Examples of org.lealone.expression.ParameterInterface

org.lealone.expression.ParameterInterface
The interface for client side (remote) and server side parameters.

            if (outParameters == null) {
                maxOutParameters = Math.min(getParameterMetaData().getParameterCount(), getCheckedMetaData().getColumnCount());
                outParameters = new BitField();
            }
            checkIndexBounds(parameterIndex);
            ParameterInterface param = command.getParameters().get(--parameterIndex);
            if (param.getParamValue() == null) {
                param.setValue(ValueNull.INSTANCE, false);
            }
            outParameters.set(parameterIndex);
        } catch (Exception e) {
            throw logAndConvert(e);
        }

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     * @return the data type
     */
    public int getParameterType(int param) throws SQLException {
        try {
            debugCodeCall("getParameterType", param);
            ParameterInterface p = getParameter(param);
            int type = p.getType();
            if (type == Value.UNKNOWN) {
                type = Value.STRING;
            }
            return DataType.getDataType(type).sqlType;
        } catch (Exception e) {

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     * @return the precision
     */
    public int getPrecision(int param) throws SQLException {
        try {
            debugCodeCall("getPrecision", param);
            ParameterInterface p = getParameter(param);
            return MathUtils.convertLongToInt(p.getPrecision());
        } catch (Exception e) {
            throw logAndConvert(e);
        }
    }

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     * @return the scale
     */
    public int getScale(int param) throws SQLException {
        try {
            debugCodeCall("getScale", param);
            ParameterInterface p = getParameter(param);
            return p.getScale();
        } catch (Exception e) {
            throw logAndConvert(e);
        }
    }

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     * @return the Java class name
     */
    public String getParameterClassName(int param) throws SQLException {
        try {
            debugCodeCall("getParameterClassName", param);
            ParameterInterface p = getParameter(param);
            int type = p.getType();
            if (type == Value.UNKNOWN) {
                type = Value.STRING;
            }
            return DataType.getTypeClassName(type);
        } catch (Exception e) {

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     * @return the type name
     */
    public String getParameterTypeName(int param) throws SQLException {
        try {
            debugCodeCall("getParameterTypeName", param);
            ParameterInterface p = getParameter(param);
            int type = p.getType();
            if (type == Value.UNKNOWN) {
                type = Value.STRING;
            }
            return DataType.getDataType(type).name;
        } catch (Exception e) {

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        try {
            debugCodeCall("clearParameters");
            checkClosed();
            ArrayList<? extends ParameterInterface> parameters = command.getParameters();
            for (int i = 0, size = parameters.size(); i < size; i++) {
                ParameterInterface param = parameters.get(i);
                // can only delete old temp files if they are not in the batch
                param.setValue(null, batchParameters == null);
            }
        } catch (Exception e) {
            throw logAndConvert(e);
        }
    }

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                    for (int i = 0; i < size; i++) {
                        Value[] set = batchParameters.get(i);
                        ArrayList<? extends ParameterInterface> parameters = command.getParameters();
                        for (int j = 0; j < set.length; j++) {
                            Value value = set[j];
                            ParameterInterface param = parameters.get(j);
                            param.setValue(value, false);
                        }
                        try {
                            result[i] = executeUpdateInternal();
                        } catch (Exception re) {
                            SQLException e = logAndConvert(re);

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            try {
                ArrayList<? extends ParameterInterface> parameters = command.getParameters();
                int size = parameters.size();
                Value[] set = new Value[size];
                for (int i = 0; i < size; i++) {
                    ParameterInterface param = parameters.get(i);
                    Value value = param.getParamValue();
                    set[i] = value;
                }
                if (batchParameters == null) {
                    batchParameters = New.arrayList();
                }

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        parameterIndex--;
        ArrayList<? extends ParameterInterface> parameters = command.getParameters();
        if (parameterIndex < 0 || parameterIndex >= parameters.size()) {
            throw DbException.getInvalidValueException("parameterIndex", parameterIndex + 1);
        }
        ParameterInterface param = parameters.get(parameterIndex);
        // can only delete old temp files if they are not in the batch
        param.setValue(value, batchParameters == null);
    }

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Related Classes of org.lealone.expression.ParameterInterface

org.lealone.command.Command

org.lealone.jdbc.JdbcCallableStatement

org.lealone.jdbc.JdbcParameterMetaData

org.lealone.jdbc.JdbcPreparedStatement

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