBinding to use java.sql.Blob and java.sql.Clob on a JDBC level
This commit is contained in:
lukaseder
parent
7d4bb64bf4
commit
ebaa268002
159
jOOQ/src/main/java/org/jooq/impl/BlobBinding.java
Normal file
159
jOOQ/src/main/java/org/jooq/impl/BlobBinding.java
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@ -0,0 +1,159 @@
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/**
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* Copyright (c) 2009-2015, Data Geekery GmbH (http://www.datageekery.com)
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* All rights reserved.
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*
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* This work is dual-licensed
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* - under the Apache Software License 2.0 (the "ASL")
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* - under the jOOQ License and Maintenance Agreement (the "jOOQ License")
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* =============================================================================
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* You may choose which license applies to you:
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*
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* - If you're using this work with Open Source databases, you may choose
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* either ASL or jOOQ License.
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* - If you're using this work with at least one commercial database, you must
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* choose jOOQ License
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*
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* For more information, please visit http://www.jooq.org/licenses
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*
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* Apache Software License 2.0:
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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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* jOOQ License and Maintenance Agreement:
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* -----------------------------------------------------------------------------
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* Data Geekery grants the Customer the non-exclusive, timely limited and
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* non-transferable license to install and use the Software under the terms of
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* the jOOQ License and Maintenance Agreement.
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*
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* This library is distributed with a LIMITED WARRANTY. See the jOOQ License
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* and Maintenance Agreement for more details: http://www.jooq.org/licensing
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*/
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package org.jooq.impl;
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import static org.jooq.tools.reflect.Reflect.on;
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import java.sql.Blob;
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import java.sql.Connection;
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import java.sql.SQLException;
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import java.sql.Types;
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import org.jooq.Binding;
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import org.jooq.BindingGetResultSetContext;
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import org.jooq.BindingGetSQLInputContext;
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import org.jooq.BindingGetStatementContext;
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import org.jooq.BindingRegisterContext;
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import org.jooq.BindingSQLContext;
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import org.jooq.BindingSetSQLOutputContext;
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import org.jooq.BindingSetStatementContext;
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import org.jooq.Configuration;
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import org.jooq.Converter;
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import org.jooq.Converters;
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/**
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* A binding that takes binary values but binds them as {@link Blob} to at the
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* JDBC level.
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* <p>
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* This is useful for workarounds for bugs in Oracle, like ORA-01461: can bind a
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* LONG value only for insert into a LONG column (see [#4091])
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*
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* @author Lukas Eder
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*/
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public class BlobBinding implements Binding<byte[], byte[]> {
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/**
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* Generated UID
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*/
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private static final long serialVersionUID = 358789452467943117L;
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@Override
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public final Converter<byte[], byte[]> converter() {
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return Converters.identity(byte[].class);
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}
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@Override
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public final void sql(BindingSQLContext<byte[]> ctx) throws SQLException {
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ctx.render().sql("?");
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}
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@Override
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public final void register(BindingRegisterContext<byte[]> ctx) throws SQLException {
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ctx.statement().registerOutParameter(ctx.index(), Types.BLOB);
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}
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@Override
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public final void set(BindingSetStatementContext<byte[]> ctx) throws SQLException {
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Blob blob = newBlob(ctx.configuration(), ctx.value());
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// [#4205] register blob for free()
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ctx.statement().setBlob(ctx.index(), blob);
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}
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@Override
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public final void set(BindingSetSQLOutputContext<byte[]> ctx) throws SQLException {
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Blob blob = newBlob(ctx.configuration(), ctx.value());
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// [#4205] register blob for free()
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ctx.output().writeBlob(blob);
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}
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@Override
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public final void get(BindingGetResultSetContext<byte[]> ctx) throws SQLException {
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Blob blob = ctx.resultSet().getBlob(ctx.index());
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// [#4205] register blob for free()
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ctx.value(blob == null ? null : blob.getBytes(1, (int) blob.length()));
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}
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@Override
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public final void get(BindingGetStatementContext<byte[]> ctx) throws SQLException {
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Blob blob = ctx.statement().getBlob(ctx.index());
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// [#4205] register blob for free()
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ctx.value(blob == null ? null : blob.getBytes(1, (int) blob.length()));
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}
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@Override
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public final void get(BindingGetSQLInputContext<byte[]> ctx) throws SQLException {
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Blob blob = ctx.input().readBlob();
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// [#4205] register blob for free()
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ctx.value(blob == null ? null : blob.getBytes(1, (int) blob.length()));
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}
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private final Blob newBlob(Configuration configuration, byte[] bytes) throws SQLException {
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Connection c = configuration.connectionProvider().acquire();
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try {
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Blob blob = null;
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switch (configuration.family()) {
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/* [pro] xx
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xx xxxxxxxx xxx x xxx xxxx xxxxxxx xxxxx xxxxx xxxxxxxxx
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xx xxxxxxxxxxxxxxxxxxxxxxxxxx
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xxxx xxxxxxx x
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xxxx x xxxxxxxxxxxxxxxxxxxxx
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xxxxxxxxxxxxxxxxxxxxxxxx xx xxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
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xxxxxxx
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xxxxxx
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x
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xx [/pro] */
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default: {
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blob = c.createBlob();
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break;
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}
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}
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blob.setBytes(1, bytes);
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return blob;
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}
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finally {
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configuration.connectionProvider().release(c);
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}
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}
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}
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159
jOOQ/src/main/java/org/jooq/impl/ClobBinding.java
Normal file
159
jOOQ/src/main/java/org/jooq/impl/ClobBinding.java
Normal file
@ -0,0 +1,159 @@
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/**
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* Copyright (c) 2009-2015, Data Geekery GmbH (http://www.datageekery.com)
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* All rights reserved.
