/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2010, Red Hat Inc. or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Inc.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* 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 Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.dialect;
import java.sql.Types;
import org.hibernate.cfg.Environment;
import org.hibernate.dialect.function.StandardSQLFunction;
import org.hibernate.type.StandardBasicTypes;
/**
* An Hibernate 3 SQL dialect for Mimer SQL. This dialect requires Mimer SQL 9.2.1 or later
* because of the mappings to NCLOB, BINARY, and BINARY VARYING.
*
* @author Fredrik lund <fredrik.alund@mimer.se>
*/
@SuppressWarnings("deprecation")
public class MimerSQLDialect extends Dialect {
private static final int NATIONAL_CHAR_LENGTH = 2000;
private static final int BINARY_MAX_LENGTH = 2000;
/**
* Even thoug Mimer SQL supports character and binary columns up to 15 000 in lenght,
* this is also the maximum width of the table (exluding LOBs). To avoid breaking the limit all the
* time we limit the length of the character columns to CHAR_MAX_LENTH, NATIONAL_CHAR_LENGTH for national
* characters, and BINARY_MAX_LENGTH for binary types.
*/
public MimerSQLDialect() {
super();
registerColumnType( Types.BIT, "ODBC.BIT" );
registerColumnType( Types.BIGINT, "BIGINT" );
registerColumnType( Types.SMALLINT, "SMALLINT" );
registerColumnType( Types.TINYINT, "ODBC.TINYINT" );
registerColumnType( Types.INTEGER, "INTEGER" );
registerColumnType( Types.CHAR, "NCHAR(1)" );
registerColumnType( Types.VARCHAR, NATIONAL_CHAR_LENGTH, "NATIONAL CHARACTER VARYING($l)" );
registerColumnType( Types.VARCHAR, "NCLOB($l)" );
registerColumnType( Types.LONGVARCHAR, "CLOB($1)" );
registerColumnType( Types.FLOAT, "FLOAT" );
registerColumnType( Types.DOUBLE, "DOUBLE PRECISION" );
registerColumnType( Types.DATE, "DATE" );
registerColumnType( Types.TIME, "TIME" );
registerColumnType( Types.TIMESTAMP, "TIMESTAMP" );
registerColumnType( Types.VARBINARY, BINARY_MAX_LENGTH, "BINARY VARYING($l)" );
registerColumnType( Types.VARBINARY, "BLOB($1)" );
registerColumnType( Types.LONGVARBINARY, "BLOB($1)" );
registerColumnType( Types.BINARY, BINARY_MAX_LENGTH, "BINARY" );
registerColumnType( Types.BINARY, "BLOB($1)" );
registerColumnType( Types.NUMERIC, "NUMERIC(19, $l)" );
registerColumnType( Types.BLOB, "BLOB($l)" );
registerColumnType( Types.CLOB, "NCLOB($l)" );
registerFunction( "abs", new StandardSQLFunction( "abs" ) );
registerFunction( "sign", new StandardSQLFunction( "sign", StandardBasicTypes.INTEGER ) );
registerFunction( "ceiling", new StandardSQLFunction( "ceiling" ) );
registerFunction( "floor", new StandardSQLFunction( "floor" ) );
registerFunction( "round", new StandardSQLFunction( "round" ) );
registerFunction( "dacos", new StandardSQLFunction( "dacos", StandardBasicTypes.DOUBLE ) );
registerFunction( "acos", new StandardSQLFunction( "dacos", StandardBasicTypes.DOUBLE ) );
registerFunction( "dasin", new StandardSQLFunction( "dasin", StandardBasicTypes.DOUBLE ) );
registerFunction( "asin", new StandardSQLFunction( "dasin", StandardBasicTypes.DOUBLE ) );
registerFunction( "datan", new StandardSQLFunction( "datan", StandardBasicTypes.DOUBLE ) );
registerFunction( "atan", new StandardSQLFunction( "datan", StandardBasicTypes.DOUBLE ) );
registerFunction( "datan2", new StandardSQLFunction( "datan2", StandardBasicTypes.DOUBLE ) );
registerFunction( "atan2", new StandardSQLFunction( "datan2", StandardBasicTypes.DOUBLE ) );
registerFunction( "dcos", new StandardSQLFunction( "dcos", StandardBasicTypes.DOUBLE ) );
registerFunction( "cos", new StandardSQLFunction( "dcos", StandardBasicTypes.DOUBLE ) );
registerFunction( "dcot", new StandardSQLFunction( "dcot", StandardBasicTypes.DOUBLE ) );
registerFunction( "cot", new StandardSQLFunction( "dcot", StandardBasicTypes.DOUBLE ) );
registerFunction( "ddegrees", new StandardSQLFunction( "ddegrees", StandardBasicTypes.DOUBLE ) );
registerFunction( "degrees", new StandardSQLFunction( "ddegrees", StandardBasicTypes.DOUBLE ) );
registerFunction( "dexp", new StandardSQLFunction( "dexp", StandardBasicTypes.DOUBLE ) );
registerFunction( "exp", new StandardSQLFunction( "dexp", StandardBasicTypes.DOUBLE ) );
registerFunction( "dlog", new StandardSQLFunction( "dlog", StandardBasicTypes.DOUBLE ) );
