Package org.hibernate.dialect.function

Examples of org.hibernate.dialect.function.StandardSQLFunction

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    // support this overloaded version.
    getDefaultProperties().setProperty( Environment.USE_GET_GENERATED_KEYS, "false" );
    getDefaultProperties().setProperty( Environment.USE_STREAMS_FOR_BINARY, "true" );
    getDefaultProperties().setProperty( Environment.STATEMENT_BATCH_SIZE, DEFAULT_BATCH_SIZE );

    registerFunction( "abs", new StandardSQLFunction( "abs" ) );
    registerFunction( "sign", new StandardSQLFunction( "sign", StandardBasicTypes.INTEGER ) );

    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( "exp", new StandardSQLFunction( "exp", StandardBasicTypes.DOUBLE ) );
    registerFunction( "ln", new StandardSQLFunction( "ln", StandardBasicTypes.DOUBLE ) );
    registerFunction( "sin", new StandardSQLFunction( "sin", StandardBasicTypes.DOUBLE ) );
    registerFunction( "sinh", new StandardSQLFunction( "sinh", StandardBasicTypes.DOUBLE ) );
    registerFunction( "stddev", new StandardSQLFunction( "stddev", StandardBasicTypes.DOUBLE ) );
    registerFunction( "sqrt", new StandardSQLFunction( "sqrt", StandardBasicTypes.DOUBLE ) );
    registerFunction( "tan", new StandardSQLFunction( "tan", StandardBasicTypes.DOUBLE ) );
    registerFunction( "tanh", new StandardSQLFunction( "tanh", StandardBasicTypes.DOUBLE ) );
    registerFunction( "variance", new StandardSQLFunction( "variance", StandardBasicTypes.DOUBLE ) );

    registerFunction( "round", new StandardSQLFunction( "round" ) );
    registerFunction( "trunc", new StandardSQLFunction( "trunc" ) );
    registerFunction( "ceil", new StandardSQLFunction( "ceil" ) );
    registerFunction( "floor", new StandardSQLFunction( "floor" ) );

    registerFunction( "chr", new StandardSQLFunction( "chr", StandardBasicTypes.CHARACTER ) );
    registerFunction( "initcap", new StandardSQLFunction( "initcap" ) );
    registerFunction( "lower", new StandardSQLFunction( "lower" ) );
    registerFunction( "ltrim", new StandardSQLFunction( "ltrim" ) );
    registerFunction( "rtrim", new StandardSQLFunction( "rtrim" ) );
    registerFunction( "soundex", new StandardSQLFunction( "soundex" ) );
    registerFunction( "upper", new StandardSQLFunction( "upper" ) );
    registerFunction( "ascii", new StandardSQLFunction( "ascii", StandardBasicTypes.INTEGER ) );

    registerFunction( "to_char", new StandardSQLFunction( "to_char", StandardBasicTypes.STRING ) );
    registerFunction( "to_date", new StandardSQLFunction( "to_date", StandardBasicTypes.TIMESTAMP ) );

    registerFunction( "current_date", new NoArgSQLFunction( "current_date", StandardBasicTypes.DATE, false ) );
    registerFunction( "current_time", new NoArgSQLFunction( "current_timestamp", StandardBasicTypes.TIME, false ) );
    registerFunction(
        "current_timestamp", new NoArgSQLFunction(
        "current_timestamp",
        StandardBasicTypes.TIMESTAMP,
        false
    )
    );

    registerFunction( "last_day", new StandardSQLFunction( "last_day", StandardBasicTypes.DATE ) );
    registerFunction( "sysdate", new NoArgSQLFunction( "sysdate", StandardBasicTypes.DATE, false ) );
    registerFunction( "systimestamp", new NoArgSQLFunction( "systimestamp", StandardBasicTypes.TIMESTAMP, false ) );
    registerFunction( "uid", new NoArgSQLFunction( "uid", StandardBasicTypes.INTEGER, false ) );
    registerFunction( "user", new NoArgSQLFunction( "user", StandardBasicTypes.STRING, false ) );

    registerFunction( "rowid", new NoArgSQLFunction( "rowid", StandardBasicTypes.LONG, false ) );
    registerFunction( "rownum", new NoArgSQLFunction( "rownum", StandardBasicTypes.LONG, false ) );

    // Multi-param string dialect functions...
    registerFunction( "concat", new VarArgsSQLFunction( StandardBasicTypes.STRING, "", "||", "" ) );
    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( "substring", new StandardSQLFunction( "substr", StandardBasicTypes.STRING ) );
    registerFunction( "locate", new SQLFunctionTemplate( StandardBasicTypes.INTEGER, "instr(?2,?1)" ) );
    registerFunction( "bit_length", new SQLFunctionTemplate( StandardBasicTypes.INTEGER, "vsize(?1)*8" ) );
    registerFunction( "coalesce", new NvlFunction() );

    // Multi-param numeric dialect functions...
    registerFunction( "atan2", new StandardSQLFunction( "atan2", StandardBasicTypes.FLOAT ) );
    registerFunction( "log", new StandardSQLFunction( "log", StandardBasicTypes.INTEGER ) );
    registerFunction( "mod", new StandardSQLFunction( "mod", StandardBasicTypes.INTEGER ) );
    registerFunction( "nvl", new StandardSQLFunction( "nvl" ) );
    registerFunction( "nvl2", new StandardSQLFunction( "nvl2" ) );
    registerFunction( "power", new StandardSQLFunction( "power", StandardBasicTypes.FLOAT ) );

    // Multi-param date dialect functions...
    registerFunction( "add_months", new StandardSQLFunction( "add_months", StandardBasicTypes.DATE ) );
    registerFunction( "months_between", new StandardSQLFunction( "months_between", StandardBasicTypes.FLOAT ) );
    registerFunction( "next_day", new StandardSQLFunction( "next_day", StandardBasicTypes.DATE ) );

    registerFunction( "str", new StandardSQLFunction( "to_char", StandardBasicTypes.STRING ) );
  }
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    registerColumnType( Types.TINYINT, "smallint" );

    registerHibernateType( Types.NCLOB, StandardBasicTypes.NCLOB.getName() );
    registerHibernateType( Types.NVARCHAR, StandardBasicTypes.STRING.getName() );

    registerFunction( "to_date", new StandardSQLFunction( "to_date", StandardBasicTypes.DATE ) );
    registerFunction( "to_seconddate", new StandardSQLFunction( "to_seconddate", StandardBasicTypes.TIMESTAMP ) );
    registerFunction( "to_time", new StandardSQLFunction( "to_time", StandardBasicTypes.TIME ) );
    registerFunction( "to_timestamp", new StandardSQLFunction( "to_timestamp", StandardBasicTypes.TIMESTAMP ) );

