Examples with BulkCommand org.teiid.language.BulkCommand used on opensource projects

Example 1 with BulkCommand

use of org.teiid.language.BulkCommand in project teiid by teiid.

the class JDBCUpdateExecution method executeTranslatedCommand.

/**
 * @param translatedComm
 * @throws TranslatorException
 * @since 4.3
 */
private void executeTranslatedCommand(TranslatedCommand translatedComm) throws TranslatorException {
    // create statement or PreparedStatement and execute
    String sql = translatedComm.getSql();
    boolean commitType = false;
    boolean succeeded = false;
    try {
        int updateCount = 0;
        Class<?>[] keyColumnDataTypes = null;
        String[] keyColumnNames = null;
        if (command instanceof Insert && context.getCommandContext().isReturnAutoGeneratedKeys() && executionFactory.supportsGeneratedKeys(context, command)) {
            Insert insert = (Insert) command;
            NamedTable nt = insert.getTable();
            if (nt.getMetadataObject() != null) {
                KeyRecord key = nt.getMetadataObject().getPrimaryKey();
                if (key != null) {
                    List<Column> cols = key.getColumns();
                    keyColumnDataTypes = new Class<?>[cols.size()];
                    keyColumnNames = new String[cols.size()];
                    for (int i = 0; i < cols.size(); i++) {
                        Column c = cols.get(i);
                        keyColumnDataTypes[i] = c.getJavaType();
                        // won't work in scenarios where the teiid name is changed or contains a .
                        keyColumnNames[i] = c.getName();
                    }
                }
            }
        }
        if (!translatedComm.isPrepared()) {
            statement = getStatement();
            // handle autoGeneratedKeys
            if (keyColumnDataTypes != null) {
                if (executionFactory.useColumnNamesForGeneratedKeys()) {
                    updateCount = statement.executeUpdate(sql, keyColumnNames);
                } else {
                    updateCount = statement.executeUpdate(sql, Statement.RETURN_GENERATED_KEYS);
                }
            } else {
                updateCount = statement.executeUpdate(sql);
            }
            result = new int[] { updateCount };
            addStatementWarnings();
        } else {
            PreparedStatement pstatement = null;
            if (statement != null) {
                statement.close();
            }
            if (keyColumnDataTypes != null) {
                if (executionFactory.useColumnNamesForGeneratedKeys()) {
                    pstatement = connection.prepareStatement(sql, keyColumnNames);
                } else {
                    pstatement = connection.prepareStatement(sql, Statement.RETURN_GENERATED_KEYS);
                }
            } else {
                pstatement = getPreparedStatement(sql);
            }
            statement = pstatement;
            Iterator<? extends List<?>> vi = null;
            if (command instanceof BulkCommand) {
                BulkCommand batchCommand = (BulkCommand) command;
                vi = batchCommand.getParameterValues();
            }
            int k = 0;
            int batchStart = 0;
            if (vi != null) {
                try {
                    commitType = getAutoCommit(translatedComm);
                    if (commitType) {
                        connection.setAutoCommit(false);
                    }
                    int maxBatchSize = (command instanceof Insert) ? maxPreparedInsertBatchSize : Integer.MAX_VALUE;
                    boolean done = false;
                    outer: while (!done) {
                        for (int i = 0; i < maxBatchSize; i++) {
                            if (vi.hasNext()) {
                                List<?> values = vi.next();
                                bind(pstatement, translatedComm.getPreparedValues(), values);
                                k++;
                            } else {
                                if (i == 0) {
                                    break outer;
                                }
                                done = true;
                                break;
                            }
                        }
                        int[] results = pstatement.executeBatch();
                        batchStart = k;
                        if (result == null) {
                            result = results;
                        } else {
                            int len = result.length;
                            result = Arrays.copyOf(result, len + results.length);
                            System.arraycopy(results, 0, result, len, results.length);
                        }
                    }
                } catch (SQLException e) {
                    int size = k + 1;
                    if (result == null) {
                        result = new int[size];
                    } else {
                        result = Arrays.copyOf(result, size);
                    }
                    // if there is a BatchUpdateException, there are more update counts to accumulate
                    if (e instanceof BatchUpdateException) {
                        BatchUpdateException bue = (BatchUpdateException) e;
                        int[] batchResults = bue.getUpdateCounts();
                        for (int j = 0; j < batchResults.length; j++) {
                            result[batchStart + j] = batchResults[j];
                        }
                        size = batchStart + batchResults.length;
                    } else {
                        size = batchStart;
                    }
                    // resize the result and throw exception
                    throw new TranslatorBatchException(e, Arrays.copyOf(result, size));
                }
            } else {
                bind(pstatement, translatedComm.getPreparedValues(), null);
                updateCount = pstatement.executeUpdate();
                result = new int[] { updateCount };
            }
            addStatementWarnings();
            succeeded = true;
        }
        if (keyColumnDataTypes != null) {
            try {
                ResultSet keys = statement.getGeneratedKeys();
                GeneratedKeys generatedKeys = context.getCommandContext().returnGeneratedKeys(keyColumnNames, keyColumnDataTypes);
                // many databases only support returning a single generated value, but we'll still attempt to gather all
                outer: while (keys.next()) {
                    List<Object> vals = new ArrayList<Object>(keyColumnDataTypes.length);
                    for (int i = 0; i < keyColumnDataTypes.length; i++) {
                        Object value = this.executionFactory.retrieveValue(keys, i + 1, keyColumnDataTypes[i]);
                        if (value != null && TypeFacility.getRuntimeType(value.getClass()) != keyColumnDataTypes[i]) {
                            // TODO we may need to let the engine to the final conversion
                            LogManager.logDetail(LogConstants.CTX_CONNECTOR, JDBCPlugin.Util.gs(JDBCPlugin.Event.TEIID11023, keyColumnDataTypes[i], keyColumnNames[i], value.getClass()));
                            continue outer;
                        }
                        vals.add(value);
                    }
                    generatedKeys.addKey(vals);
                }
            } catch (SQLException e) {
                context.addWarning(e);
                // $NON-NLS-1$
                LogManager.logDetail(LogConstants.CTX_CONNECTOR, e, "Exception determining generated keys, no keys will be returned");
            }
        }
    } catch (SQLException err) {
        throw new JDBCExecutionException(JDBCPlugin.Event.TEIID11013, err, translatedComm);
    } finally {
        if (commitType) {
            restoreAutoCommit(!succeeded, translatedComm);
        }
    }
}