registerFunction( "log", new StandardSQLFunction( "dlog", StandardBasicTypes.DOUBLE ) );
registerFunction( "dlog10", new StandardSQLFunction( "dlog10", StandardBasicTypes.DOUBLE ) );
registerFunction( "log10", new StandardSQLFunction( "dlog10", StandardBasicTypes.DOUBLE ) );
registerFunction( "dradian", new StandardSQLFunction( "dradian", StandardBasicTypes.DOUBLE ) );
registerFunction( "radian", new StandardSQLFunction( "dradian", StandardBasicTypes.DOUBLE ) );
registerFunction( "dsin", new StandardSQLFunction( "dsin", StandardBasicTypes.DOUBLE ) );
registerFunction( "sin", new StandardSQLFunction( "dsin", StandardBasicTypes.DOUBLE ) );
registerFunction( "soundex", new StandardSQLFunction( "soundex", StandardBasicTypes.STRING ) );
registerFunction( "dsqrt", new StandardSQLFunction( "dsqrt", StandardBasicTypes.DOUBLE ) );
registerFunction( "sqrt", new StandardSQLFunction( "dsqrt", StandardBasicTypes.DOUBLE ) );
registerFunction( "dtan", new StandardSQLFunction( "dtan", StandardBasicTypes.DOUBLE ) );
registerFunction( "tan", new StandardSQLFunction( "dtan", StandardBasicTypes.DOUBLE ) );
registerFunction( "dpower", new StandardSQLFunction( "dpower" ) );
registerFunction( "power", new StandardSQLFunction( "dpower" ) );
registerFunction( "date", new StandardSQLFunction( "date", StandardBasicTypes.DATE ) );
registerFunction( "dayofweek", new StandardSQLFunction( "dayofweek", StandardBasicTypes.INTEGER ) );
registerFunction( "dayofyear", new StandardSQLFunction( "dayofyear", StandardBasicTypes.INTEGER ) );
registerFunction( "time", new StandardSQLFunction( "time", StandardBasicTypes.TIME ) );
registerFunction( "timestamp", new StandardSQLFunction( "timestamp", StandardBasicTypes.TIMESTAMP ) );
registerFunction( "week", new StandardSQLFunction( "week", StandardBasicTypes.INTEGER ) );
registerFunction( "varchar", new StandardSQLFunction( "varchar", StandardBasicTypes.STRING ) );
registerFunction( "real", new StandardSQLFunction( "real", StandardBasicTypes.FLOAT ) );
registerFunction( "bigint", new StandardSQLFunction( "bigint", StandardBasicTypes.LONG ) );
registerFunction( "char", new StandardSQLFunction( "char", StandardBasicTypes.CHARACTER ) );
registerFunction( "integer", new StandardSQLFunction( "integer", StandardBasicTypes.INTEGER ) );
registerFunction( "smallint", new StandardSQLFunction( "smallint", StandardBasicTypes.SHORT ) );
registerFunction( "ascii_char", new StandardSQLFunction( "ascii_char", StandardBasicTypes.CHARACTER ) );
registerFunction( "ascii_code", new StandardSQLFunction( "ascii_code", StandardBasicTypes.STRING ) );
registerFunction( "unicode_char", new StandardSQLFunction( "unicode_char", StandardBasicTypes.LONG ) );
registerFunction( "unicode_code", new StandardSQLFunction( "unicode_code", StandardBasicTypes.STRING ) );
registerFunction( "upper", new StandardSQLFunction( "upper" ) );
registerFunction( "lower", new StandardSQLFunction( "lower" ) );
registerFunction( "char_length", new StandardSQLFunction( "char_length", StandardBasicTypes.LONG ) );
registerFunction( "bit_length", new StandardSQLFunction( "bit_length", StandardBasicTypes.STRING ) );
getDefaultProperties().setProperty( Environment.USE_STREAMS_FOR_BINARY, "true" );
getDefaultProperties().setProperty( Environment.STATEMENT_BATCH_SIZE, "50" );
}
@Override
public String getAddColumnString() {
return "add column";
}
@Override
public boolean dropConstraints() {
return false;
}
@Override
public boolean supportsIdentityColumns() {
return false;
}
@Override
public boolean supportsSequences() {
return true;
}
@Override
public String getSequenceNextValString(String sequenceName) {
return "select next_value of " + sequenceName + " from system.onerow";
}
@Override
public String getCreateSequenceString(String sequenceName) {
return "create unique sequence " + sequenceName;
}
@Override
public String getDropSequenceString(String sequenceName) {
return "drop sequence " + sequenceName + " restrict";
}
@Override
public boolean supportsLimit() {
return false;
}
@Override
public String getCascadeConstraintsString() {
return " cascade";
}
@Override
public String getQuerySequencesString() {
return "select sequence_schema || '.' || sequence_name from information_schema.ext_sequences";
}
@Override
public boolean forUpdateOfColumns() {
return false;
}
@Override
public boolean supportsOuterJoinForUpdate() {
return false;
}
}