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org.hibernate.dialect.SAPDBDialect Maven / Gradle / Ivy
/*
* 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.NoArgSQLFunction;
import org.hibernate.dialect.function.SQLFunctionTemplate;
import org.hibernate.dialect.function.StandardSQLFunction;
import org.hibernate.dialect.function.VarArgsSQLFunction;
import org.hibernate.internal.util.StringHelper;
import org.hibernate.sql.CaseFragment;
import org.hibernate.sql.DecodeCaseFragment;
import org.hibernate.type.StandardBasicTypes;
/**
* An SQL dialect compatible with SAP DB.
*
* @author Brad Clow
*/
public class SAPDBDialect extends Dialect {
/**
* Constructs a SAPDBDialect
*/
public SAPDBDialect() {
super();
registerColumnType( Types.BIT, "boolean" );
registerColumnType( Types.BIGINT, "fixed(19,0)" );
registerColumnType( Types.SMALLINT, "smallint" );
registerColumnType( Types.TINYINT, "fixed(3,0)" );
registerColumnType( Types.INTEGER, "int" );
registerColumnType( Types.CHAR, "char(1)" );
registerColumnType( Types.VARCHAR, "varchar($l)" );
registerColumnType( Types.FLOAT, "float" );
registerColumnType( Types.DOUBLE, "double precision" );
registerColumnType( Types.DATE, "date" );
registerColumnType( Types.TIME, "time" );
registerColumnType( Types.TIMESTAMP, "timestamp" );
registerColumnType( Types.VARBINARY, "long byte" );
registerColumnType( Types.NUMERIC, "fixed($p,$s)" );
registerColumnType( Types.CLOB, "long varchar" );
registerColumnType( Types.BLOB, "long byte" );
registerFunction( "abs", new StandardSQLFunction( "abs" ) );
registerFunction( "sign", new StandardSQLFunction( "sign", StandardBasicTypes.INTEGER ) );
registerFunction( "exp", new StandardSQLFunction( "exp", StandardBasicTypes.DOUBLE ) );
registerFunction( "ln", new StandardSQLFunction( "ln", StandardBasicTypes.DOUBLE ) );
registerFunction( "log", new StandardSQLFunction( "ln", StandardBasicTypes.DOUBLE ) );
registerFunction( "pi", new NoArgSQLFunction( "pi", StandardBasicTypes.DOUBLE ) );
registerFunction( "power", new StandardSQLFunction( "power" ) );
registerFunction( "acos", new StandardSQLFunction( "acos", StandardBasicTypes.DOUBLE ) );
registerFunction( "asin", new StandardSQLFunction( "asin", StandardBasicTypes.DOUBLE ) );
registerFunction( "atan", new StandardSQLFunction( "atan", StandardBasicTypes.DOUBLE ) );
registerFunction( "cos", new StandardSQLFunction( "cos", StandardBasicTypes.DOUBLE ) );
registerFunction( "cosh", new StandardSQLFunction( "cosh", StandardBasicTypes.DOUBLE ) );
registerFunction( "cot", new StandardSQLFunction( "cos", StandardBasicTypes.DOUBLE ) );
registerFunction( "sin", new StandardSQLFunction( "sin", StandardBasicTypes.DOUBLE ) );
registerFunction( "sinh", new StandardSQLFunction( "sinh", StandardBasicTypes.DOUBLE ) );
registerFunction( "tan", new StandardSQLFunction( "tan", StandardBasicTypes.DOUBLE ) );
registerFunction( "tanh", new StandardSQLFunction( "tanh", StandardBasicTypes.DOUBLE ) );
registerFunction( "radians", new StandardSQLFunction( "radians", StandardBasicTypes.DOUBLE ) );
registerFunction( "degrees", new StandardSQLFunction( "degrees", StandardBasicTypes.DOUBLE ) );
registerFunction( "atan2", new StandardSQLFunction( "atan2", StandardBasicTypes.DOUBLE ) );
registerFunction( "round", new StandardSQLFunction( "round" ) );
registerFunction( "trunc", new StandardSQLFunction( "trunc" ) );
registerFunction( "ceil", new StandardSQLFunction( "ceil" ) );
registerFunction( "floor", new StandardSQLFunction( "floor" ) );
registerFunction( "greatest", new StandardSQLFunction( "greatest" ) );
registerFunction( "least", new StandardSQLFunction( "least" ) );
registerFunction( "time", new StandardSQLFunction( "time", StandardBasicTypes.TIME ) );
registerFunction( "timestamp", new StandardSQLFunction( "timestamp", StandardBasicTypes.TIMESTAMP ) );
registerFunction( "date", new StandardSQLFunction( "date", StandardBasicTypes.DATE ) );
registerFunction( "microsecond", new StandardSQLFunction( "microsecond", StandardBasicTypes.INTEGER ) );
registerFunction( "second", new SQLFunctionTemplate( StandardBasicTypes.INTEGER, "second(?1)" ) );
registerFunction( "minute", new SQLFunctionTemplate( StandardBasicTypes.INTEGER, "minute(?1)" ) );
registerFunction( "hour", new SQLFunctionTemplate( StandardBasicTypes.INTEGER, "hour(?1)" ) );
registerFunction( "day", new SQLFunctionTemplate( StandardBasicTypes.INTEGER, "day(?1)" ) );
registerFunction( "month", new SQLFunctionTemplate( StandardBasicTypes.INTEGER, "month(?1)" ) );
registerFunction( "year", new SQLFunctionTemplate( StandardBasicTypes.INTEGER, "year(?1)" ) );
