com.mysql.jdbc.ResultSetInternalMethods Maven / Gradle / Ivy
/*
Copyright (c) 2007, 2014, Oracle and/or its affiliates. All rights reserved.
The MySQL Connector/J is licensed under the terms of the GPLv2
, like most MySQL Connectors.
There are special exceptions to the terms and conditions of the GPLv2 as it is applied to
this software, see the FLOSS License Exception
.
This program is free software; you can redistribute it and/or modify it under the terms
of the GNU General Public License as published by the Free Software Foundation; version 2
of the License.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this
program; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth
Floor, Boston, MA 02110-1301 USA
*/
package com.mysql.jdbc;
import java.sql.SQLException;
/**
* This interface is intended to be used by implementors of statement interceptors so that implementors can create static or dynamic (via
* java.lang.reflect.Proxy) proxy instances of ResultSets. It consists of methods outside of java.sql.Result that are used internally by other classes in the
* driver.
*
* This interface, although public is not designed to be consumed publicly other than for the statement interceptor use case.
*/
public interface ResultSetInternalMethods extends java.sql.ResultSet {
/**
* Returns a new instance of this result set, that shares the
* underlying row data.
*/
public abstract ResultSetInternalMethods copy() throws SQLException;
/**
* Does the result set contain rows, or is it the result of a DDL or DML
* statement?
*/
public abstract boolean reallyResult();
/**
* Functions like ResultSet.getObject(), but using the given SQL type
* (as registered during CallableStatement.registerOutParameter()).
*/
public abstract Object getObjectStoredProc(int columnIndex, int desiredSqlType) throws SQLException;
/**
* Functions like ResultSet.getObject(), but using the given SQL type
* (as registered during CallableStatement.registerOutParameter()).
*/
public abstract Object getObjectStoredProc(int i, java.util.Map map, int desiredSqlType) throws SQLException;
/**
* Functions like ResultSet.getObject(), but using the given SQL type
* (as registered during CallableStatement.registerOutParameter()).
*/
public abstract Object getObjectStoredProc(String columnName, int desiredSqlType) throws SQLException;
/**
* Functions like ResultSet.getObject(), but using the given SQL type
* (as registered during CallableStatement.registerOutParameter()).
*/
public abstract Object getObjectStoredProc(String colName, java.util.Map map, int desiredSqlType) throws SQLException;
/**
* Returns the server informational message returned from a DDL or DML
* statement (if any), or null if none.
*/
public String getServerInfo();
/**
* Returns the update count for this result set (if one exists), otherwise
* -1.
*
* @ return the update count for this result set (if one exists), otherwise
* -1.
*/
public long getUpdateCount();
/**
* Returns the AUTO_INCREMENT value for the DDL/DML statement which created
* this result set.
*
* @return the AUTO_INCREMENT value for the DDL/DML statement which created
* this result set.
*/
public long getUpdateID();
/**
* Closes this ResultSet and releases resources.
*
* @param calledExplicitly
* was realClose called by the standard ResultSet.close() method, or was it closed internally by the
* driver?
*/
public void realClose(boolean calledExplicitly) throws SQLException;
/**
* Returns true if this ResultSet is closed
*/
public boolean isClosed() throws SQLException;
/**
* Sets the first character of the query that was issued to create
* this result set. The character should be upper-cased.
*/
public void setFirstCharOfQuery(char firstCharUpperCase);
/**
* Sets the statement that "owns" this result set (usually used when the
* result set should internally "belong" to one statement, but is created
* by another.
*/
public void setOwningStatement(com.mysql.jdbc.StatementImpl owningStatement);
/**
* Returns the first character of the query that was issued to create this
* result set, upper-cased.
*/
public char getFirstCharOfQuery();
/**
* Clears the reference to the next result set in a multi-result set
* "chain".
*/
public void clearNextResult();
/**
* Returns the next ResultSet in a multi-resultset "chain", if any,
* null if none exists.
*/
public ResultSetInternalMethods getNextResultSet();
public void setStatementUsedForFetchingRows(PreparedStatement stmt);
/**
* @param wrapperStatement
* The wrapperStatement to set.
*/
public void setWrapperStatement(java.sql.Statement wrapperStatement);
/**
* Builds a hash between column names and their indices for fast retrieval.
* This is done lazily to support findColumn() and get*(String), as it
* can be more expensive than just retrieving result set values by ordinal
* index.
*/
public void buildIndexMapping() throws SQLException;
public void initializeWithMetadata() throws SQLException;
/**
* Used by DatabaseMetadata implementations to coerce the metadata returned
* by metadata queries into that required by the JDBC specification.
*
* @param metadataFields
* the coerced metadata to be applied to result sets
* returned by "SHOW ..." or SELECTs on INFORMATION_SCHEMA performed on behalf
* of methods in DatabaseMetadata.
*/
public void redefineFieldsForDBMD(Field[] metadataFields);
public void populateCachedMetaData(CachedResultSetMetaData cachedMetaData) throws SQLException;
public void initializeFromCachedMetaData(CachedResultSetMetaData cachedMetaData);
public int getBytesSize() throws SQLException;
}
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