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org.hibernate.dialect.CUBRIDDialect Maven / Gradle / Ivy
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2011, 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.MappingException;
import org.hibernate.cfg.Environment;
import org.hibernate.dialect.function.NoArgSQLFunction;
import org.hibernate.dialect.function.StandardSQLFunction;
import org.hibernate.dialect.function.VarArgsSQLFunction;
import org.hibernate.type.StandardBasicTypes;
/**
* An SQL dialect for CUBRID (8.3.x and later).
*
* @author Seok Jeong Il
*/
public class CUBRIDDialect extends Dialect {
@Override
protected String getIdentityColumnString() throws MappingException {
return "auto_increment"; //starts with 1, implicitly
}
@Override
public String getIdentitySelectString(String table, String column, int type)
throws MappingException {
// CUBRID 8.4.0 support last_insert_id()
// return "select last_insert_id()";
return "select current_val from db_serial where name = '" + ( table + "_ai_" + column ).toLowerCase() + "'";
}
public CUBRIDDialect() {
super();
registerColumnType( Types.BIT, "bit(8)" );
registerColumnType( Types.BIGINT, "numeric(19,0)" );
registerColumnType( Types.SMALLINT, "short" );
registerColumnType( Types.TINYINT, "short" );
registerColumnType( Types.INTEGER, "integer" );
registerColumnType( Types.CHAR, "char(1)" );
registerColumnType( Types.VARCHAR, 4000, "varchar($l)" );
registerColumnType( Types.FLOAT, "float" );
registerColumnType( Types.DOUBLE, "double" );
registerColumnType( Types.DATE, "date" );
registerColumnType( Types.TIME, "time" );
registerColumnType( Types.TIMESTAMP, "timestamp" );
registerColumnType( Types.VARBINARY, 2000, "bit varying($l)" );
registerColumnType( Types.NUMERIC, "numeric($p,$s)" );
registerColumnType( Types.BLOB, "blob" );
registerColumnType( Types.CLOB, "string" );
getDefaultProperties().setProperty( Environment.USE_STREAMS_FOR_BINARY, "true" );
getDefaultProperties().setProperty( Environment.STATEMENT_BATCH_SIZE, DEFAULT_BATCH_SIZE );
registerFunction( "substring", new StandardSQLFunction( "substr", StandardBasicTypes.STRING ) );
registerFunction( "trim", new StandardSQLFunction( "trim" ) );
registerFunction( "length", new StandardSQLFunction( "length", StandardBasicTypes.INTEGER ) );
registerFunction( "bit_length", new StandardSQLFunction( "bit_length", StandardBasicTypes.INTEGER ) );
registerFunction( "coalesce", new StandardSQLFunction( "coalesce" ) );
registerFunction( "nullif", new StandardSQLFunction( "nullif" ) );
registerFunction( "abs", new StandardSQLFunction( "abs" ) );
registerFunction( "mod", new StandardSQLFunction( "mod" ) );
registerFunction( "upper", new StandardSQLFunction( "upper" ) );
registerFunction( "lower", new StandardSQLFunction( "lower" ) );
registerFunction( "power", new StandardSQLFunction( "power" ) );
registerFunction( "stddev", new StandardSQLFunction( "stddev" ) );
registerFunction( "variance", new StandardSQLFunction( "variance" ) );
registerFunction( "round", new StandardSQLFunction( "round" ) );
registerFunction( "trunc", new StandardSQLFunction( "trunc" ) );
registerFunction( "ceil", new StandardSQLFunction( "ceil" ) );
registerFunction( "floor", new StandardSQLFunction( "floor" ) );
registerFunction( "ltrim", new StandardSQLFunction( "ltrim" ) );
registerFunction( "rtrim", new StandardSQLFunction( "rtrim" ) );
registerFunction( "nvl", new StandardSQLFunction( "nvl" ) );
registerFunction( "nvl2", new StandardSQLFunction( "nvl2" ) );
registerFunction( "sign", new StandardSQLFunction( "sign", StandardBasicTypes.INTEGER ) );
registerFunction( "chr", new StandardSQLFunction( "chr", StandardBasicTypes.CHARACTER ) );
registerFunction( "to_char", new StandardSQLFunction( "to_char", StandardBasicTypes.STRING ) );
