/*
MariaDB Client for Java
Copyright (c) 2012-2014 Monty Program Ab.
This library is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by the Free
Software Foundation; either version 2.1 of the License, or (at your option)
any later version.
This library 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 Lesser General Public License
for more details.
You should have received a copy of the GNU Lesser General Public License along
with this library; if not, write to Monty Program Ab info@montyprogram.com.
This particular MariaDB Client for Java file is work
derived from a Drizzle-JDBC. Drizzle-JDBC file which is covered by subject to
the following copyright and notice provisions:
Copyright (c) 2009-2011, Marcus Eriksson
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
Redistributions of source code must retain the above copyright notice, this list
of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright notice, this
list of conditions and the following disclaimer in the documentation and/or
other materials provided with the distribution.
Neither the name of the driver nor the names of its contributors may not be
used to endorse or promote products derived from this software without specific
prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
package org.mariadb.jdbc.internal;
import org.mariadb.jdbc.internal.com.read.resultset.SelectResultSet;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.sql.Date;
import java.sql.Time;
import java.sql.Timestamp;
import java.sql.Types;
public enum ColumnType {
OLDDECIMAL(0, Types.DECIMAL, "Types.DECIMAL", BigDecimal.class.getName()),
TINYINT(1, Types.SMALLINT, "Types.SMALLINT", Integer.class.getName()),
SMALLINT(2, Types.SMALLINT, "Types.SMALLINT", Integer.class.getName()),
INTEGER(3, Types.INTEGER, "Types.INTEGER", Integer.class.getName()),
FLOAT(4, Types.REAL, "Types.REAL", Float.class.getName()),
DOUBLE(5, Types.DOUBLE, "Types.DOUBLE", Double.class.getName()),
NULL(6, Types.NULL, "Types.NULL", String.class.getName()),
TIMESTAMP(7, Types.TIMESTAMP, "Types.TIMESTAMP", java.sql.Timestamp.class.getName()),
BIGINT(8, Types.BIGINT, "Types.BIGINT", Long.class.getName()),
MEDIUMINT(9, Types.INTEGER, "Types.INTEGER", Integer.class.getName()),
DATE(10, Types.DATE, "Types.DATE", java.sql.Date.class.getName()),
TIME(11, Types.TIME, "Types.TIME", java.sql.Time.class.getName()),
DATETIME(12, Types.TIMESTAMP, "Types.TIMESTAMP", java.sql.Timestamp.class.getName()),
YEAR(13, Types.SMALLINT, "Types.SMALLINT", Short.class.getName()),
NEWDATE(14, Types.DATE, "Types.DATE", java.sql.Date.class.getName()),
VARCHAR(15, Types.VARCHAR, "Types.VARCHAR", String.class.getName()),
BIT(16, Types.BIT, "Types.BIT", "[B"),
DECIMAL(246, Types.DECIMAL, "Types.DECIMAL", BigDecimal.class.getName()),
ENUM(247, Types.VARCHAR, "Types.VARCHAR", String.class.getName()),
SET(248, Types.VARCHAR, "Types.VARCHAR", String.class.getName()),
TINYBLOB(249, Types.VARBINARY, "Types.VARBINARY", "[B"),
MEDIUMBLOB(250, Types.VARBINARY, "Types.VARBINARY", "[B"),
LONGBLOB(251, Types.LONGVARBINARY, "Types.LONGVARBINARY", "[B"),
BLOB(252, Types.LONGVARBINARY, "Types.LONGVARBINARY", "[B"),
VARSTRING(253, Types.VARCHAR, "Types.VARCHAR", String.class.getName()),
STRING(254, Types.VARCHAR, "Types.VARCHAR", String.class.getName()),
GEOMETRY(255, Types.VARBINARY, "Types.VARBINARY", "[B");
static ColumnType[] typeMap;
static {
typeMap = new ColumnType[256];
for (ColumnType v : values()) {
typeMap[v.mysqlType] = v;
}
}
private final int mysqlType;
private final int javaType;
private final String javaTypeName;
private final String className;
ColumnType(int mysqlType, int javaType, String javaTypeName, String className) {
this.mysqlType = mysqlType;
this.javaType = javaType;
this.javaTypeName = javaTypeName;
this.className = className;
}
/**
* Permit to know java result class according to java.sql.Types.
*
* @param type java.sql.Type value
* @return Class name.