    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( "current_utcdate", new NoArgSQLFunction( "current_utcdate", StandardBasicTypes.DATE, false ) );
    registerFunction( "current_utctime", new NoArgSQLFunction( "current_utctime", StandardBasicTypes.TIME, false ) );
    registerFunction( "current_utctimestamp", new NoArgSQLFunction( "current_utctimestamp",
        StandardBasicTypes.TIMESTAMP, false ) );

    registerFunction( "add_days", new StandardSQLFunction( "add_days" ) );
    registerFunction( "add_months", new StandardSQLFunction( "add_months" ) );
    registerFunction( "add_seconds", new StandardSQLFunction( "add_seconds" ) );
    registerFunction( "add_years", new StandardSQLFunction( "add_years" ) );
    registerFunction( "dayname", new StandardSQLFunction( "dayname", StandardBasicTypes.STRING ) );
    registerFunction( "dayofmonth", new StandardSQLFunction( "dayofmonth", StandardBasicTypes.INTEGER ) );
    registerFunction( "dayofyear", new StandardSQLFunction( "dayofyear", StandardBasicTypes.INTEGER ) );
    registerFunction( "days_between", new StandardSQLFunction( "days_between", StandardBasicTypes.INTEGER ) );
    registerFunction( "hour", new StandardSQLFunction( "hour", StandardBasicTypes.INTEGER ) );
    registerFunction( "isoweek", new StandardSQLFunction( "isoweek", StandardBasicTypes.STRING ) );
    registerFunction( "last_day", new StandardSQLFunction( "last_day", StandardBasicTypes.DATE ) );
    registerFunction( "localtoutc", new StandardSQLFunction( "localtoutc", StandardBasicTypes.TIMESTAMP ) );
    registerFunction( "minute", new StandardSQLFunction( "minute", StandardBasicTypes.INTEGER ) );
    registerFunction( "month", new StandardSQLFunction( "month", StandardBasicTypes.INTEGER ) );
    registerFunction( "monthname", new StandardSQLFunction( "monthname", StandardBasicTypes.STRING ) );
    registerFunction( "next_day", new StandardSQLFunction( "next_day", StandardBasicTypes.DATE ) );
    registerFunction( "now", new NoArgSQLFunction( "now", StandardBasicTypes.TIMESTAMP, true ) );
    registerFunction( "quarter", new StandardSQLFunction( "quarter", StandardBasicTypes.STRING ) );
    registerFunction( "second", new StandardSQLFunction( "second", StandardBasicTypes.INTEGER ) );
    registerFunction( "seconds_between", new StandardSQLFunction( "seconds_between", StandardBasicTypes.LONG ) );
    registerFunction( "week", new StandardSQLFunction( "week", StandardBasicTypes.INTEGER ) );
    registerFunction( "weekday", new StandardSQLFunction( "weekday", StandardBasicTypes.INTEGER ) );
    registerFunction( "year", new StandardSQLFunction( "year", StandardBasicTypes.INTEGER ) );
    registerFunction( "utctolocal", new StandardSQLFunction( "utctolocal", StandardBasicTypes.TIMESTAMP ) );

    registerFunction( "to_bigint", new StandardSQLFunction( "to_bigint", StandardBasicTypes.LONG ) );
    registerFunction( "to_binary", new StandardSQLFunction( "to_binary", StandardBasicTypes.BINARY ) );
    registerFunction( "to_decimal", new StandardSQLFunction( "to_decimal", StandardBasicTypes.BIG_DECIMAL ) );
    registerFunction( "to_double", new StandardSQLFunction( "to_double", StandardBasicTypes.DOUBLE ) );
    registerFunction( "to_int", new StandardSQLFunction( "to_int", StandardBasicTypes.INTEGER ) );
    registerFunction( "to_integer", new StandardSQLFunction( "to_integer", StandardBasicTypes.INTEGER ) );
    registerFunction( "to_real", new StandardSQLFunction( "to_real", StandardBasicTypes.FLOAT ) );
    registerFunction( "to_smalldecimal",
        new StandardSQLFunction( "to_smalldecimal", StandardBasicTypes.BIG_DECIMAL ) );
    registerFunction( "to_smallint", new StandardSQLFunction( "to_smallint", StandardBasicTypes.SHORT ) );
    registerFunction( "to_tinyint", new StandardSQLFunction( "to_tinyint", StandardBasicTypes.BYTE ) );

    registerFunction( "abs", new StandardSQLFunction( "abs" ) );
    registerFunction( "acos", new StandardSQLFunction( "acos", StandardBasicTypes.DOUBLE ) );
    registerFunction( "asin", new StandardSQLFunction( "asin", StandardBasicTypes.DOUBLE ) );
    registerFunction( "atan2", new StandardSQLFunction( "atan", StandardBasicTypes.DOUBLE ) );
    registerFunction( "bin2hex", new StandardSQLFunction( "bin2hex", StandardBasicTypes.STRING ) );
    registerFunction( "bitand", new StandardSQLFunction( "bitand", StandardBasicTypes.LONG ) );
    registerFunction( "ceil", new StandardSQLFunction( "ceil" ) );
    registerFunction( "cos", new StandardSQLFunction( "cos", StandardBasicTypes.DOUBLE ) );
    registerFunction( "cosh", new StandardSQLFunction( "cosh", StandardBasicTypes.DOUBLE ) );
    registerFunction( "cot", new StandardSQLFunction( "cos", StandardBasicTypes.DOUBLE ) );
    registerFunction( "exp", new StandardSQLFunction( "exp", StandardBasicTypes.DOUBLE ) );
    registerFunction( "floor", new StandardSQLFunction( "floor" ) );
    registerFunction( "greatest", new StandardSQLFunction( "greatest" ) );
    registerFunction( "hex2bin", new StandardSQLFunction( "hex2bin", StandardBasicTypes.BINARY ) );
    registerFunction( "least", new StandardSQLFunction( "least" ) );
    registerFunction( "ln", new StandardSQLFunction( "ln", StandardBasicTypes.DOUBLE ) );
    registerFunction( "log", new StandardSQLFunction( "ln", StandardBasicTypes.DOUBLE ) );
    registerFunction( "power", new StandardSQLFunction( "power" ) );
    registerFunction( "round", new StandardSQLFunction( "round" ) );
    registerFunction( "mod", new StandardSQLFunction( "mod", StandardBasicTypes.INTEGER ) );
    registerFunction( "sign", new StandardSQLFunction( "sign", StandardBasicTypes.INTEGER ) );
    registerFunction( "sin", new StandardSQLFunction( "sin", StandardBasicTypes.DOUBLE ) );
    registerFunction( "sinh", new StandardSQLFunction( "sinh", StandardBasicTypes.DOUBLE ) );
    registerFunction( "sqrt", new StandardSQLFunction( "sqrt", StandardBasicTypes.DOUBLE ) );
    registerFunction( "tan", new StandardSQLFunction( "tan", StandardBasicTypes.DOUBLE ) );
    registerFunction( "tanh", new StandardSQLFunction( "tanh", StandardBasicTypes.DOUBLE ) );
    registerFunction( "uminus", new StandardSQLFunction( "uminus" ) );

    registerFunction( "to_alphanum", new StandardSQLFunction( "to_alphanum", StandardBasicTypes.STRING ) );
    registerFunction( "to_nvarchar", new StandardSQLFunction( "to_nvarchar", StandardBasicTypes.STRING ) );
    registerFunction( "to_varchar", new StandardSQLFunction( "to_varchar", StandardBasicTypes.STRING ) );

