Examples with IN org.apache.ignite.internal.processors.query.h2.sql.GridSqlOperationType.IN used on opensource projects

Example 46 with IN

use of org.apache.ignite.internal.processors.query.h2.sql.GridSqlOperationType.IN in project ignite by apache.

the class DmlStatementsProcessor method doFastUpdate.

/**
     * Perform single cache operation based on given args.
     * @param args Query parameters.
     * @return 1 if an item was affected, 0 otherwise.
     * @throws IgniteCheckedException if failed.
     */
@SuppressWarnings({ "unchecked", "ConstantConditions" })
private static UpdateResult doFastUpdate(UpdatePlan plan, Object[] args) throws IgniteCheckedException {
    GridCacheContext cctx = plan.tbl.rowDescriptor().context();
    FastUpdateArguments singleUpdate = plan.fastUpdateArgs;
    assert singleUpdate != null;
    boolean valBounded = (singleUpdate.val != FastUpdateArguments.NULL_ARGUMENT);
    if (singleUpdate.newVal != FastUpdateArguments.NULL_ARGUMENT) {
        // Single item UPDATE
        Object key = singleUpdate.key.apply(args);
        Object newVal = singleUpdate.newVal.apply(args);
        if (valBounded) {
            Object val = singleUpdate.val.apply(args);
            return (cctx.cache().replace(key, val, newVal) ? UpdateResult.ONE : UpdateResult.ZERO);
        } else
            return (cctx.cache().replace(key, newVal) ? UpdateResult.ONE : UpdateResult.ZERO);
    } else {
        // Single item DELETE
        Object key = singleUpdate.key.apply(args);
        Object val = singleUpdate.val.apply(args);
        if (// No _val bound in source query
        singleUpdate.val == FastUpdateArguments.NULL_ARGUMENT)
            return cctx.cache().remove(key) ? UpdateResult.ONE : UpdateResult.ZERO;
        else
            return cctx.cache().remove(key, val) ? UpdateResult.ONE : UpdateResult.ZERO;
    }
}

Example 47 with IN

use of org.apache.ignite.internal.processors.query.h2.sql.GridSqlOperationType.IN in project ignite by apache.

the class UpdatePlanBuilder method planForUpdate.

