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/* Copyright (c) 2001-2005, The HSQL Development Group
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* Neither the name of the HSQL Development Group nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL HSQL DEVELOPMENT GROUP, HSQLDB.ORG,
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* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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/* Copyright (c) 2001-2005, The HSQL Development Group
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* Neither the name of the HSQL Development Group nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL HSQL DEVELOPMENT GROUP, HSQLDB.ORG,
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* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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package org.hsqldb.jdbc;
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import java.io.IOException;
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* preference to a jdbcStatement object, if a short-running SQL statement is
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* to be executed more than a small number of times. <p>
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* Please note, however, that 1.7.2 does not yet provide a sophisticated
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* internal statement pooling facility. For this reason, the observation
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* above is guaranteed to apply only under certain use patterns. <p>
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* Specifically, when it can be otherwise avoided, it is to be considered poor
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* When it can be otherwise avoided, it is to be considered poor
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* practice to fully prepare (construct), parameterize, execute, fetch and
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* close a jdbcPreparedStatement object for each execution cycle. Indeed, under
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* HSQLDB 1.7.2, this practice is likely to be noticably <em>less</em>
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* HSQLDB 1.8.0, this practice is likely to be noticably <em>less</em>
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* performant for short-running statements than the equivalent process using
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* jdbcStatement objects, albeit far more convenient, less error prone and
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* certainly much less resource-intensive, especially when large binary and
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* @exception SQLException if a database access error occurs
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public void clearParameters() throws SQLException {
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ArrayUtil.fillArray(parameterValues, null);
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ArrayUtil.clearArray(ArrayUtil.CLASS_CODE_BOOLEAN, parameterSet, 0,
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parameterSet.length);
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if (parameterStream != null) {
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ArrayUtil.clearArray(ArrayUtil.CLASS_CODE_BOOLEAN,
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parameterStream, 0, parameterStream.length);
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//----------------------------------------------------------------------
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* Called just before execution or adding to batch, this ensures all the
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* parameters have been set.<p>
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* If a parameter has been set using a stream method, it should be set
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* again for the next reuse. When set using other methods, the parameter
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* setting is retained for the next use.
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private void checkParametersSet() throws SQLException {
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// do not check for compatibility with 1.8.0.x
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private void checkParametersSet() throws SQLException {
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if (parameterStream == null) {
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for (int i = 0; i < parameterSet.length; i++) {
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if (!parameterSet[i]) {
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throw Util.sqlException(Trace.JDBC_PARAMETER_NOT_SET);
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for (int i = 0; i < parameterSet.length; i++) {
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if (!parameterSet[i] &&!parameterStream[i]) {
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throw Util.sqlException(Trace.JDBC_PARAMETER_NOT_SET);
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ArrayUtil.clearArray(ArrayUtil.CLASS_CODE_BOOLEAN,
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parameterStream, 0, parameterStream.length);
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* The internal parameter value setter always converts the parameter to
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* the Java type required for data transmission. Target BINARY and OTHER
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* types are converted directly. All other target types are converted
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removed
src/org/hsqldb/jdbc/jdbcPreparedStatement.java