    registerFunction( "ascii", new StandardSQLFunction( "ascii", StandardBasicTypes.INTEGER ) );
    registerFunction( "char", new StandardSQLFunction( "char", StandardBasicTypes.CHARACTER ) );
    registerFunction( "concat", new VarArgsSQLFunction( StandardBasicTypes.STRING, "(", "||", ")" ) );
    registerFunction( "lcase", new StandardSQLFunction( "lcase", StandardBasicTypes.STRING ) );
    registerFunction( "left", new StandardSQLFunction( "left", StandardBasicTypes.STRING ) );
    registerFunction( "length", new StandardSQLFunction( "length", StandardBasicTypes.LONG ) );
    registerFunction( "locate", new StandardSQLFunction( "locate", StandardBasicTypes.INTEGER ) );
    registerFunction( "lpad", new StandardSQLFunction( "lpad", StandardBasicTypes.STRING ) );
    registerFunction( "ltrim", new StandardSQLFunction( "ltrim", StandardBasicTypes.STRING ) );
    registerFunction( "nchar", new StandardSQLFunction( "nchar", StandardBasicTypes.STRING ) );
    registerFunction( "replace", new StandardSQLFunction( "replace", StandardBasicTypes.STRING ) );
    registerFunction( "right", new StandardSQLFunction( "right", StandardBasicTypes.STRING ) );
    registerFunction( "rpad", new StandardSQLFunction( "rpad", StandardBasicTypes.STRING ) );
    registerFunction( "rtrim", new StandardSQLFunction( "rtrim", StandardBasicTypes.STRING ) );
    registerFunction( "substr_after", new StandardSQLFunction( "substr_after", StandardBasicTypes.STRING ) );
    registerFunction( "substr_before", new StandardSQLFunction( "substr_before", StandardBasicTypes.STRING ) );
    registerFunction( "substring", new StandardSQLFunction( "substring", StandardBasicTypes.STRING ) );
    registerFunction( "trim", new AnsiTrimFunction() );
    registerFunction( "ucase", new StandardSQLFunction( "ucase", StandardBasicTypes.STRING ) );
    registerFunction( "unicode", new StandardSQLFunction( "unicode", StandardBasicTypes.INTEGER ) );
    registerFunction( "bit_length", new SQLFunctionTemplate( StandardBasicTypes.INTEGER, "length(to_binary(?1))*8" ) );

    registerFunction( "to_blob", new StandardSQLFunction( "to_blob", StandardBasicTypes.BLOB ) );
    registerFunction( "to_clob", new StandardSQLFunction( "to_clob", StandardBasicTypes.CLOB ) );
    registerFunction( "to_nclob", new StandardSQLFunction( "to_nclob", StandardBasicTypes.NCLOB ) );

    registerFunction( "coalesce", new StandardSQLFunction( "coalesce" ) );
    registerFunction( "current_connection", new NoArgSQLFunction( "current_connection", StandardBasicTypes.INTEGER,
        false ) );
    registerFunction( "current_schema", new NoArgSQLFunction( "current_schema", StandardBasicTypes.STRING, false ) );
    registerFunction( "current_user", new NoArgSQLFunction( "current_user", StandardBasicTypes.STRING, false ) );
    registerFunction( "grouping_id", new VarArgsSQLFunction( StandardBasicTypes.INTEGER, "(", ",", ")" ) );
    registerFunction( "ifnull", new StandardSQLFunction( "ifnull" ) );
    registerFunction( "map", new StandardSQLFunction( "map" ) );
    registerFunction( "nullif", new StandardSQLFunction( "nullif" ) );
    registerFunction( "session_context", new StandardSQLFunction( "session_context" ) );
    registerFunction( "session_user", new NoArgSQLFunction( "session_user", StandardBasicTypes.STRING, false ) );
    registerFunction( "sysuuid", new NoArgSQLFunction( "sysuuid", StandardBasicTypes.STRING, false ) );

    registerHanaKeywords();

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  protected void registerReverseHibernateTypeMappings() {
  }

  protected void registerFunctions() {
    registerFunction( "abs", new StandardSQLFunction("abs") );
    registerFunction( "sign", new StandardSQLFunction("sign", StandardBasicTypes.INTEGER) );

    registerFunction( "acos", new StandardSQLFunction("acos", StandardBasicTypes.DOUBLE) );
    registerFunction( "asin", new StandardSQLFunction("asin", StandardBasicTypes.DOUBLE) );
    registerFunction( "atan", new StandardSQLFunction("atan", StandardBasicTypes.DOUBLE) );
    registerFunction( "bitand", new StandardSQLFunction("bitand") );
    registerFunction( "cos", new StandardSQLFunction("cos", StandardBasicTypes.DOUBLE) );
    registerFunction( "cosh", new StandardSQLFunction("cosh", StandardBasicTypes.DOUBLE) );
    registerFunction( "exp", new StandardSQLFunction("exp", StandardBasicTypes.DOUBLE) );
    registerFunction( "ln", new StandardSQLFunction("ln", StandardBasicTypes.DOUBLE) );
    registerFunction( "sin", new StandardSQLFunction("sin", StandardBasicTypes.DOUBLE) );
    registerFunction( "sinh", new StandardSQLFunction("sinh", StandardBasicTypes.DOUBLE) );
    registerFunction( "stddev", new StandardSQLFunction("stddev", StandardBasicTypes.DOUBLE) );
    registerFunction( "sqrt", new StandardSQLFunction("sqrt", StandardBasicTypes.DOUBLE) );
    registerFunction( "tan", new StandardSQLFunction("tan", StandardBasicTypes.DOUBLE) );
    registerFunction( "tanh", new StandardSQLFunction("tanh", StandardBasicTypes.DOUBLE) );
    registerFunction( "variance", new StandardSQLFunction("variance", StandardBasicTypes.DOUBLE) );

    registerFunction( "round", new StandardSQLFunction("round") );
    registerFunction( "trunc", new StandardSQLFunction("trunc") );
    registerFunction( "ceil", new StandardSQLFunction("ceil") );
    registerFunction( "floor", new StandardSQLFunction("floor") );

    registerFunction( "chr", new StandardSQLFunction("chr", StandardBasicTypes.CHARACTER) );
    registerFunction( "initcap", new StandardSQLFunction("initcap") );
    registerFunction( "lower", new StandardSQLFunction("lower") );
    registerFunction( "ltrim", new StandardSQLFunction("ltrim") );
    registerFunction( "rtrim", new StandardSQLFunction("rtrim") );
    registerFunction( "soundex", new StandardSQLFunction("soundex") );
    registerFunction( "upper", new StandardSQLFunction("upper") );
    registerFunction( "ascii", new StandardSQLFunction("ascii", StandardBasicTypes.INTEGER) );

    registerFunction( "to_char", new StandardSQLFunction("to_char", StandardBasicTypes.STRING) );
    registerFunction( "to_date", new StandardSQLFunction("to_date", StandardBasicTypes.TIMESTAMP) );

    registerFunction( "current_date", new NoArgSQLFunction("current_date", StandardBasicTypes.DATE, false) );
    registerFunction( "current_time", new NoArgSQLFunction("current_timestamp", StandardBasicTypes.TIME, false) );
    registerFunction( "current_timestamp", new NoArgSQLFunction("current_timestamp", StandardBasicTypes.TIMESTAMP, false) );

    registerFunction( "last_day", new StandardSQLFunction("last_day", StandardBasicTypes.DATE) );
    registerFunction( "sysdate", new NoArgSQLFunction("sysdate", StandardBasicTypes.DATE, false) );
    registerFunction( "systimestamp", new NoArgSQLFunction("systimestamp", StandardBasicTypes.TIMESTAMP, false) );
    registerFunction( "uid", new NoArgSQLFunction("uid", StandardBasicTypes.INTEGER, false) );
    registerFunction( "user", new NoArgSQLFunction("user", StandardBasicTypes.STRING, false) );

    registerFunction( "rowid", new NoArgSQLFunction("rowid", StandardBasicTypes.LONG, false) );
    registerFunction( "rownum", new NoArgSQLFunction("rownum", StandardBasicTypes.LONG, false) );

