Examples with MySQLOutPutException com.actiontech.dble.plan.common.exception.MySQLOutPutException used on opensource projects

Example 1 with MySQLOutPutException

use of com.actiontech.dble.plan.common.exception.MySQLOutPutException in project dble by actiontech.

the class BaseHandlerBuilder method handleBlockingSubQuery.

protected void handleBlockingSubQuery() {
    if (node.getSubQueries().size() == 0) {
        return;
    }
    final ReentrantLock lock = new ReentrantLock();
    final Condition finishSubQuery = lock.newCondition();
    final AtomicBoolean finished = new AtomicBoolean(false);
    final AtomicInteger subNodes = new AtomicInteger(node.getSubQueries().size());
    final CopyOnWriteArrayList<ErrorPacket> errorPackets = new CopyOnWriteArrayList<>();
    for (ItemSubQuery itemSubQuery : node.getSubQueries()) {
        if (itemSubQuery instanceof ItemSingleRowSubQuery) {
            final SubQueryHandler tempHandler = new SingleRowSubQueryHandler(getSequenceId(), session, (ItemSingleRowSubQuery) itemSubQuery);
            if (isExplain) {
                handleSubQueryForExplain(lock, finishSubQuery, finished, subNodes, itemSubQuery.getPlanNode(), tempHandler);
            } else {
                handleSubQuery(lock, finishSubQuery, finished, subNodes, errorPackets, itemSubQuery.getPlanNode(), tempHandler);
            }
        } else if (itemSubQuery instanceof ItemInSubQuery) {
            final SubQueryHandler tempHandler = new InSubQueryHandler(getSequenceId(), session, (ItemInSubQuery) itemSubQuery);
            if (isExplain) {
                handleSubQueryForExplain(lock, finishSubQuery, finished, subNodes, itemSubQuery.getPlanNode(), tempHandler);
            } else {
                handleSubQuery(lock, finishSubQuery, finished, subNodes, errorPackets, itemSubQuery.getPlanNode(), tempHandler);
            }
        } else if (itemSubQuery instanceof ItemAllAnySubQuery) {
            final SubQueryHandler tempHandler = new AllAnySubQueryHandler(getSequenceId(), session, (ItemAllAnySubQuery) itemSubQuery);
            if (isExplain) {
                handleSubQueryForExplain(lock, finishSubQuery, finished, subNodes, itemSubQuery.getPlanNode(), tempHandler);
            } else {
                handleSubQuery(lock, finishSubQuery, finished, subNodes, errorPackets, itemSubQuery.getPlanNode(), tempHandler);
            }
        }
    }
    lock.lock();
    try {
        while (!finished.get()) {
            finishSubQuery.await();
        }
    } catch (InterruptedException e) {
        LOGGER.info("execute ScalarSubQuery " + e);
        ErrorPacket errorPackage = new ErrorPacket();
        errorPackage.setErrNo(ErrorCode.ER_UNKNOWN_ERROR);
        String errorMsg = e.getMessage() == null ? e.toString() : e.getMessage();
        errorPackage.setMessage(errorMsg.getBytes(StandardCharsets.UTF_8));
        errorPackets.add(errorPackage);
    } finally {
        lock.unlock();
    }
    if (errorPackets.size() > 0) {
        throw new MySQLOutPutException(errorPackets.get(0).getErrNo(), "", new String(errorPackets.get(0).getMessage(), StandardCharsets.UTF_8));
    }
}

Example 2 with MySQLOutPutException

use of com.actiontech.dble.plan.common.exception.MySQLOutPutException in project dble by actiontech.

the class JoinNodeHandlerBuilder method mergeBuild.

