Hibernate example source code file (CUBRIDDialect.java)

This example Hibernate source code file (CUBRIDDialect.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Hibernate tags/keywords

cubriddialect, cubriddialect, dialect, jdbc, mappingexception, noargsqlfunction, noargsqlfunction, override, sql, standardsqlfunction, standardsqlfunction, string, string, stringbuffer, t, varargssqlfunction

The Hibernate CUBRIDDialect.java source code

/*
 * 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 StringBuffer( 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;
    }
}