/**
     * Prepare update plan for UPDATE or DELETE.
     *
     * @param stmt UPDATE or DELETE statement.
     * @param errKeysPos index to inject param for re-run keys at. Null if it's not a re-run plan.
     * @return Update plan.
     * @throws IgniteCheckedException if failed.
     */
private static UpdatePlan planForUpdate(GridSqlStatement stmt, @Nullable Integer errKeysPos) throws IgniteCheckedException {
    GridSqlElement target;
    FastUpdateArguments fastUpdate;
    UpdateMode mode;
    if (stmt instanceof GridSqlUpdate) {
        // Let's verify that user is not trying to mess with key's columns directly
        verifyUpdateColumns(stmt);
        GridSqlUpdate update = (GridSqlUpdate) stmt;
        target = update.target();
        fastUpdate = DmlAstUtils.getFastUpdateArgs(update);
        mode = UpdateMode.UPDATE;
    } else if (stmt instanceof GridSqlDelete) {
        GridSqlDelete del = (GridSqlDelete) stmt;
        target = del.from();
        fastUpdate = DmlAstUtils.getFastDeleteArgs(del);
        mode = UpdateMode.DELETE;
    } else
        throw new IgniteSQLException("Unexpected DML operation [cls=" + stmt.getClass().getName() + ']', IgniteQueryErrorCode.UNEXPECTED_OPERATION);
    GridSqlTable tbl = gridTableForElement(target);
    GridH2Table gridTbl = tbl.dataTable();
    GridH2RowDescriptor desc = gridTbl.rowDescriptor();
    if (desc == null)
        throw new IgniteSQLException("Row descriptor undefined for table '" + gridTbl.getName() + "'", IgniteQueryErrorCode.NULL_TABLE_DESCRIPTOR);
    if (fastUpdate != null)
        return UpdatePlan.forFastUpdate(mode, gridTbl, fastUpdate);
    else {
        GridSqlSelect sel;
        if (stmt instanceof GridSqlUpdate) {
            List<GridSqlColumn> updatedCols = ((GridSqlUpdate) stmt).cols();
            int valColIdx = -1;
            String[] colNames = new String[updatedCols.size()];
            int[] colTypes = new int[updatedCols.size()];
            for (int i = 0; i < updatedCols.size(); i++) {
                colNames[i] = updatedCols.get(i).columnName();
                colTypes[i] = updatedCols.get(i).resultType().type();
                Column column = updatedCols.get(i).column();
                if (desc.isValueColumn(column.getColumnId()))
                    valColIdx = i;
            }
            boolean hasNewVal = (valColIdx != -1);
            // Statement updates distinct properties if it does not have _val in updated columns list
            // or if its list of updated columns includes only _val, i.e. is single element.
            boolean hasProps = !hasNewVal || updatedCols.size() > 1;
            // Index of new _val in results of SELECT
            if (hasNewVal)
                valColIdx += 2;
            int newValColIdx = (hasNewVal ? valColIdx : 1);
            KeyValueSupplier newValSupplier = createSupplier(desc.context(), desc.type(), newValColIdx, hasProps, false, true);
            sel = DmlAstUtils.selectForUpdate((GridSqlUpdate) stmt, errKeysPos);
            return UpdatePlan.forUpdate(gridTbl, colNames, colTypes, newValSupplier, valColIdx, sel.getSQL());
        } else {
            sel = DmlAstUtils.selectForDelete((GridSqlDelete) stmt, errKeysPos);
            return UpdatePlan.forDelete(gridTbl, sel.getSQL());
        }
    }
}

Example 48 with IN

use of org.apache.ignite.internal.processors.query.h2.sql.GridSqlOperationType.IN in project ignite by apache.

the class GridReduceQueryExecutor method query.