    // Multi-param string dialect functions...
    registerFunction( "concat", new VarArgsSQLFunction(StandardBasicTypes.STRING, "", "||", "") );
    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( "substring", new StandardSQLFunction( "substr", StandardBasicTypes.STRING ) );
    registerFunction( "locate", new SQLFunctionTemplate( StandardBasicTypes.INTEGER, "instr(?2,?1)" ) );
    registerFunction( "bit_length", new SQLFunctionTemplate( StandardBasicTypes.INTEGER, "vsize(?1)*8" ) );
    registerFunction( "coalesce", new NvlFunction() );

    // Multi-param numeric dialect functions...
    registerFunction( "atan2", new StandardSQLFunction("atan2", StandardBasicTypes.FLOAT) );
    registerFunction( "log", new StandardSQLFunction("log", StandardBasicTypes.INTEGER) );
    registerFunction( "mod", new StandardSQLFunction("mod", StandardBasicTypes.INTEGER) );
    registerFunction( "nvl", new StandardSQLFunction("nvl") );
    registerFunction( "nvl2", new StandardSQLFunction("nvl2") );
    registerFunction( "power", new StandardSQLFunction("power", StandardBasicTypes.FLOAT) );

    // Multi-param date dialect functions...
    registerFunction( "add_months", new StandardSQLFunction("add_months", StandardBasicTypes.DATE) );
    registerFunction( "months_between", new StandardSQLFunction("months_between", StandardBasicTypes.FLOAT) );
    registerFunction( "next_day", new StandardSQLFunction("next_day", StandardBasicTypes.DATE) );

    registerFunction( "str", new StandardSQLFunction("to_char", StandardBasicTypes.STRING) );
  }
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     * characteristics. If StandardSQLFunction(...) is used, the RDMS BIF
     * name and the return type (if any) is specified.  If
     * SQLFunctionTemplate(...) is used, the return type and a template
     * string is provided, plus an optional hasParenthesesIfNoArgs flag.
     */
    registerFunction( "abs", new StandardSQLFunction( "abs" ) );
    registerFunction( "sign", new StandardSQLFunction( "sign", StandardBasicTypes.INTEGER ) );

    registerFunction( "ascii", new StandardSQLFunction( "ascii", StandardBasicTypes.INTEGER ) );
    registerFunction( "char_length", new StandardSQLFunction( "char_length", StandardBasicTypes.INTEGER ) );
    registerFunction( "character_length", new StandardSQLFunction( "character_length", StandardBasicTypes.INTEGER ) );

    // The RDMS concat() function only supports 2 parameters
    registerFunction( "concat", new SQLFunctionTemplate( StandardBasicTypes.STRING, "concat(?1, ?2)" ) );
    registerFunction( "instr", new StandardSQLFunction( "instr", StandardBasicTypes.STRING ) );
    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( "lcase", new StandardSQLFunction( "lcase" ) );
    registerFunction( "lower", new StandardSQLFunction( "lower" ) );
    registerFunction( "ltrim", new StandardSQLFunction( "ltrim" ) );
    registerFunction( "reverse", new StandardSQLFunction( "reverse" ) );
    registerFunction( "rtrim", new StandardSQLFunction( "rtrim" ) );

    // RDMS does not directly support the trim() function, we use rtrim() and ltrim()
    registerFunction( "trim", new SQLFunctionTemplate( StandardBasicTypes.INTEGER, "ltrim(rtrim(?1))" ) );
    registerFunction( "soundex", new StandardSQLFunction( "soundex" ) );
    registerFunction( "space", new StandardSQLFunction( "space", StandardBasicTypes.STRING ) );
    registerFunction( "ucase", new StandardSQLFunction( "ucase" ) );
    registerFunction( "upper", new StandardSQLFunction( "upper" ) );

    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( "cot", StandardBasicTypes.DOUBLE ) );
    registerFunction( "exp", new StandardSQLFunction( "exp", StandardBasicTypes.DOUBLE ) );
    registerFunction( "ln", new StandardSQLFunction( "ln", StandardBasicTypes.DOUBLE ) );
    registerFunction( "log", new StandardSQLFunction( "log", StandardBasicTypes.DOUBLE ) );
    registerFunction( "log10", new StandardSQLFunction( "log10", StandardBasicTypes.DOUBLE ) );
    registerFunction( "pi", new NoArgSQLFunction( "pi", StandardBasicTypes.DOUBLE ) );
    registerFunction( "rand", new NoArgSQLFunction( "rand", StandardBasicTypes.DOUBLE ) );
    registerFunction( "sin", new StandardSQLFunction( "sin", StandardBasicTypes.DOUBLE ) );
    registerFunction( "sinh", new StandardSQLFunction( "sinh", StandardBasicTypes.DOUBLE ) );
    registerFunction( "sqrt", new StandardSQLFunction( "sqrt", StandardBasicTypes.DOUBLE ) );
    registerFunction( "tan", new StandardSQLFunction( "tan", StandardBasicTypes.DOUBLE ) );
    registerFunction( "tanh", new StandardSQLFunction( "tanh", StandardBasicTypes.DOUBLE ) );

    registerFunction( "round", new StandardSQLFunction( "round" ) );
    registerFunction( "trunc", new StandardSQLFunction( "trunc" ) );
    registerFunction( "ceil", new StandardSQLFunction( "ceil" ) );
    registerFunction( "floor", new StandardSQLFunction( "floor" ) );

    registerFunction( "chr", new StandardSQLFunction( "chr", StandardBasicTypes.CHARACTER ) );
    registerFunction( "initcap", new StandardSQLFunction( "initcap" ) );

    registerFunction( "user", new NoArgSQLFunction( "user", StandardBasicTypes.STRING, false ) );

    registerFunction( "current_date", new NoArgSQLFunction( "current_date", StandardBasicTypes.DATE, false ) );
    registerFunction( "current_time", new NoArgSQLFunction( "current_timestamp", StandardBasicTypes.TIME, false ) );
    registerFunction( "current_timestamp", new NoArgSQLFunction( "current_timestamp", StandardBasicTypes.TIMESTAMP, false ) );
    registerFunction( "curdate", new NoArgSQLFunction( "curdate", StandardBasicTypes.DATE ) );
    registerFunction( "curtime", new NoArgSQLFunction( "curtime", StandardBasicTypes.TIME ) );
    registerFunction( "days", new StandardSQLFunction( "days", StandardBasicTypes.INTEGER ) );
    registerFunction( "dayofmonth", new StandardSQLFunction( "dayofmonth", StandardBasicTypes.INTEGER ) );
    registerFunction( "dayname", new StandardSQLFunction( "dayname", StandardBasicTypes.STRING ) );
    registerFunction( "dayofweek", new StandardSQLFunction( "dayofweek", StandardBasicTypes.INTEGER ) );
    registerFunction( "dayofyear", new StandardSQLFunction( "dayofyear", StandardBasicTypes.INTEGER ) );
    registerFunction( "hour", new StandardSQLFunction( "hour", StandardBasicTypes.INTEGER ) );
    registerFunction( "last_day", new StandardSQLFunction( "last_day", StandardBasicTypes.DATE ) );
    registerFunction( "microsecond", new StandardSQLFunction( "microsecond", StandardBasicTypes.INTEGER ) );
    registerFunction( "minute", new StandardSQLFunction( "minute", StandardBasicTypes.INTEGER ) );
    registerFunction( "month", new StandardSQLFunction( "month", StandardBasicTypes.INTEGER ) );
    registerFunction( "monthname", new StandardSQLFunction( "monthname", StandardBasicTypes.STRING ) );
    registerFunction( "now", new NoArgSQLFunction( "now", StandardBasicTypes.TIMESTAMP ) );
    registerFunction( "quarter", new StandardSQLFunction( "quarter", StandardBasicTypes.INTEGER ) );
    registerFunction( "second", new StandardSQLFunction( "second", StandardBasicTypes.INTEGER ) );
    registerFunction( "time", new StandardSQLFunction( "time", StandardBasicTypes.TIME ) );
    registerFunction( "timestamp", new StandardSQLFunction( "timestamp", StandardBasicTypes.TIMESTAMP ) );
    registerFunction( "week", new StandardSQLFunction( "week", StandardBasicTypes.INTEGER ) );
    registerFunction( "year", new StandardSQLFunction( "year", StandardBasicTypes.INTEGER ) );

    registerFunction( "atan2", new StandardSQLFunction( "atan2", StandardBasicTypes.DOUBLE ) );
    registerFunction( "mod", new StandardSQLFunction( "mod", StandardBasicTypes.INTEGER ) );
    registerFunction( "nvl", new StandardSQLFunction( "nvl" ) );
    registerFunction( "power", new StandardSQLFunction( "power", StandardBasicTypes.DOUBLE ) );