@Override
public void mergeBuild() {
    try {
        this.needWhereHandler = false;
        this.canPushDown = !node.existUnPushDownGroup();
        PushDownVisitor pdVisitor = new PushDownVisitor(node, true);
        MergeBuilder mergeBuilder = new MergeBuilder(session, node, needCommon, pdVisitor);
        String sql = null;
        if (node.getAst() != null && node.getParent() == null) {
            // it's root
            pdVisitor.visit();
            sql = pdVisitor.getSql().toString();
        }
        RouteResultsetNode[] rrssArray;
        // maybe some node is view
        if (sql == null) {
            rrssArray = mergeBuilder.construct().getNodes();
        } else {
            rrssArray = mergeBuilder.constructByStatement(sql, node.getAst()).getNodes();
        }
        this.needCommon = mergeBuilder.getNeedCommonFlag();
        buildMergeHandler(node, rrssArray);
    } catch (Exception e) {
        throw new MySQLOutPutException(ErrorCode.ER_QUERYHANDLER, "", "join node mergebuild exception!", e);
    }
}

Example 3 with MySQLOutPutException

use of com.actiontech.dble.plan.common.exception.MySQLOutPutException in project dble by actiontech.

the class ItemField method getMergeNodeColumn.

private Item getMergeNodeColumn(String tmpFieldTable, String tmpFieldName, PlanNode planNode) {
    // select union only found in outerfields
    Item column;
    if (StringUtils.isEmpty(getTableName())) {
        PlanNode firstNode = planNode.getChild();
        boolean found = false;
        for (NamedField coutField : firstNode.getOuterFields().keySet()) {
            if (tmpFieldName.equalsIgnoreCase(coutField.getName())) {
                if (!found) {
                    tmpFieldTable = coutField.getTable();
                    found = true;
                } else {
                    throw new MySQLOutPutException(ErrorCode.ER_BAD_FIELD_ERROR, "(42S22", "Unknown column '" + tmpFieldName + "' in 'order clause'");
                }
            }
        }
        column = planNode.getOuterFields().get(new NamedField(tmpFieldTable, tmpFieldName, null));
    } else {
        throw new MySQLOutPutException(ErrorCode.ER_TABLENAME_NOT_ALLOWED_HERE, "42000", "Table '" + getTableName() + "' from one of the SELECTs cannot be used in global ORDER clause");
    }
    return column;
}

Example 4 with MySQLOutPutException

use of com.actiontech.dble.plan.common.exception.MySQLOutPutException in project dble by actiontech.

the class ItemField method fixFields.

@Override
public Item fixFields(NameResolutionContext context) {
    if (this.isWild())
        return this;
    String tmpFieldTable = null;
    String tmpFieldName = getItemName();
    PlanNode planNode = context.getPlanNode();
    if (context.getPlanNode().type() == PlanNodeType.MERGE) {
        return getMergeNodeColumn(tmpFieldTable, tmpFieldName, planNode);
    }
    Item column = null;
    if (context.isFindInSelect()) {
        // try to find in selectlist
        if (StringUtils.isEmpty(getTableName())) {
            for (NamedField namedField : planNode.getOuterFields().keySet()) {
                if (StringUtils.equalsIgnoreCase(tmpFieldName, namedField.getName())) {
                    if (column == null) {
                        column = planNode.getOuterFields().get(namedField);
                    } else
                        throw new MySQLOutPutException(ErrorCode.ER_OPTIMIZER, "42S22", "duplicate column:" + this);
                }
            }
        } else {
            tmpFieldTable = getTableName();
            column = planNode.getOuterFields().get(new NamedField(tmpFieldTable, tmpFieldName, null));
        }
    }
    if (column != null && context.isSelectFirst()) {
        return column;
    }
    // find from inner fields
    Item columnFromMeta = null;
    if (StringUtils.isEmpty(getTableName())) {
        for (NamedField namedField : planNode.getInnerFields().keySet()) {
            if (StringUtils.equalsIgnoreCase(tmpFieldName, namedField.getName())) {
                if (columnFromMeta == null) {
                    tmpFieldTable = namedField.getTable();
                    NamedField coutField = planNode.getInnerFields().get(new NamedField(tmpFieldTable, tmpFieldName, null));
                    this.tableName = namedField.getTable();
                    getReferTables().clear();
                    this.getReferTables().add(coutField.planNode);
                    columnFromMeta = this;
                } else {
                    if (planNode.type() == PlanNodeType.JOIN) {
                        JoinNode jn = (JoinNode) planNode;
                        if (jn.getUsingFields() != null && jn.getUsingFields().contains(columnFromMeta.getItemName().toLowerCase())) {
                            continue;
                        }
                    }
                    throw new MySQLOutPutException(ErrorCode.ER_OPTIMIZER, "42S22", "duplicate column:" + this);
                }
            }
        }
    } else {
        tmpFieldTable = getTableName();
        NamedField tmpField = new NamedField(tmpFieldTable, tmpFieldName, null);
        if (planNode.getInnerFields().containsKey(tmpField)) {
            NamedField coutField = planNode.getInnerFields().get(tmpField);
            getReferTables().clear();
            getReferTables().add(coutField.planNode);
            this.tableName = tmpField.getTable();
            columnFromMeta = this;
        }
    }
    if (columnFromMeta != null) {
        return columnFromMeta;
    } else if (column == null)
        throw new MySQLOutPutException(ErrorCode.ER_OPTIMIZER, "42S22", "column " + this + " not found");
    else {
        return column;
    }
}

