Examples of org.h2.tools.SimpleResultSet.addColumn()

org.h2.tools.SimpleResultSet.addColumn()
Adds a column to the result set. All columns must be added before adding rows. @param name null is replaced with C1, C2,... @param sqlType the value returned in getColumnType(..) (ignored internally) @param precision the precision @param scale the scale

     * @return the result set with two columns
     */
    public static ResultSet getMatrix(Connection conn, Integer size)
            throws SQLException {
        SimpleResultSet rs = new SimpleResultSet();
        rs.addColumn("X", Types.INTEGER, 10, 0);
        rs.addColumn("Y", Types.INTEGER, 10, 0);
        String url = conn.getMetaData().getURL();
        if (url.equals("jdbc:columnlist:connection")) {
            return rs;
        }

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     */
    public static ResultSet getMatrix(Connection conn, Integer size)
            throws SQLException {
        SimpleResultSet rs = new SimpleResultSet();
        rs.addColumn("X", Types.INTEGER, 10, 0);
        rs.addColumn("Y", Types.INTEGER, 10, 0);
        String url = conn.getMetaData().getURL();
        if (url.equals("jdbc:columnlist:connection")) {
            return rs;
        }
        for (int s = size.intValue(), x = 0; x < s; x++) {

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     * @return the empty result set
     */
    protected static SimpleResultSet createResultSet(boolean data) {
        SimpleResultSet result = new SimpleResultSet();
        if (data) {
            result.addColumn(FullText.FIELD_SCHEMA, Types.VARCHAR, 0, 0);
            result.addColumn(FullText.FIELD_TABLE, Types.VARCHAR, 0, 0);
            result.addColumn(FullText.FIELD_COLUMNS, Types.ARRAY, 0, 0);
            result.addColumn(FullText.FIELD_KEYS, Types.ARRAY, 0, 0);
        } else {
            result.addColumn(FullText.FIELD_QUERY, Types.VARCHAR, 0, 0);

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     */
    protected static SimpleResultSet createResultSet(boolean data) {
        SimpleResultSet result = new SimpleResultSet();
        if (data) {
            result.addColumn(FullText.FIELD_SCHEMA, Types.VARCHAR, 0, 0);
            result.addColumn(FullText.FIELD_TABLE, Types.VARCHAR, 0, 0);
            result.addColumn(FullText.FIELD_COLUMNS, Types.ARRAY, 0, 0);
            result.addColumn(FullText.FIELD_KEYS, Types.ARRAY, 0, 0);
        } else {
            result.addColumn(FullText.FIELD_QUERY, Types.VARCHAR, 0, 0);
        }

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    protected static SimpleResultSet createResultSet(boolean data) {
        SimpleResultSet result = new SimpleResultSet();
        if (data) {
            result.addColumn(FullText.FIELD_SCHEMA, Types.VARCHAR, 0, 0);
            result.addColumn(FullText.FIELD_TABLE, Types.VARCHAR, 0, 0);
            result.addColumn(FullText.FIELD_COLUMNS, Types.ARRAY, 0, 0);
            result.addColumn(FullText.FIELD_KEYS, Types.ARRAY, 0, 0);
        } else {
            result.addColumn(FullText.FIELD_QUERY, Types.VARCHAR, 0, 0);
        }
        result.addColumn(FullText.FIELD_SCORE, Types.FLOAT, 0, 0);

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        SimpleResultSet result = new SimpleResultSet();
        if (data) {
            result.addColumn(FullText.FIELD_SCHEMA, Types.VARCHAR, 0, 0);
            result.addColumn(FullText.FIELD_TABLE, Types.VARCHAR, 0, 0);
            result.addColumn(FullText.FIELD_COLUMNS, Types.ARRAY, 0, 0);
            result.addColumn(FullText.FIELD_KEYS, Types.ARRAY, 0, 0);
        } else {
            result.addColumn(FullText.FIELD_QUERY, Types.VARCHAR, 0, 0);
        }
        result.addColumn(FullText.FIELD_SCORE, Types.FLOAT, 0, 0);
        return result;

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            result.addColumn(FullText.FIELD_SCHEMA, Types.VARCHAR, 0, 0);
            result.addColumn(FullText.FIELD_TABLE, Types.VARCHAR, 0, 0);
            result.addColumn(FullText.FIELD_COLUMNS, Types.ARRAY, 0, 0);
            result.addColumn(FullText.FIELD_KEYS, Types.ARRAY, 0, 0);
        } else {
            result.addColumn(FullText.FIELD_QUERY, Types.VARCHAR, 0, 0);
        }
        result.addColumn(FullText.FIELD_SCORE, Types.FLOAT, 0, 0);
        return result;
    }

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            result.addColumn(FullText.FIELD_COLUMNS, Types.ARRAY, 0, 0);
            result.addColumn(FullText.FIELD_KEYS, Types.ARRAY, 0, 0);
        } else {
            result.addColumn(FullText.FIELD_QUERY, Types.VARCHAR, 0, 0);
        }
        result.addColumn(FullText.FIELD_SCORE, Types.FLOAT, 0, 0);
        return result;
    }


    /**
     * Parse a primary key condition into the primary key columns.

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     * @param alpha the angle
     * @return a result set with two columns: x and y
     */
    public static ResultSet polar2Cartesian(Double r, Double alpha) {
        SimpleResultSet rs = new SimpleResultSet();
        rs.addColumn("X", Types.DOUBLE, 0, 0);
        rs.addColumn("Y", Types.DOUBLE, 0, 0);
        if (r != null && alpha != null) {
            double x = r.doubleValue() * Math.cos(alpha.doubleValue());
            double y = r.doubleValue() * Math.sin(alpha.doubleValue());
            rs.addRow(x, y);

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     * @return a result set with two columns: x and y
     */
    public static ResultSet polar2Cartesian(Double r, Double alpha) {
        SimpleResultSet rs = new SimpleResultSet();
        rs.addColumn("X", Types.DOUBLE, 0, 0);
        rs.addColumn("Y", Types.DOUBLE, 0, 0);
        if (r != null && alpha != null) {
            double x = r.doubleValue() * Math.cos(alpha.doubleValue());
            double y = r.doubleValue() * Math.sin(alpha.doubleValue());
            rs.addRow(x, y);
        }

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