    /**
     * For a list of column types to register, see section A-1
     * in 7862 7395, the Unisys JDBC manual.
     *
 
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    registerColumnType( Types.BOOLEAN, "bit" );

    registerFunction( "second", new SQLFunctionTemplate( StandardBasicTypes.INTEGER, "datepart(second, ?1)" ) );
    registerFunction( "minute", new SQLFunctionTemplate( StandardBasicTypes.INTEGER, "datepart(minute, ?1)" ) );
    registerFunction( "hour", new SQLFunctionTemplate( StandardBasicTypes.INTEGER, "datepart(hour, ?1)" ) );
    registerFunction( "locate", new StandardSQLFunction( "charindex", StandardBasicTypes.INTEGER ) );

    registerFunction( "extract", new SQLFunctionTemplate( StandardBasicTypes.INTEGER, "datepart(?1, ?3)" ) );
    registerFunction( "mod", new SQLFunctionTemplate( StandardBasicTypes.INTEGER, "?1 % ?2" ) );
    registerFunction( "bit_length", new SQLFunctionTemplate( StandardBasicTypes.INTEGER, "datalength(?1) * 8" ) );

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    registerColumnType( Types.BLOB, "VARBINARY(4000000)" );
    registerColumnType( Types.CLOB, "VARCHAR(4000000)" );

    getDefaultProperties().setProperty( Environment.USE_STREAMS_FOR_BINARY, "true" );
    getDefaultProperties().setProperty( Environment.STATEMENT_BATCH_SIZE, DEFAULT_BATCH_SIZE );
    registerFunction( "lower", new StandardSQLFunction( "lower" ) );
    registerFunction( "upper", new StandardSQLFunction( "upper" ) );
    registerFunction( "rtrim", new StandardSQLFunction( "rtrim" ) );
    registerFunction( "concat", new StandardSQLFunction( "concat", StandardBasicTypes.STRING ) );
    registerFunction( "mod", new StandardSQLFunction( "mod" ) );
    registerFunction( "to_char", new StandardSQLFunction( "to_char", StandardBasicTypes.STRING ) );
    registerFunction( "to_date", new StandardSQLFunction( "to_date", StandardBasicTypes.TIMESTAMP ) );
    registerFunction( "sysdate", new NoArgSQLFunction( "sysdate", StandardBasicTypes.TIMESTAMP, false ) );
    registerFunction( "getdate", new NoArgSQLFunction( "getdate", StandardBasicTypes.TIMESTAMP, false ) );
    registerFunction( "nvl", new StandardSQLFunction( "nvl" ) );

  }
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    // aggregate functions
    registerFunction( "avg", new AvgWithArgumentCastFunction( "double" ) );

    // string functions
    registerFunction( "ascii", new StandardSQLFunction( "ascii", StandardBasicTypes.INTEGER ) );
    registerFunction( "char", new StandardSQLFunction( "char", StandardBasicTypes.CHARACTER ) );
    registerFunction( "lower", new StandardSQLFunction( "lower" ) );
    registerFunction( "upper", new StandardSQLFunction( "upper" ) );
    registerFunction( "lcase", new StandardSQLFunction( "lcase" ) );
    registerFunction( "ucase", new StandardSQLFunction( "ucase" ) );
    registerFunction( "soundex", new StandardSQLFunction( "soundex", StandardBasicTypes.STRING ) );
    registerFunction( "ltrim", new StandardSQLFunction( "ltrim" ) );
    registerFunction( "rtrim", new StandardSQLFunction( "rtrim" ) );
    registerFunction( "reverse", new StandardSQLFunction( "reverse" ) );
    registerFunction( "space", new StandardSQLFunction( "space", StandardBasicTypes.STRING ) );
    registerFunction( "str", new SQLFunctionTemplate( StandardBasicTypes.STRING, "cast(?1 as varchar(256))" ) );
    registerFunction( "to_char", new StandardSQLFunction( "to_char", StandardBasicTypes.STRING ) );
    registerFunction( "rawtohex", new StandardSQLFunction( "rawtohex" ) );
    registerFunction( "hextoraw", new StandardSQLFunction( "hextoraw" ) );

    // system functions
    registerFunction( "user", new NoArgSQLFunction( "user", StandardBasicTypes.STRING ) );
    registerFunction( "database", new NoArgSQLFunction( "database", StandardBasicTypes.STRING ) );

    // datetime functions
    if ( hsqldbVersion < 20 ) {
      registerFunction( "sysdate", new NoArgSQLFunction( "sysdate", StandardBasicTypes.DATE, false ) );
    }
    else {
      registerFunction( "sysdate", new NoArgSQLFunction( "sysdate", StandardBasicTypes.TIMESTAMP, false ) );
    }
    registerFunction( "current_date", new NoArgSQLFunction( "current_date", StandardBasicTypes.DATE, false ) );
    registerFunction( "curdate", new NoArgSQLFunction( "curdate", StandardBasicTypes.DATE ) );
    registerFunction(
        "current_timestamp", new NoArgSQLFunction( "current_timestamp", StandardBasicTypes.TIMESTAMP, false )
    );
    registerFunction( "now", new NoArgSQLFunction( "now", StandardBasicTypes.TIMESTAMP ) );
    registerFunction( "current_time", new NoArgSQLFunction( "current_time", StandardBasicTypes.TIME, false ) );
    registerFunction( "curtime", new NoArgSQLFunction( "curtime", StandardBasicTypes.TIME ) );
    registerFunction( "day", new StandardSQLFunction( "day", StandardBasicTypes.INTEGER ) );
    registerFunction( "dayofweek", new StandardSQLFunction( "dayofweek", StandardBasicTypes.INTEGER ) );
    registerFunction( "dayofyear", new StandardSQLFunction( "dayofyear", StandardBasicTypes.INTEGER ) );
    registerFunction( "dayofmonth", new StandardSQLFunction( "dayofmonth", StandardBasicTypes.INTEGER ) );
    registerFunction( "month", new StandardSQLFunction( "month", StandardBasicTypes.INTEGER ) );
    registerFunction( "year", new StandardSQLFunction( "year", StandardBasicTypes.INTEGER ) );
    registerFunction( "week", new StandardSQLFunction( "week", StandardBasicTypes.INTEGER ) );
    registerFunction( "quarter", new StandardSQLFunction( "quarter", StandardBasicTypes.INTEGER ) );
    registerFunction( "hour", new StandardSQLFunction( "hour", StandardBasicTypes.INTEGER ) );
    registerFunction( "minute", new StandardSQLFunction( "minute", StandardBasicTypes.INTEGER ) );
    registerFunction( "second", new SQLFunctionTemplate( StandardBasicTypes.INTEGER, "cast(second(?1) as int)" ) );
    registerFunction( "dayname", new StandardSQLFunction( "dayname", StandardBasicTypes.STRING ) );
    registerFunction( "monthname", new StandardSQLFunction( "monthname", StandardBasicTypes.STRING ) );