*/
public static Class classFromJavaType(int type) {
switch (type) {
case Types.BOOLEAN:
case Types.BIT:
return Boolean.class;
case Types.TINYINT:
return Byte.class;
case Types.SMALLINT:
return Short.class;
case Types.INTEGER:
return Integer.class;
case Types.BIGINT:
return Long.class;
case Types.DOUBLE:
case Types.FLOAT:
return Double.class;
case Types.REAL:
return Float.class;
case Types.TIMESTAMP:
return Timestamp.class;
case Types.DATE:
return Date.class;
case Types.VARCHAR:
case Types.NVARCHAR:
case Types.CHAR:
case Types.NCHAR:
case Types.LONGVARCHAR:
case Types.LONGNVARCHAR:
case Types.CLOB:
case Types.NCLOB:
return String.class;
case Types.DECIMAL:
case Types.NUMERIC:
return BigDecimal.class;
case Types.VARBINARY:
case Types.BINARY:
case Types.LONGVARBINARY:
case Types.BLOB:
case Types.JAVA_OBJECT:
return byte[].class;
case Types.NULL:
return null;
case Types.TIME:
return Time.class;
default:
//DISTINCT
//STRUCT
//ARRAY
//REF
//DATALINK
//ROWID
//SQLXML
//REF_CURSOR
//TIME_WITH_TIMEZONE
//TIMESTAMP_WITH_TIMEZONE
break;
}
return null;
}
/**
* Is type numeric.
*
* @param type mariadb type
* @return true if type is numeric
*/
public static boolean isNumeric(ColumnType type) {
switch (type) {
case OLDDECIMAL:
case TINYINT:
case SMALLINT:
case INTEGER:
case FLOAT:
case DOUBLE:
case BIGINT:
case MEDIUMINT:
case BIT:
case DECIMAL:
return true;
default:
return false;
}
}
/**
* Get columnTypeName.
*
* @param type type
* @param len len
* @param signed signed
* @param binary binary
* @return type
*/
public static String getColumnTypeName(ColumnType type, long len, boolean signed, boolean binary) {
switch (type) {
case SMALLINT:
case MEDIUMINT:
case INTEGER:
case BIGINT:
if (!signed) {
return type.getTypeName() + " UNSIGNED";
} else {
return type.getTypeName();
}
case BLOB:
/*
map to different blob types based on datatype length
see http://dev.mysql.com/doc/refman/5.0/en/storage-requirements.html
*/
if (len < 0) {
return "LONGBLOB";
} else if (len <= 255) {
return "TINYBLOB";
} else if (len <= 65535) {
return "BLOB";
} else if (len <= 16777215) {
return "MEDIUMBLOB";
} else {
return "LONGBLOB";
}
case VARSTRING:
case VARCHAR:
if (binary) {
return "VARBINARY";
}
return "VARCHAR";
case STRING:
if (binary) {
return "BINARY";
}
return "CHAR";
default:
return type.getTypeName();
}
}
/**
* Convert server Type to server type.
*
* @param typeValue type value
* @return MariaDb type
*/
public static ColumnType fromServer(int typeValue) {
ColumnType columnType = typeMap[typeValue];
if (columnType == null) {
/*
Potential fallback for types that are not implemented.
Should not be normally used.
*/
columnType = BLOB;
}
return columnType;
}
/**
* Convert javatype to ColumnType.
*
* @param javaType javatype value
* @return mariaDb type value
*/
public static ColumnType toServer(int javaType) {
for (ColumnType v : values()) {
if (v.javaType == javaType) {
return v;
}
}
return ColumnType.BLOB;
}
public String getClassName() {
return className;
}
/**
* Get class name.
*
* @param type type
* @param len len
* @param signed signed
* @param binary binary
* @param flags flags
* @return class name
*/
public static String getClassName(ColumnType type, int len, boolean signed, boolean binary, int flags) {
switch (type) {
case TINYINT:
if (len == 1 && ((flags & SelectResultSet.TINYINT1_IS_BIT) != 0)) {
return Boolean.class.getName();
}
return Integer.class.getName();
case INTEGER:
return (signed) ? Integer.class.getName() : Long.class.getName();
case BIGINT:
return (signed) ? Long.class.getName() : BigInteger.class.getName();
case YEAR:
if ((flags & SelectResultSet.YEAR_IS_DATE_TYPE) != 0) {
return java.sql.Date.class.getName();
}
return Short.class.getName();
case BIT:
return (len == 1) ? Boolean.class.getName() : "[B";
case STRING:
case VARCHAR:
case VARSTRING:
return binary ? "[B" : String.class.getName();
default:
break;
}
return type.getClassName();
}
public int getSqlType() {
return javaType;
}
public String getTypeName() {
return name();
}
public int getType() {
return mysqlType;
}
public String getJavaTypeName() {
return javaTypeName;
}
}