Example 5 with MySQLOutPutException

use of com.actiontech.dble.plan.common.exception.MySQLOutPutException in project dble by actiontech.

the class SubQueryPreProcessor method transformInSubQuery.

private static SubQueryFilter transformInSubQuery(SubQueryFilter qtn, ItemInSubQuery filter, BoolPtr childTransform) {
    Item leftColumn = filter.getLeftOperand();
    PlanNode query = filter.getPlanNode();
    query = findComparisonsSubQueryToJoinNode(query, childTransform);
    QueryNode changeQuery = new QueryNode(query);
    String alias = AUTOALIAS + query.getPureName();
    changeQuery.setAlias(alias);
    if (query.getColumnsSelected().size() != 1)
        throw new MySQLOutPutException(ErrorCode.ER_OPTIMIZER, "", "only support subquery of one column");
    query.setSubQuery(true).setDistinct(true);
    final List<Item> newSelects = qtn.query.getColumnsSelected();
    SubQueryFilter result = new SubQueryFilter();
    Item rightColumn = query.getColumnsSelected().get(0);
    qtn.query.setColumnsSelected(new ArrayList<Item>());
    String rightJoinName = rightColumn.getAlias();
    if (StringUtils.isEmpty(rightJoinName)) {
        if (rightColumn instanceof ItemField) {
            rightJoinName = rightColumn.getItemName();
        } else {
            rightColumn.setAlias(AUTONAME);
            rightJoinName = AUTONAME;
        }
    }
    ItemField rightJoinColumn = new ItemField(null, alias, rightJoinName);
    // rename the left column's table name
    result.query = new JoinNode(qtn.query, changeQuery);
    // leave origin sql to new join node
    result.query.setSql(qtn.query.getSql());
    qtn.query.setSql(null);
    result.query.select(newSelects);
    qtn.query.setSubQuery(false);
    if (!qtn.query.getOrderBys().isEmpty()) {
        List<Order> orderBys = new ArrayList<>();
        orderBys.addAll(qtn.query.getOrderBys());
        result.query.setOrderBys(orderBys);
        qtn.query.getOrderBys().clear();
    }
    if (!qtn.query.getGroupBys().isEmpty()) {
        List<Order> groupBys = new ArrayList<>();
        groupBys.addAll(qtn.query.getGroupBys());
        result.query.setGroupBys(groupBys);
        qtn.query.getGroupBys().clear();
        result.query.having(qtn.query.getHavingFilter());
        qtn.query.having(null);
    }
    if (qtn.query.getLimitFrom() != -1) {
        result.query.setLimitFrom(qtn.query.getLimitFrom());
        qtn.query.setLimitFrom(-1);
    }
    if (qtn.query.getLimitTo() != -1) {
        result.query.setLimitTo(qtn.query.getLimitTo());
        qtn.query.setLimitTo(-1);
    }
    if (filter.isNeg()) {
        ((JoinNode) result.query).setLeftOuterJoin().setNotIn(true);
        ItemFuncEqual joinFilter = FilterUtils.equal(leftColumn, rightJoinColumn);
        ((JoinNode) result.query).addJoinFilter(joinFilter);
        result.filter = null;
    } else {
        Item joinFilter = FilterUtils.equal(leftColumn, rightJoinColumn);
        result.query.query(joinFilter);
        result.filter = joinFilter;
    }
    result.query.setUpFields();
    return result;
}