    // numeric functions
    registerFunction( "abs", new StandardSQLFunction( "abs" ) );
    registerFunction( "sign", new StandardSQLFunction( "sign", StandardBasicTypes.INTEGER ) );

    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( "cot", new StandardSQLFunction( "cot", StandardBasicTypes.DOUBLE ) );
    registerFunction( "exp", new StandardSQLFunction( "exp", StandardBasicTypes.DOUBLE ) );
    registerFunction( "log", new StandardSQLFunction( "log", StandardBasicTypes.DOUBLE ) );
    registerFunction( "log10", new StandardSQLFunction( "log10", StandardBasicTypes.DOUBLE ) );
    registerFunction( "sin", new StandardSQLFunction( "sin", StandardBasicTypes.DOUBLE ) );
    registerFunction( "sqrt", new StandardSQLFunction( "sqrt", StandardBasicTypes.DOUBLE ) );
    registerFunction( "tan", new StandardSQLFunction( "tan", StandardBasicTypes.DOUBLE ) );
    registerFunction( "pi", new NoArgSQLFunction( "pi", StandardBasicTypes.DOUBLE ) );
    registerFunction( "rand", new StandardSQLFunction( "rand", StandardBasicTypes.FLOAT ) );

    registerFunction( "radians", new StandardSQLFunction( "radians", StandardBasicTypes.DOUBLE ) );
    registerFunction( "degrees", new StandardSQLFunction( "degrees", StandardBasicTypes.DOUBLE ) );
    registerFunction( "round", new StandardSQLFunction( "round" ) );
    registerFunction( "roundmagic", new StandardSQLFunction( "roundmagic" ) );
    registerFunction( "truncate", new StandardSQLFunction( "truncate" ) );

    registerFunction( "ceiling", new StandardSQLFunction( "ceiling" ) );
    registerFunction( "floor", new StandardSQLFunction( "floor" ) );

    // special functions
    // from v. 2.2.0 ROWNUM() is supported in all modes as the equivalent of Oracle ROWNUM
    if ( hsqldbVersion > 21 ) {
      registerFunction( "rownum", new NoArgSQLFunction( "rownum", StandardBasicTypes.INTEGER ) );
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    registerColumnType( Types.VARBINARY, "varbinary" );
    registerColumnType( Types.NUMERIC, "numeric" );
    registerColumnType( Types.BLOB, "blob" );
    registerColumnType( Types.CLOB, "clob" );

    registerFunction( "upper", new StandardSQLFunction("upper") );
    registerFunction( "lower", new StandardSQLFunction("lower") );
    registerFunction( "sqrt", new StandardSQLFunction("sqrt", StandardBasicTypes.DOUBLE) );
    registerFunction( "abs", new StandardSQLFunction("abs") );
    registerFunction( "sign", new StandardSQLFunction( "sign", StandardBasicTypes.INTEGER ) );
    registerFunction( "round", new StandardSQLFunction( "round", StandardBasicTypes.INTEGER ) );
    registerFunction( "mod", new StandardSQLFunction( "mod", StandardBasicTypes.INTEGER ) );
    registerFunction( "least", new StandardSQLFunction("least") );
    registerFunction( "greatest", new StandardSQLFunction("greatest") );
    registerFunction( "user", new StandardSQLFunction( "user", StandardBasicTypes.STRING ) );
    registerFunction( "concat", new StandardSQLFunction( "concat", StandardBasicTypes.STRING ) );

    getDefaultProperties().setProperty( Environment.STATEMENT_BATCH_SIZE, NO_BATCH );
  }
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    getDefaultProperties().setProperty( Environment.USE_STREAMS_FOR_BINARY, "false" );
    getDefaultProperties().setProperty( Environment.STATEMENT_BATCH_SIZE, DEFAULT_BATCH_SIZE );

    getDefaultProperties().setProperty( Environment.USE_SQL_COMMENTS, "false" );