registerFunction( "to_date", new StandardSQLFunction( "to_date", StandardBasicTypes.TIMESTAMP ) );
registerFunction( "last_day", new StandardSQLFunction( "last_day", StandardBasicTypes.DATE ) );
registerFunction( "instr", new StandardSQLFunction( "instr", StandardBasicTypes.INTEGER ) );
registerFunction( "instrb", new StandardSQLFunction( "instrb", StandardBasicTypes.INTEGER ) );
registerFunction( "lpad", new StandardSQLFunction( "lpad", StandardBasicTypes.STRING ) );
registerFunction( "replace", new StandardSQLFunction( "replace", StandardBasicTypes.STRING ) );
registerFunction( "rpad", new StandardSQLFunction( "rpad", StandardBasicTypes.STRING ) );
registerFunction( "substr", new StandardSQLFunction( "substr", StandardBasicTypes.STRING ) );
registerFunction( "substrb", new StandardSQLFunction( "substrb", StandardBasicTypes.STRING ) );
registerFunction( "translate", new StandardSQLFunction( "translate", StandardBasicTypes.STRING ) );
registerFunction( "add_months", new StandardSQLFunction( "add_months", StandardBasicTypes.DATE ) );
registerFunction( "months_between", new StandardSQLFunction( "months_between", StandardBasicTypes.FLOAT ) );
registerFunction( "current_date", new NoArgSQLFunction( "current_date", StandardBasicTypes.DATE, false ) );
registerFunction( "current_time", new NoArgSQLFunction( "current_time", StandardBasicTypes.TIME, false ) );
registerFunction(
"current_timestamp",
new NoArgSQLFunction( "current_timestamp", StandardBasicTypes.TIMESTAMP, false )
);
registerFunction( "sysdate", new NoArgSQLFunction( "sysdate", StandardBasicTypes.DATE, false ) );
registerFunction( "systime", new NoArgSQLFunction( "systime", StandardBasicTypes.TIME, false ) );
registerFunction( "systimestamp", new NoArgSQLFunction( "systimestamp", StandardBasicTypes.TIMESTAMP, false ) );
registerFunction( "user", new NoArgSQLFunction( "user", StandardBasicTypes.STRING, false ) );
registerFunction( "rownum", new NoArgSQLFunction( "rownum", StandardBasicTypes.LONG, false ) );
registerFunction( "concat", new VarArgsSQLFunction( StandardBasicTypes.STRING, "", "||", "" ) );
}
public String getAddColumnString() {
return "add";
}
public String getSequenceNextValString(String sequenceName) {
return "select " + sequenceName + ".next_value from table({1}) as T(X)";
}
public String getCreateSequenceString(String sequenceName) {
return "create serial " + sequenceName;
}
public String getDropSequenceString(String sequenceName) {
return "drop serial " + sequenceName;
}
public boolean supportsSequences() {
return true;
}
public String getQuerySequencesString() {
return "select name from db_serial";
}
public boolean dropConstraints() {
return false;
}
public boolean supportsLimit() {
return true;
}
public String getLimitString(String sql, boolean hasOffset) {
// CUBRID 8.3.0 support limit
return new StringBuilder( sql.length() + 20 ).append( sql )
.append( hasOffset ? " limit ?, ?" : " limit ?" ).toString();
}
public boolean bindLimitParametersInReverseOrder() {
return true;
}
public boolean useMaxForLimit() {
return true;
}
public boolean forUpdateOfColumns() {
return true;
}
public char closeQuote() {
return ']';
}
public char openQuote() {
return '[';
}
public boolean hasAlterTable() {
return false;
}
public String getForUpdateString() {
return " ";
}
public boolean supportsUnionAll() {
return true;
}
public boolean supportsCommentOn() {
return false;
}
public boolean supportsTemporaryTables() {
return false;
}
public boolean supportsCurrentTimestampSelection() {
return true;
}
public String getCurrentTimestampSelectString() {
return "select systimestamp from table({1}) as T(X)";
}
public boolean isCurrentTimestampSelectStringCallable() {
return false;
}
}
