Examples of org.lealone.value.ValueResultSet

org.lealone.value.ValueResultSet
Implementation of the RESULT_SET data type.

        Expression[] args = function.getArgs();
        for (int i = 0; i < params; i++) {
            args[i] = args[i].optimize(session);
            columnListArgs[i] = args[i];
        }
        ValueResultSet template = function.getValueForColumnList(session, columnListArgs);
        if (template == null) {
            throw DbException.get(ErrorCode.FUNCTION_MUST_RETURN_RESULT_SET_1, function.getName());
        }
        ResultSet rs = template.getResultSet();
        try {
            ResultSetMetaData meta = rs.getMetaData();
            int columnCount = meta.getColumnCount();
            Column[] cols = new Column[columnCount];
            for (int i = 0; i < columnCount; i++) {

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     *
     * @param session the session
     * @return the result
     */
    public ResultInterface getResult(Session session) {
        ValueResultSet v = getValueResultSet(session);
        if (v == null) {
            return null;
        }
        if (cachedResult != null && cachedValue == v) {
            cachedResult.reset();
            return cachedResult;
        }
        LocalResult result = LocalResult.read(session, v.getResultSet(), 0);
        if (function.isDeterministic()) {
            cachedResult = result;
            cachedValue = v;
        }
        return result;

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     *
     * @param session the session
     * @return the result set
     */
    public ResultSet getResultSet(Session session) {
        ValueResultSet v = getValueResultSet(session);
        return v == null ? null : v.getResultSet();
    }

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    }


    public Expression[] getExpressionColumns(Session session) {
        switch (getType()) {
        case Value.RESULT_SET:
            ValueResultSet rs = getValueForColumnList(session, getArgs());
            return getExpressionColumns(session, rs.getResultSet());
        case Value.ARRAY:
            return getExpressionColumns(session, (ValueArray) getValue(session));
        }
        return super.getExpressionColumns(session);
    }

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                csv.setNullString(nullString);
            }
            char fieldSeparator = csv.getFieldSeparatorRead();
            String[] columns = StringUtils.arraySplit(columnList, fieldSeparator, true);
            try {
                ValueResultSet vr = ValueResultSet.get(csv.read(fileName, columns, charset));
                result = vr;
            } catch (SQLException e) {
                throw DbException.convert(e);
            }
            break;

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                setCsvDelimiterEscape(csv, fieldSeparatorRead, fieldDelimiter, escapeCharacter);
            }
            char fieldSeparator = csv.getFieldSeparatorRead();
            String[] columns = StringUtils.arraySplit(columnList, fieldSeparator, true);
            ResultSet rs = null;
            ValueResultSet x;
            try {
                rs = csv.read(fileName, columns, charset);
                x = ValueResultSet.getCopy(rs, 0);
            } catch (SQLException e) {
                throw DbException.convert(e);

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                }
                result.addRow(r);
            }
        }
        result.done();
        ValueResultSet vr = ValueResultSet.get(getSimpleResultSet(result, Integer.MAX_VALUE));
        return vr;
    }

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Related Classes of org.lealone.value.ValueResultSet

org.lealone.dbobject.table.FunctionTable

org.lealone.expression.Function

org.lealone.expression.JavaFunction

org.lealone.expression.TableFunction

org.lealone.tools.SimpleResultSet

org.lealone.util.StatementBuilder

java.sql.ResultSetMetaData

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