    registerFunction( "abs", new StandardSQLFunction( "abs" ) );
    registerFunction( "acos", new StandardJDBCEscapeFunction( "acos", StandardBasicTypes.DOUBLE ) );
    registerFunction( "%alphaup", new StandardSQLFunction( "%alphaup", StandardBasicTypes.STRING ) );
    registerFunction( "ascii", new StandardSQLFunction( "ascii", StandardBasicTypes.STRING ) );
    registerFunction( "asin", new StandardJDBCEscapeFunction( "asin", StandardBasicTypes.DOUBLE ) );
    registerFunction( "atan", new StandardJDBCEscapeFunction( "atan", StandardBasicTypes.DOUBLE ) );
    registerFunction( "bit_length", new SQLFunctionTemplate( StandardBasicTypes.INTEGER, "($length(?1)*8)" ) );
    registerFunction( "ceiling", new StandardSQLFunction( "ceiling", StandardBasicTypes.INTEGER ) );
    registerFunction( "char", new StandardJDBCEscapeFunction( "char", StandardBasicTypes.CHARACTER ) );
    registerFunction( "character_length", new StandardSQLFunction( "character_length", StandardBasicTypes.INTEGER ) );
    registerFunction( "char_length", new StandardSQLFunction( "char_length", StandardBasicTypes.INTEGER ) );
    registerFunction( "cos", new StandardJDBCEscapeFunction( "cos", StandardBasicTypes.DOUBLE ) );
    registerFunction( "cot", new StandardJDBCEscapeFunction( "cot", StandardBasicTypes.DOUBLE ) );
    registerFunction( "coalesce", new VarArgsSQLFunction( "coalesce(", ",", ")" ) );
    registerFunction( "concat", new VarArgsSQLFunction( StandardBasicTypes.STRING, "", "||", "" ) );
    registerFunction( "convert", new ConvertFunction() );
    registerFunction( "curdate", new StandardJDBCEscapeFunction( "curdate", StandardBasicTypes.DATE ) );
    registerFunction( "current_date", new NoArgSQLFunction( "current_date", StandardBasicTypes.DATE, false ) );
    registerFunction( "current_time", new NoArgSQLFunction( "current_time", StandardBasicTypes.TIME, false ) );
    registerFunction(
        "current_timestamp", new ConditionalParenthesisFunction( "current_timestamp", StandardBasicTypes.TIMESTAMP )
    );
    registerFunction( "curtime", new StandardJDBCEscapeFunction( "curtime", StandardBasicTypes.TIME ) );
    registerFunction( "database", new StandardJDBCEscapeFunction( "database", StandardBasicTypes.STRING ) );
    registerFunction( "dateadd", new VarArgsSQLFunction( StandardBasicTypes.TIMESTAMP, "dateadd(", ",", ")" ) );
    registerFunction( "datediff", new VarArgsSQLFunction( StandardBasicTypes.INTEGER, "datediff(", ",", ")" ) );
    registerFunction( "datename", new VarArgsSQLFunction( StandardBasicTypes.STRING, "datename(", ",", ")" ) );
    registerFunction( "datepart", new VarArgsSQLFunction( StandardBasicTypes.INTEGER, "datepart(", ",", ")" ) );
    registerFunction( "day", new StandardSQLFunction( "day", StandardBasicTypes.INTEGER ) );
    registerFunction( "dayname", new StandardJDBCEscapeFunction( "dayname", StandardBasicTypes.STRING ) );
    registerFunction( "dayofmonth", new StandardJDBCEscapeFunction( "dayofmonth", StandardBasicTypes.INTEGER ) );
    registerFunction( "dayofweek", new StandardJDBCEscapeFunction( "dayofweek", StandardBasicTypes.INTEGER ) );
    registerFunction( "dayofyear", new StandardJDBCEscapeFunction( "dayofyear", StandardBasicTypes.INTEGER ) );
    // is it necessary to register %exact since it can only appear in a where clause?
    registerFunction( "%exact", new StandardSQLFunction( "%exact", StandardBasicTypes.STRING ) );
    registerFunction( "exp", new StandardJDBCEscapeFunction( "exp", StandardBasicTypes.DOUBLE ) );
    registerFunction( "%external", new StandardSQLFunction( "%external", StandardBasicTypes.STRING ) );
    registerFunction( "$extract", new VarArgsSQLFunction( StandardBasicTypes.INTEGER, "$extract(", ",", ")" ) );
    registerFunction( "$find", new VarArgsSQLFunction( StandardBasicTypes.INTEGER, "$find(", ",", ")" ) );
    registerFunction( "floor", new StandardSQLFunction( "floor", StandardBasicTypes.INTEGER ) );
    registerFunction( "getdate", new StandardSQLFunction( "getdate", StandardBasicTypes.TIMESTAMP ) );
    registerFunction( "hour", new StandardJDBCEscapeFunction( "hour", StandardBasicTypes.INTEGER ) );
    registerFunction( "ifnull", new VarArgsSQLFunction( "ifnull(", ",", ")" ) );
    registerFunction( "%internal", new StandardSQLFunction( "%internal" ) );
    registerFunction( "isnull", new VarArgsSQLFunction( "isnull(", ",", ")" ) );
    registerFunction( "isnumeric", new StandardSQLFunction( "isnumeric", StandardBasicTypes.INTEGER ) );
    registerFunction( "lcase", new StandardJDBCEscapeFunction( "lcase", StandardBasicTypes.STRING ) );
    registerFunction( "left", new StandardJDBCEscapeFunction( "left", StandardBasicTypes.STRING ) );
    registerFunction( "len", new StandardSQLFunction( "len", StandardBasicTypes.INTEGER ) );
    registerFunction( "$length", new VarArgsSQLFunction( "$length(", ",", ")" ) );
    registerFunction( "$list", new VarArgsSQLFunction( "$list(", ",", ")" ) );
    registerFunction( "$listdata", new VarArgsSQLFunction( "$listdata(", ",", ")" ) );
    registerFunction( "$listfind", new VarArgsSQLFunction( "$listfind(", ",", ")" ) );
    registerFunction( "$listget", new VarArgsSQLFunction( "$listget(", ",", ")" ) );
    registerFunction( "$listlength", new StandardSQLFunction( "$listlength", StandardBasicTypes.INTEGER ) );
    registerFunction( "locate", new StandardSQLFunction( "$FIND", StandardBasicTypes.INTEGER ) );
    registerFunction( "log", new StandardJDBCEscapeFunction( "log", StandardBasicTypes.DOUBLE ) );
    registerFunction( "log10", new StandardJDBCEscapeFunction( "log", StandardBasicTypes.DOUBLE ) );
    registerFunction( "lower", new StandardSQLFunction( "lower" ) );
    registerFunction( "ltrim", new StandardSQLFunction( "ltrim" ) );
    registerFunction( "minute", new StandardJDBCEscapeFunction( "minute", StandardBasicTypes.INTEGER ) );
    registerFunction( "mod", new StandardJDBCEscapeFunction( "mod", StandardBasicTypes.DOUBLE ) );
    registerFunction( "month", new StandardJDBCEscapeFunction( "month", StandardBasicTypes.INTEGER ) );
    registerFunction( "monthname", new StandardJDBCEscapeFunction( "monthname", StandardBasicTypes.STRING ) );
    registerFunction( "now", new StandardJDBCEscapeFunction( "monthname", StandardBasicTypes.TIMESTAMP ) );
    registerFunction( "nullif", new VarArgsSQLFunction( "nullif(", ",", ")" ) );
    registerFunction( "nvl", new NvlFunction() );
    registerFunction( "%odbcin", new StandardSQLFunction( "%odbcin" ) );
    registerFunction( "%odbcout", new StandardSQLFunction( "%odbcin" ) );
    registerFunction( "%pattern", new VarArgsSQLFunction( StandardBasicTypes.STRING, "", "%pattern", "" ) );
    registerFunction( "pi", new StandardJDBCEscapeFunction( "pi", StandardBasicTypes.DOUBLE ) );
    registerFunction( "$piece", new VarArgsSQLFunction( StandardBasicTypes.STRING, "$piece(", ",", ")" ) );
    registerFunction( "position", new VarArgsSQLFunction( StandardBasicTypes.INTEGER, "position(", " in ", ")" ) );
    registerFunction( "power", new VarArgsSQLFunction( StandardBasicTypes.STRING, "power(", ",", ")" ) );
    registerFunction( "quarter", new StandardJDBCEscapeFunction( "quarter", StandardBasicTypes.INTEGER ) );
    registerFunction( "repeat", new VarArgsSQLFunction( StandardBasicTypes.STRING, "repeat(", ",", ")" ) );
    registerFunction( "replicate", new VarArgsSQLFunction( StandardBasicTypes.STRING, "replicate(", ",", ")" ) );
    registerFunction( "right", new StandardJDBCEscapeFunction( "right", StandardBasicTypes.STRING ) );
    registerFunction( "round", new VarArgsSQLFunction( StandardBasicTypes.FLOAT, "round(", ",", ")" ) );
    registerFunction( "rtrim", new StandardSQLFunction( "rtrim", StandardBasicTypes.STRING ) );
    registerFunction( "second", new StandardJDBCEscapeFunction( "second", StandardBasicTypes.INTEGER ) );
    registerFunction( "sign", new StandardSQLFunction( "sign", StandardBasicTypes.INTEGER ) );
    registerFunction( "sin", new StandardJDBCEscapeFunction( "sin", StandardBasicTypes.DOUBLE ) );
    registerFunction( "space", new StandardSQLFunction( "space", StandardBasicTypes.STRING ) );
    registerFunction( "%sqlstring", new VarArgsSQLFunction( StandardBasicTypes.STRING, "%sqlstring(", ",", ")" ) );
    registerFunction( "%sqlupper", new VarArgsSQLFunction( StandardBasicTypes.STRING, "%sqlupper(", ",", ")" ) );
    registerFunction( "sqrt", new StandardJDBCEscapeFunction( "SQRT", StandardBasicTypes.DOUBLE ) );
    registerFunction( "%startswith", new VarArgsSQLFunction( StandardBasicTypes.STRING, "", "%startswith", "" ) );
    // below is for Cache' that don't have str in 2007.1 there is str and we register str directly
    registerFunction( "str", new SQLFunctionTemplate( StandardBasicTypes.STRING, "cast(?1 as char varying)" ) );
    registerFunction( "string", new VarArgsSQLFunction( StandardBasicTypes.STRING, "string(", ",", ")" ) );
    // note that %string is deprecated
    registerFunction( "%string", new VarArgsSQLFunction( StandardBasicTypes.STRING, "%string(", ",", ")" ) );
    registerFunction( "substr", new VarArgsSQLFunction( StandardBasicTypes.STRING, "substr(", ",", ")" ) );
    registerFunction( "substring", new VarArgsSQLFunction( StandardBasicTypes.STRING, "substring(", ",", ")" ) );
    registerFunction( "sysdate", new NoArgSQLFunction( "sysdate", StandardBasicTypes.TIMESTAMP, false ) );
    registerFunction( "tan", new StandardJDBCEscapeFunction( "tan", StandardBasicTypes.DOUBLE ) );
    registerFunction( "timestampadd", new StandardJDBCEscapeFunction( "timestampadd", StandardBasicTypes.DOUBLE ) );
    registerFunction( "timestampdiff", new StandardJDBCEscapeFunction( "timestampdiff", StandardBasicTypes.DOUBLE ) );
    registerFunction( "tochar", new VarArgsSQLFunction( StandardBasicTypes.STRING, "tochar(", ",", ")" ) );
    registerFunction( "to_char", new VarArgsSQLFunction( StandardBasicTypes.STRING, "to_char(", ",", ")" ) );
    registerFunction( "todate", new VarArgsSQLFunction( StandardBasicTypes.STRING, "todate(", ",", ")" ) );
    registerFunction( "to_date", new VarArgsSQLFunction( StandardBasicTypes.STRING, "todate(", ",", ")" ) );
    registerFunction( "tonumber", new StandardSQLFunction( "tonumber" ) );
    registerFunction( "to_number", new StandardSQLFunction( "tonumber" ) );
    // TRIM(end_keyword string-expression-1 FROM string-expression-2)
    // use Hibernate implementation "From" is one of the parameters they pass in position ?3
    //registerFunction( "trim", new SQLFunctionTemplate(StandardBasicTypes.STRING, "trim(?1 ?2 from ?3)") );
    registerFunction( "truncate", new StandardJDBCEscapeFunction( "truncate", StandardBasicTypes.STRING ) );
    registerFunction( "ucase", new StandardJDBCEscapeFunction( "ucase", StandardBasicTypes.STRING ) );
    registerFunction( "upper", new StandardSQLFunction( "upper" ) );
    // %upper is deprecated
    registerFunction( "%upper", new StandardSQLFunction( "%upper" ) );
    registerFunction( "user", new StandardJDBCEscapeFunction( "user", StandardBasicTypes.STRING ) );
    registerFunction( "week", new StandardJDBCEscapeFunction( "user", StandardBasicTypes.INTEGER ) );
    registerFunction( "xmlconcat", new VarArgsSQLFunction( StandardBasicTypes.STRING, "xmlconcat(", ",", ")" ) );
    registerFunction( "xmlelement", new VarArgsSQLFunction( StandardBasicTypes.STRING, "xmlelement(", ",", ")" ) );
    // xmlforest requires a new kind of function constructor
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    registerColumnType( Types.VARBINARY, "varbinary($l)" );
    registerColumnType( Types.NUMERIC, "numeric($p,$s)" );
    registerColumnType( Types.BLOB, "image" );
    registerColumnType( Types.CLOB, "text" );