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*
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* This work is dual-licensed
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* - under the Apache Software License 2.0 (the "ASL")
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* - under the jOOQ License and Maintenance Agreement (the "jOOQ License")
|
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* =============================================================================
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* You may choose which license applies to you:
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*
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* - If you're using this work with Open Source databases, you may choose
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* either ASL or jOOQ License.
|
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* - If you're using this work with at least one commercial database, you must
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* choose jOOQ License
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*
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* For more information, please visit http://www.jooq.org/licenses
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*
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* Apache Software License 2.0:
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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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* jOOQ License and Maintenance Agreement:
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* -----------------------------------------------------------------------------
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* Data Geekery grants the Customer the non-exclusive, timely limited and
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* non-transferable license to install and use the Software under the terms of
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* the jOOQ License and Maintenance Agreement.
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*
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* This library is distributed with a LIMITED WARRANTY. See the jOOQ License
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* and Maintenance Agreement for more details: http://www.jooq.org/licensing
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*/
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package org.jooq.impl;
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import static org.jooq.tools.reflect.Reflect.on;
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import java.sql.Clob;
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import java.sql.Connection;
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import java.sql.SQLException;
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import java.sql.Types;
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import org.jooq.Binding;
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import org.jooq.BindingGetResultSetContext;
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import org.jooq.BindingGetSQLInputContext;
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import org.jooq.BindingGetStatementContext;
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import org.jooq.BindingRegisterContext;
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import org.jooq.BindingSQLContext;
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import org.jooq.BindingSetSQLOutputContext;
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import org.jooq.BindingSetStatementContext;
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import org.jooq.Configuration;
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import org.jooq.Converter;
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import org.jooq.Converters;
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/**
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* A binding that takes binary values but binds them as {@link Clob} to at the
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* JDBC level.
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* <p>
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* This is useful for workarounds for bugs in Oracle, like ORA-01461: can bind a
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* LONG value only for insert into a LONG column (see [#4091])
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*
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* @author Lukas Eder
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*/
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public class ClobBinding implements Binding<String, String> {
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/**
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* Generated UID
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*/
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private static final long serialVersionUID = 358789452467943117L;
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@Override
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public final Converter<String, String> converter() {
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return Converters.identity(String.class);
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}
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@Override
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public final void sql(BindingSQLContext<String> ctx) throws SQLException {
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ctx.render().sql("?");
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}
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@Override
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public final void register(BindingRegisterContext<String> ctx) throws SQLException {
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ctx.statement().registerOutParameter(ctx.index(), Types.CLOB);
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}
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@Override
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public final void set(BindingSetStatementContext<String> ctx) throws SQLException {
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Clob clob = newClob(ctx.configuration(), ctx.value());
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// [#4205] register clob for free()
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ctx.statement().setClob(ctx.index(), clob);
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}
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@Override
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public final void set(BindingSetSQLOutputContext<String> ctx) throws SQLException {
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Clob clob = newClob(ctx.configuration(), ctx.value());
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// [#4205] register clob for free()
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ctx.output().writeClob(clob);
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}
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@Override
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public final void get(BindingGetResultSetContext<String> ctx) throws SQLException {
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Clob clob = ctx.resultSet().getClob(ctx.index());
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// [#4205] register blob for free()
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ctx.value(clob == null ? null : clob.getSubString(1, (int) clob.length()));
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}
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@Override
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public final void get(BindingGetStatementContext<String> ctx) throws SQLException {
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Clob clob = ctx.statement().getClob(ctx.index());
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// [#4205] register clob for free()
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ctx.value(clob == null ? null : clob.getSubString(1, (int) clob.length()));
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}
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@Override
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public final void get(BindingGetSQLInputContext<String> ctx) throws SQLException {
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Clob clob = ctx.input().readClob();
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// [#4205] register clob for free()
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ctx.value(clob == null ? null : clob.getSubString(1, (int) clob.length()));
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}
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private final Clob newClob(Configuration configuration, String string) throws SQLException {
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Connection c = configuration.connectionProvider().acquire();
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try {
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Clob clob = null;
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switch (configuration.family()) {
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/* [pro] xx
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xx xxxxxxxx xxx x xxx xxxx xxxxxxx xxxxx xxxxx xxxxxxxxx
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xx xxxxxxxxxxxxxxxxxxxxxxxxxx
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xxxx xxxxxxx x
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xxxx x xxxxxxxxxxxxxxxxxxxxx
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xxxxxxxxxxxxxxxxxxxxxxxx xx xxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
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xxxxxxx
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xxxxxx
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x
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xx [/pro] */
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default: {
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clob = c.createClob();
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break;
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}
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}
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clob.setString(1, string);
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return clob;
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}
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finally {
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configuration.connectionProvider().release(c);
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}
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}
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}
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