/**
 * @param schemaName Schema name.
 * @param qry Query.
 * @param keepBinary Keep binary.
 * @param enforceJoinOrder Enforce join order of tables.
 * @param timeoutMillis Timeout in milliseconds.
 * @param cancel Query cancel.
 * @param params Query parameters.
 * @param parts Partitions.
 * @param lazy Lazy execution flag.
 * @return Rows iterator.
 */
public Iterator<List<?>> query(String schemaName, final GridCacheTwoStepQuery qry, boolean keepBinary, boolean enforceJoinOrder, int timeoutMillis, GridQueryCancel cancel, Object[] params, final int[] parts, boolean lazy) {
    if (F.isEmpty(params))
        params = EMPTY_PARAMS;
    final boolean isReplicatedOnly = qry.isReplicatedOnly();
    // Fail if all caches are replicated and explicit partitions are set.
    for (int attempt = 0; ; attempt++) {
        if (attempt != 0) {
            try {
                // Wait for exchange.
                Thread.sleep(attempt * 10);
            } catch (InterruptedException e) {
                Thread.currentThread().interrupt();
                throw new CacheException("Query was interrupted.", e);
            }
        }
        final long qryReqId = qryIdGen.incrementAndGet();
        final ReduceQueryRun r = new ReduceQueryRun(qryReqId, qry.originalSql(), schemaName, h2.connectionForSchema(schemaName), qry.mapQueries().size(), qry.pageSize(), U.currentTimeMillis(), cancel);
        AffinityTopologyVersion topVer = h2.readyTopologyVersion();
        // Check if topology is changed while retrying on locked topology.
        if (h2.serverTopologyChanged(topVer) && ctx.cache().context().lockedTopologyVersion(null) != null) {
            throw new CacheException(new TransactionException("Server topology is changed during query " + "execution inside a transaction. It's recommended to rollback and retry transaction."));
        }
        List<Integer> cacheIds = qry.cacheIds();
        Collection<ClusterNode> nodes;
        // Explicit partition mapping for unstable topology.
        Map<ClusterNode, IntArray> partsMap = null;
        // Explicit partitions mapping for query.
        Map<ClusterNode, IntArray> qryMap = null;
        // Partitions are not supported for queries over all replicated caches.
        if (parts != null) {
            boolean replicatedOnly = true;
            for (Integer cacheId : cacheIds) {
                if (!cacheContext(cacheId).isReplicated()) {
                    replicatedOnly = false;
                    break;
                }
            }
            if (replicatedOnly)
                throw new CacheException("Partitions are not supported for replicated caches");
        }
        if (qry.isLocal())
            nodes = singletonList(ctx.discovery().localNode());
        else {
            NodesForPartitionsResult nodesParts = nodesForPartitions(cacheIds, topVer, parts, isReplicatedOnly);
            nodes = nodesParts.nodes();
            partsMap = nodesParts.partitionsMap();
            qryMap = nodesParts.queryPartitionsMap();
            if (nodes == null)
                // Retry.
                continue;
            assert !nodes.isEmpty();
            if (isReplicatedOnly || qry.explain()) {
                ClusterNode locNode = ctx.discovery().localNode();
                // Always prefer local node if possible.
                if (nodes.contains(locNode))
                    nodes = singletonList(locNode);
                else {
                    // Select random data node to run query on a replicated data or
                    // get EXPLAIN PLAN from a single node.
                    nodes = singletonList(F.rand(nodes));
                }
            }
        }
        int tblIdx = 0;
        final boolean skipMergeTbl = !qry.explain() && qry.skipMergeTable();
        final int segmentsPerIndex = qry.explain() || isReplicatedOnly ? 1 : findFirstPartitioned(cacheIds).config().getQueryParallelism();
        int replicatedQrysCnt = 0;
        final Collection<ClusterNode> finalNodes = nodes;
        for (GridCacheSqlQuery mapQry : qry.mapQueries()) {
            GridMergeIndex idx;
            if (!skipMergeTbl) {
                GridMergeTable tbl;
                try {
                    tbl = createMergeTable(r.connection(), mapQry, qry.explain());
                } catch (IgniteCheckedException e) {
                    throw new IgniteException(e);
                }
                idx = tbl.getMergeIndex();
                fakeTable(r.connection(), tblIdx++).innerTable(tbl);
            } else
                idx = GridMergeIndexUnsorted.createDummy(ctx);
            // If the query has only replicated tables, we have to run it on a single node only.
            if (!mapQry.isPartitioned()) {
                ClusterNode node = F.rand(nodes);
                mapQry.node(node.id());
                replicatedQrysCnt++;
                // Replicated tables can have only 1 segment.
                idx.setSources(singletonList(node), 1);
            } else
                idx.setSources(nodes, segmentsPerIndex);
            idx.setPageSize(r.pageSize());
            r.indexes().add(idx);
        }
        r.latch(new CountDownLatch(isReplicatedOnly ? 1 : (r.indexes().size() - replicatedQrysCnt) * nodes.size() * segmentsPerIndex + replicatedQrysCnt));
        runs.put(qryReqId, r);
        boolean release = true;
        try {
            cancel.checkCancelled();
            if (ctx.clientDisconnected()) {
                throw new CacheException("Query was cancelled, client node disconnected.", new IgniteClientDisconnectedException(ctx.cluster().clientReconnectFuture(), "Client node disconnected."));
            }
            List<GridCacheSqlQuery> mapQrys = qry.mapQueries();
            if (qry.explain()) {
                mapQrys = new ArrayList<>(qry.mapQueries().size());
                for (GridCacheSqlQuery mapQry : qry.mapQueries()) mapQrys.add(new GridCacheSqlQuery("EXPLAIN " + mapQry.query()).parameterIndexes(mapQry.parameterIndexes()));
            }
            final boolean distributedJoins = qry.distributedJoins();
            cancel.set(new Runnable() {