    registerFunction( "ascii", new StandardSQLFunction( "ascii", StandardBasicTypes.INTEGER ) );
    registerFunction( "char", new StandardSQLFunction( "char", StandardBasicTypes.CHARACTER ) );
    registerFunction( "len", new StandardSQLFunction( "len", StandardBasicTypes.LONG ) );
    registerFunction( "lower", new StandardSQLFunction( "lower" ) );
    registerFunction( "upper", new StandardSQLFunction( "upper" ) );
    registerFunction( "str", new StandardSQLFunction( "str", StandardBasicTypes.STRING ) );
    registerFunction( "ltrim", new StandardSQLFunction( "ltrim" ) );
    registerFunction( "rtrim", new StandardSQLFunction( "rtrim" ) );
    registerFunction( "reverse", new StandardSQLFunction( "reverse" ) );
    registerFunction( "space", new StandardSQLFunction( "space", StandardBasicTypes.STRING ) );

    registerFunction( "user", new NoArgSQLFunction( "user", StandardBasicTypes.STRING ) );

    registerFunction( "current_timestamp", new NoArgSQLFunction( "getdate", StandardBasicTypes.TIMESTAMP ) );
    registerFunction( "current_time", new NoArgSQLFunction( "getdate", StandardBasicTypes.TIME ) );
    registerFunction( "current_date", new NoArgSQLFunction( "getdate", StandardBasicTypes.DATE ) );

    registerFunction( "getdate", new NoArgSQLFunction( "getdate", StandardBasicTypes.TIMESTAMP ) );
    registerFunction( "getutcdate", new NoArgSQLFunction( "getutcdate", StandardBasicTypes.TIMESTAMP ) );
    registerFunction( "day", new StandardSQLFunction( "day", StandardBasicTypes.INTEGER ) );
    registerFunction( "month", new StandardSQLFunction( "month", StandardBasicTypes.INTEGER ) );
    registerFunction( "year", new StandardSQLFunction( "year", StandardBasicTypes.INTEGER ) );
    registerFunction( "datename", new StandardSQLFunction( "datename", StandardBasicTypes.STRING ) );

    registerFunction( "abs", new StandardSQLFunction( "abs" ) );
    registerFunction( "sign", new StandardSQLFunction( "sign", StandardBasicTypes.INTEGER ) );

    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( "cot", new StandardSQLFunction( "cot", StandardBasicTypes.DOUBLE ) );
    registerFunction( "exp", new StandardSQLFunction( "exp", StandardBasicTypes.DOUBLE ) );
    registerFunction( "log", new StandardSQLFunction( "log", StandardBasicTypes.DOUBLE ) );
    registerFunction( "log10", new StandardSQLFunction( "log10", StandardBasicTypes.DOUBLE ) );
    registerFunction( "sin", new StandardSQLFunction( "sin", StandardBasicTypes.DOUBLE ) );
    registerFunction( "sqrt", new StandardSQLFunction( "sqrt", StandardBasicTypes.DOUBLE ) );
    registerFunction( "tan", new StandardSQLFunction( "tan", StandardBasicTypes.DOUBLE ) );
    registerFunction( "pi", new NoArgSQLFunction( "pi", StandardBasicTypes.DOUBLE ) );
    registerFunction( "square", new StandardSQLFunction( "square" ) );
    registerFunction( "rand", new StandardSQLFunction( "rand", StandardBasicTypes.FLOAT ) );

    registerFunction( "radians", new StandardSQLFunction( "radians", StandardBasicTypes.DOUBLE ) );
    registerFunction( "degrees", new StandardSQLFunction( "degrees", StandardBasicTypes.DOUBLE ) );

    registerFunction( "round", new StandardSQLFunction( "round" ) );
    registerFunction( "ceiling", new StandardSQLFunction( "ceiling" ) );
    registerFunction( "floor", new StandardSQLFunction( "floor" ) );

    registerFunction( "isnull", new StandardSQLFunction( "isnull" ) );

    registerFunction( "concat", new VarArgsSQLFunction( StandardBasicTypes.STRING, "(", "+", ")" ) );

    registerFunction( "length", new StandardSQLFunction( "len", StandardBasicTypes.INTEGER ) );
    registerFunction( "trim", new SQLFunctionTemplate( StandardBasicTypes.STRING, "ltrim(rtrim(?1))" ) );
    registerFunction( "locate", new CharIndexFunction() );

    getDefaultProperties().setProperty( Environment.STATEMENT_BATCH_SIZE, NO_BATCH );
  }
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