Examples of org.lealone.command.CommandInterface.executeQuery()

Class org.lealone.command.CommandInterface

Examples of org.lealone.command.CommandInterface.executeQuery()

org.lealone.command.CommandInterface.executeQuery()
Execute the query. @param maxRows the maximum number of rows returned @param scrollable if the result set must be scrollable @return the result

        List<ResultInterface> results = New.arrayList(size);
        for (int i = 0; i < size; i++) {
            final CommandInterface c = commands.get(i);
            futures.add(pool.submit(new Callable<ResultInterface>() {
                public ResultInterface call() throws Exception {
                    return c.executeQuery(maxRows, scrollable);
                }
            }));
        }
        try {
            for (int i = 0; i < size; i++) {

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                ResultInterface result;
                boolean scrollable = resultSetType != ResultSet.TYPE_FORWARD_ONLY;
                boolean updatable = resultSetConcurrency == ResultSet.CONCUR_UPDATABLE;
                setExecutingStatement(command);
                try {
                    result = command.executeQuery(maxRows, scrollable);
                } finally {
                    setExecutingStatement(null);
                }
                //command.close(); //关闭结果集时再关闭
                resultSet = new JdbcResultSet(conn, this, result, id, closedByResultSet, scrollable, updatable);

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                try {
                    if (command.isQuery()) {
                        returnsResultSet = true;
                        boolean scrollable = resultSetType != ResultSet.TYPE_FORWARD_ONLY;
                        boolean updatable = resultSetConcurrency == ResultSet.CONCUR_UPDATABLE;
                        ResultInterface result = command.executeQuery(maxRows, scrollable);
                        resultSet = new JdbcResultSet(conn, this, result, id, closedByResultSet, scrollable, updatable);
                    } else {
                        returnsResultSet = false;
                        updateCount = command.executeUpdate();
                    }

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            return;
        }
        sessionStateChanged = false;
        sessionState = New.arrayList();
        CommandInterface ci = prepareCommand("SELECT * FROM INFORMATION_SCHEMA.SESSION_STATE", Integer.MAX_VALUE);
        ResultInterface result = ci.executeQuery(0, false);
        while (result.next()) {
            Value[] row = result.currentRow();
            sessionState.add(row[1].getString());
        }
    }

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        try {
            debugCodeCall("getCatalog");
            checkClosed();
            if (catalog == null) {
                CommandInterface cat = prepareCommand("CALL DATABASE()", Integer.MAX_VALUE);
                ResultInterface result = cat.executeQuery(0, false);
                result.next();
                catalog = result.currentRow()[0].getString();
                cat.close();
            }
            return catalog;

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