                @Override
                public void run() {
                    send(finalNodes, new GridQueryCancelRequest(qryReqId), null, false);
                }
            });
            boolean retry = false;
            // Always enforce join order on map side to have consistent behavior.
            int flags = GridH2QueryRequest.FLAG_ENFORCE_JOIN_ORDER;
            if (distributedJoins)
                flags |= GridH2QueryRequest.FLAG_DISTRIBUTED_JOINS;
            if (qry.isLocal())
                flags |= GridH2QueryRequest.FLAG_IS_LOCAL;
            if (qry.explain())
                flags |= GridH2QueryRequest.FLAG_EXPLAIN;
            if (isReplicatedOnly)
                flags |= GridH2QueryRequest.FLAG_REPLICATED;
            if (lazy && mapQrys.size() == 1)
                flags |= GridH2QueryRequest.FLAG_LAZY;
            GridH2QueryRequest req = new GridH2QueryRequest().requestId(qryReqId).topologyVersion(topVer).pageSize(r.pageSize()).caches(qry.cacheIds()).tables(distributedJoins ? qry.tables() : null).partitions(convert(partsMap)).queries(mapQrys).parameters(params).flags(flags).timeout(timeoutMillis).schemaName(schemaName);
            if (send(nodes, req, parts == null ? null : new ExplicitPartitionsSpecializer(qryMap), false)) {
                awaitAllReplies(r, nodes, cancel);
                Object state = r.state();
                if (state != null) {
                    if (state instanceof CacheException) {
                        CacheException err = (CacheException) state;
                        if (err.getCause() instanceof IgniteClientDisconnectedException)
                            throw err;
                        if (wasCancelled(err))
                            // Throw correct exception.
                            throw new QueryCancelledException();
                        throw new CacheException("Failed to run map query remotely." + err.getMessage(), err);
                    }
                    if (state instanceof AffinityTopologyVersion) {
                        retry = true;
                        // If remote node asks us to retry then we have outdated full partition map.
                        h2.awaitForReadyTopologyVersion((AffinityTopologyVersion) state);
                    }
                }
            } else
                // Send failed.
                retry = true;
            Iterator<List<?>> resIter = null;
            if (!retry) {
                if (skipMergeTbl) {
                    resIter = new GridMergeIndexIterator(this, finalNodes, r, qryReqId, qry.distributedJoins());
                    release = false;
                } else {
                    cancel.checkCancelled();
                    UUID locNodeId = ctx.localNodeId();
                    H2Utils.setupConnection(r.connection(), false, enforceJoinOrder);
                    GridH2QueryContext.set(new GridH2QueryContext(locNodeId, locNodeId, qryReqId, REDUCE).pageSize(r.pageSize()).distributedJoinMode(OFF));
                    try {
                        if (qry.explain())
                            return explainPlan(r.connection(), qry, params);
                        GridCacheSqlQuery rdc = qry.reduceQuery();
                        ResultSet res = h2.executeSqlQueryWithTimer(r.connection(), rdc.query(), F.asList(rdc.parameters(params)), // The statement will cache some extra thread local objects.
                        false, timeoutMillis, cancel);
                        resIter = new H2FieldsIterator(res);
                    } finally {
                        GridH2QueryContext.clearThreadLocal();
                    }
                }
            }
            if (retry) {
                if (Thread.currentThread().isInterrupted())
                    throw new IgniteInterruptedCheckedException("Query was interrupted.");
                continue;
            }
            return new GridQueryCacheObjectsIterator(resIter, h2.objectContext(), keepBinary);
        } catch (IgniteCheckedException | RuntimeException e) {
            release = true;
            U.closeQuiet(r.connection());
            if (e instanceof CacheException) {
                if (wasCancelled((CacheException) e))
                    throw new CacheException("Failed to run reduce query locally.", new QueryCancelledException());
                throw (CacheException) e;
            }
            Throwable cause = e;
            if (e instanceof IgniteCheckedException) {
                Throwable disconnectedErr = ((IgniteCheckedException) e).getCause(IgniteClientDisconnectedException.class);
                if (disconnectedErr != null)
                    cause = disconnectedErr;
            }
            throw new CacheException("Failed to run reduce query locally.", cause);
        } finally {
            if (release) {
                releaseRemoteResources(finalNodes, r, qryReqId, qry.distributedJoins());
                if (!skipMergeTbl) {
                    for (int i = 0, mapQrys = qry.mapQueries().size(); i < mapQrys; i++) // Drop all merge tables.
                    fakeTable(null, i).innerTable(null);
                }
            }
        }
    }
}