Example 2 with BulkCommand

use of org.teiid.language.BulkCommand in project teiid by teiid.

the class ConnectorWorkItem method setExecution.

private void setExecution(Command command, org.teiid.language.Command translatedCommand, final Execution exec) {
    if (translatedCommand instanceof Call) {
        // $NON-NLS-1$
        this.execution = Assertion.isInstanceOf(exec, ProcedureExecution.class, "Call Executions are expected to be ProcedureExecutions");
        StoredProcedure proc = (StoredProcedure) command;
        if (proc.returnParameters()) {
            this.procedureBatchHandler = new ProcedureBatchHandler((Call) translatedCommand, (ProcedureExecution) exec);
        }
    } else if (command instanceof QueryCommand) {
        // $NON-NLS-1$
        this.execution = Assertion.isInstanceOf(exec, ResultSetExecution.class, "QueryExpression Executions are expected to be ResultSetExecutions");
    } else {
        final boolean singleUpdateCount = connector.returnsSingleUpdateCount() && (translatedCommand instanceof BatchedUpdates || (translatedCommand instanceof BulkCommand && ((BulkCommand) translatedCommand).getParameterValues() != null));
        // $NON-NLS-1$
        Assertion.isInstanceOf(exec, UpdateExecution.class, "Update Executions are expected to be UpdateExecutions");
        this.execution = new ResultSetExecution() {

            private int[] results;

            private int index;

            @Override
            public void cancel() throws TranslatorException {
                exec.cancel();
            }

            @Override
            public void close() {
                exec.close();
            }

            @Override
            public void execute() throws TranslatorException {
                exec.execute();
            }

            @Override
            public List<?> next() throws TranslatorException, DataNotAvailableException {
                if (results == null) {
                    results = ((UpdateExecution) exec).getUpdateCounts();
                }
                if (singleUpdateCount) {
                    if (index++ < results[0]) {
                        return CollectionTupleSource.UPDATE_ROW;
                    }
                    return null;
                }
                if (index < results.length) {
                    return Arrays.asList(results[index++]);
                }
                return null;
            }
        };
    }
}

Example 3 with BulkCommand

use of org.teiid.language.BulkCommand in project teiid by teiid.

the class CassandraUpdateExecution method internalExecute.

private void internalExecute() throws TranslatorException {
    if (this.command instanceof BatchedUpdates) {
        handleBatchedUpdates();
        return;
    }
    CassandraSQLVisitor visitor = new CassandraSQLVisitor();
    visitor.translateSQL(this.command);
    String cql = visitor.getTranslatedSQL();
    // $NON-NLS-1$
    LogManager.logDetail(LogConstants.CTX_CONNECTOR, "Source-Query:", cql);
    this.executionContext.logCommand(cql);
    if (this.command instanceof BulkCommand) {
        BulkCommand bc = (BulkCommand) this.command;
        if (bc.getParameterValues() != null) {
            int count = 0;
            List<Object[]> newValues = new ArrayList<Object[]>();
            Iterator<? extends List<?>> values = bc.getParameterValues();
            while (values.hasNext()) {
                Object[] bindValues = values.next().toArray();
                for (int i = 0; i < bindValues.length; i++) {
                    if (bindValues[i] instanceof Blob) {
                        Blob blob = (Blob) bindValues[i];
                        try {
                            if (blob.length() > Integer.MAX_VALUE) {
                                // $NON-NLS-1$
                                throw new AssertionError("Blob is too large");
                            }
                            byte[] bytes = ((Blob) bindValues[i]).getBytes(0, (int) blob.length());
                            bindValues[i] = ByteBuffer.wrap(bytes);
                        } catch (SQLException e) {
                            throw new TranslatorException(e);
                        }
                    } else if (bindValues[i] instanceof BinaryType) {
                        bindValues[i] = ByteBuffer.wrap(((BinaryType) bindValues[i]).getBytesDirect());
                    }
                }
                newValues.add(bindValues);
                count++;
            }
            updateCount = count;
            resultSetFuture = connection.executeBatch(cql, newValues);
            return;
        }
    }
    resultSetFuture = connection.executeQuery(cql);
}