/*
* Copyright 2004-2015 the Seasar Foundation and the Others.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
* either express or implied. See the License for the specific language
* governing permissions and limitations under the License.
*/
package org.seasar.extension.jdbc.gen.internal.dialect;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.sql.Timestamp;
import java.sql.Types;
import java.util.Arrays;
import javax.persistence.GenerationType;
import org.seasar.extension.jdbc.gen.internal.sqltype.BinaryType;
import org.seasar.extension.jdbc.gen.internal.sqltype.BlobType;
import org.seasar.extension.jdbc.gen.internal.sqltype.ClobType;
import org.seasar.extension.jdbc.gen.internal.sqltype.DecimalType;
import org.seasar.extension.jdbc.gen.internal.sqltype.DoubleType;
import org.seasar.extension.jdbc.gen.internal.sqltype.FloatType;
import org.seasar.extension.jdbc.gen.internal.sqltype.IntegerType;
/**
* MySQLの方言を扱うクラスです。
*
* @author taedium
*/
public class MysqlGenDialect extends StandardGenDialect {
/** テーブルが見つからないことを示すエラーコード */
protected static int TABLE_NOT_FOUND_ERROR_CODE = 1146;
/** カラムが見つからないことを示すエラーコード */
protected static int COLUMN_NOT_FOUND_ERROR_CODE = 1054;
/**
* インスタンスを構築します。
*/
public MysqlGenDialect() {
sqlTypeMap.put(Types.BINARY, new BinaryType("binary($l)"));
sqlTypeMap.put(Types.BLOB, new BlobType() {
@Override
public String getDataType(int length, int precision, int scale,
boolean identity) {
if (length <= 0xFF) {
return "tinyblob";
} else if (length <= 0xFFFF) {
return "blob";
} else if (length <= 0xFFFFFF) {
return "mediumblob";
}
return "longblob";
}
});
sqlTypeMap.put(Types.CLOB, new ClobType() {
@Override
public String getDataType(int length, int precision, int scale,
boolean identity) {
if (length <= 0xFF) {
return "tinytext";
} else if (length <= 0xFFFF) {
return "text";
} else if (length <= 0xFFFFFF) {
return "mediumtext";
}
return "longtext";
}
});
sqlTypeMap.put(Types.DECIMAL, new DecimalType("decimal($p,$s)"));
sqlTypeMap.put(Types.DOUBLE, new DoubleType("double($p,$s)"));
sqlTypeMap.put(Types.FLOAT, new FloatType("float($p,$s)"));
sqlTypeMap.put(Types.INTEGER, new IntegerType("int"));
columnTypeMap.put("bigint unsigned", MysqlColumnType.BIGINT_UNSIGNED);
columnTypeMap.put("binary", MysqlColumnType.BINARY);
columnTypeMap.put("bit", MysqlColumnType.BIT);
columnTypeMap.put("blob", MysqlColumnType.BLOB);
columnTypeMap.put("datetime", MysqlColumnType.DATETIME);
columnTypeMap.put("decimal", MysqlColumnType.DECIMAL);
columnTypeMap.put("double", MysqlColumnType.DOUBLE);
columnTypeMap.put("int", MysqlColumnType.INT);
columnTypeMap.put("int unsigned", MysqlColumnType.INT_UNSIGNED);
columnTypeMap.put("longblob", MysqlColumnType.LONGBLOB);
columnTypeMap.put("longtext", MysqlColumnType.LONGTEXT);
columnTypeMap.put("mediumblob", MysqlColumnType.MEDIUMBLOB);
columnTypeMap.put("mediumint", MysqlColumnType.MEDIUMINT);
columnTypeMap.put("mediumint unsigned",
MysqlColumnType.MEDIUMINT_UNSIGNED);
columnTypeMap.put("mediumtext", MysqlColumnType.MEDIUMTEXT);
columnTypeMap.put("smallint unsigned",
MysqlColumnType.SMALLINT_UNSIGNED);
columnTypeMap.put("tinyblob", MysqlColumnType.TINYBLOB);
columnTypeMap.put("tinyint", MysqlColumnType.TINYINT);
columnTypeMap.put("tinyint unsigned", MysqlColumnType.TINYINT_UNSIGNED);
columnTypeMap.put("tinytext", MysqlColumnType.TINYTEXT);
columnTypeMap.put("text", MysqlColumnType.TEXT);
columnTypeMap.put("year", MysqlColumnType.YEAR);
}
@Override
public String getName() {
return "mysql";
}
@Override
public GenerationType getDefaultGenerationType() {
return GenerationType.IDENTITY;
}
@Override
public String getSqlBlockDelimiter() {
return "/";
}
@Override
public String getIdentityColumnDefinition() {
return "not null auto_increment";
}
@Override
public String getDropForeignKeySyntax() {
return "drop foreign key";
}
@Override
public String getDropUniqueKeySyntax() {
return "drop index";
}
@Override
public boolean isTableNotFound(Throwable throwable) {
Integer errorCode = getErrorCode(throwable);
return errorCode != null
&& errorCode.intValue() == TABLE_NOT_FOUND_ERROR_CODE;
}
@Override
public boolean isColumnNotFound(Throwable throwable) {
Integer errorCode = getErrorCode(throwable);
return errorCode != null