Example 49 with IN

use of org.apache.ignite.internal.processors.query.h2.sql.GridSqlOperationType.IN in project ignite by apache.

the class IgniteH2Indexing method dynamicIndexCreate.

/**
 * {@inheritDoc}
 */
@Override
public void dynamicIndexCreate(final String schemaName, final String tblName, final QueryIndexDescriptorImpl idxDesc, boolean ifNotExists, SchemaIndexCacheVisitor cacheVisitor) throws IgniteCheckedException {
    // Locate table.
    H2Schema schema = schemas.get(schemaName);
    H2TableDescriptor desc = (schema != null ? schema.tableByName(tblName) : null);
    if (desc == null)
        throw new IgniteCheckedException("Table not found in internal H2 database [schemaName=" + schemaName + ", tblName=" + tblName + ']');
    GridH2Table h2Tbl = desc.table();
    // Create index.
    final GridH2IndexBase h2Idx = desc.createUserIndex(idxDesc);
    h2Tbl.proposeUserIndex(h2Idx);
    try {
        // Populate index with existing cache data.
        final GridH2RowDescriptor rowDesc = h2Tbl.rowDescriptor();
        SchemaIndexCacheVisitorClosure clo = new SchemaIndexCacheVisitorClosure() {

            @Override
            public void apply(CacheDataRow row) throws IgniteCheckedException {
                GridH2Row h2Row = rowDesc.createRow(row);
                h2Idx.putx(h2Row);
            }
        };
        cacheVisitor.visit(clo);
        // At this point index is in consistent state, promote it through H2 SQL statement, so that cached
        // prepared statements are re-built.
        String sql = H2Utils.indexCreateSql(desc.fullTableName(), h2Idx, ifNotExists);
        executeSql(schemaName, sql);
    } catch (Exception e) {
        // Rollback and re-throw.
        h2Tbl.rollbackUserIndex(h2Idx.getName());
        throw e;
    }
}

Example 50 with IN

use of org.apache.ignite.internal.processors.query.h2.sql.GridSqlOperationType.IN in project ignite by apache.

the class IgniteH2Indexing method collectCacheIds.

/**
 * Collect cache identifiers from two-step query.
 *
 * @param mainCacheId Id of main cache.
 * @param twoStepQry Two-step query.
 * @return Result.
 */
@Nullable
public List<Integer> collectCacheIds(@Nullable Integer mainCacheId, GridCacheTwoStepQuery twoStepQry) {
    LinkedHashSet<Integer> caches0 = new LinkedHashSet<>();
    int tblCnt = twoStepQry.tablesCount();
    if (mainCacheId != null)
        caches0.add(mainCacheId);
    if (tblCnt > 0) {
        for (QueryTable tblKey : twoStepQry.tables()) {
            GridH2Table tbl = dataTable(tblKey);
            int cacheId = tbl.cacheId();
            caches0.add(cacheId);
        }
    }
    if (caches0.isEmpty())
        return null;
    else {
        // Prohibit usage indices with different numbers of segments in same query.
        List<Integer> cacheIds = new ArrayList<>(caches0);
        checkCacheIndexSegmentation(cacheIds);
        return cacheIds;
    }
}