registerFunction( "extract", new SQLFunctionTemplate( StandardBasicTypes.INTEGER, "?1(?3)" ) );
registerFunction( "dayname", new StandardSQLFunction( "dayname", StandardBasicTypes.STRING ) );
registerFunction( "monthname", new StandardSQLFunction( "monthname", StandardBasicTypes.STRING ) );
registerFunction( "dayofmonth", new StandardSQLFunction( "dayofmonth", StandardBasicTypes.INTEGER ) );
registerFunction( "dayofweek", new StandardSQLFunction( "dayofweek", StandardBasicTypes.INTEGER ) );
registerFunction( "dayofyear", new StandardSQLFunction( "dayofyear", StandardBasicTypes.INTEGER ) );
registerFunction( "weekofyear", new StandardSQLFunction( "weekofyear", StandardBasicTypes.INTEGER ) );
registerFunction( "replace", new StandardSQLFunction( "replace", StandardBasicTypes.STRING ) );
registerFunction( "translate", new StandardSQLFunction( "translate", StandardBasicTypes.STRING ) );
registerFunction( "lpad", new StandardSQLFunction( "lpad", StandardBasicTypes.STRING ) );
registerFunction( "rpad", new StandardSQLFunction( "rpad", StandardBasicTypes.STRING ) );
registerFunction( "substr", new StandardSQLFunction( "substr", StandardBasicTypes.STRING ) );
registerFunction( "initcap", new StandardSQLFunction( "initcap", StandardBasicTypes.STRING ) );
registerFunction( "lower", new StandardSQLFunction( "lower", StandardBasicTypes.STRING ) );
registerFunction( "ltrim", new StandardSQLFunction( "ltrim", StandardBasicTypes.STRING ) );
registerFunction( "rtrim", new StandardSQLFunction( "rtrim", StandardBasicTypes.STRING ) );
registerFunction( "lfill", new StandardSQLFunction( "ltrim", StandardBasicTypes.STRING ) );
registerFunction( "rfill", new StandardSQLFunction( "rtrim", StandardBasicTypes.STRING ) );
registerFunction( "soundex", new StandardSQLFunction( "soundex", StandardBasicTypes.STRING ) );
registerFunction( "upper", new StandardSQLFunction( "upper", StandardBasicTypes.STRING ) );
registerFunction( "ascii", new StandardSQLFunction( "ascii", StandardBasicTypes.STRING ) );
registerFunction( "index", new StandardSQLFunction( "index", StandardBasicTypes.INTEGER ) );
registerFunction( "value", new StandardSQLFunction( "value" ) );
registerFunction( "concat", new VarArgsSQLFunction( StandardBasicTypes.STRING, "(", "||", ")" ) );
registerFunction( "substring", new StandardSQLFunction( "substr", StandardBasicTypes.STRING ) );
registerFunction( "locate", new StandardSQLFunction( "index", StandardBasicTypes.INTEGER ) );
registerFunction( "coalesce", new StandardSQLFunction( "value" ) );
getDefaultProperties().setProperty( Environment.STATEMENT_BATCH_SIZE, DEFAULT_BATCH_SIZE );
}
@Override
public boolean dropConstraints() {
return false;
}
@Override
public String getAddColumnString() {
return "add";
}
@Override
public String getAddForeignKeyConstraintString(
String constraintName,
String[] foreignKey,
String referencedTable,
String[] primaryKey,
boolean referencesPrimaryKey) {
final StringBuilder res = new StringBuilder( 30 )
.append( " foreign key " )
.append( constraintName )
.append( " (" )
.append( StringHelper.join( ", ", foreignKey ) )
.append( ") references " )
.append( referencedTable );
if ( !referencesPrimaryKey ) {
res.append( " (" )
.append( StringHelper.join( ", ", primaryKey ) )
.append( ')' );
}
return res.toString();
}
@Override
public String getAddPrimaryKeyConstraintString(String constraintName) {
return " primary key ";
}
@Override
public String getNullColumnString() {
return " null";
}
@Override
public String getSequenceNextValString(String sequenceName) {
return "select " + getSelectSequenceNextValString( sequenceName ) + " from dual";
}
@Override
public String getSelectSequenceNextValString(String sequenceName) {
return sequenceName + ".nextval";
}
@Override
public String getCreateSequenceString(String sequenceName) {
return "create sequence " + sequenceName;
}
@Override
public String getDropSequenceString(String sequenceName) {
return "drop sequence " + sequenceName;
}
@Override
public String getQuerySequencesString() {
return "select sequence_name from domain.sequences";
}
@Override
public boolean supportsSequences() {
return true;
}
@Override
public CaseFragment createCaseFragment() {
return new DecodeCaseFragment();
}
@Override
public boolean supportsTemporaryTables() {
return true;
}
@Override
public String getCreateTemporaryTablePostfix() {
return "ignore rollback";
}
@Override
public String generateTemporaryTableName(String baseTableName) {
return "temp." + super.generateTemporaryTableName( baseTableName );
}
}