&& errorCode.intValue() == COLUMN_NOT_FOUND_ERROR_CODE;
}
@Override
public SqlBlockContext createSqlBlockContext() {
return new MysqlSqlBlockContext();
}
@Override
public boolean supportsIdentityInsert() {
return true;
}
@Override
public boolean supportsIdentity() {
return true;
}
@Override
public boolean supportsCommentInCreateTable() {
return true;
}
@Override
public boolean supportsCommentOn() {
return false;
}
/**
* MySQL用の{@link ColumnType}の実装です。
*
* @author taedium
*/
public static class MysqlColumnType extends StandardColumnType {
private static MysqlColumnType BIGINT_UNSIGNED = new MysqlColumnType(
"bigint unsigned", BigInteger.class);
private static MysqlColumnType BINARY = new MysqlColumnType(
"binary($l)", byte[].class);
private static MysqlColumnType BIT = new MysqlColumnType("bit($l)",
byte[].class) {
@Override
public Class<?> getAttributeClass(int length, int precision,
int scale) {
return length == 0 ? Boolean.class : super.getAttributeClass(
length, precision, scale);
}
@Override
public String getColumnDefinition(int length, int precision,
int scale, String defaultValue) {
if (length == 0) {
return getColumnDefinitionInternal("bool", defaultValue);
}
return super.getColumnDefinition(length, precision, scale,
defaultValue);
}
};
private static MysqlColumnType BLOB = new MysqlColumnType("blob",
byte[].class, true);
private static MysqlColumnType DATETIME = new MysqlColumnType(
"datetime", Timestamp.class);
private static MysqlColumnType DECIMAL = new MysqlColumnType(
"decimal($p,$s)", BigDecimal.class);
private static MysqlColumnType DOUBLE = new MysqlColumnType(
"double($p,$s)", Double.class);
private static MysqlColumnType INT = new MysqlColumnType("int",
Integer.class);
private static MysqlColumnType INT_UNSIGNED = new MysqlColumnType(
"int unsigned", Long.class);
private static MysqlColumnType LONGBLOB = new MysqlColumnType(
"longblob", byte[].class, true);
private static MysqlColumnType LONGTEXT = new MysqlColumnType(
"longtext", String.class, true);
private static MysqlColumnType MEDIUMBLOB = new MysqlColumnType(
"mediumblob", byte[].class, true);
private static MysqlColumnType MEDIUMINT = new MysqlColumnType(
"mediumint", Integer.class);
private static MysqlColumnType MEDIUMINT_UNSIGNED = new MysqlColumnType(
"mediumint unsigned", Integer.class);
private static MysqlColumnType MEDIUMTEXT = new MysqlColumnType(
"mediumtext", String.class, true);
private static MysqlColumnType SMALLINT_UNSIGNED = new MysqlColumnType(
"smallint unsigned", Integer.class);
private static MysqlColumnType TINYBLOB = new MysqlColumnType(
"tinyblob", byte[].class, true);
private static MysqlColumnType TINYINT = new MysqlColumnType("tinyint",
Byte.class);
private static MysqlColumnType TINYINT_UNSIGNED = new MysqlColumnType(
"tinyint unsigned", Short.class);
private static MysqlColumnType TINYTEXT = new MysqlColumnType(
"tinytext", String.class, true);
private static MysqlColumnType TEXT = new MysqlColumnType("text",
String.class, true);
private static MysqlColumnType YEAR = new MysqlColumnType("year",
java.sql.Date.class);
/**
* インスタンスを構築します。
*
* @param dataType
* データ型
* @param attributeClass
* 属性のクラス
*/
public MysqlColumnType(String dataType, Class<?> attributeClass) {
super(dataType, attributeClass);
}
/**
* インスタンスを構築します。
*
* @param dataType
* データ型
* @param attributeClass
* 属性のクラス
* @param lob
* LOBの場合{@code true}
*/
public MysqlColumnType(String dataType, Class<?> attributeClass,
boolean lob) {
super(dataType, attributeClass, lob);
}
}
/**
* MySQL用の{@link StandardColumnType}の実装クラスです。
*
* @author taedium
*/
public static class MysqlSqlBlockContext extends StandardSqlBlockContext {
/**
* インスタンスを構築します。
*/
protected MysqlSqlBlockContext() {
sqlBlockStartKeywordsList.add(Arrays.asList("create", "procedure"));
sqlBlockStartKeywordsList.add(Arrays.asList("create", "function"));
sqlBlockStartKeywordsList.add(Arrays.asList("create", "trigger"));
sqlBlockStartKeywordsList.add(Arrays.asList("alter", "procedure"));
sqlBlockStartKeywordsList.add(Arrays.asList("alter", "function"));
sqlBlockStartKeywordsList.add(Arrays.asList("alter", "trigger"));
sqlBlockStartKeywordsList.add(Arrays.asList("declare"));
sqlBlockStartKeywordsList.add(Arrays.asList("begin"));
}
}
}