types.java

一个JDBC数据库连接的组件

/*
 * @(#)Types.java	1.10 98/04/24
 * 
 * Copyright 1996-1998 by Sun Microsystems, Inc.,
 * 901 San Antonio Road, Palo Alto, California, 94303, U.S.A.
 * All rights reserved.
 *
 * This software is the confidential and proprietary information
 * of Sun Microsystems, Inc. ("Confidential Information").  You
 * shall not disclose such Confidential Information and shall use
 * it only in accordance with the terms of the license agreement
 * you entered into with Sun.
 */

package java.sql;

/**
 * <P>This class defines constants that are used to identify SQL types.
 * The actual type constant values are equivalent to those in XOPEN.
 *
 */
public class Types {

	public final static int BIT 		=  -7;
	public final static int TINYINT 	=  -6;
	public final static int SMALLINT	=   5;
	public final static int INTEGER 	=   4;
	public final static int BIGINT 		=  -5;

	public final static int FLOAT 		=   6;
	public final static int REAL 		=   7;
	public final static int DOUBLE 		=   8;

	public final static int NUMERIC 	=   2;
	public final static int DECIMAL		=   3;

	public final static int CHAR		=   1;
	public final static int VARCHAR 	=  12;
	public final static int LONGVARCHAR 	=  -1;

	public final static int DATE 		=  91;
	public final static int TIME 		=  92;
	public final static int TIMESTAMP 	=  93;

	public final static int BINARY		=  -2;
	public final static int VARBINARY 	=  -3;
	public final static int LONGVARBINARY 	=  -4;

	public final static int NULL		=   0;

    /**
     * OTHER indicates that the SQL type is database specific and
     * gets mapped to a Java object which can be accessed via
     * getObject and setObject.
     */
	public final static int OTHER		= 1111;

        
    /**
     * JDBC 2.0
     *
     * These codes are for user-defined data types (UDTs).
     */

        public final static int JAVA_OBJECT         = 2000;

        public final static int DISTINCT            = 2001;

        public final static int STRUCT              = 2002;

        public final static int ARRAY               = 2003;

        public final static int BLOB                = 2004;

        public final static int CLOB                = 2005;

        public final static int REF                 = 2006;
        

    // Prevent instantiation
    private Types() {}
}