Examples of org.hsqldb_voltpatches.types.Type

org.hsqldb_voltpatches.types.Type
Base class for type objects.
@author Fred Toussi (fredt@users dot sourceforge.net) @version 1.9.0 @since 1.9.0

            } else if (expr.getType() == OpTypes.TABLE_SUBQUERY) {
                Object[] values = expr.getRowValue(session);


                for (int j = 0; j < values.length; j++, i++) {
                    int colIndex = columnMap[i];
                    Type colType =
                        expr.subQuery.queryExpression.getMetaData()
                            .columnTypes[j];


                    data[colIndex] = colTypes[colIndex].convertToType(session,
                            values[j], colType);

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     */
    public Object getObject(int columnIndex) throws SQLException {


        checkColumn(columnIndex);


        Type sourceType = resultMetaData.columnTypes[columnIndex - 1];


        switch (sourceType.typeCode) {


            case Types.SQL_DATE :
                return getDate(columnIndex);

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     */
    private Object getColumnInType(int columnIndex,
                                   Type targetType) throws SQLException {


        Object[] rowData = getCurrent();
        Type     sourceType;
        Object   value;


        checkColumn(columnIndex);


        sourceType = resultMetaData.columnTypes[--columnIndex];
        value      = rowData[columnIndex];


        if (trackNull(value)) {
            return null;
        }


        if (sourceType.typeCode != targetType.typeCode) {
            try {
                value = targetType.convertToTypeJDBC(session, value,
                        sourceType);
            } catch (Exception e) {
                String stringValue = (value instanceof Number
                                      || value
                                         instanceof String) ? value.toString()
                        : "instance of " + value.getClass().getName();
                String msg = "from SQL type " + sourceType.getNameString()
                             + " to " + targetType.getJDBCClassName()
                             + ", value: " + stringValue;


                Util.throwError(Error.error(ErrorCode.X_42561, msg));
            }

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                break;
            }
        }


//#endif JAVA6
        Type from = Type.getDefaultType(Type.getHSQLDBTypeCode(fromType));
        Type to   = Type.getDefaultType(Type.getHSQLDBTypeCode(toType));


        if (from == null || to == null) {
            return false;
        }


        return to.canConvertFrom(from);
    }

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     */
    public boolean isCaseSensitive(int column) throws SQLException {


        checkColumn(column);


        Type type = resultMetaData.columnTypes[--column];


        if (type.isCharacterType()) {
            return !((CharacterType) type).isCaseInsensitive();
        }


        return false;
    }

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     */
    public boolean isCurrency(int column) throws SQLException {


        checkColumn(column);


        Type type = resultMetaData.columnTypes[--column];


        return (type.typeCode == Types.SQL_DECIMAL
                || type.typeCode == Types.SQL_NUMERIC) && type.scale > 0;
    }

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     */
    public boolean isSigned(int column) throws SQLException {


        checkColumn(column);


        Type type = resultMetaData.columnTypes[--column];


        return type.isNumberType();
    }

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     */
    public int getColumnDisplaySize(int column) throws SQLException {


        checkColumn(column);


        Type type = resultMetaData.columnTypes[--column];


        return type.displaySize();
    }

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    public int getPrecision(int column) throws SQLException {


        checkColumn(column);


        // type in columnTypes overrides column type
        Type type      = resultMetaData.columnTypes[--column];
        long precision = type.precision;


        if (type.isDateTimeType() || type.isIntervalType()) {
            precision = type.displaySize();
        }


        if (precision > Integer.MAX_VALUE) {
            precision = Integer.MAX_VALUE;
        }

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     * @return scale
     * @exception SQLException if a database access error occurs
     */
    public int getScale(int column) throws SQLException {


        Type type = resultMetaData.columnTypes[--column];


        return type.scale;
    }

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Related Classes of org.hsqldb_voltpatches.types.Type

org.hsqldb_voltpatches.dbinfo.DatabaseInformationFull

org.hsqldb_voltpatches.Expression

org.hsqldb_voltpatches.ExpressionArithmetic

org.hsqldb_voltpatches.ExpressionColumn

org.hsqldb_voltpatches.ExpressionLogical

org.hsqldb_voltpatches.ExpressionOp

org.hsqldb_voltpatches.FunctionForVoltDB

org.hsqldb_voltpatches.jdbc.JDBCCallableStatement

org.hsqldb_voltpatches.jdbc.JDBCDatabaseMetaData

org.hsqldb_voltpatches.jdbc.JDBCParameterMetaData

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